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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: 66 views: 83,110
Avatar for Philbo King
Philbo King 11th August 2018
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: 1,071 views: 453,598
Avatar for gyraf
gyraf 3rd August 2018
Avatar for gabriel1

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

replies: 16 views: 39,855
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: 28,737
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for Rocco NB

Hi all! Please forgive me and help point me in the right direction if this is the wrong spot to post or if it's been...

Rocco NB
replies: 0 views: 1
Avatar for Rocco NB
Rocco NB 17 minutes ago
Avatar for VitaEtMusica

Does anyone know if the microphone-parts RK-12 (sold on for $159) and the Rayking RK12 (sold on Alibaba for...

replies: 23 views: 953
Avatar for Brian M. Boykin
Brian M. Boykin 25 minutes ago
Avatar for Brian M. Boykin

Doing some mods to my DBX163x’s and the second one has some cooked caps. They look like big ceramics or poly’s but the noob I...

Brian M. Boykin
replies: 8 views: 253
Avatar for Brian M. Boykin
Brian M. Boykin 39 minutes ago
Avatar for dude24man

Looking for 1 or 2 dbx AB-1 balancing boards for the dbx 160x. PM me Thanks Arthur

replies: 3 views: 141
Avatar for dude24man
dude24man 1 hour ago
Avatar for Alexander_Music

Hello ! I want to build a pair of very good studio monitors, something like: Barefoot mm 35 Kii Three Dutch & Dutch...

replies: 27 views: 829
Avatar for Jim Williams
Jim Williams 1 hour ago
Avatar for BillyP.

I have access to some old studio equipment that I can get to refurbish since it is not, nor has been used for a very long time....

replies: 9 views: 184
Avatar for BillyP.
BillyP. 1 hour ago
Avatar for wiz1der

Anyone know of an Otari tech in So Cal that will make a housecall? I have an Otari MX80 24 track that I would like to get...

replies: 9 views: 493
Avatar for Jim Williams
Jim Williams 1 hour ago
Avatar for Samando

Does anyone know if the danish NTP brand has got any led VU-meters? All I keep finding are real nicelooking PPM meters, like...

replies: 17 views: 525
Avatar for jaddie
jaddie 4 hours ago
Avatar for szegedin

Putting aside for a moment the issue of different threads and whether a capsule can actually be screwed on to a different preamp;...

replies: 0 views: 136
Avatar for szegedin
szegedin 15 hours ago
Avatar for Rufuss Sewell

A couple weeks ago my Nord Lead 3 pitch stick stopped working. I contacted Nord and they sold me a new stick for $105....

Rufuss Sewell
replies: 0 views: 124
Avatar for Rufuss Sewell
Rufuss Sewell 16 hours ago
Avatar for MYN

I built the Poctop D87 from VintageMicrophonePCBKit and I think it sounds pretty great. My one criticism is that I'd like it to...

replies: 74 views: 1,439
Avatar for Brian M. Boykin
Brian M. Boykin 1 day ago

Hi everybody! I want to make a speech synthesizer based on patent EP 0396141, it uses the Votrax SC-02 chip (if you know the...

replies: 3 views: 929
Avatar for sleat
sleat 1 day ago
Avatar for szegedin

.. and if so, what is it? I'm pretty sure there is no answer for this, but I thought I would punt it out there. I hear about...

replies: 24 views: 455
Avatar for monomer
monomer 1 day ago
Avatar for nucelar

I have an U87Ai which must be around 10-12 years old, using it almost around-the-clock for voiceovers . It works just fine but i...

replies: 1 views: 200
Avatar for Radardoug
Radardoug 1 day ago
Avatar for Machine Gene

Greetings forum. Please forgive me if this is the wrong area to post this question. I've been reading GS for years but I barely...

