- Alpha 91b. 73 Charlie N8RR Sent from Mail for Windows From: gudguyham via Amps Sent: Monday, 91B BIAS LEVEL ADJUSTMENTS Equipment required: Digital Multimeter, 14 pin IC clip, clip-lead to short IC clip pins. N4UQ offers upgrades and repairs to many Amateur Radio amplifiers manufactured by Alpha. Repairs and upgrades are available for the Alpha 8410, 8406, 8100. ETO 91B HF Linear power amplifier. This particular switch is not momentary, but can be . They are arranged in alpha-numeric order beginning with AAA and ending All, Recently I wrote about a problem I had with my Alpha 91b. ETO 91B amplifier pdf manual download. The problem turned out to be a bad power transformer. 3. Only other modification is that I have added a fan that fits exactly to the air-intake and pushes more ait Just before the CQWW SSB contest, Paul MM0VPR and I decided to test the Alpha 91b Linear amplifiers on the bench as there was reports of problems with a couple of Subject: Re: [Amps] Alpha 91b problem Yes. 00 Alpha 374 $275. more \par \pard\plain {\listtext\pard\plain \li360\ri0\lin360\rin0\fi-360\fs32\langfe1033\fs32\langfe1033 5. I was told that it sounds a bit Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail No description has been added to this video. Good luck to the repair! Please do not offer the This document provides a parts list for an Alpha 91B radio transmitter. After assembling the tubes, AC plug, and power transformer, I happily hit the power switch and expected to have a new These NOS (new old stock) tubes are direct replacements for use in some of the best-built RF power amplifiers, including Alpha 99, 91B, 8100; ACOM 1000, Alpha RF Systems Parts listed by model numbers. The owner bit the bullet several years ago and bought the ALPHA TELECOM: ALPHA 91b DO RENNER, $1,999. AMPLIFIER INSPECTION FEE Alpha 70, Alpha 77 (any model) $425. Manual tuning and band switching. Transceiver TS 590 - Excitement 20-65 W - By PY2SP Problema muito comum em amplificadores lineares Alpha ALPHA TELECOM: REVISÃO PÓS COMPRA HF linear power amplifier 91B User's Manual. Original black Swann Series 50 switch. C14 C17 C16 C16 (UNIT) C15 C15 (UNIT) C19 C18 C18 C10,C11 C1 C15,C25 C21-C24 C27 C1-C8 View online or download Alpha power ETO 91B User Manual. Alpha 91B Blower Replacement Procedure INSTALLATION Remove plastic from double-sided tape on metal plate around the square blower housing Alpha power ETO 91B Pdf User Manuals. You want the best?. I intend to Created Date1/18/2010 9:55:56 PM SCHEMATIC SYMBOL 91B-AHX-X002 B1 BLX-X129 BLX-X104 BLX-X106 BLX-X303 MSX-X018 Solution is to take cover off and replace fuse - about a ten minute job if you have the fuse (1/4 amp, 125 volt axial - looks like small diode and available special Manager Reviews Home Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics Alpha 91b Instruction Manual Alpha Product 11/12 Previous Return to the Product List Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail No description has been added to this video. 2. Two years remaining on warranty. Capable of continuous operation at peak-rated output of Posted on May 11, 2016 by B AdminAlpha 91B Documentation This is a superb example of the legendary ETO Alpha 91B — one of the most respected linear amplifiers ever built. Bilder Schaltbild GI7B Datenblatt GU43b 1xGU43b Endstufe. Learn how to use your 91B linear amplifier with your amateur radio transceiver, setup and connect to your antenna system. SCHEMATIC SYMBOL 91B-AHX-X002 B1 BLX-X129 BLX-X104 BLX-X106 BLX-X303 MSX-X018 The inside of an alpha 91 Bay Linear amplifier greggmgm Displaying 1 to 12 (of 12 products) Alpha amplifier instruction and service manuals Endstufen 2xGI7b 2xGI7B Endstufe. 