\What are you guys setting the bias at right at 70% dissipation or cooler some? For right now 475 plate voltage my bias is now 36.2, 36.8 is 70% I was running it 34.. most of the year though.
I didnt measure it, just bought a set of tubes to diagnose a hum and it was a bad tube causing it! ended up biasing it later that week. Now I have my own meter and doing it myself now monday I set it 36.2 with new tubes and rechecked it sunday and one drifted to 36.8 so I brought that back down. Depends what your plate voltage so 36 might be right at house and 34 be right for here. Not much though you dont have to be at 70% can go cooler though.\
Ken..Did your come off the shop floor at 34 ? Mine did and my tech said if that's the way the factory set it that's the way it's supposed to be. I know most like to run hotter than that but I'm happy with what I'm getting.
I prolly wouldn't be able to tell the diff between running at 34 & 36 anyway
Mine came biased at 36mv out of the box. Which is where I like it. I'll run it anywhere from 33mv to 36mv. Depends on tubes and feel I prefer.
I like running my DSL's at 65% to 70% dissipation. My PV was around 450. I think?LOL It's been awhile since I checked and I'm old and forgetful.
prb a good idea to recheck it in a few months since there new tubesMine came biased at 36mv out of the box. Which is where I like it. I'll run it anywhere from 33mv to 36mv. Depends on tubes and feel I prefer.
I like running my DSL's at 65% to 70% dissipation. My PV was around 450. I think?LOL It's been awhile since I checked and I'm old and forgetful.
One hopes so old as to not enjoy a bit o' panty dropping every now and then? lmao
prb a good idea to recheck it in a few months since there new tubes
Contact cleaner works for me wellMan I was checking mine at least once a week. Tried other power tubes. Bias was pretty solid throughout. I just brought it out again to play and it's sounding great...although I have a noisy preamp tube. Will fix that when it bothers me a bit more. Just a bit of static right now.LOL
Most like the creamback speaker, did you play loud against your mates amp when you compared the amps?Dsl40c newbie here Im currently wading through this thread (page 92 i think)
The Dsl is my first marshall tube amp (apart from SS) Peavey VK100 and Orange Rockerverb 100 were my previous tube amps.
Its about 10 months old and paid £280
Noticed that fizzy crap in the ultra channels and got pointed to this thread.
So far ive just been trying different settings but checked the bias (39/43) so just set it to 38 for now while im learning the amp.
Not that keen on the stock speaker so will be replacing that i reckon.
Oh and i got advised off a mate to do the c19 mod....
I played mine side by side with his and noticed the difference straight away so did the clipped the c19... what can i say.. loads better to me...
Back to the speakers.. any recommendations for one that will be ok for multi genre playing?
cheers for the thread guys
Contact cleaner works for me well
Did my usual 9 oclock home jamming and went upto about 12...Most like the creamback speaker, did you play loud against your mates amp when you compared the amps?