Tragic1281734187 Posted May 2, 2010 Share Posted May 2, 2010 Has anyone tried 6L6's in the Valve Senior? I have no idea if it can be done. Just asking. Link to comment Share on other sites More sharing options...
gypsyseven Posted May 3, 2010 Share Posted May 3, 2010 Don't know either but that would be the first thing i would do on my Valve Senior Head.... Link to comment Share on other sites More sharing options...
jaydodge Posted May 3, 2010 Share Posted May 3, 2010 *brain-fart edit* i think the heater current is higher for 6L6s (double?)..they're bias'd pretty badly in the valve senior - before i put any tubes i cared about in there, i'd change the 10w cathode resistor from 250ohms to something like 680 or 1K..probably not a bad thing to do anyway for tube life..at least with the stock tubes. Link to comment Share on other sites More sharing options...
Tragic1281734187 Posted May 4, 2010 Author Share Posted May 4, 2010 Jaydodge, So, Replace the 10 watt 250 ohm to a 680 or 1K 10 watt (R22)? Are the Valve Seniors biased too high? Stock? Link to comment Share on other sites More sharing options...
jaydodge Posted May 4, 2010 Share Posted May 4, 2010 yeah with stock tubes i changed it to 680ohm (R22) to begin with..the bypass cap (C25) can be left (in terms of voltage rating) as it wont make much difference - if it blows, it blows and you'll just have less stuff to clean up with the small cap that is there. Link to comment Share on other sites More sharing options...
Tragic1281734187 Posted May 6, 2010 Author Share Posted May 6, 2010 So, replacing R22 would be more for 6V6's lifespan, correct? thanks Link to comment Share on other sites More sharing options...
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