The Al-811 gives you 600 watts PEP output thats nearly 2 full S-units over your barefoot rig. Use of 572. Only the Ameritron AL-811H gives you four fully neutralized 811A transmitting tubes. Amplifier in original packaging with binder manual. Grid Overload Protection protects the tubes from excessive grid current due to mistuning and it protects against excessive drive power. Jun 9, 2005. These kits include all the parts to bring your Ameritron AL811 and AL811H amplifier up to date. Now you wont have to stand aside while the big guns steal your DX. The modern components are rated to deliver reliable, effective HF communications power levels if operated within their specifications. ), but there are definitely &39;catches&39; with that The simplest &39;mod&39; is to change the primary voltage on the transformer to produce more secondary voltages. Ameritron AL-811H In Action - YouTube www. The AL-811 gives you 600 watts PEP output -- that's nearly 2 full S-units over your barefoot rig. and no one will ever know the difference. I upgraded to a bigger amp. AL-811HD gives you 800 Watts output in SSB. Les meilleures offres pour Amplificateur linaire Ameritron AL-811 HF avec 10 mtres 80-10 sont sur eBay Comparez les prix et les spcificits des produits neufs et d &x27;occasion Pleins d &x27;articles en livraison gratuite. Looking for the Ameritron AL-811HDY, HF AMP, 800W, (4)572B, EXPORT, W10M, 110VAC to buy online MFJ Enterprises Inc Sales offers you more than more varieties. But after a little while it would start dropping off on power so I let it sit on stand by for several days and everytime I checked it. Now you wont have to stand aside while the big guns steal your DX. to do this key the amplifier with no carrier or RF input. Ameritrons exclusive ParasiticKiller effectively suppresses all parasitic oscillations. Ameritron AL-811H 160 - 15 M Amplifier 800 Watts PEP Orig Box (Parts www. to do this key the amplifier with no carrier or RF input. Others, using potentially damaging horizontal mounting, require hard-to-find 572B tubes to retard harmful. This Dust Cover is custom made for the Ameritron AL-811 or AL-811H. At a price of US300 higher than the AL. So, 800 watts PEP is available from this amp with three 572B tubes. MSRP 899. Ameritron AL 811. Link to Instructions AL811 and AL811H Upgrade Kit Manual (Rev2) These kits include all the parts to bring your Ameritron AL811 and AL811H amplifier up to date. The tubes safely dissipate about 60-watts per tube average anode heat, while filament and other power losses amount to about 120 watts in the AL811H and 95 watts in the AL811. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. "> accident in. Quantity Sold individually. 5 ufd of total capacitance (four 210 ufd, 470 V capacitors) produces 1,500 V under full load and 1,700 V no load. net>; <Ampscontesting. Grid Overload Protection protects the tubes from excessive grid current due to mis- tuning and it protects against excessive drive power. But after a little while it would start dropping off on power so I let it sit on stand by for several days and everytime I checked it. Not a huge difference in output, but definitely measurable using a typical watt meter (not the ears on the other end). A magnifying glass. Current Stock Status At These Ham Radio Outlet Locations This item is ordered directly from the factory. Related Searches · ameritron al-811h · linear amplifier · ameritron amplifier · ameritron al-811 amplifier · 572b tube . This greatly extends the life of your amplifier components and tubes. It sells for 1600 new plus it was upgraded to the 572b tubes which cost an . At a price of US300 higher than the AL. Ameritrons new class of Near Legal Limit Amplifiers give you nearly full legal SSB power output for 65 of the price of a full legal limit amplifier. The Ameritron AL-572 is a 1000 watt CW, 1300 watt PEP (nominal output power) linear. Amplifier Weight 32. wj; kv. I would limit to 700 watts CW and 500 watts RTTY with 572B tubes. 811A tubes. AMERITRON mounts the 572B tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. I will take out of box and post more pictures thanks JERRY HOMEBASE HAMSHELF red. 5 through 22. Ameritron HF Power Amplifiers. Mar 21, 2016. 1800 volts is probably the minimum you would want to run them at, they run better at around 2500. cm ef pu pu. The AWM-30 Ameritron is a very good peak reading meter, as are meters in Ameritron tuners. 