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DC-5 A, Tube swapping
http://forum.grailtone.com/viewtopic.php?f=28&t=73763
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Author:  j.hentschel [ Thu Jul 27, 2017 6:48 am ]
Post subject:  DC-5 A, Tube swapping

Hello there,

this is Joachim from Germany. I was wondering if I could do a BIAS mod to get the Opportunity of swapping between 6L6 and 6V6 Tubes. The idea is to tame the loudness of this little monster.I don't use the drive channel - just the "clean" channel, slightly broke up (Gain set at about 6), with a Maxon TS9, a Boss Blues Driver and a TC Spark Booster in front.
Does the BIAS mod to having the chance to swap the Power-Tubes make any sense to you guys?

Any comments are highly appreciated!

Greetings, Joachim

Author:  emu! [ Mon Sep 10, 2018 2:12 pm ]
Post subject:  Re: DC-5 A, Tube swapping

Change the first input preamp tube (v1) to a less powerful mu. I place a 12au7 in mine. It allows you to crank the volume knob up while keeping the overall loudness down. Thus getting the big 6l6 power tubes cooking.

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