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Avatar for MicroSonic

I have been collecting schematics for 30 years and 5 years ago I started make them available at my site but...

replies: 72 views: 94,995
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hebjam 3 weeks ago
Avatar for Tim Farrant



OK, something to spice up Geekslutz = here is where we post images of the INSIDE of audio equipment. Disclaimer; any photo...

Tim Farrant
replies: 1,106 views: 489,588
Avatar for chipss36
chipss36 3 weeks ago
Avatar for gabriel1

DSP Innovations has recently launched a FREE data sheet search site. The site, - Search Electronic Components ,...

replies: 16 views: 45,482
Avatar for ponzi
ponzi 27th October 2017
Avatar for Tim Farrant

Anyone who offers technical services should get themselves listed into the new member directory here... Gearslutz Directory:...

Tim Farrant
replies: 8 views: 34,278
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for sott

I just bought this speaker and I admit that my expectations were not too high. But because the price was good, I gave it a...

replies: 0 views: 25
Avatar for sott
sott 1 hour ago
Avatar for DVOA

Hi, i hope this is the correct forum for this kind of stuff: I recently bought a Yamaha DX21 for a very good price and it's...

replies: 1 views: 141
Avatar for acreil
acreil 1 hour ago
Avatar for robmix

So I'm looking for an alternate source for festoon lamps. The manufacturer of the meters in my console wants an outrageous amount...

replies: 24 views: 6,240
Avatar for dhenriks
dhenriks 1 hour ago
Avatar for yeloocproducer

Anyone have a Lexicon LP-2 output filter (small metal container)??... lexicon part #023-03196 ... it's the lowpass filter for the...

replies: 30 views: 4,387
Avatar for mikefiction
mikefiction 3 hours ago
Avatar for skern49

Hello. I have a footswitch which engages/disengages the tremolo on my Carr Rambler. There is no LED associated with it. Here's a...

replies: 1 views: 249
Avatar for DrewE
DrewE 15 hours ago
Avatar for Seamus TM

Hi all, I am trying to find an NTP M100c op amp. Any ideas? Thanks, Seamus EDIT: Found some, thanks!

Seamus TM
replies: 20 views: 3,454
Avatar for andre tchmil
andre tchmil 17 hours ago
Avatar for jetboatguy

So, some techies have been attempting mods to the Alesis 3630 comp with success... can this apply to the nanocompressor as well...

replies: 10 views: 4,672
Avatar for enginefire
enginefire 18 hours ago
Avatar for Durr GaGa

Hi Folks, I wonder if any of you can offer any advice regarding a strange issue with my Mother 32? If I initialize pattern...

Durr GaGa
replies: 1 views: 549
Avatar for Durr GaGa
Durr GaGa 1 day ago
Avatar for darkgoob

(I don't know if this is the best forum for this, please let me know if I should move it to a different sub. This pertains...

replies: 6 views: 2,380
Avatar for midinerd
midinerd 1 day ago
Avatar for rojaros

Hello folks, I'm not a great tech guy, but I'd be able to solder up something. I was searching for Danish Pro Audio PCC4000...

replies: 10 views: 1,506
Avatar for Orgeltonmeister
Orgeltonmeister 1 day ago
Avatar for slutter

Hi, Just have a quick tech question. I've troubleshooted a PCB that has a number of issues, including a small portion of a...

replies: 6 views: 538
Avatar for slutter
slutter 1 day ago
Avatar for shortyboyboy

Hi Gang, I have some problems with my Trident 65 I was hoping you could help me with. I believe the problems can be fixed by...

replies: 18 views: 712
Avatar for shortyboyboy
shortyboyboy 1 day ago
Avatar for OBO

Hello, searching the Neve 66 connector info manual. I desesperatly look after it in order to install the console!!! Many...

replies: 15 views: 2,543
Avatar for Zebra_PD
Zebra_PD 1 day ago
Avatar for scottsnailham

An interesting problem. When I load the tape into the SV 3800, it seems to load fine, the guides come out and wrap the tape...

replies: 14 views: 1,096
Avatar for scottsnailham
scottsnailham 2 days ago
Avatar for nachthymnen