Machine Gene
replies: 1 views: 241
Avatar for TSM
TSM 1 day ago
Avatar for analogTinkerer

Hey all, I was recording some bass on my Otari mx5050 1/2" 8 track machine when I noticed a strange ugly sounding...

replies: 10 views: 344
Avatar for Jim Williams
Jim Williams 2 days ago
replies: 23 views: 775
Avatar for kirkus
kirkus 2 days ago
Avatar for filmcomposer

One of the peak level (VU) meters in my Focusrite ISA 428 has stopped moving. The needle won’t jump when a signal is fed...

replies: 3 views: 578
Avatar for MikeyMoo
MikeyMoo 2 days ago
Avatar for afonso

Hello forum! I have recently acquired a Studer 962 (i have been looking for one for the past 8 years). It was in an old...

replies: 4 views: 1,923
Avatar for Jumpy
Jumpy 3 days ago
Avatar for hebjam

I have a 4 channel Reliqua based 312 clone. It has an external power supply. Because only two channels work well i was...

replies: 1 views: 211
Avatar for hebjam
hebjam 3 days ago
Avatar for hebjam

I have a 4 channel Reliqua based 312 clone. It has an external power supply. Because only two channels work well i was...

replies: 0 views: 205
Avatar for hebjam
hebjam 3 days ago
Avatar for Mr. Bars

Hello friends, I have a lot of various high-end analog gear in my studio and in most of its manuals in adjustment and...

Mr. Bars
replies: 6 views: 360
Avatar for Mr. Bars
Mr. Bars 3 days ago
Avatar for macmini

I'm using a Groove Tubes CL1s Compressor/Limiter in studio and I want to calibrate the tubes of the CL1s ... so I need the right...

replies: 10 views: 2,417
Avatar for T-Stag
T-Stag 3 days ago
Avatar for Teej

I need to get a couple IM07TS relays for a project and mouser is out of stock. I'm totally green to sourcing parts for a build...

replies: 8 views: 529
Avatar for Richard Crowley
Richard Crowley 3 days ago
Avatar for Patrick H

Hi all. Im having an ongoing issue with noise. This noise happens randomly and occurs for 5-10 seconds at a time - 2-10 times a...

Patrick H
replies: 27 views: 514
Avatar for norfolk martin
norfolk martin 3 days ago
Avatar for Moulin

Hi dear community. Sorry to bring up an old topic but this one has not been solved yet: My Holy Grail Reissue broke. It looks...

replies: 2 views: 284
Avatar for Moulin
Moulin 4 days ago
Avatar for grs

When I turn on my Roland SH-101 the Key Transpose LED flashes quickly then the Hold LED/function comes on and will not turn off....

replies: 1 views: 278
Avatar for monomer
monomer 4 days ago
Avatar for daniel.mixer

Hey guys, Just picked up a Sony AC-148A phantom power supply off eBay, and I'm having some over-voltage issues. Measuring...

replies: 7 views: 1,950
Avatar for jaddie
jaddie 4 days ago
Avatar for Zlive

I have a tascam dm 3200 a tascam iffdmwk 2 And a motu 2408 and pcie card for it on win 10 64bit. Ineed anyone who can help...

replies: 0 views: 259
Avatar for Zlive
Zlive 4 days ago
Avatar for szegedin

Is that possible, on a 'moddable' mic? There are mics I like, but would trade headroom for sensitivity if that was feasible,...

replies: 5 views: 451
Avatar for wrgkmc
wrgkmc 4 days ago
Avatar for SpaceShipStudio

Greetings Collective Powers of Knowledge, I am trying to save this ole guy from the trash bin, If anybody has any leads on the...

replies: 3 views: 1,397
Avatar for Yug
Yug 5 days ago
Avatar for SoothsayerRec

First of all, sorry for the inconvenience, I have nowhere else to go and I'm pretty confused. I have a Warm Audio Wa-12 mic...

replies: 5 views: 303
Avatar for SoothsayerRec
SoothsayerRec 5 days ago
Avatar for gradivus

Curious what you seasoned guys do to safely discharge capacitors and if you use one method or several depending on the size and...

replies: 73 views: 1,966
Avatar for nosebleedaudio
nosebleedaudio 6 days ago
Avatar for elgordito

Hi everyone, I want to switch between two sources to my balanced monitors (L/R). My two sources are also balanced, my...

replies: 15 views: 375
Avatar for Matt Syson
Matt Syson 1 week ago
Avatar for Brian M. Boykin

I’m trying to ballpark how many amps a new power supply needs to be for my console after all the new opamps are in. So for an...

