Bugera 333XL Infinium Issue

[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...

[jasonttaylor]

hi i want to scratch build a 100w amp with 4 channels, each channel with an iconic fender tube preamps. i plan to use the oroginal preamps circuits from the...

[trashdinner]

I've got a pair of Yorkville YSM1p studio monitors and they both started to hiss after a couple of second/minutes. I tried ground lifts but nothing changes....

[Stratapastor]

I bought this from a kid in town who needed cash along with a very sad looking squire bass. When I plugged it in and turned it on it blew the 8A fuse between...

[fhtiek]

Hi All,

I've got a B-52 ATX100 tube head I'm working on. It previously had a shorted output tube and some scorches on the PCB, which I've fixed....