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Today the A-500 arrived. It was on a delivery truck from FedEx along with its companion F500 FM tuner. Unfortunately the tuner did not make it. It fell off the truck onto the highway and a man spotted it and picked it up and then called me. FedEx will pick it up from him and examine the unit and...

This Harman-Kardon A-300, S/N 6525759, was originally purchased by me about 1963 from Berkman’s Hi-Fi in Austin, TX. I used it for some years and gave it to my sister about 1968. She used it from about 1968-2005 when she gave it and its companion Harman-Kardon F-50-XK FM tuner back to me. In the...

I see that my last post about the RS1060and RS 1080 was way last year! I finally managed to get the schematics for both units redrawn. The Hi-Fi Engine service manual scanned images are OK for all the pages except the schematics. The schematics are terrible. I am sending just those two pages as...

I am dealing with a Technics SL-B20 turntable that appears to have a replacement P mount cartridge by Audio-Technica in the tone arm. The service manual for the SL-B20 turntable shows the original cartridge was their part number EPC-28ES. The unit actually has an Audio-Technica AT81E cartridge...

I began work today replacing a volume control in a Fisher 800-C that I had previously restored and modified. The AC switch had gone bad on the old control. I bought a completely new control and switch from a source on eBay. I thought this was going to be a straight-forward replacement. The...

Today I got around to checking the Fisher FM-2310 AM-FM tuner I acquired a while back. I took the top cover off and looked inside. I found that there are two circuit boards, one for the power supply (which includes the Deviation/Multipath circuitry) and one for the AM-FM IF MPX and audio...

I received a Kenwood KT-9900 AM/FM Stereo tuner yesterday. Today I got around to verifying its operation and I am very pleased with the results. Excellent quieting even of a distant station with a strong local station at alternate channel on the dial (-9dBm local and -59dBm distant). The front...

I have a fairly decent copy of the Kenwood KT-8300/9900 service manual, however the second page has an area at the lower 1/2 of the page that turned out so dark that it is unreadable. If one of you has an original or high quality copy of the service manual I would like to get a nice scan of just...

Do any of you know anything about this Fisher 360? Is it a model number or a chassis number? And what would be the year(s) of production? https://www.ebay.com/itm/Fisher-360-Vintage-Chrome-2-Chassis-Mono-Tube-Amplifier/333240070399?hash=item4d96a7f0ff:g:d4UAAOSw-A1dCvC8 Joe

I recently bought a Fisher FM-2310 AM-FM tuner from epay. This is one of Fisher's last high end designs for an AM-FM stereo tuner. It has an aluminum face panel with simple markings, signal level meter, center of channel tuning meter and deviation/multipath meters in the front panel. The dial is...

Do any of you have a schematic for a Fisher FM-7000? Please let me know if you do. Thanks in advance. Joe

I recently bought a Fisher 90-T which was originally sold in CA. It is surprisingly clean for one of its age. It was missing two 12AX7s and shields. I had both the tubes and the shields. It also was missing its EZ80 rectifier tube. I checked all my tubes and did not have any. I did have left...

I see that there is a 1958 Fisher President currently on eBay: https://www.ebay.com/itm/Vintage-1958-Fisher-President-Tube-Stereo-Console-Beautiful-WORKS-dual-80AZ-Amps/123516416840?hash=item1cc226f348:rk:39:pf:0 I hope that someone who is wealthy can afford to get this unit and preserve it for...

Recently I acquired a Fisher X-202-B from the internet. It is missing the jewel at the left end of the set on the front panel. What is the correct color of jewel for that position? Joe

Thanks to Matt, I now have an 800-C to restore. He had one output transformer and I had another one I bought from the internet. I have ordered a set of knob brights and I have one question regarding them - The two knobs at the top on either side of the dial (speaker selector knob and tuning...

I have a Fisher 90-R AM/FM Tuner that I am checking out. So far the AM works OK as does the EM84 (although dim). On FM there is no indication of reception. I had to replace one 6JB6 IF tube to get the AM working. The V5 6BH6 was weak and I replaced it with a better used 6BH6 that I had on hand...

I recently spotted one of the Fisher Radio Model 300 MPX Signal Generators on eBay and bought it. The seller was in Boulder, Colorado and so the shipment to my location in Texas was in record time. The unit is in pretty decent condition externally. The metal brackets that hold the leather strap...

I have been working on cleaning up and annotating the schematic for the Fisher model 600, their first tube type AM-FM Multiplex receiver. On the schematic page 3 a capacitor identified as C149 is shown connected to pin-6 of V10 the 6FG6/EM84 eye tube for the AM circuitry. It is shown close to...

I am considering either a Dual or an Elac Benjamin Miracord turntable for a system. Which ones seem to be the most reliable or easiest to repair? Both seem to have similar features, either synchronous motors or variable rpm adjustments plus tracking force and anti-skating adjustments. I do note...

Do any of you have a copy of the FM-100-B owner's manual that you could scan and send to me by e-mail? I have a friend who bought one recently and he has the service manual thanks to the AK database, but no owner's manual/. Thanks in advance. Joe

Does anyone have a Fisher Electra VI owner's manual they could scan and send files to me? Thanks in advance. Joe

I contacted the person on eBay who was selling an X-202-B and MF-300 combination with remote control and managed to persuade him to separate the tuner and remote from the X-202-B and completed a deal on it today. It should arrive by Nov 11. I was fortunate to obtain this unit complete with the...

This morning a Fisher X-202-B and MF-300 with its remote control receiver and hand unit are on eBay. The asking price is $2600. For those who may be interested, it would be a nice system to have. See: https://www.ebay.com/itm/182862207956?ul_noapp=true Joe

There is currently a Fisher 400CX on ePay which is not in the best of shape, but could be a good performer. Its faceplate has had all of its lettering removed due to poor restoration effort in the past. Its power transformer is a replacement and looks like it has a separate filament transformer...

Years ago my Marantz 170DC blew one channel after a strong spike of audio hit it from a source. I tried doing the repairs myself and replaced every transistor in the one channel except for the dual FET IC (which may actually be the problem). I do not know of a replacement for this item. I used a...