Fisher 500c output tubes

Author: scnz

August undefined, 2024

WebThe 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. … WebSep 19, 2024 · Specifically 4 new output tubes, the 7591's. ... The service technician is confusing the 7868 tubes the Fisher 400 uses for the 7591. None of the modern production 7591 made today have a pin size issue like the 7868. There is one modern 7591 that has a really large glass bottle size both tall and fat. ... I haven't rolled through power tubes on ...

Fisher 500-C vintage stereo receiver Stereophile.com

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 … WebThe 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 … poraxx herb

Fisher Tubes - HOT HOT HOT Steve Hoffman Music Forums

http://www.audioreview.com/product/amplification/receivers/fisher/500c.html 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. 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 … por audio quality bluetooth

Vintage Fisher 500C Receiver with New Output Tubes $575

WebGet 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 … WebWith 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. sharon senohttp://www.bwstube.com/fisher-500c--800c-amplifier-upgrades.html poraver in lightweight concrete

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Fisher 500c output tubes

Tube Recommendations for a Fisher 500C - Audiokarma …

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. … 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? ...

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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 … WebThe 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 …

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. 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 …

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 6, 2024 · Current project is the recapping of a 500c, my 1st attempt on a tube receiver. I’ve successfully recapped several Marantz receivers (2270 x 2, 2275 & a 2325) with the help of numerous AK restoration threads. Not something I could’ve ever imagined doing without this resource.

WebDescription. The 400 closely resembles the Fisher 500 and 800 series receivers, with a brushed metal faceplate and brass-faced knobs. Left of the dial is the famous Fisher bird logo, with a musical note in its beak. The …

WebAEA Signature Fisher 500-C. The ultimate vintage tube receiver. AEA custom restores the Fisher 500-C into a modern, extreme high-end amplifier. We source excellent condition core receivers and perform a … sharon sepacWebApr 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 por authoriy comptrollerWebNov 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. por babor meaningWebFisher 500B, 500C and 800C. Cayuga Posts: 480. ... As 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. ... "AM-FM [simulcast] stereo" receiver used small output tubes (either EL84 or 7189) and used vacuum tube rectification for its HV. I'd love to ... porbandar airport flightsWebFisher 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... pora vendor list sun city westWebJul 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 ... sharon separWebJun 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 … sharon sensitiva