Unknown Ampeg Gemini modificationss

[Queen*Son]

Well I took the amp out anticipating a new tm1 for the tremolo and I wanted to look at some of the mods that were done.. of the 3 1/4" jacks 1 is for...

[clarisso11]

Hi!

I've been working on building an amplifier head around a Blues Junior PCB I got for cheap some time ago. With the help of this forum and...

[clarisso11]

Hi everyone,

I've been working on building an amplifier head around a Fender Blues Junior PCB that I got for quite cheap.

The PCB...

[gojirajesus]

Hi, I have a Session Rockette 30, a British solid state amp from a couple decades ago. In the last few months, I have noticed a consistent humming/crackling...

[stevenrb718]

Got a Bugera 333XL Infinium that powers up but doesn't produce any sound. After a short time all 4 of the tube indicator LEDs on the back light up. Anybody...

[Amapola]

Hi,

After the schematics (power supply zone) ; instead to have on collector +35.6v for Q5 2SD669 and -35.6 v for Q6 2SB649 i have 40.7v and -40.7v...

[SunDogAZ]

I have a similar issue. Mine is a Fender Hot Rod DeVille III 2x12. Board has 2009 printed on it. I bought it from a guy who said that the volume cuts in and...

[zboblitt]

I have the original version of the Carvin V3 Head. I believe it's power transformer went out because I measure 5 ohms between hot and return of the IEC when...

[NicholasTurner333]

Hello everyone, my Peavey VTM120 was plugged in at my apartment in my home recording setup. It was working fine for an hour of playing. I then turned it...

[Gretsch97]

Last night I picked up an old Rogue GS-100R Solid state amp. I was told it was not working, so I took it home and took a look at it. Turns out, all that was...

[ptaf]

Hi to all!

The above mentioned guitar amp was given to me for free. It is an old practice amp made by Fender in Mexico. Says model PR 241 on...

[robrob]

The 1963 Fender AB763 blackface Vibroverb is my favorite amp of all time. It will be forever linked to Stevie Ray Vaughan's amazing tone but building a blackface...

[Shibalinu]

Recently I was experimenting and had a little too much fun with the feedback, not noticing how loud i was actually playing my amp started giving up and began...

[Joe Picker]

I've had this little amp for years and finally dug it out of the pile and started playing it. Good tone, cool tremolo. What the heck is it? Image:
...

[Dylpickle]

Hey Guys,

I'm currently looking at getting my amp (Marshall TSL60) modded and I am trying to understand the gain stages and how they flow through...

[ashkirk]

I have a Fender Deluxe 112 amp (purchased around 1995). The sound is still great, but the sound tends to drop when I move the volume knob above 2 (only in...

[Topstar]

HI

i just got a new second hand luxman amp LV-102 and it seems to work fine, yet when i connected it to my luxman PD-284 turntable it trips...

[agoraphone]

I have a Proton 520 Stereo integrated amp which was working fine until recently, when one of the channels would begin sounding distorted. I found that wiggling...

[TwiztidThorn]

Hi everyone. As the title says, I have a Peavey Classic 2X12 that isn't working. I'm not sure of the year, but it is the model that has the effects loop,...

[RossKarlstad]

Hi, Just bought a Ross PC-4110 and two LEM speakers. Anyone who knows where I could find a manual (pdf) for the Ross powered amp? Cheers

[BudJillett]

Hi All,

I'm wondering if there are any Sunn Beta Lead repair gurus in the forum?

I've attached a schematic I found in another...