Hey guys, I've been lurking on the forums for quite a while but never created an account to post or write. I've been trying to...

replies: 9 views: 4,336
Avatar for notmenoway
notmenoway 2 days ago
Avatar for KingpenCowboy

I have an ART PRO CHANNEL 1 MODEL 215 AND UPON CIRCUIT BOARD INSPECTION I DISCOVERED that one of the tube mount legs was loose...

replies: 1 views: 650
Avatar for KingpenCowboy
KingpenCowboy 2 days ago
Avatar for slutter

Hi, I'm troubleshooting a Yamaha P-115 which has numerous non-working keys. I've isolated it down to the contacts on the PC...

replies: 8 views: 565
Avatar for slutter
slutter 2 days ago
Avatar for Trojanmantony

I have 10 years experience in soldering(thru hole and smt), I can repair and troubleshoot stuff relatively well, and I am an...

replies: 6 views: 817
Avatar for ggodfrey
ggodfrey 2 days ago
Avatar for Maschu

Hey guys, I'm having trouble with ma Wa73 Neve clone. I already send it back, but it came back to me still having the same...

replies: 21 views: 925
Avatar for warmaudiosupport
warmaudiosupport 2 days ago
Avatar for iltrich

Hello, I have a DBX 166XL Compressor/Limiter/Gate :facepalm:. Is there anyway to modify it to improve its performance? Is the...

replies: 8 views: 3,213
Avatar for enginefire
enginefire 3 days ago
Avatar for rocketship69

Hi. I am adding a Zvex Fuzz Factory to my guitar. I have the cavity drawn out on the guitar that easily fits the board from...

replies: 9 views: 558
Avatar for enginefire
enginefire 3 days ago
Avatar for jofo70

I used their contact page, but PMI audio got back and said that they didn't get many schematics when they acquired Joe Meek. ...

replies: 5 views: 744
Avatar for dirker
dirker 3 days ago
Avatar for suckboi

I have a zvex vertical fuzz factory and even when it was within its casing, it would not turn on with the 9V battery powering it....

replies: 1 views: 511
Avatar for rocketship69
rocketship69 3 days ago
Avatar for Qumok

Hello. So I decided to test out my chameleon 7720 and gather some info. I got some interesting results, especially against its...

replies: 3 views: 464
Avatar for Qumok
Qumok 4 days ago
Avatar for Brian M. Boykin

I’ve read up on these and they seem more favorable because the cabinets are sized better for the drivers than say the 4411’s...

Brian M. Boykin
replies: 10 views: 969
Avatar for Jim Williams
Jim Williams 4 days ago
Avatar for sleepwalk

Hi, I have a Solo 610 that is in need of diagnostics/repair. It will work fine for an hour or two, and then the gain just becomes...

replies: 5 views: 618
Avatar for sleepwalk
sleepwalk 4 days ago
Avatar for Hexov

Hello everyone! I'm new to this forum and i would like to thank everyone in advance who will help me with this problem. I've...

replies: 2 views: 506
Avatar for Hexov
Hexov 5 days ago
Avatar for iaw1978

I've been working on some older units as I've found them cheap to come by (Boss Dr-55 and Soundmaster Sr-88) and I have some...

replies: 6 views: 599
Avatar for Cpl. Punishment
Cpl. Punishment 5 days ago
Avatar for E Orjatsalo

Anyone have these? The ones in manual are too vague to really find out what to do to repair a channel. I contacted local...

E Orjatsalo
replies: 15 views: 14,253
Avatar for althemusicwizard
althemusicwizard 5 days ago
Avatar for goom

I'm not sure if the company was handed to another entity to keep going after the owner passed away. confoosed

replies: 0 views: 569
Avatar for goom
goom 6 days ago
Avatar for Ez Presso

Hello, guys. Does anyone out there have the service manual or schematics for Tascam FW-1804 or Tascam FW-1082? I am trying to...

