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

Tim Farrant
replies: 1,147 views: 542,656
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rez 2 weeks ago
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I have been collecting schematics for 30 years and 5 years ago I started make them available at my site but...

replies: 82 views: 116,469
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MicroSonic 18th July 2020
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DSP Innovations has recently launched a FREE data sheet search site. The site, - Search Electronic Components ,...

replies: 19 views: 54,459
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msbettyhunt 27th March 2020
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Anyone who offers technical services should get themselves listed into the new member directory here... Gearslutz Directory:...

Tim Farrant
replies: 9 views: 43,552
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msbettyhunt 24th March 2020
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I once cleaned some pots with deoxit d5 and it brought them back to life... but they were very loose since the deoxit ate through...

replies: 7 views: 1,757
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Reptil 4 hours ago
Avatar for Mandala69

I had a problem with my Waldorf Q Rack's "shift" button so I opened my Waldorf Q Rack to see if it was a problem I...

replies: 2 views: 1,273
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tfgibbon 9 hours ago
Avatar for rajaaudio

HI Does anyone have TL AUDIO M1 TUBETRACKER schematic ? I have some problem in the pre preamp after i change tubes :deth: same...

replies: 0 views: 446
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rajaaudio 12 hours ago
Avatar for Lewis Robertson

Hi all, I'm hoping the hive mind can help me with this problem that has stumped me, as well as a local studio tech. There are...

Lewis Robertson
replies: 79 views: 11,494
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Radardoug 20 hours ago
Avatar for Radardoug

Hi, a client sent me a Beezneez Arabella mike that the power supply had died on. Turned out to be the power transformer. So I...

replies: 0 views: 307
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Radardoug 21 hours ago
Avatar for RaygunRS

Hey slutz, I have a pair of Sputniks, and one of them is dead. Doesn't light up, and I've tried replacing the fuse. I sent it...

replies: 7 views: 1,498
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imaginaryday 23 hours ago
Avatar for LeftRustle

... asking in some forums and got very mixed replies. I have two 16 ohm cabs (AX/BX) that'd I'd would like to run together with...

replies: 2 views: 252
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Cabirio 1 day ago
Avatar for starfield

so to make a long story short I came upon an old arp solina (first version) a while back and failed to open it up and check it...

replies: 26 views: 3,912
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JamieOxford 1 day ago
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So I'm using a very nice soldering rod that was gifted to me by a very nice and awesome. They moved away before I could get a...

replies: 26 views: 2,121
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WorldPowerLabs 1 day ago
Avatar for Studio ManCave

Hey all I'm recapping my Soundcraft 6000 console and thought I'd make an excel file of the caps in each of the units. I don't...

Studio ManCave
replies: 16 views: 5,939
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Jim Williams 1 day ago
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Hi! howdy I am new here, so please tell me if I post this question in the wrong place. I have a Mac Air that I use almost...

replies: 3 views: 449
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Animisha 1 day ago
Avatar for DarkAlchy

My computer is a RFI hot bed that I only found once I purchased my first two mics and I need some help. If I get within six...

replies: 20 views: 1,768
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Rick Dalton 1 day ago
Avatar for spectrasound

I have a constant "err-90" message on the remote control for my Otari MX80 24 track machine. I read all the comments...

replies: 2 views: 559
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Thomas W. Bethe 1 day ago
Avatar for NvisibleSound

I hadn't used my M88 in a while. I pulled it out a few months ago and it suddenly sounded thin and hollow. Not at all how I...

replies: 5 views: 877
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chris661 1 day ago
Avatar for plutoniq

Well I’m dead in the water it seems, after rebuilding the power supply I tracked down the 2-prong ac cable today and while the...

replies: 3 views: 607
Avatar for plutoniq
plutoniq 1 day ago
Avatar for mlukey

Doe's anyone know of any full audio kit building companies out there? I recall one called PCB Grinder but are there others? Easy...

replies: 11 views: 879
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mlukey 2 days ago
Avatar for turtlejon

so, my ancient D12E is not putting out any signal at all. I compared it to my even more ancient D12 (not E) and it seems like the...

replies: 1 views: 220
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turtlejon 2 days ago
Avatar for undermind

Hello, I'm really hoping someone can help me out. I'm trying to track down the build guide for the Bart HRK mpq568c mic preamp....

replies: 4 views: 826
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housegezeichnet 3 days ago
Avatar for smakdaady

I picked up a TPSII recently and it was DOA, so, started to troubleshoot. Actually the toroid transformer got REALLY hot REALLY...

replies: 2 views: 459
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MediaGary 3 days ago
Avatar for lionel reed

Hi There, I just opened up my Trident MKII to do some minor cleaning and noticed that the Battery has gone bad. I found some...

lionel reed
replies: 0 views: 336
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lionel reed 3 days ago
Avatar for Boksholm

Hi! First post in theese forums! =) My Hi-fi-amp which I'm going to use as a guitar amp blows fuses after I accidentally made...

replies: 2 views: 842
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cathode 4 days ago
Avatar for diamondjim

I have a vintage Otari MX-7800 8 track 1 inch tape machine that I bought 10 years ago, used very little, then moved and just...

replies: 9 views: 582
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Yoski 4 days ago
Avatar for Hideki

Does this preamp/converter support being powered from either 120V and 230V, or does the power supply (it looks like a switching...

replies: 5 views: 787
Avatar for bungee
bungee 4 days ago
Avatar for eddiejobson

Hi all, I hope this is the right place to post this question. I was given a pair of very old Bose 101 speakers. I don't have...

