Fisher 500c output tubes
WebDec 29, 2024 · I have a very, very nice Fisher 500c tube receiver for sale. It was restored by William Hardy of Vintage Amplifier Restoration in Hattiesburg, MS a few years ago. It was used very sparingly since then. All tubes are various vintage US brands. The output tubes are a nice quad of vintage Sylvania 7591a’s. WebOutput tubes were well matched Westinghouse 7591s and Sylvania 7868s. Clean all potentiometers (volume, balance, etc.) with Deoxit D-5. Replace dial illumination and …
Fisher 500c output tubes
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WebJan 4, 2024 · Very unlike earlier tube gear I had, including a Fisher 500C, that had a decidedly vintage sound with rolled-off top end. So if you like vintage tube sound stick with that. As for speakers -- there are many that would fit the bill. ... In the case of a conventional vacuum tube output stage, the single most important influence on the sonics is ... WebApr 1, 2024 · Some feel that the Sansui 1000A is the best sounding tube receiver ever made. That’s saying a lot when comparing it to the popular Fisher 500C or 800C. Nonetheless, it definitely performs to high standards which means it is also in high demand. Run of the mill working units sell for around $500 while fully restored units can sell for …
WebI recently picked up an original owner 500C Fisher receiver, complete with owner's manual and schematic manual. This old guy bought it in 1963. It has no sound output. It needs new output tubes- 2 of them test bad, one questionable. Only one tests good. All the tubes light up- and all other tubes test good. Problem is WebThe Fisher 500C may be the best sounding vacuum tube receiver ever made. This Fisher 500C in great condition with walnut case! All of the original brass knob trim is intact. You can leave the original patina if you …
WebPost subject: fisher 500C upgrade. Posted: May Thu 17, 2012 12:43 pm . Member: Joined: Aug Tue 10, 2010 2:36 am ... 10 ohm resistors in series with each output tube cathode, adjustments to the bias supply to set correct idling current for the output stages, and replacing the grid coupling capacitors to the output stages. WebOne important design aspect that may explain some of the 500C's superiority can be measured with a ruler. Both the power and output transformers are larger on the 500C than on the 800B or 400. Its plate stacks measure 2 7/8" for the power transformer and 2 1/2" for the output transformers.
WebFeb 3, 2024 · You should choose one or the other, and incorporate it into your 500C restore. Either circuit will allow you to properly setup the bias of the 7591A output tubes, prolonging their life. Your Fisher will thank you. Then, of course, come back here and incorporate your added knowledge into this thread.
http://www.audioreview.com/product/amplification/receivers/fisher/500c.html list the four times a person can do tayammumWebApr 1, 2024 · This is the Fisher 800C tube receiver. The 800c and 500c are considered by some to be a couple of the best receivers ever made. The 800c and 500c are similar except that the 800c has AM as well as FM. … impact of stress on schizophreniaWebDec 10, 2015 · This 500-C will get a new set of Tung-Sol output tubes which are the best new replacements available these days. The IBAM adjustments will help dial them in to 34mA per tube which is their sweet … impact of stress on sleepWebOct 24, 2024 · The Fisher 500-C features a full function pre-amplifier section with twin phono inputs, auxiliary input, monitor input and tape input (for direct connection to the tape head). The Tuner section features a … impact of stress on youth conclusionWebSep 25, 2012 · It weighs in at over 40 pounds and measures 5-1/2″ x 16″ x 16″. It uses the following tubes: 4-7591 output, 2-6DS4, 3-6AU6, 6SC6, 6EA8, 3-12AU7, 12AX7. If you’re looking at a Fisher 500C or McIntosh … impact of stress on productivityWebFisher 800 B Bias Variations with Output Power and Harmonic Distortion Measurements ElPaso TubeAmps 16.6K subscribers 19K views 12 years ago The purpose of this video is to explore and document... impact of stress on diabetesWebThe Fisher 500C is a world class vintage piece, with excellent build quality and audio performance. I have been working on these units for many years The photographs shown here are of my personal 500C, which I have … impact of stress on performance