Fisher 500c output tubes
WebOutput tubes were well matched Westinghouse 7591s and Sylvania 7868s. Clean all potentiometers (volume, balance, etc.) with Deoxit D-5. Replace dial illumination and … WebSep 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 …
Fisher 500c output tubes
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WebJul 22, 2011 · The Fisher 500C is one of the classic receivers and is always in high demand from collectors. Introduced in 1964 it is estimated that over 100,000 units have been sold so it was obviously very popular with the … 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.
WebOct 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 … WebFeb 18, 2024 · If you can install 1-ohm resistors on pin 5 of each of the 4 output tubes, you can measure the current by connecting a digital meter on the VDC setting. 1-ohm resistors give you the luxury of not having to do math to get the current in mA as with 1-ohm resistors the ratio of VDC to mA is 1:1.
WebApr 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. … WebFisher 500-C vintage stereo receiver Specifications. Description: Two-channel FM receiver. Tube complement: seven 12AX7 (phono, tone control, phase inverter stages); four 7591 …
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.
WebNov 4, 2024 · I also modified the bias supply, changing out the original capacitor and selenium rectifier and adding a bias adjust potentiometer, reducing the output tube control grid resistors from 330kΩ to 220kΩ and changing the four coupling capacitors feeding the output tube grids from 0.047µF to 0.068µF. songs to play on royale high pianoWebThe Fisher 500C is one of the classic receivers and is always in high demand from collectors like Granite Bay Fence Company .In fact, in terms of sound, it still holds its own with today’s high-tech audio equipment. … songs to play on roblox pianoWebUsed Fisher 500c all tube integrated amp/receiver for sale. Everything works well, including the tuner! Unit received two tune-ups, one in June 2024 and another April 2024. Tune-up … songs to play on rust guitarsWebFisher 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... songs to play on sky children of the lightWebMar 10, 2016 · 28. I am currently having a 500C refurbished that I recently purchased. The tubes that were in it almost all need to be replaced. The 4 output tubes were all … songs to play on keyboard for beginnersWebFig.5 Fisher 500-C, Aux input channel separation (10dB/vertical div., R–L dashed). With its pair of 7591A output tubes per channel, the 500-C offers a reasonable amount of power, provided the load is close to the nominal … songs to play on raft pianoWebFeb 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. songs to play on spotify