Ez Presso
replies: 1 views: 759
Avatar for pdeber
pdeber 6 days ago
Avatar for iudex

I am trying to fix my old Marshall Valvestate 8010, mostly because I wanted learn soldering and some standard troubleshooting....

replies: 0 views: 564
Avatar for iudex
iudex 6 days ago
Avatar for recordinghopkins

Tonight the 17v +/- lights went out on my power supply. I have yet to remove it from the rack, but I was curious to see if anyone...

replies: 116 views: 23,386
Avatar for Jim Williams
Jim Williams 1 week ago
Avatar for brijem

I know there are endless threads about the ART VLA Pro II and the various mods possible, but that's part of the problem - too...

replies: 0 views: 538
Avatar for brijem
brijem 1 week ago
Avatar for midnightmarauder

I'm having this strange and annoying problem with my beloved Waldorf Q keyboard. And I would be greatful if somebody might be...

replies: 2 views: 966
Avatar for midnightmarauder
midnightmarauder 1 week ago
Avatar for nicholasj

My Soundcraft FX16ii has a channel locked in solo/pfl mode. Unhooked everything, powered down, pressed solo button hard, etc.....

replies: 0 views: 583
Avatar for nicholasj
nicholasj 1 week ago
Avatar for mitchholtby

Hi! I'm developing a few products at the moment, most notably an affordable stereo vari-mu. I'm a bit lost on where to reliably...

replies: 7 views: 789
Avatar for mrfantastic
mrfantastic 1 week ago
Avatar for plutoniq

Hey, I’ve been restoring an old Schaller Reverb unit that has been a bit neglected (on loan to my buddy for 20yrs), the main...

replies: 5 views: 1,092
Avatar for tINY
tINY 1 week ago
Avatar for airloom

does anybody have the pinouts for an akg c422?

replies: 2 views: 640
Avatar for sparky52
sparky52 1 week ago
Avatar for Pilbromatic

Hey guys, Normally I'd post this sort of thing on the DIY Audio forums, but GS is where the legends lurk cooge I've just...

replies: 0 views: 583
Avatar for Pilbromatic
Pilbromatic 1 week ago
Avatar for DanielJC

I hope I'm posting in the right place here. I've searched around and found some similar questions, but not the exact issue I'm...

replies: 0 views: 613
Avatar for DanielJC
DanielJC 1 week ago
Avatar for sameal

Hi. I got a stack of these from a generous trash can awhile back. Someone had robbed the transfo's. So i located a few...

replies: 1 views: 690
Avatar for S_mask
S_mask 1 week ago
Avatar for Sonata

Dear Gearslutz members, I'm having a very weird grounding issue in my studio. I tried contacting various support teams already,...

replies: 7 views: 1,374
Avatar for Sonata
Sonata 1 week ago
Avatar for anonyfous

Hello, we just got the D#R Cinemix to our studio, it was not in the best shape it was lying in a shed for about 10 years....

replies: 1 views: 712
Avatar for ZioGuido
ZioGuido 1 week ago
Avatar for Franco the Manco

Hi, I have a 4 channel dynamic compressor (Behringer Multicom MDX 2400) which I use as a limiter, I am looking to 'slice' up in...

Franco the Manco
replies: 2 views: 627
Avatar for Franco the Manco
Franco the Manco 1 week ago
Avatar for WiredSound

I have a buzz on the output of the compressor side that I can almost elminate by setting the drive and gain to a specific level....

replies: 1 views: 1,280
Avatar for Oz999
Oz999 1 week ago
Avatar for mechr0n01

I need the input/help of professionals here. I ordered a PSU for my Tascam M3500 from this eBay seller...

replies: 11 views: 1,594
Avatar for AnalogGreg
AnalogGreg 1 week ago
Avatar for Slutty Professor

Would anyone be willing to spill the beans on what model is used to replace the old failing lcd-displays in the Akai S1000...

Slutty Professor
replies: 5 views: 1,062
Avatar for Slutty Professor
Slutty Professor 1 week ago
Avatar for JamieOxford

Has anyone here built a 610 preamp before? Or is there a company in the deepest darkest corner of the internet making them? I...

replies: 33 views: 16,861
Avatar for dawsonaudio
dawsonaudio 1 week ago
Avatar for ULTRA82

Hello planet inhabitants gearslutz. Help with determining the board for which device it is. I will be grateful.;)

replies: 2 views: 957
Avatar for audiospecific
audiospecific 1 week ago


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