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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: 542,895
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rez 3 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: 116,524
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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: 54,492
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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: 43,577
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msbettyhunt 24th March 2020
Avatar for theslygoose

Has anyone ever used Neutrik NP3TT-1 style bantam plugs? I bought a bunch and now it looks like you need a special Neutrik...

replies: 2 views: 1,005
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KIDBILL 42 minutes ago
Avatar for Rizz0

Hi there, Wondering if someone can help me out. Up front would like to ask that you forgive my ignorance if the answer...

replies: 0 views: 100
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Rizz0 1 hour ago
Avatar for rudolpho

I just found a pair of old RODE NT1 microphones at the bottom of my mic locker. I can only remember buying one so it must have...

replies: 111 views: 60,921
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Mikey77 2 hours ago
Avatar for koitsu

Can anyone with a healthy NX5R or NS5R tell me what voltages I should be expecting on pins 1-8 of CNA3 and/or pins 1-4 of CNA2...

replies: 0 views: 59
Avatar for koitsu
koitsu 4 hours ago
Avatar for HSLand

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: 21 views: 4,101
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nosebleedaudio 7 hours ago
Avatar for dpbel

Hi All....I just purchased a Roland JD 990 without a power cord. Looking to purchase one but am not too sure if it is a...

replies: 3 views: 493
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AuldLangSine 8 hours ago
Avatar for golden_ears

---I know this had been a popular topic in the past, but I have not found any answers. Most posts say "they" are...

replies: 10 views: 2,869
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golden_ears 9 hours ago
Avatar for gabrielguinez

I attached 2 images to see what the capsule looks like (I marked it with numbers), and also an image with the colors of the...

replies: 1 views: 400
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gabrielguinez 11 hours ago
Avatar for Pilepoile

Hello, I use 2 appolos: 1 Appolo 16 MK2 and 1 Appolo8 MK2 when I do summation in a Vintage maker summator, I noticed a...

replies: 0 views: 118
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Pilepoile 17 hours ago
Avatar for Jazzy

Hi all, I while back I purchased a "Finhol Air Kick" which was a novel idea of triggering a bass drum sample via air...

replies: 3 views: 496
Avatar for JohnRoberts
JohnRoberts 1 day ago
Avatar for grouphome

Hi, I have a LA Audio Classic compressor here with 1 knob broken. Does anyone here know where I can get a replacement for...

replies: 0 views: 198
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grouphome 1 day ago
Avatar for mick61

Anyone know Richard from Lingenberg Sound? Several years ago I got some bits from Richard @ Lingenberg sound sent over here to...

replies: 1 views: 614
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UGP 1 day ago
Avatar for stevefuzz72

Hello I have a Roland D-5 that came to me with all sort of problems. After a full cap job and tact switches replacement,...

replies: 0 views: 336
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stevefuzz72 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: 27 views: 4,262
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guvech 1 day ago
Avatar for Maxcutch

I have been looking at upgrading my Avantone CV-12 and by putting a new tube and capsule in it. I can't seem to find any info on...

replies: 0 views: 457
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Maxcutch 1 day ago
Avatar for Sircalhobz

Hi, so I'm an audio engineer who has been lucky enough to have my hands and ears grace some of the best or at least most well...

replies: 14 views: 1,457
Avatar for Disharmonic
Disharmonic 2 days 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: 4 views: 344
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Cabirio 2 days ago
Avatar for DaSunlounge

Wondering if anyone could help me out please. I have an Issue with a korg poly 61, everything seems to function as it should...

replies: 0 views: 151
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DaSunlounge 2 days ago
Avatar for Jhonnie

Does anyone have a Drawmer M500 service manual or schematic? I have one channel distorted. It looks like the digital processor...

replies: 25 views: 5,303
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Zapman 2 days ago
Avatar for JJSound21

Hey y'all. I'm a hobbyist, and I just came upon an Aphex CX-1 compressor. It seems like a cool vintage unit. I saw on the...

replies: 2 views: 762
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Gnarmageddon 2 days 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: 81 views: 11,771
Avatar for Jim Williams
Jim Williams 2 days ago
Avatar for Un_Illuminate

So, I want to build what I think should be a relatively simple piece of equipment. You know how we pass signal through an 1176...

replies: 4 views: 375
Avatar for Cabirio
Cabirio 2 days ago
Avatar for TheVillageIdiot

I just went to fire up my RED Audio Type A tube mic and when I plug the 7 pin cable into the mic body the light on the power...

replies: 5 views: 972
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polimorfos 2 days ago
Avatar for Hoffmanwantsgear

Hi, does anyone have any experience or ideas regarding a Blue Bottle Rocket Stage 2 power supply, the red light turned to green...

replies: 15 views: 1,901
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polimorfos 2 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: 3 views: 475
Avatar for ruffrecords
ruffrecords 2 days ago
Avatar for salomonander

hey guys today i realized that my converters have some real serious issues (mytek 8x192). there is high frequency oscillation...

replies: 31 views: 1,560
Avatar for dreske
dreske 2 days 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: 8 views: 1,738
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imaginaryday 2 days ago
Avatar for Spano

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: 27 views: 2,473
Avatar for 12ax7
12ax7 2 days 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: 1,321
Avatar for tfgibbon
tfgibbon 3 days 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: 518
Avatar for rajaaudio
rajaaudio 3 days 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: 342
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Radardoug 3 days 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: 5,980
Avatar for Jim Williams
Jim Williams 4 days ago
Avatar for Animisha

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: 487
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Animisha 4 days 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: 1,805
Avatar for Rick Dalton
Rick Dalton 4 days 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: 590
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Thomas W. Bethe 4 days 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: 913
Avatar for chris661
chris661 4 days 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: 633
Avatar for plutoniq
plutoniq 4 days 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: 913
Avatar for mlukey
mlukey 5 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: 251
Avatar for turtlejon
turtlejon 5 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: 859
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housegezeichnet 6 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: 499
Avatar for MediaGary
MediaGary 6 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: 363
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lionel reed 6 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: 870
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cathode 1 week 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: 610
Avatar for Yoski
Yoski 1 week 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: 815
Avatar for bungee
bungee 1 week 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: 12,746
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Gae 1 week 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: 21,661
Avatar for M.Retra
M.Retra 1 week 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: 182
Avatar for octopi
octopi 1 week 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: 20,774
Avatar for DGByrne
DGByrne 1 week 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: 1,066
Avatar for KIDBILL
KIDBILL 1 week ago


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