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by fdesalvoHaving worked on a several old Vox amps, it seems the underlying design decision always revolves around how to electrocute unwitting techs. Not today, satan!...Yesterday, 11:50 PM -
by misterc57I have an 4 tube Oahu. Tube line up is 6N7G, 6C5G, 6N6, 80. This is a one knob (volume) amp with two inputs.
I have a 60 cycle hum that is only...01-18-2022, 04:15 PM -
Hey,
An other problem founded at this amp is the power transformer who did not have a proper rated curent ability. I can live with the fact it will...01-19-2022, 08:37 PM -
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by Hopsing13I getting static sort of hum from my Mesa and my rig is not even plugged into. I have twenty plugged into the same power with hospital grade receptacles....Today, 03:02 AM
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by Sea ChiefHi chaps,
I'm desperate to fix an issue once & all, going on 2 years I've been trying to get to the bottom of. My twin reverb ( ul 135 w,...01-22-2022, 02:45 PM -
by caesparzaHi,
Recently a client told me that he has a Mesa Boogie TA-30 that has some noise on channel 1. He brought the amp to me, it's completely different...Yesterday, 12:11 PM -
by ca7922303MOD 4FB3A1B tank output(219 ohms), input(198 ohms). Are these readings right for this tank? Thanks...01-20-2022, 01:15 AM
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by nevetslabI finally got around to replacing the shorted Power Xfmr on the Ampeg SVT-CL I took in early 2020, before the Pandemic shut us all down. I never got the...Today, 01:58 AM -
by ZhangliqunLove their cloth tape but hate having to pay $10.99 shipping just for a couple of rolls. But all the other cloth tape I can find over the years is this thin...Yesterday, 04:13 PM
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by gui_tarzanI spent a couple of days drawing out the layout and connections of this Teisco stereo pre-amp since I can't find a schematic. I'm starting to draw the schematic...Yesterday, 04:02 PM -
by axeonicGreetings All,
I'm new in this forum and I'm hoping this post goes to the proper topic.
Recently I bought Sustainor Model 200 (Aug...01-24-2022, 01:28 PM -
by BonesMachineI was hoping this was going to be my first post here before it blew up... now might as well not care about originality and replace whatever... so i'm doing...Yesterday, 05:37 AM
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by 35L6How do you calculate the corner frequency for the 100p from plate to cathode on V1a of a 2204 ? I assume it is 1/ 6.28 RC but what is R ? Plate resistor parallel...01-21-2022, 08:20 PM
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by BonesMachineI have a 70's Fender Bassman 100 head and am a complete novice working on amps. Today I was trying to check the voltage at one of the filter caps and forgot...01-21-2022, 07:59 AM
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by BonesMachinelooks like i killed my OT from a 70's Fender Bassman 100 head. I'm looking into rewinding it myself. anybody try this before? any advice?01-24-2022, 01:20 AM
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by MilcmanGreetings. So I’ve read pages and pages of avt issues but none seem to match mine. I had a pop then the front leds went out. I replaced the 2 2.2ohm...01-23-2022, 06:47 PM
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by earacheHello
I have a Fender Champion 20 Solid State amp that lights up but makes no sound. I looked inside and there was a burnt resistor that I subsequently...01-17-2022, 05:28 PM -
by Sea ChiefHi chaps, another basic amp question from me Im afraid.
What is, or what would be the difference between an amp head -with two output ports,...01-13-2022, 05:04 PM -
Hello folks,
New trash yard discovery: alpha bass from Peavey, built in '90. They sold everywhere for 250-300 bucks around in working order. Something...01-06-2022, 10:30 AM -
by surdopickupsWill these products sold on aliexpress contribute to the failure of the small pickup manufacturer?
https://it.aliexpress.com/item/4000778690915.html?spm=a2g0o.productlist.0.0.372e3d92P4X...01-23-2022, 12:07 PM
