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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: 1,117 views: 497,658
Avatar for chipss36
chipss36 1 week ago
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: 98,868
Avatar for hebjam
hebjam 30th August 2019
Avatar for gabriel1

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

replies: 16 views: 47,221
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: 36,201
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for phatjones

I recently purchased a used Focusrite isa 828 w/ AD card. This thread is what I've experienced with the unit. Any help in...

replies: 43 views: 10,366
Avatar for Wasaia
Wasaia 32 minutes ago
Avatar for Fcerha

I have a DX7 Mk1 in good condition that I plan to sell. But there is a pot on it that I don´t see when I google the synth. I...

replies: 0 views: 57
Avatar for Fcerha
Fcerha 2 hours ago
Avatar for FrequentSea

Hey!! cooge Can anyone help me work out what power supply this unit needs? I scored this old mixer a couple of weeks ago but i...

replies: 2 views: 164
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FrequentSea 3 hours ago
Avatar for 10tonsplash

Is it correct to add up the power consumption for each piece of equipment to find the proper voltage convertor?

replies: 0 views: 103
Avatar for 10tonsplash
10tonsplash 8 hours ago
Avatar for dragonslair

I'm looking for some parts for my YC45D. Ribbon controller, or just the spring (I know I'm dreaming on this...) Frequency...

replies: 0 views: 170
Avatar for dragonslair
dragonslair 14 hours ago
Avatar for shahstlz

Hello there, I try to replace the 1178's pots with stepped attenuators. The 1k input pots are wired with the screen to the...

replies: 26 views: 505
Avatar for shahstlz
shahstlz 16 hours ago
Avatar for steffrhys1@mac.c

Hi, I have a Rode Classic II which stopped working. I had 2 problems, one was that the cable on the microphone end was...

[email protected]
replies: 1 views: 189
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[email protected] 21 hours ago
Avatar for seaborg

This is a guide for replacing the screen in the Akai S900/950. The lcd screen was $8 it is a blue background with white script,...

replies: 9 views: 1,923
Avatar for John Difool
John Difool 23 hours ago
Avatar for autodefe

Hi! I bought a second hand G16 Dolby C version, and it had the typical slow rewind problem. So i decided to clean the reel...

replies: 4 views: 626
Avatar for autodefe
autodefe 1 day ago
Avatar for Bitsmith

anyone know what an 'error 30' is ?? Basically i'm getting all front panel lights etc but then the unit throws a '30' error code...

replies: 10 views: 323
Avatar for bgood
bgood 1 day ago
Avatar for Ted Krotkiewski

Hi friends. I have a beautiful Raindirk Mini Mixer from 1973. This is a smaller broadcast version of the more famous "Series...

Ted Krotkiewski
replies: 9 views: 367
Avatar for enginefire
enginefire 1 day ago
Avatar for Dr40watt

I'm considering converting attributes of an old analog mixer into a midi controller please forgive me because some of these...

replies: 1 views: 256
Avatar for tame1
tame1 1 day ago
Avatar for okkokkokko

Welcome to exactly what the title of this thread suggests! And let me go straight to the disclaimer for all you millennial-,...

replies: 63 views: 4,791
Avatar for 2Low
2Low 1 day ago
Avatar for dannykorrson

I recently got gifted a Juno 6 which shows some funny behaviour after warming up for 5 minutes. one envelope Generator starts to...

replies: 0 views: 188
Avatar for dannykorrson
dannykorrson 1 day ago
Avatar for Hottlungs

I just picked up a mackie control universal controller with one mackie control xt expansion controller. Each are having issues...

replies: 8 views: 1,581
Avatar for Rexesq
Rexesq 2 days ago
Avatar for locojohn

Dear all, I am trying to find schematics of the soviet analog monosynth Алиса 1387 (Alisa 1387). I was able to locate...

replies: 0 views: 185
Avatar for locojohn
locojohn 2 days ago
Avatar for castudioman

