Fisher 500c output tubes

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August undefined, 2024

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 … 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 …

6moons audio reviews: The Fisher Kings - Vintage Tube Receivers

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. 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” … incompetent to stand trial pa

Fisher 500C; 800C Amplifier Upgrades - bwstube.com

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 … 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. … incompetent\\u0027s 1k

Fisher 500-C Stereophonic Receiver Manual HiFi Engine

Fisher 500-C vintage stereo receiver Stereophile.com

WebFisher 500-C vintage stereo receiver Specifications. Description: Two-channel FM receiver. Tube complement: seven 12AX7 (phono, tone control, phase inverter stages); four 7591 … 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 … incompetent\\u0027s 1oWebJan 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 ... incompetent vs incapacitated

"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. " - Fisher 500c output tubes

Fisher 500c output tubes

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 WebDec 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 …

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http://www.audioreview.com/product/amplification/receivers/fisher/500c.html 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 ...

WebOct 16, 2001 · A new matched quad of larger 7591A Electro-Harmonix output tubes are only $88. (fit 500-C & 800-C, not 400) 12AX7 & 12AT7 tube upgrades are only $10 each. There are 9 of them in each receiver! MODS & UPGRADES. TONE/LOUDNESS BYPASS for unbelievable wide-open tone! Only $65 more. Can anyone here decribe the pros/cons … 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 …

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 … WebOutput tubes were well matched Westinghouse 7591s and Sylvania 7868s. Clean all potentiometers (volume, balance, etc.) with Deoxit D-5. Replace dial illumination and …

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 incompetent\\u0027s 1hWebThe 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 … incompetent vs capacityhttp://www.audioreview.com/product/amplification/receivers/fisher/500c.html incompetent to stand trial workbooksWebPost 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. incompetent veins treatmentWebFisher 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... incompetent\\u0027s 2wWebMar 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 … incompetent versus incapacitatedWebAbout This Listing. For sale is a fully restored Fisher 500C all tube FM stereo receiver. This beautiful looking and sounding unit that was very late in the production run. It has a more … incompetent\\u0027s 3b