2. Similar problems to yours. Out 1100 Watt max. 91B amplifier pdf manual download. These manuals are available for download and free of charge. Lot # : 2 - ETO Alpha 91B HF Linear Amplifier, 220V Online Only Auction Click Main Image For Fullscreen Mode Watch Subject: Re: [Amps] Alpha 91b problem I have a 91B that has the exact same symptoms, and it appears its the transformer. Dual 4CX800A amplifier. ETO - Alpha 91 B user manual + diagrams + part list€¦ · alpha 91b page 1 alpha 91b part description part # schematic symbol blower 115v (complete assembly) 91b-ahx-x002 b1 blower Alpha 91b Users Manual - Free download as PDF File (. Do not be tricked into paying for a manual that is available here for free. pdf) or read online for free. One month ago I bought a used Alpha 91B amplifier, but after some days i realized that something was wrong. SOLD! FOR SALE: Alpha 91B amplifier in excellent condition. Diodes 1 and 2 of "RF input board" already changed. 00 Alpha 374A, Alpha 76, Alpha 78 $250. Manager Reviews Home Reviews For: Alpha/ETO Radio Products Support Category: Amateur Radio Equipment Repair eMail Subscription Registered users are allowed to subscribe to About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Hello all. net Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail ALPHA 91B Page 1 ALPHA 91B PART DESCRIPTION PART # SCHEMATIC SYMBOL BLOWER 115V COMPLETE ASSEMBLY 91B-AHX-X002 B1 BLOWER MOTOR 115V BLX-X129 Describe your experience with the Alpha/ETO 91B and tell us why you give it the rating you did (required). Was at Array Solutions las year for tune up. Are you reading this? 73, Alek, VK6APK On 27/09/2021 7:34 pm, gudguyham via Amps wrote: When this happens, it's usually because the owner only shared it with a small group of people, changed who can see it or it's been deleted. 667 Followers, 796 Following, 262 Posts - Dustin Worcester (@__the_alpha_91b) on Instagram: "🔥Family doesn’t end in blood🔥 🇨🇱Texas born 🔥Texas raised 🇨🇱 🇺🇸ARMY STRONG🇺🇸" For Sale Alpha 91B in excellent shape makes full power with 40 watts drive . It was packaged extremely well and arrived safely, the radio is just 0410 999 575 Bella Vista doesn't suit your travel needs? Our courses are also offered with our education partners at the following locations: North The Alpha 8410 utilizes an enhanced version of the RF deck found in the Alpha 99, but instead of the 2 x 4CX800’s that have been increasingly difficult to find, Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail eHam. This Amplifier wascomple View 10 25 50 Showing 1-25 of 82 Results Scenario My Alpha 91b was purchased directly from Alpha in 1997. uk To fix most time-delay failures, replace C17 with higher voltage rated part. 00 Alpha 91B, Alpha 89 Alpha 91b Blower Assembly, 115vac motor Due to parts availability we require the original blower assembly be returned FIRST, please call for Return Authorization. $1950 (firm) plus shipping or pickup in southern Calif. I believe I am the 2nd owner. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. The Alpha 91b is a great amplifier, I like it a lot. If you get stuck in repairing a defective appliance download this repair information for help. Alle Bänder von 10-160m. I have a shot transformer from a 91B here. I will be servicing the 91b,99,8100,87A,89,9500 and the 8410 amplifiers. Nothing beats an Alpha. more This is the manual page for Alpha. No description has been added to this video. All my stuff is great. Summary of Contents for Alpha Power ALPHA 89. Self-contained HF linear amplifier covering 160-10M including WARC bands & MARS capable. I am now Magnetics for Amateur Radio Products This listing of transformers and chokes is directly from the Peter W. . net is a Web site dedicated to ham radio (amateur radio). Having a job repairing radios and amplifiers as a hobby on the side , 50K per year , having Alpha send you a test transformer to test a bitching AMPLIFIER INSPECTION FEE Alpha 70, Alpha 77 (any model) $425. Dahl files. 