Fisher 500c output tubes

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August undefined, 2024

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 …

Fisher 500-C vintage stereo receiver Page 2 Stereophile.com

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 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 … fix credit software

Fisher 500-C Stereophonic Receiver Manual HiFi Engine

WebMar 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 … WebAs probably you already know, the 800C is Fisher's "pinnacle" product, but only different from the 500C because it has AM and FM instead of FM only. I've never seen any … 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. fix crooked blinds

Fisher 500C no sound- any suggestions - narkive

Fully Restored Fisher 500C Stereo Tube FM Receiver - Reverb

WebFisher 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... 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. can lungfish go on landWebThe Fisher 500-C uses 7591A output tubes, now discontinued. Until recently, you had to buy used or NOS (new old stock) 7591As, but a new 7591A, the 7591A EH, is now being … can lungfish breathe out of water

"WebApr 18, 2024 · Get the 500c checked out. Selenium rectifier should be replaced and all the caps if not most. If it’s sat for awhile, it’ll be a bomb waiting to blow. Absolutely, these old Fishers need a complete rebuilding including the power supplies, rectifiers and coupling caps. Check resistors for going out of tolerance too. allied333, Apr 17, 2024 #8 " - Fisher 500c output tubes

Fisher 500c output tubes

WebFig.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 … WebJul 30, 2009 · I've got a Fisher 500C and have just installed a set of JJ 7591S output tubes. The bias voltage was low because of a weak selenium rectifier, so replaced it with a silicon bridge rectifier. The voltage increased substantially so I replaced the 15 ohm series dropping resistor, between the electrolytic filter caps, with a 30 ohm resistor and the ...

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WebJan 3, 2010 · Fisher 500C (phono low, phono high) ? Discussion in 'Tube Audio' started by the_nines, ... If your MC cart is relatively high output for an MC, you may be able to make it work. 2. To facilitate making it work, if you use very high gain preamp tubes in the phono positions, that'll help. So, those two tubes with the tube shields? ... http://www.bwstube.com/fisher-500c--800c-amplifier-upgrades.html

WebMay 16, 2012 · SOLD! Vintage Fisher 500C Receiver with New Output Tubes $575 SOLD! SOLD! The Fisher 500C may be the best sounding vacuum tube receiver ever made. … WebJun 19, 2005 · The Fisher 500-C uses a solid-state full-wave rectifier for its front-end circuitry, and half-wave rectification for its B voltage rails, the …

WebJun 25, 2024 · Fisher was actually the first manufacturer to offer audio separates; McIntosh, Marantz, H.H. Scott, and Harmon Kardon would eventually do the same. “The Fisher” … 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 …

WebUsed 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 …

WebHistorical Fisher 500-C vintage stereo receiver Reviewing & Testing Vintage Audio Components Sidebar 3: Reviewing & Testing Vintage Audio Components The biggest challenge in reviewing and testing vintage audio equipment is knowing the condition and history of the review sample. can lung infection cause high blood pressureWebDec 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. can lungfish walk on landWebThe 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. … fix crick in neckWebSep 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 … fix credit to buy a house in 6 monthsWebGet the best deals on Fisher Vintage Electronics Parts & Accessories when you shop the largest online selection at eBay.com. Free shipping on many items Browse your favorite brands affordable prices. ... FISHER EARLY TYPE 7591A OUTPUT TAN BASE TUBES / WESTINGHOUSE / MADE IN USA. $329.00. $15.00 shipping. ... Owners Instruction … can lung infection cause coughWebWith 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 value of the output transformer tap. Fig.6 plots the receiver's THD+noise percentage against output power into 4, 8, and 16 ohms. fix-credit-scoreWebThe Fisher 500c Stereophonic FM Multiplex is the centerpiece for vintage audio. If high-end audio is one of your favorite hobbies, then you can save money by buying vintage … can lung granulomas cause shortness of breath