replies: 13 views: 12,709
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Gae 4 days ago
Avatar for M.Retra

Forward Hello fellow GS'ers! This is a reissue of a thread that I started over in the Cakewalk forums. It was immensely...

replies: 67 views: 21,551
Avatar for M.Retra
M.Retra 5 days ago
Avatar for octopi

Does anyone have a schematic for the Omniphonic Pre 2 please? It's the fully balanced version of the Pre 1 and all inputs and...

replies: 0 views: 153
Avatar for octopi
octopi 5 days ago
Avatar for xqtion

Ok I decided to mod my Yamaha HS80m since I'm pretty happy with it but like anything it can always be better :) I've opened it...

replies: 75 views: 20,705
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DGByrne 5 days ago
Avatar for Byron

Hi all, I have an NPNG DMP-2NW that needs a (hopefully minor) repair. The problem is no signal on channel 1. No action on...

replies: 3 views: 1,041
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KIDBILL 6 days ago
Avatar for audiofileAus

Hello all, For those into analog tape, in particular Studer analog tape, might enjoy our recent renovation of a Studer...

replies: 2 views: 394
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audiofileAus 6 days ago
Avatar for cuba1956

Hi guys, hope I'm in the right section. I've recently purchased Studer 904 console in working order, but a bit rough around...

replies: 3 views: 874
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mintytowel 6 days ago
Avatar for ryandfaris

I'm fixing up a Tesla EJU 124 channel strip I got for next to nothing. Got it working just "fine" but it's got real low...

replies: 8 views: 1,102
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dkelley 6 days ago
Avatar for sameal

Hi! I noticed plate reverb clips are being remade, hurray inovation! And im wondering if there would be any added benefit to...

replies: 0 views: 428
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sameal 6 days ago
Avatar for Uby62

Hi everyone! I need to repair a Ddrum AT module : the trigger inputs are not working and i have distortion on outputs, and the...

replies: 12 views: 1,723
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Uby62 6 days ago
Avatar for djschantz

Is it possible to add a MIDI connection to a synthesizer that doesnt come with one? I see people bending circuits and changing...

replies: 4 views: 753
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ma_headphone 6 days ago
Avatar for TMI

I have located a small number of NOS a/d converters for the Lexicon PCM 80 PCM 90 series of digital reverbs that I am using for...

replies: 106 views: 27,741
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pangea2003 1 week ago
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I've got a Sony DPS-M7 that displays the "Battery Voltage Low" warning at boot. Is this battery soldered in? I've...

replies: 4 views: 7,323
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scokljat 1 week ago
Avatar for ma_headphone

Does anybody have the firmware on the Akai S950 EEPROM? I'd be interested in taking a look at the binary and possibly try to...

replies: 0 views: 196
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ma_headphone 1 week ago
Avatar for ajcamlet

I have some A10 channels on an Amek Angela with Alps faders. They have a resistor between pins 1 & 2 on the fader, was...

replies: 3 views: 1,101
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zzjochen 1 week ago
Avatar for AVaughn

Hi, this might be a beaten-to-death subject, with some (maybe similar?) threads on here referring to the topic. I have two quite...

replies: 14 views: 1,153
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JohnRoberts 1 week ago
Avatar for Bunkoid

Hi Folks, I've got a Studer A80 RC which is going into record mode with the record button lighting up. It erases the tape, but...

replies: 8 views: 746
Avatar for Bunkoid
Bunkoid 1 week ago
Avatar for phluvr

Hey, been having issues with my soundcraft for some time now, wanted to see if i could get any help before making my next move. ...

replies: 98 views: 30,398
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coolfog09 1 week ago
Avatar for Etnier

My Masterlink CDR is no longer burning properly, and of course I have a project on hold because of this. I don't want to send the...

replies: 12 views: 3,372
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MrBarton1980 1 week ago
Avatar for Renoized

So in my live rack I have a Focusrite Scarlett 18i20, which has ten line outputs that I need to send to front of house. I've...

replies: 16 views: 2,562
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Jim Williams 1 week ago
Avatar for gouge

I'm about to undertake some mods to my VLA and thought it would be fun for anyone else keen to do the same to join in the...

replies: 26 views: 7,556
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COD 1 week ago
Avatar for AllyShreds

I purchased a Furman M-8DX a few months ago. The voltage meter on the front always read 120 or 121. I recently moved and haven't...

replies: 1 views: 263
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Thomas W. Bethe 1 week ago
Avatar for oyeskev

can anyone help! I need a schematic/repair manual for a mackie pro fx 12 mixer The power pcb has burnt in a big way.also the...

replies: 2 views: 1,864
Avatar for Tim Jay
Tim Jay 1 week ago
Avatar for nativeVS

Hi all, I've spent the past few months (very) slowly bringing a Studer 902 back to glory. One thing I have been ignoring however...

replies: 5 views: 508
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mintytowel 1 week ago
Avatar for mixalis

Hi, I would like to share an idea for a new midi controller and would love to hear some feedback. I am not affiliated with any...

replies: 21 views: 2,883
Avatar for Thomas W. Bethe
Thomas W. Bethe 1 week ago
Avatar for sadnoise

Hey guys! New to the diy world so please tell me if this is a bad idea but i really like the effects unit in my peavy XRD680...

replies: 2 views: 632
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JohnRoberts 1 week ago
Avatar for lemix

I have a nasty problem that started a year go with my pair of Dorrough 40-A analog meters. I've had them for 6 or so years, used...

replies: 2 views: 292
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lemix 1 week ago


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