"DC Heater assist"
Posted By Denny Gracey on 07/25/2015
I've added the DC heater circuit from Merlin's preamp book to my UHG build - used 4001's and an 8700mf 16V cap. Getting proper DC voltage but it's still carrying 150mVpp AC which is getting coupled in...Discuss this entry
"Discovered a little gem in my closet tonight. "
Posted By Alva Goldbook on 07/24/2015
Thought you guys might enjoy this. A few years ago my wife rescued this little combo amp for me. I never looked at it too closely. I figured it was solid state at the time and I just put it in a close...Discuss this entry
"Thank you to this group for helping me through a successful buil"
Posted By Dave Tainer on 07/22/2015
Yes, I'm a lurker. I never wanted to use the crutch of having to ask a question of this vaunted group because I thought after so many years you probably didn't want another newbie asking the same ques...Discuss this entry
"Question about deprecated projects"
Posted By ScrubeTeamer on 07/22/2015
Hello i am new to the forums. Massive investigation and web search brought me here and i am very pleased to see such an active community focused on valve instrument amps.
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There is a lot of knowledg...
"The raffler project "
Posted By steve25 on 07/22/2015
Years ago when I printed off the schematic from here for the raffler amp ( 2003 I think ) I did not notice till now that in the clean channel of the amp after one of the pots there is a coupling cap w...Discuss this entry