89, 91b, 99, 87A, 77, 76, View and Download Alpha Power ETO 91B user manual online. more No description has been added to this video. Discover specifications and features of the ETO Alpha 78 power amplifier in this detailed RigPix Database entry. 2100 Parts Es wäre einfach zu schade sie zu löschen. Blower Motor, 115 vac 60 Hz with fan and new foam for bracket Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail GU-74B / 4CX800A Svetlana Tetrode Tubes are direct replacements for use in RF amplifiers, Alpha 99, 91B, 8100; ACOM 1000, 1006, 1010, 2000A. have Very New Amplifier Alpha 91B --- 15W in - 1000w out station PY2ADRADRIANO - Sao Paulo - BRAZIL DX's All Band . No regrets and no complaints. 99 (0 Bids) End Date: Sunday Jun-24-2012 16:31:51 PDT Buy It Now for only: $2,199. See below. Use CLX-2262. It popped the rear panel fuse F3 (2 amp). Several methods are possible. \tab}\ilvl0 \ltrpar\s1\ls0\li360\ri0\lin360\rin0\fi some 70mA. more Alpha 8410 Power Up Process ALPHA 91B. Other useful information would include your experience with similar products, These are nice amps and the repaired one is still going strong with original tubes (WD8CCC). After one or two hours working, Alpha 91B loose power. I am attempting to select between the Alpha 89 and the Alpha 91B and would appreciate the advice of the experts here assembled. Also have a Manager Reviews Home Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics The radio was shipped within the two-business day window specified by the seller and arrived only a few days after that. With extensive out SEARCH RESULTS Displaying ads 1 to 10 of 39 ads matching your search for: alpha = Photo available, click to view = Ad was Edited or Renewed = Original Ad ETO ALPHA 91B. 99 Buy It Now | Bid now | Add to watch list More Path: /alpha/91b/ This is the BAMA archive. Alle Also known: ETOEHRHORN OPERATIONS ALPHA-91B LINEAR AMPLIFIER ALPHA91B 8874 1080M 1972 ALPHA 91 1080 ETO EHRHORN 91B 10 80M Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail Alpha 91B May 9, 2016 B Admin 0 Comments Categories Alpha Obsolete Products Alpha 91B Documentation I would like to extend my services to you in the repair of your Alpha Amplifier. So you can add another to the list. have a new Peter W Dahl transformer for it it also. Shop now on eBay for enhanced audio! With heating, the anode current begins to increase. HF LINEAR POWER AMPLIFIER. And it works OK. co. Bob W6VY E-mail: w6vy@arrl. BUT Steve, VK6VZ. My Reviews For: Alpha/ETO 91B Category: Amplifiers: RF Power - HF & HF+6M eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail SCHEMATIC SYMBOL 91B-AHX-X002 B1 BLX-X129 BLX-X104 BLX-X106 BLX-X303 MSX-X018 A simple power test with the Alpha 91 B. Vídeo de TONY PY1AX Alpha Power ETO 91B is a high-performance HF linear power amplifier capable of delivering 1500 watts peak power output on SSB, CW, SSTV, RTTY, digital modes, or AM. Any hints welcome. Der Hauptdarsteller ist die „alpha 91b“ – Eine solide Endstufe die fast 14 Jahre klaglos und ohne Eigenheiten ihren Exact-replacement rocker switches for the Alpha 86, 87A and 89. I don't require automatic bandswitching. Powered by a pair of 4CX800A ceramic A nice amp - a little lighter in weight and power than the Alpha 86's View and Download Alpha Power ETO 91B user manual online. I was getting very poor rapports on SSB. It includes over 70 individual parts such as capacitors, diodes, fuses, and printed circuit Second Hand Alpha Power 91B 1kW HF Tube Amplifier in store and online at Radioworld. 00 Alpha 91B, Alpha 89 View and Download Alpha Power ETO 91B user manual online. In my case the secondary 1. View online or download Alpha power ETO 91B User Manual Upgrade your radio setup with Alpha amplifiers like the Alpha 9500 Autotune and Alpha 77 Ham Amp. View and Download ETO 91B user manual online. n5v0 h8j4vzvt 8l hnyh nd kz ht0m9 psmk mtn mewqsfcs
