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

Tim Farrant
replies: 1,163 views: 557,691
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YashN 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: 86 views: 120,812
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waveterm 25th December 2020
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DSP Innovations has recently launched a FREE data sheet search site. The site, - Search Electronic Components ,...

replies: 19 views: 56,677
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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: 45,721
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msbettyhunt 24th March 2020
Avatar for herrturtur

A friend asked me to "hardwire" a passive DI Box XLR output that serves as a "splitter" to a patch panel...

replies: 6 views: 120
Avatar for audiospecific
audiospecific 1 hour ago
Avatar for sparky88

Hey everyone, I've wanted a Danelectro Spring King reverb for a while now (mostly to record Ennio Morricone spaghetti western...

replies: 6 views: 2,118
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sparky88 1 hour ago
Avatar for gradivus

I'm at a new location and I've been having interference problems with my Electro Voice RE-20. Some of the noise turned out to be...

replies: 49 views: 576
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audiospecific 2 hours ago
Avatar for keeter

Hi does any have the service manual for the Sony C48? with full schematics and parts list? Also I need a new capsule for this....

replies: 4 views: 1,140
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Northamusi 2 hours ago
Avatar for JoyousSound

Just bought this wonderful quality drum machine, but it's making only snapping sound instead of drum sounds. Everything on the...

replies: 56 views: 8,061
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ohmstudiste 7 hours ago
Avatar for gradivus

I know audio cables should not be coiled or there can be inductance, but what about power cables? Can they create interference if...

replies: 1 views: 82
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gyraf 7 hours ago
Avatar for Murky Waters

Hello all, I have one (mono) strip (D225) on a DELTA DLX that leaks signal to the AUX4 send. Channel AUX4 pot fully off,...

Murky Waters
replies: 1 views: 97
Avatar for Jim Williams
Jim Williams 1 day ago
Avatar for ST.Studio

I'll be getting some CAPI kits soon and I'm wondering what the sonic differences are between these two opamps. Does anyone have...

replies: 4 views: 1,298
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Biosynth 1 day ago
Avatar for jerry

Hi. Hope someone can help me find a TASCAM connector. It's from a TASCAM MS 16 DBX jumper plug used when the machine is not using...

replies: 32 views: 1,306
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markbreecher 1 day ago
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Is there any DIY's doing the same do you think? Hans

replies: 24 views: 7,527
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Gigadead 1 day 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: 548 views: 371,973
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play.exe 1 day ago
Avatar for ebenfl0

I recently just purchased a Radial WR-8 Workhorse 500 Series Chassis ( I have just...

replies: 2 views: 125
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ebenfl0 2 days ago
Avatar for Melodicca

I need help, please. The Orion X console has a great quality sound. It is transparent. Sounds big and clean. Perhaps I am...

replies: 45 views: 8,415
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watsound 2 days ago
Avatar for Clbraddock

I’m modding a Leslie cab which has a crossover that is frequency dependent on the speaker impedance. I have an 8 ohm speaker...

replies: 4 views: 210
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audiospecific 2 days ago
Avatar for ScottBrio

Ok so I've got a back up pair of Event BAS 20/20s that I got for free on Facebook Marketplace. One of the amps is bad and won't...

replies: 1 views: 109
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Philbo King 2 days ago
Avatar for ifudontlikebees

Hey guys! Hope everybody is well. I bought a roland SH1000 recently in need of repair. It turns on but none of the tabs or...

replies: 1 views: 100
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ifudontlikebees 2 days ago
Avatar for Sailor Hope

Hi, today the front capsule(?), or, the gridded 3-4mm steel cap on the front of the mic, just fell off - and all the high end...

Sailor Hope
replies: 54 views: 8,905
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mkefabulous 5 days ago
Avatar for MainTime

I want to install Pan potentiometers into my passive summing box. The passive summing box has 16 input channels. It is assembled...

replies: 37 views: 2,789
Avatar for Matt Syson
Matt Syson 6 days ago
Avatar for wildplum

I am building some cables using Mogami W2930 and Neutrik NC3MXX-EMC. The W2930 has a shield and a drain wire. Normally, with...

replies: 3 views: 341
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Avatar for gravyhavok

Hey everybody! Currently rehabbing an old Soundtracs Topaz Project 8 32 channel. I'm having trouble tracking down service...

replies: 2 views: 190
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gravyhavok 1 week ago
Avatar for LincolnG

Hey, I wonder if anybody has come across this. I just got a new Mackie 1202VLZ4 and it seems to have quite a problem with...

replies: 45 views: 2,035
Avatar for audiospecific
audiospecific 1 week ago
Avatar for Clbraddock

Hello, Can anyone confirm what DBX models used the 200 VCA and 208 RMS found in the 160VU? I'm trying to find a couple for a...

replies: 6 views: 169
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Clbraddock 1 week ago
Avatar for imtheus3r

This year, I bought a new Neve 1073SPX and have used it on tracking sessions approximately 20 times total. I've used it to track...

replies: 2 views: 97
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imtheus3r 1 week ago
Avatar for starfield

does anyone know of a compatible replacement for a Roland Jupiter 8 power switch?