95 each i dont have a ameritron 811h amp yet but am looking for a good pair for extras when i get the amp next year. "> accident in. Ameritron Al-572 Hf Ham Radio Amplifier For Parts Or Restoration Sn 11658 hamradioamplifier. The Ameritron AL-811HDXCE gives you the AL-811H with four 572B tubes installed. It has not been 110V and 220V since before WWII. Reviews 185. So, 800 watts PEP is available from this amp with three 572B tubes. Buy using the 572B&39;s, which are rated at far higher voltage, the 572B&39;s are loafing along, and running hard with RTTY or other high dwell time modes (SSB is easy) you are not straining the tubes. The AL-811H is rated at 800-watts PEP voice on a good peak reading meter. Notes US 120 V model. 41K views 4 years ago. Ameritron AL-811HD amplifiers, with four rugged 572B tubes, give you 800 watts PEP output for that extra punch needed when 100 watt transceivers just aren&39;t enough to be heard. Opmerking Alle door ClassicInternational geleverde Ameritron lineairs zijn. It is ready for use. The three tube AL-811 seems to be fading away; no neutralization and a number of other lacking features may make it worth while to spend more on the 4 tube model, which has the essentials. AL-811HD gives you 800 Watts output in SSB. here is the listing in the american milspec page. The three tube AL-811 seems to be fading away; no neutralization and a number of other lacking features may make it worth while to spend more on the 4 tube model, which has the essentials. Get the AL-811HD with 572B tubes AL-811HD gives you the AL-811H with four 572B tubes installed. 50 Watts in equals 550-600 out. Part Number AL-572XCE. The ALS-600 provides continuous frequency coverage from 1. While you should NOT run more output, duty cycle can be greatly increased without hurting tube life. It lets you select from 14 primary voltages centered on 115 and 230 VAC. About Ameritron AL-811H tube selection The resource is currently listed in dxzone. Ameritron AL-811H 160 - 15 M Amplifier 800 Watts PEP Orig Box (Parts www. Reviews 185. Update 10112008 - AL-811HD. amplifier that operates on all Amateur bands from 160 through 15 meters (WARC bands and. Ameritron AL-811 Variants; 600 W output (3 x 811A tubes) 800 W output (4 x 811A tubes) 800W output (4 x 572B tubes) US 120V AL-811 AL-811H AL-811HD Export 220240V. The AL-811 is rated at 600-watts PEP voice, or just over 400-watts carrier in normal CW modes. QSK Compatible. 4 811A tubes. Four 572B tubes gives you more plate dissipation than a single 3-500Z tube. AL811 Changes. AMERITRON mounts the 572B tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. Quantity Sold individually. Content owned and managed by Food, Civil Supplies & Consumer Affairs Department. One thought on AL-811 10 meter mod . ZU VERKAUFEN AMERITRON AL-811 LINEAR AMPLIFIER. 811A's run quite hot in comparison to 572B's but I'm not altogether sold on all the hype either. Ameritron al-811 160 15 meter ham amplifier 600 watts pep with 3x 811as. com> Sent Wednesday, April 09, 2008 1058 PM Subject Re Amps Replacing 811A with 572B > >> The AL-811H runs about 1600-1800 volts HV, not 1400, which is >> why it's not a bad idea to run the 572Bs in that amp. amplifier that operates on all Amateur bands from 160 through 15 meters (WARC bands and. That aside, the amp works well and is putting out 425-450 watts (depending on the band) when keyed down with 50 watts in CW mode. Get a higher power tank circuit and grid overload protection. AL-811HD gives you the AL-811H with four 572B tubes installed. Works great I was told when I bought it the 10 meter mod had been done. Works great I was told when I bought it the 10 meter mod had been done. Ameritron AL811H converted to AL811HD with 4 x 572B tubes. AL-811 Part Type Amplifiers Product Line Ameritron HF Power Amplifiers DXE Part Number AME-AL-811 UPC 650619013825 Line Cord NEMA Plug 120 Vac, 5-15P Amplifier Type Tube Amplifier Band Coverage 160-15 meters Amplifier Power Output PEP 600 watts Amplifier Input Power 100 watts Amplifier Supply Voltage 120 Vac Maximum Line Current 8 A. AL-811HD gives you 800 Watts output in SSB and 600 Watts for continuous duty in CW, RTTY, SSTVand AM. It has not been 115230 since the 1960&x27;s. The AL-80BX and AL-80BY are export models that operate from 160 through 10 meters. If you can afford the model that comes with 572&x27;s get it. I currently run a tube type amp and would like to switch to a solid state no tune auto band switching amp. This includes the AL572 and AL800 series. A full wave bridge using 52. The AL-811 is rated at 600-watts PEP voice, or just over 400-watts carrier in normal CW modes. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. Breakage or abuse failures are excluded. Get a higher power tank circuit AND grid overload protection. 00 local pick-up. Ameritron HF Power Amplifiers. Ameritron AL-811HD amplifiers, with four rugged 572B tubes, give you 800 watts PEP output for that extra punch needed when 100 watt transceivers just aren&39;t enough to be heard. In some cases it may be drop shipped directly to you. Ameritron al811 with 572b. The AL-. Grid Overload Protection protects the tubes from excessive grid current due to mistuning and it protects against excessive drive power. A chap I know had an Al-811 and it was not very good at all, he did the same and was more than happy. Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. Correct minimum airflow is about 18-20 cfm on normal SSB and CW with three 811A tubes (25 less power), and 25-28 cfm on higher duty cycle modes for four 811A. The three tube AL-811 seems to be fading away; no neutralization and a number of other lacking features may make it worth while to spend more on the 4 tube model, which has the essentials. The tubes safely dissipate about 60-watts per tube average anode heat, while filament and other power losses amount to about 120 watts in the AL811H and 95 watts in the AL811. The first 600 watts make the difference. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. 85 EACH. Amplifier Weight 32. It has not been 110V and 220V since before WWII. Ameritron al-811 160 15 meter ham amplifier 600 watts pep with 3x 811as. Correct minimum. It indicates, "Click to perform a search". 95 Order Now Description Ameritrons new class of Near Legal Limit Amplifiers give you nearly full legal SSB power output for 65 of the price of a full legal limit amplifier. ZU VERKAUFEN AMERITRON AL-811 LINEAR AMPLIFIER. AL-811HD gives you 800. power transformer as the 800 watt PEP output rated AL-811H. If you operate SSB and have a reasonably good power line, you will see no improvement going to 240V on any amplifier shipped as 120V. AL-811HD gives you 800 Watts output in SSB and 600 Watts for continuous duty in CW, RTTY, SSTVand AM operation. 67 . Since the 811A is rated for plate modulated AM at 1250V there is way more than enough insulation reserve at 1800V on SSB voice peaks. Amplifier Depth 15. The main category is Ameritron AL-811 and AL-811H HF Amateur Radio RF power amplifier that is about Ameritron AL-811 and AL-811H resources. With the 572B tubes, the amp now puts out around 750 watts. The difference in power supply voltages on. Grid Overload Protection. Ameritron 811 repair with 4 572 tubes 18,276 views Feb 26, 2016 117 Dislike Share Dropmaul99 3. Ameritron AL-572 Linear Amplifiers represent a new class of near legal limit amplifiers. Product is in production. PLATE VOLTAGE This modification raised the measured idle plate voltage on my AL-811 from 1688 VDC to 1864 VDC. Youll typically get 1300 Watts PEP SSB, 1000 Watts CW continuous, 1000 Watts 12 hour. 5 ufd of total capacitance (four 210 ufd, 470 volt capacitors) produces 1500 volts under. Works great. Ameritron&39;s Al-811 linear amplifier gives you plenty of power to bust through QRM. Long Tube Life The 811A tubes are long life, reliable transmitting tubes. MSRP 899. Works great I was told when I bought it the 10 meter mod had been done. ld; jy. Nov 17, 2014 The AL-572 uses four rugged fully neutralized tubes. AL-811 Part Type Amplifiers Product Line Ameritron HF Power Amplifiers DXE Part Number AME-AL-811 UPC 650619013825 Line Cord NEMA Plug 120 Vac, 5-15P Amplifier Type Tube Amplifier Band Coverage 160-15 meters Amplifier Power Output PEP 600 watts Amplifier Input Power 100 watts Amplifier Supply Voltage 120 Vac Maximum Line Current 8 A. But it is still a good amp. Works great. With the original 811 tubes in the amp, it usually put out around 650 watts. Reviews 185. Fast Warm Up Time The 811A tubes take approximately 3 seconds to warm-up. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. The AL-811HD gives you the AL-811H but with four 572B tubes installed. Ameritron Company Features Parts Type 380-0500GT, AL-80B and AL-82 Amplifier Ameritron 319. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. ameritron 811h al works. Ameritron HF Power Amplifiers. AMERITRON ALS-1300 is a solid state near legal limit (tm) FET no-tune Amplifier. Jun 9, 2005. 350 ". Ameritron AL-811 Ham Radio Amp - 425 (Blytheville) AL-811 with 3 spare tubes and the ARB-704 interface. Each tube has a heavy duty Graphite Anode, low loss which Ceramic Base, superior Titanium Getter and legendary quality. Ameritron HF Power Amplifiers. Description. Each tube has a heavy duty Graphite Anode, low loss which Ceramic Base, superior Titanium Getter and legendary quality. The AL-811 is rated at 600-watts PEP voice, or. I ordered 572B tubes to replace the 811&39;s originally supplied with the amp. My 811HD needed new set of tubes, 572B&39;s. I bought the amp used and have only used it a few times. Ameritron AL-811H 160 - 15 M Amplifier 800 Watts PEP Orig Box (Parts www. ameritron amplifier 572b cetron tubes extra al. Amplifier, Four 572B Tubes, 1,300 W Output PEP, 160-15 meters, 120 Vac, 16 A Max. Find helpful customer reviews and review ratings for Ameritron AL-811 600W HF Amplifier at Amazon. Tubes replacement, resistor changes. Ameritron 104. Ameritron 811 repair with 4 572 tubes 18,276 views Feb 26, 2016 117 Dislike Share Dropmaul99 3. AL 811 AMERITRON User Manual usermanual. Companies are hesitant to disclose the tube source because they&39;re all coming from the same garbage manufacturer in China. do NOT contact me with unsolicited services or offers. Ameritron AL-811H 160 - 15 M Amplifier 800 Watts PEP Orig Box (Parts www. ameritron al-811 800w HF amplifier with 3 factory tubes - tubes are new and in original packaging (usual cost 49. They cost more but are worth it for high duty cycle use. Ameritron 811 repair with 4 572 tubes 18,276 views Feb 26, 2016 117 Dislike Share Dropmaul99 3. AMERITRON AL-811 with 572b. "> accident in. Product is in production. Continue Shopping Grid Overload Protection. AMERITRON AL-811 with 572b. Each tube has a heavy duty Graphite Anode, low loss which Ceramic Base, superior Titanium Getter and legendary quality. Nov 17, 2014 Ameritrons Multi-Voltage Power Transformer has a unique buck-boost winding. AMERITRON mounts the 572B tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. Ameritron AL-811 Ham Radio Amp - 425 (Blytheville) AL-811 with 3 spare tubes and the ARB-704 interface. com> To <n9aaarrl. The 572b tubes are a very durable transmitting tube. The transformer in each amplifier has HV winding taps that provide 13, 23, and full voltage. 572B tubes produce 800 watts PEP output with about 80 watts drive. Nov 17, 2014 Ameritrons Multi-Voltage Power Transformer has a unique buck-boost winding. pl,Cetron 811A Tubes NIB 33,000Pair - WEC5 Picture Items,CETRON 811A 1 PAIR NEW - www. Ameritron AL-811H tube selection - This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes. HF POWER LINEAR AMPLIFIER PLEASE READ THIS MANUAL BEFORE OPERATING THIS EQUIPMENT The Ameritron AL-811HD is an economical 800 watt PEP output linear amplifier that operates reliably from 160 through15 meters. Ameritron AL811 - Testing Cetron 572B tubes 7,601 views Apr 12, 2020 122 Dislike Share vk3mh 531 subscribers Ameritron AL811 - I recently installed a set of 3 Cetron 572B tubes into my amp. Update 10112008 - AL-811HD. Check your idling current on the plates. Grid Overload Protection. AL-811HD gives you the AL-811H with four 572B tubes installed. I have in excellent condition the Ameritron AL-811H amplifier. AL-811HD gives you 800 Watts output in SSB and 600 Watts for continuous duty in CW, RTTY, SSTVand AM operation. Everything after that date, skipped the six pieces of metal, bent to form horizontal radiators on the anode while also preventing them from deforming. Ball bearing vernier reduction drives on plate and load controls make tuning precise and easy. You can match your AL-572 to your AC line voltage so youll get peak performance and long component life regardless of your line voltage. And the tubes are so inexpensive that you can replace one for mere pocket change. Nov 02, 2022 File Name ameritron-al-811-user-manual. Ameritrons exclusive ParasiticKiller effectively suppresses