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by AxtmanI am working on an amp for a friend of mine. I already repaired the amp and brought it back to stock. He wants the amp to be cleaner and a bit louder. For...
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Channel: Mods & Tweaks
04-28-2024, 10:55 PM -
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Hi All. I have a few questions about the thermal breaker that is in line with the fuse on this amp. I purchased this amp as non-functional and it gets no...
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Channel: Solid State & Hybrid
05-02-2024, 06:43 PM -
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by Greg_MidiFirst post so hi all! This looks like the right place to go to for this kind of stuff.
The drummer in my band was a long time employee at Digitech....Yesterday, 05:22 PM -
by glebertI have had a couple of speaker failures in a bass rig but I don't know if the problem I'm having is an amp problem or a speaker/enclosure problem. I have...
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Channel: Guitar Amps
04-30-2024, 01:23 PM -
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by nevetslabWhile still waiting for parts to arrive for the Ampeg SVT4-Pro, I set that aside and moved a new client's Fender Vibrolux Reverb combo up to the check-out...04-30-2024, 09:20 PM
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by AntwanHi guys i have a mg101fx on my bench ( i repair things just to learn)
Most of the unit seams to work but in clean its very quiet
od seams...-
Channel: Guitar Amps
05-02-2024, 07:36 AM -
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by thukHi folks. I've got an early 80s JC-120 that gates the Chorus/Vibrato effect at lower volumes.
I've had this problem for years, and finally found...04-26-2024, 09:23 PM -
by RandallI don't do much SMD, but occasionally I will. My Weller soldering station stopped getting hot. I tried a new soldering pencil, but it made no difference....
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Channel: Theory & Design
04-28-2024, 03:13 AM -
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by SmokerxHi, I have a Hartke Ha5500 that was blowing fuses. I traded the fuse out for a proper fuse from the schematic and it blew that fuse. I then replaced Q310...04-13-2024, 12:00 AM
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by nachoskbdHola. Estoy buscando Service manual de una percusión Roland SPD-30
GRACIAS...-
Channel: Schematic Requests
01-27-2021, 09:52 AM -
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by jondoeHi All,
I have an odd problem with this Vox, it came to me with a blown fuse and power amplifier chip which are quite hard to get hold of, but...-
Channel: Solid State & Hybrid
05-01-2024, 02:55 PM -
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by tedmichBrad the amp tech in Australia is doing an incredibly ambitious rebuild of a totally trashed Mesa!
Braver then I!
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Channel: Mods & Tweaks
Yesterday, 01:12 AM -
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by Mick BaileyThe original Tri-Sonics were made with two magnets, whilst the copies/reissues have a single magnet. What's the reason for having two magnets? All I can think...
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Channel: Pickup Theory
04-04-2023, 10:58 AM -
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by Mick BaileyI've been working on a guitar synth pedal project over the winter and its ended up being reasonably successful with fairly good note tracking and latency....
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Channel: Guitar Effects
04-16-2024, 05:09 PM -
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by JP-StereoHi, i have a Passport 500 Pro that began making some strange noise and worsen to flashing Line Level leds red and green than no sound.
I seem like...-
Channel: Other Amps
10-04-2023, 02:25 PM -
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by ArbuttHi People
Thanks for looking
This one has got me scratching my head there is something i'm overlooking here
The reported fault was...12-07-2022, 12:56 PM -
by jvmEarth Revival 2 6L6 combo.One driver transistor, Q7, has low, distorted output. I have replaced both drivers (mpsa42). I then swapped them to be sure I did...12-11-2015, 07:59 PM
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by Ewan PenkeyHi,
I hope someone with more knowledge of SMPS or experience of this particular mixer can help.
I'm trying to repair a Peavey...-
Channel: Other Amps
04-19-2024, 02:26 PM -
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by misterc57I have no tremolo and not sure why. Schematic attached. It seems like I have no audio signal at the tremolo circuit. I do not have a foot switch and am not...09-23-2020, 06:46 PM
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by bramleyLooking for any kind of schematics and/ or service manual for the Soundtracs Topaz mixer, it's an earlier version, 24/8 . The 32/8 manual would be identical...
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Channel: Schematic Requests
10-20-2013, 11:39 PM -