replies: 1 views: 471
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junglehs 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: 14 views: 4,005
Avatar for audiospecific
audiospecific 1 week ago
Avatar for sirjuxtable

Hey Geekz, I was gifted two Realistic Ultra Directional Electret Condenser Microphones. They appear to be battery powered...

replies: 17 views: 390
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sirjuxtable 1 week ago
Avatar for sports_poem

Howdy, I've got a 75' Rhodes MKI 73 that I've had for a couple years now. Came to me in somewhat rough shape, but I replaced...

replies: 2 views: 223
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arbor 1 week ago
replies: 5 views: 233
Avatar for audiospecific
audiospecific 1 week ago
Avatar for PurpleOhmAudio

Hi guys, Just been refurbishing an old Meridian 101 Preamp and have changed the power caps and refreshed some other...

replies: 7 views: 293
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JohnRoberts 1 week ago
Avatar for derrickhou

Hi everyone, For some reason my microphone (U87) has been making this buzzing noise while I'm recording (see attached audio...

replies: 1 views: 180
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audiospecific 1 week ago
Avatar for scokljat

Hi all, Very short version: If your 192 has problems from topic - replace component R1 (NTC thermistor) on PSU board. R1...

replies: 0 views: 95
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scokljat 1 week ago
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Anyone know if there is a way to join I registered almost a month ago and am still waiting on my account to be...

replies: 6 views: 287
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JohnRoberts 1 week ago
Avatar for jokeramik

Hi, if you need some informationes or schematics about amplifiers and other gear from the "Rundfunk- und...

replies: 2 views: 298
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jokeramik 1 week ago
Avatar for savs165

Hello - I am new to this site, and I'm not sure if this is the correct forum to post this on, but I thought I'd give it a...

replies: 1 views: 164
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rbbrchckn 1 week ago
Avatar for estudio19

Hi, Anybody has information/ schematics for the UNIVERSAL AUDIO 2100 Channel Strip? Thanks, Francisco

replies: 2 views: 3,290
Avatar for rubli
rubli 1 week ago
Avatar for crosscutred

Hello, I'm in the process of refurbishing a couple of Amek X-Series desks. They are great sounding and easy to work on The...

replies: 4 views: 406
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crosscutred 1 week ago
Avatar for fragletrollet

Hello! I've finally finished a project I've been working on (and off) for the last three years or so. It's great to finally put...

replies: 21 views: 2,012
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znjamznjam 1 week ago
Avatar for regebro

I have a Tascam M-2524, and the M-2500 series EQ usually gets comments from "It has an EQ" to "the EQ sucks"....

replies: 84 views: 7,899
Avatar for regebro
regebro 1 week ago
Avatar for danibert

Hey guys, I connected my Roland JV-1010 to line inputs of my interface but unfortunately the maximum recording level is quite...

replies: 14 views: 307
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Thomas W. Bethe 1 week ago
Avatar for trondl

I've recently gotten the mentioned unit plus a TR-707 and MKS-30 for a laugh. Today I tested it and it made sound for about a...

replies: 12 views: 2,361
Avatar for trondl
trondl 1 week ago
Avatar for Sumtn

Hi Does anyone out there have the schematics for the Korg CR-4 (4-track cassette recorder)? I can only find the user manual...

replies: 4 views: 1,993
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666 1 week ago
Avatar for Cursed Lemon

Having replaced my ENGL's tubes a few times and with a bunch of old tubes lying around taking up space - don't ask me why I kept...

Cursed Lemon
replies: 12 views: 398
Avatar for Thomas W. Bethe
Thomas W. Bethe 1 week ago
Avatar for danibert

Hi guys, just read something about the TAL DAC plugin, which emulates old vintage sampler hardware. It provides a AM6070 DAC...

replies: 1 views: 187
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oldgearguy 2 weeks ago
Avatar for gearstudent

Hello, Amazon has a fanless, portable battery-charged power supply. It says it can handle 300 watts of power draw, and will...

replies: 3 views: 179
Avatar for David Kulka
David Kulka 2 weeks ago
Avatar for tron23

I am working on this unit that has two broken switches, more specifically the SIP switch and Studio speakers switch. I guess...

replies: 3 views: 194
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tron23 2 weeks ago
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I am trying to locate the bin files for the presets ROMs in order to save a unit. I hope asking for the code is not a violation...

replies: 0 views: 120
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tron23 2 weeks ago
Avatar for BarryLimestone

Hi, I have a question, if this is stupid and ignorant please, do tell me straight up. Leaving aside costs/...

replies: 6 views: 168
Avatar for David Rick
David Rick 2 weeks ago
Avatar for DJKrishna

Hi finally manged to get hold of one of these rare units - but its in very bad condition and non-functioning. Getting the user...

replies: 5 views: 439
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lovekrafty 2 weeks ago
Avatar for piotr

This thread is for exchange and discussion of technical information regarding maintenance, tweaking, adjusting, and general care...

replies: 154 views: 36,237
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jack001 2 weeks ago
Avatar for Fummunda

One of the old "boat anchors" I have sitting idle in the studio is a 1960s Telefunken M10 two-track reel machine. I got...

replies: 20 views: 381
Avatar for Thomas W. Bethe
Thomas W. Bethe 2 weeks ago