Brian M. Boykin
replies: 5 views: 334
Avatar for Cozmik Prod.
Cozmik Prod. 1 week ago
Avatar for slutter

Hi All, I've inherited an old school Yamaha EM-200 with a pair of S0140H cabinets. Looks SUPER cool. I've reached out to...

replies: 1 views: 261
Avatar for slutter
slutter 1 week ago
Avatar for thermal

I am trying to replace the cable/minijack assembly on my Beyerdynamic DT990's and have obviously resoldered the thing...

replies: 3 views: 277
Avatar for thermal
thermal 1 week ago
Avatar for Papabear

hello i recently bought a jx305 really cheap and im in the process of repairing it now. the problem is that some of the push...

replies: 5 views: 1,292
Avatar for Mandala69
Mandala69 1 week ago
Avatar for dfchandler

Anyone know what brand of fuse holder are used in the Scamp Power Supply? I need one. Thanks. Denny

replies: 4 views: 336
Avatar for dfchandler
dfchandler 1 week ago
Avatar for David Kulka

A friend tells me that people are starting to use standard CAT-5 data cable for balanced analog and digital audio wiring, with...

David Kulka
replies: 99 views: 21,227
Avatar for Muser
Muser 1 week ago
Avatar for farmpedals

Howdy, I'm interested in building a neve di to fiddle around with... has anyone found a parts layout or schematic for their...

replies: 12 views: 2,099
Avatar for elgordito
elgordito 1 week ago
Avatar for Heph333

I just picked up a N.O.S Schecter Hellraiser HR-100-H head. It's brand new in box, never been assembled. Complete, except for the...

replies: 2 views: 312
Avatar for Heph333
Heph333 1 week ago
Avatar for Pomello

I need schematics to fix this unit.Thanks in advance

replies: 10 views: 2,810
Avatar for JoeCT
JoeCT 1 week ago
Avatar for monstermusiker

Hi there! I have an Alesis AM 62 tube mic with the gt psm1 powersupply. Both have 6-pin xlr connections and I am missing that...

replies: 3 views: 1,558
Avatar for jewell
jewell 1 week ago
Avatar for J.F.K

How much does an Amek recall with 56 rn channelstips weigh? I have searched everywhere and can not find any number for what...

replies: 6 views: 1,473
Avatar for Matt Syson
Matt Syson 1 week ago
Avatar for credo23

Hey guys! I just bought an Alesis Quadraverb+ and had some fun with it yesterday (perfectly working). After restarting it...

replies: 4 views: 375
Avatar for Skip Burrows
Skip Burrows 1 week ago
Avatar for drezz

Hi, I accidentally reversed the polarity on my universal PSU and plugged it into my holy grail reverb pedal and now it does not...

replies: 8 views: 6,128
Avatar for Moulin
Moulin 1 week ago
Avatar for mightyeskimo

Hi All! I'm wondering if I can sample a signal with a frequency just outside my o-scopes listed bandwidth? The signal should...

replies: 9 views: 444
Avatar for mightyeskimo
mightyeskimo 1 week ago
Avatar for DomiBabi

I hope I’m posting this in the right area. So, anyone eyeing this lately? Looks like Korg is taking consult requests and...

replies: 3 views: 293
Avatar for tINY
tINY 1 week ago
Avatar for suburbanbeat

Hi all. Got my solder iron, practiced a bit, and am getting ready to make the GliGli mod for the Prophet 600, which just involves...

replies: 7 views: 548
Avatar for Richard Crowley
Richard Crowley 1 week ago


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