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I've been in my 1984 DRG C+ RP11A # 12732 sooo many times, somethings just don't look right on the preamp board. I understand there's no EQ. But other places. You called and they said its a C+?

Positive progress is what I love. Congrats! Dang, if I had your knowledge and testing gear my amp would be just the way I want it. But there'd be 25 mini switches everywhere! I know Ampo is tweakable to ones ideals but I just don't know where to start.

Ty for the advice with the upmost respect from you two. This is the first time, I think, that I ever heard about upgrading the the 30uf. Besides the obvious failing sign, bulging, what are the other symptoms as to which you describe? Thanks? Jim

I often wonder why its recommended to put 600v coupling caps when the voltage is lucky to even reach 400. This is not a debate statement, more of opinions rather. I have 600's ready to put in but have been procrastinating. Also, what's your take on putting the outer foil lead to the lower...

I have a factory DRG C+ and my measurements are identical to yours , with power tubes IN .And component wise. My plate voltage hover around 500vdc. 105 PT. Wall voltage around 120 - 122 VAC.

www.amprepairparts.com . Give them a shot. Its a long shot but worth a try. Good luck.

Thanx for the picts from you both. Yep, looks like mine too. Thanks for taking the time!

Thanx for the replies !. I'm iffy about that Rep. I kinda see where it could be Rcs in cursive. But not conclusive. I'm gonna try to find some picts. Can you point me to any?Anyway, there's no way I'm sending back. That would be the THIRD time. First time was a waste of time and money. Someone...

Are there any picts out there that I can view of his signature? Thanx!

I want/ would love to know why M Bendinelli is nowhere attached to my amp. Something isn't adding up here based on others comments and dates on their chassis. Everyone that I know who has a C+ and loves it, they all have his initials on chassis. Again, does anyone know what Rep means on my...

Couple pics. Don't know what Rep means. Anyone? A repaired amp? I've had nothing but problems with this amp. I think I got a lemon. I was NEVER floored by its tone when I first received it. I labeled preamp sockets myself.

Yes. There are 12ax7 in black sharpie along with 4/84 , i believe. No MB initials anywhere. Not even on construction tag that came with it with all of the ppl who helped build it. Im assuming Mike is the one who puts the p!us sign on rear of chassis. Mine didnt have one. Long story if anyone's...

I'll take some pics soon when I pull chassis and upload them.

I have a factory DRG C+ head serial # 12732. I'm the original owner. Nowhere are MB initials. Just three little itty bitty dots by each power tube socket. Just RS initials by AC cord. Wonder what Mike was when mine was being built or modded? Is that when he went with Prince touring?

After CAREFULLY doing what Steve suggested, Btw, not to step on Steve's toes, the anodes he's referring to are pin 3 of the power tubes. Be careful there as well because amp has to be fully powered up. There should be about 480vdv +/-, though being an export, not sure. .there are other very...

Ty! Does that Furman filter out line noise you think? I've been using the Furman Power Factor Pro for years. its suppose to lower AC impedance and keep amperage in reserve. Whatever that means! It says line filtering but eh, I don't know. I still get some buzzing depending on my proximity to...

Hey team, Dom, What Voltage Regulator/ Conditioner are you using? Seems like i may need one. No consistency with my amp. At home. Not gigging. Thanks!!.

Ty for sharing. After many years, impedance mismatch might be the cause of my situation. DRG C+ loop. Send to Boss 8GEQ pedal > older Boss Chorus pedal > Rock from Intellifex > Return. When I activate Boss Chorus it wants to peak out my input level led's on Intellifex. When I switch to...

Greetings Mr. Morgan! Where have you been? I hope all is well with you. I've been a fan, follower for years. Blessings. ,Jim

I may opt for a pedal. The verb in my C+ DRG downright sux. I've tried lots to resolve with negative results.