PRS Archon 50/25 EL34 .... bias check
Автор: Watchdog Video
Загружено: 2019-04-12
Просмотров: 932
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Bought this just like new from Chicago Music Exchange. PRS recommends and uses JJ preamp tubes and Ruby power tubes.Bias settings for both EL34 and 6l6s are 30 mV +/- 5 per PRS. I turned all the volumes down and power was on at 50 watts and warmed up for at least ten minutes. There are two test points apparently to check the matching (and balancing) of the two tubes while in circuit. Matt at PRS confirmed this ... "one bias adjustment pot works both sides equally. Try to get as close to 30mV (even if that is 28 on one side and 32 on the other)."
One forum also found that KT66 tubes work really well with bias set at 40 mV however the fit was very tight. PRS wrote: "The 66’s should be fine but I wouldn’t run them any hotter than 40mV."
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