Hey all, originally posted this in the So Much Gear, So Little Time sub-forum and have had no luck. Basically, have an...

replies: 1 views: 533
Avatar for fredmant
fredmant 2 days ago
Avatar for dlmorley

I'm thinking of setting my A77 up as a tape delay but it doesn't have varispeed to adjust the timing. Is there a simple mod I can...

replies: 12 views: 6,471
Avatar for Jay Rose
Jay Rose 3 days ago
Avatar for Chagalj

There has been alot of talk about importance of conversion in recording chain, and lots of people want to know which AD/DA chip...

replies: 442 views: 297,996
Avatar for byz
byz 3 days ago
Avatar for nlog79

Hi everybody! I have a TL Audio dual pentode preamplifier (I think is the PA1 first version, without the meters), that has a...

replies: 0 views: 180
Avatar for nlog79
nlog79 3 days ago
Avatar for sameal

I just grabbed this white eq without a power supply. The pin out shows chassis and +/-18vdc, fair enough. But then there are two...

replies: 3 views: 192
Avatar for sameal
sameal 3 days ago
Avatar for drzygote

Hi, I'm looking for someone who has knowledge of studer mixers in London, preferably 961/962. Thanks A

replies: 0 views: 200
Avatar for drzygote
drzygote 3 days ago
Avatar for gilligan8

I know that seems like an odd question, but I have an XR12 and I'd like to avoid using batteries to power some microphones that I...

replies: 5 views: 286
Avatar for nosebleedaudio
nosebleedaudio 3 days ago
Avatar for Mr. Brokenamp

Anyone out there have a schematic for this little mixer they could share with me?

Mr. Brokenamp
replies: 0 views: 204
Avatar for Mr. Brokenamp
Mr. Brokenamp 4 days ago
Avatar for nucelar

Hi all, Since TL Audio are out of business I don't know who to ask. I would need a service manual /schematic for a TL Audio...

replies: 12 views: 6,718
Avatar for stella645
stella645 4 days ago
Avatar for David Kulka

Has anyone come across any kind of 2-channel shielded audio cable with a white jacket? I want some for a long cable run that...

David Kulka
replies: 16 views: 525
Avatar for samwinston123
samwinston123 4 days ago
Avatar for suburbandit

Hi All, I'm looking to build an attenuation pad for a DIY microphone splitter (something not unlike the Radial JS3. I...

replies: 1 views: 206
Avatar for Jay Rose
Jay Rose 4 days ago
Avatar for Beucepholis

Hi All, For reasons I won't go into, I need to allow instrument cables to be left plugged into guitar amplifiers without causing...

replies: 9 views: 282
Avatar for David Kulka
David Kulka 5 days ago
Avatar for Keepintime

Hello. One of the channels in my 3124 is no longer putting out signal. I’ve been running a Yamaha Subkick through it with the...

replies: 5 views: 416
Avatar for Keepintime
Keepintime 5 days ago
Avatar for Doc B.

I am trying to find a source for the 11 pin female tray connector for a Langevin 5116B module. The stock connector appears to be...

Doc B.
replies: 3 views: 540
Avatar for David Kulka
David Kulka 5 days ago
Avatar for ST.Studio

Hey slutz, I recently overhauled a PM-1000 by recapping and installing transformer direct outputs on each channel. The direct...

replies: 1 views: 216
Avatar for enginefire
enginefire 5 days 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: 4 views: 1,020
Avatar for rockmanrock
rockmanrock 6 days ago
Avatar for auddoc

Does anyone out there have the service manual or schematics for the TC Electronics 2290/ w sampling option? thanks,

replies: 11 views: 6,666
Avatar for Bitsmith
Bitsmith 6 days ago
Avatar for coldvodka

hi, i'm trying to make a line attenuator to use between my monitor controller and speaker amp. so it would go like this;...