all parasitic oscillations. Log In My Account uv. ameritron al-811 800w HF amplifier with 3 factory tubes - tubes are new and in original packaging (usual cost 49. AMERITRON mounts the 572B tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. Read honest and unbiased product reviews from our . Plate voltage under load at 900W PEP into 50 ohms is. Grid Overload Protection protects the tubes from excessive grid current due to mistuning and it protects against excessive drive power. Ameritron AL-800 Amplifier Service And User Manual www. Features four 572B tubes. to do this key the amplifier with no carrier or RF input. Ameritron AL-811HD amplifiers, with four rugged 572B tubes, give you 800 watts PEP output for that extra punch needed when 100 watt transceivers just aren&39;t enough to be heard. user manual al ameritron wiki pdf navigation menu. You get absolute stability and superb performance on higher bands that . raytheon clipperton dentron 572b. hi; ce. com Safe delivery to your doorstep, all deliveries guaranteed. ld; jy. Since the 811A is rated for plate modulated AM at 1250V there is way more than enough insulation reserve at 1800V on SSB voice peaks. Quantity Sold individually. Here I show the repair of a Ameritron Al-811Enjoy. The cost of using the amp is a good value and an easy upgrade to 572B&x27;s is easy. Since writing this article in March 2008, Ameritron have advertised a new product, the AL-811HD which is an AL-811 fitted with 4 x 572B and rated at 800W. Plate voltage under load at 900W PEP into 50 ohms is. Part Number AME-AL-572. Works great. The AWM-30 Ameritron is a very good peak reading meter, as are meters in Ameritron tuners. wrestling practice plans pdf, regionsonepass
PiPi-L Output Network The AL-572 PiPi-L output network gives you exceptionally smooth tuning, wide matching range, full band coverage and peak performance at all power levels. . Ameritron al811 with 572b
Front View Ameritron 811H. The Ameritron advantage Extra heavy duty power supply gives you peak performance year after year The heart of the AL-811 power supply is its heavy duty power transformer with high silicon steel core weighing a hefty 17 pounds. AMERITRON AL-811 with 572b. Four rugged 572B tubes give you near legal limit power and instant 3 second warm-up time. Power line voltage jumpers in AL80B mainframe. The main category is Ameritron AL-811 and AL-811H HF Amateur Radio RF power. Ameritron AL-572 Linear Amplifiers represent a new class of near legal limit. 85 EACH. Tune the amp up properly and then run whatever drive level you need to see about 100 watts carrier out of the amp and cross your fingers until you replace the tubes. The AL-811 is rated at 600-watts PEP voice, or. ameritron al-811 800w HF amplifier with 3 factory tubes - tubes are new and in original packaging (usual cost 49. I have a ham buddy that runs an AL-811H off the 120 volt line and has no problems other than a very slight flicker of the ceiling light on voice peaks. We also sell quality 572B, 811A, and 3-500 tubes and almost any other RF parts you might need. Ameritron Manufacturer&39;s Part Number AL-811 Part Type Amplifiers Product Line Ameritron HF Power Amplifiers DXE Part Number AME-AL-811 UPC 650619013825 Line Cord NEMA Plug 120 Vac, 5-15P Amplifier Type Tube Amplifier Band Coverage 160-15 meters Amplifier Power Output PEP 600 watts Amplifier Input Power 100 watts Amplifier Supply Voltage. Since writing this article in March 2008, Ameritron have advertised a new product, the AL-811HD which is an AL-811 fitted with 4 x 572B and rated at 800W. 1800 volts is probably the minimum you would want to run them at, they run better at around 2500. Current Stock Status At These Ham Radio Outlet Locations This item is ordered directly from the factory. 5 out of 5 stars. 811A's run quite hot in comparison to 572B's but I'm not altogether sold on all the hype either. The AL-811 is rated at 600-watts PEP voice, or just over 400-watts carrier in normal CW modes. The design was long before FT8, and never intended for AM use. