Can boyuurange el34 auto bias work for kt88
WebDec 22, 2015 · 2015-12-23 5:09 pm. #9. Be careful with substituting EL34 and KT88. Pinouts are not the same. EL34 pin 1 is connected to suppressor grid and must be strapped to cathode on pin 8. KT88 sometimes has metal base shell connected to pin 1 and suppressor and cathode are internally connected on pin 8. WebSep 27, 2024 · It can be less punchy when compared to the KT88. EL34 can be lackluster when it comes to the higher range. So, ... You can change your amplifiers if one of your …
Can boyuurange el34 auto bias work for kt88
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WebOct 19, 2010 · TECHNICAL FINDINGS: A resistor change IS necessary to go from KT88's to EL34s. In my particular amp, R61 had two piggybacked resistors. There was a 33K resistor closest to the board (Blue 5 band resistor: Orange, Orange, Black, Red, Brown). Piggybacked on top was another 5 band resistor. With both resistors in place, it was … WebMar 31, 2003 · SWMoore. I'm on a quest: listen to and compare tube types and different bias currents. I have some hardware (ultra-linear push-pull transformers and a 350V …
WebDec 22, 2024 · There are some cons. 1) Having to use both hands and look at the meter to adjust bias is a PITB. A selector switch would be easier to use. Fortunately this does not … WebMay 24, 2024 · allied333 said: ↑. Some Chinese amps are well built. Although not popular here at Hoffman forums, a Yaqin MC-13s with the custom in-house built audio transformers for $700 shipped to USA is a steal. 'Though it's not an amp, you should see the Yaqin SD-CD3 tube buffer by inside.
WebJul 22, 2024 · We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. ... BOYUURANGE Reisong A12 EL34 12AX7 (ECC83) Hi-Fi Audio Stereo Single-end Class - A Tube Amplifier Amp. 4.4 out of 5 stars 49. $499.49 $ 499. 49. Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated … WebNov 25, 2024 · Running the EL34 at ~420..425V plate voltage and 40mA (as per schematics) requires about -36V bias. Running the KT88 at the same operating point …
WebJul 25, 2024 · A descriptive handle! You have to know your plate voltage (fixed bias), or the difference between the plate and cathode voltages (for cathode bias). For 400v plates …
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