replies: 16 views: 436
Avatar for coldvodka
coldvodka 6 days ago
Avatar for optofonik

One of these is "quieter" than the other but I can't tell which. How does impedance and output level of one spec...

replies: 3 views: 360
Avatar for Jay Rose
Jay Rose 6 days ago
Avatar for aaronmcphee

Hi all you DIY peeps. I am embarking on my first DIY build of the GSSL compressor after reading many threads on here &...

replies: 14 views: 1,570
Avatar for gyraf
gyraf 6 days ago
Avatar for Kev At Soundbite

The peak meter in samplitude has stopped displaying the digits at the far end of the meter. The meter still shows the output, but...

Kev At Soundbite
replies: 0 views: 214
Avatar for Kev At Soundbite
Kev At Soundbite 6 days ago
Avatar for Roman English

Hey there wise folks, need your advice. We have burl b2 ADC, which has a problem. When we go into unit, left channel is 2.5...

Roman English
replies: 9 views: 1,573
Avatar for willyk
willyk 1 week ago
Avatar for marcus_k

Hi guys - I just moved to a new place (i'm in CA, USA) and all of my guitars and amps are now picking up quite a nasty bit of...

replies: 16 views: 386
Avatar for floomby
floomby 1 week ago
Avatar for enginefire

So... 2 years ago I started refurbishing this board. Got it done too, except for a few things. I had Most but not all the nuts...

replies: 1 views: 347
Avatar for enginefire
enginefire 1 week ago
Avatar for Barry M

Hey all, looking for advice on rigging up a remote talkback button for an API 1608ii console. I see the console has a 5-pin XLR...

Barry M
replies: 0 views: 212
Avatar for Barry M
Barry M 1 week ago
Avatar for owai

Hello, I'm trying to fix a Roland HP 2900g, but i can't find a schematic or a service manual. A small transistor...

replies: 8 views: 2,008
Avatar for CharlesFr
CharlesFr 1 week ago
Avatar for whinylittlerunt

Last week I took apart my EP-3 motor to give it a good cleaning and then re-greased the shaft, etc. Put it all back together. ...

replies: 7 views: 1,339
Avatar for Lunatic studio
Lunatic studio 1 week ago
Avatar for Brian M. Boykin

I have a 77 MCI JH16 I’ve been restoring and noticed this mod on 8 of the 24 control cards. All the tants have been replaced...

Brian M. Boykin
replies: 4 views: 366
Avatar for Brian M. Boykin
Brian M. Boykin 1 week ago
Avatar for jemaudio

Hey Guys Im wondering if anyone has any diagrams on how D-Sub wiring should be done, have a client that is asking about it at...

replies: 8 views: 4,971
Avatar for chrisdude
chrisdude 1 week ago
Avatar for rudie152

I am using the line amps of the ampex 354 to tracks synths and drum machines, but 1 of the channels does not seem to work...

replies: 4 views: 1,813
Avatar for Jay Rose
Jay Rose 1 week ago
Avatar for dwpthe3rd

Deleted due to lack of response

replies: 6 views: 427
Avatar for dwpthe3rd
dwpthe3rd 1 week ago
Avatar for althemusicwizard

Hi, A couple of months back I bought a Soundcraft Spirit Auto 24 which as you probably know is a rather rare beast and in need...

replies: 0 views: 211
Avatar for althemusicwizard
althemusicwizard 1 week ago
Avatar for laperlestudio

Hi, I have a problem with my eventide H949, it keeps feedbacking on itself, I had sent it to beamish, but he is not reply to my...

replies: 2 views: 431
Avatar for laperlestudio
laperlestudio 1 week ago
Avatar for Gab_Azz

I am not sure that I am posting it the right section of the forum. I have a Focusrite 18i20 and it was working last time I...

replies: 8 views: 2,388
Avatar for Ryanmartindrums
Ryanmartindrums 1 week ago


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