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. Amplificador Lineal Ameritron AL-811 450 Gijn (Asturias) Detalles estado del producto en buen estado Descripcin Ref 469203834 Equipado con tres lmparas 572B nuevas solo usadas para probar el equipo (menos de una hora). > > If the AL-811A plate voltage runs. Power line voltage in the USA is 120 or 240 nominal. Your preferences will apply to this website only. 95 380-0572b, For use with the AL-572 series of amplifiers from Ameritron. All in all the AL-811 is a good amplifier for the money. ameritron readable electronic. you have to be very mean to them to make them go south. Only the AMERITRON AL-811HD gives you four fully neutralized 572B transmitting tubes. 1800 volts is probably the minimum you would want to run them at, they run better at around 2500. Companies are hesitant to disclose the tube source because they&39;re all coming from the same garbage manufacturer in China. Ball bearing vernier reduction drives on plate and load controls make tuning precise and easy. You can also use 572B tubes in place of 811A&39;s. > > I assumed one would want to drive the AL-811H, after retubing, to it's > full 800 watts, so how could 3 572B's still deliver that output if they > can't do it in the AL-811. Ameritron al811 with 572b. Manual 144801342606. Works great. The first 600 watts make the difference. com Safe delivery to your doorstep, all deliveries guaranteed. The Ameritron AL-811HDXCE gives you the AL-811H with four 572B tubes installed. He runs about 700 watts pep out and has done so for several years on the original tubes. Ball bearing vernier reduction drives on plate and load controls make tuning precise and easy. AL-811 Part Type Amplifiers Product Line Ameritron HF Power Amplifiers DXE Part Number AME-AL-811 UPC 650619013825 Line Cord NEMA Plug 120 Vac, 5-15P Amplifier Type Tube Amplifier Band Coverage 160-15 meters Amplifier Power Output PEP 600 watts Amplifier Input Power 100 watts Amplifier Supply Voltage 120 Vac Maximum Line Current 8 A. 572B tube for sale Good soldering 100 inspected Properly installed anode connectors Warranty 1 year from date of sale against gas, shorts, and emission loss when operated within manufacturers specifications. Ameritron AL-800 Amplifier Service And User Manual www. to do this key the amplifier with no carrier or RF input. AL-811HD gives you the AL-811H with four 572B tubes installed. AMERITRON ALS-1300 is a solid state near legal limit (tm) FET no-tune Amplifier. Ameritron Al-572 Hf Ham Radio Amplifier For Parts Or Restoration Sn 11658 hamradioamplifier. wj; kv. Ameritron 811 repair with 4 572 tubes 18,276 views Feb 26, 2016 117 Dislike Share Dropmaul99 3. AL-811HD gives you 800 Watts output in SSB. Ameritron HF Power Amplifiers Ameritron AL-811HD amplifiers, with four rugged 572B tubes, give you 800 watts PEP output for that extra punch needed when 100 watt transceivers just aren&39;t enough to be heard. post id 7554003914. If you operate SSB and have a reasonably good power line, you will see no improvement going to 240V on any amplifier shipped as 120V. "> accident in. Ameritron AL-811 Panel Meter Lights - A solutiom for the Ameritron AL-811 (H) RF power amplifier, burnt panel meter lights. 5 out of 5 stars. Features four 572B tubes. In fact, before she started Sylvia's Soul Plates in April, Walters was best known for fronting the local blues band Sylvia Walters and Groove City. These whisper-quiet desktop linear amplifiers plug into your nearest 120 Vac outlet, so no special wiring is needed. The AL-811H is rated at 800-watts PEP voice on a good peak reading meter. AL811 Changes. Ameritron HF Power Amplifiers. Find many great new & used options and get the best deals for Ameritron AL-811H HF Amplifier 800 Watts at the best online prices at eBay Free shipping for many products. Includes box, manual and all it came with. PLATE VOLTAGE This modification raised the measured idle plate voltage on my AL-811 from 1688 VDC to 1864 VDC. 00 93. and no one will ever know the. It operates in class AB2 for SSB and CW. Les meilleures offres pour Amplificateur linaire Ameritron AL-811 HF avec 10 mtres 80-10 sont sur eBay Comparez les prix et les spcificits des produits neufs et d &x27;occasion Pleins d &x27;articles en livraison gratuite. The AL-572 uses four 572B tubes in a class AB2 grounded grid circuit. AMERITRON AL-811 with 572b. Each tube has a heavy duty Graphite Anode, low loss which Ceramic Base, superior Titanium Getter and legendary quality. Ameritron ALS 600 Links category is a curation of 10 web resources on , Ameritron. Ameritron AL811H converted to AL811HD with 4 x 572B tubes. Power line voltage jumpers in AL80B mainframe. Log In My Account qz. In fact, before she started Sylvia's Soul Plates in April, Walters was best known for fronting the local blues band Sylvia Walters and Groove City. AMERITRON AL-811 with 572b. tufted blanket paccar px6 engine life. Hits 1339 Votes 3 Rating 9. If you operate SSB and have a reasonably good power line, you will see no improvement going to 240V on any amplifier shipped as 120V. And while we&39;re on that topic; since the power supply of the AL-811 is the same as that of the AL-811H (isn&39;t it), and a trio of 572B&39;s can easily handle the plate dissipation that goes along with pumping out 800 watts PEP, shouldn&39;t it be possible to safely crank the 3-hole AL-811 up to 800 watts PEP output, the same limit as its 4-hole AL. Ameritron AL-811HD amplifiers, with four rugged 572B tubes, give you 800 watts PEP output for that extra punch needed when 100 watt transceivers just aren&39;t enough to be heard. Works great. There are regular discussions on forums about whether the 811A tubes can be better replaced by the more robust type 572B. Ameritron AL-800 Amplifier Service And User Manual www. Youll typically get 1300 Watts PEP SSB, 1000 Watts CW continuous, 1000 Watts 12 hour. Power line voltage in the USA is 120 or 240 nominal. 14,339 views Aug 4, 2011 AMERITRON AL-811 with 572b 14 Dislike Share ON8BAK 6 subscribers Comments 5 Add a comment. You get absolute stability and superb performance on higher bands that cant be matched by un-neutralized tubes. Amplificador Lineal Ameritron AL-811 450 Gijn (Asturias) Detalles estado del producto en buen estado Descripcin Ref 469203834 Equipado con tres lmparas 572B nuevas solo usadas para probar el equipo (menos de una hora). Amplifier Depth 15. My 811HD needed new set of tubes, 572B's. Get a higher power tank circuit and grid overload protection. Four 572B tubes give you more plate dissipation than a single 3-500Z tube. Upgraded the 811A tubes in my AL-811 Amplifier to 572B tubes. You can match your AL-572 to your AC line voltage so youll get peak performance and long component life regardless of your line voltage. Looking for the Ameritron AL-811HDY, HF AMP, 800W, (4)572B, EXPORT, W10M, 110VAC to buy online MFJ Enterprises Inc Sales offers you more than more varieties. These kits include all the parts to bring your Ameritron AL811 and AL811H amplifier up to date. "> bee swarm simulator guide 2021. But 811A&x27;s in either the 811 or the 811H, are run at the ragged edge of their capability. 572B Shuguang Low cost Heavy Duty replacements for original 811A tubes. hf 572b amplifier amp ham ameritron linear radio gear al. Log In My Account zb. REPLACEMENT FAN, IF YOURS IS NOISY 410-3583 ABOUT 18. Ameritrons Multi-Voltage Power Transformer has a unique buck-boost winding. Grid Overload Protection protects the tubes from excessive grid current due to mistuning and it protects against excessive drive power. AL-811HD gives you 800 Watts output in SSB. And the tubes are so inexpensive that you can replace one for mere pocket change. Ameritron AL-572 Linear Amplifiers represent a new class of near legal limit amplifiers. The AL-811H amp is rated for 800 watts PEP output with either 811A or 572B tubes installed, but I think that number is a little high myself. Ameritron Al-811 600w Hf Linear Amplifier (be Sure To Read The Description. Gettering tubes 3-500Z, 572B, and similar AL572B AL80B Home Up When I designed the AL80B and AL572 amplifiers, I included a high voltage reduction provision. Ameritron AL811H converted to AL811HD with 4 x 572B tubes. AMERITRON mounts the 572B tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. Grid Overload Protection protects the tubes from excessive grid current due to mis- tuning and it protects against excessive drive power. Amplifier Weight 32. Everything after that date, skipped the six pieces of metal, bent to form horizontal radiators on the anode while also preventing them from deforming. These ratings are ICAS with a reasonable conversational duty cycle. PLATE VOLTAGE This modification raised the measured idle plate voltage on my AL-811 from 1688 VDC to 1864 VDC. Correct minimum airflow is about 18-20 cfm on normal SSB and CW with three 811A tubes (25 less power), and 25-28 cfm on higher duty cycle modes for four 811A. . craigslist for syracuse new york