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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: 1,162 views: 555,874
Avatar for DGL
DGL 27th February 2021
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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: 120,174
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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: 56,373
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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: 45,400
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msbettyhunt 24th March 2020
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: 41 views: 8,131
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watsound 2 hours ago
Avatar for mr.danielnewell

Hello all! I've been looking around and I can't seem to find anything about replacing the backlight/screen for the Roland...

replies: 0 views: 33
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mr.danielnewell 2 hours ago
Avatar for dysamoria

I happened to look at my one rack of gear a little while ago and saw something that totally blew my mind: My Peavy Trans-Tube...

replies: 3 views: 81
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loujudson 3 hours ago
Avatar for catscurlyear

hi there,i have a Fostex DMT8 multitrack recorder which, after powering-up today , displayed a "no disk" message i...

replies: 22 views: 4,257
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robotsyndicalist 7 hours ago
Avatar for Shot

Hi all! I got a Ensoniq DP4+ the other day and it is malfunctioning. I need to diagnose what might be the problem. First and...

replies: 5 views: 2,616
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johans121 8 hours ago
Avatar for Piyono

Today I serviced my first-gen Mackie CR-1604 VLZ for the first time since I bought it new in 1998. After sitting in storage...

replies: 3 views: 131
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edva 8 hours ago
Avatar for zqone537

Hey, I have bought a pair of RFZ AU35 transformers and in need of a pinout diagram. Any help would be greatly appreciated. ...

replies: 1 views: 201
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jokeramik 12 hours ago
Avatar for tenkas

Hi, I am using KH310 in my home studio and everytime the neighbour opens the led lights that are on dimmers (he is one level...

replies: 3 views: 127
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tenkas 12 hours ago
Avatar for Northamusi

I'm looking for replacements for the encoder shown in these pictures. There's an ID number embossed in the plastic (impossible to...

replies: 8 views: 361
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ColiColbert 13 hours ago
Avatar for Ted Krotkiewski

Hello dear Space friends. I am trying to get my head around Impedance and how to "control it". I am currently...

Ted Krotkiewski
replies: 15 views: 331
Avatar for Ted Krotkiewski
Ted Krotkiewski 17 hours ago
Avatar for jesseber

I recently purchased some bulk Mogami W2524 under the impression that I could solder them to Neutrik NYS228 1/4" TRS...

replies: 4 views: 101
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jesseber 22 hours ago
Avatar for Moulin

Hi I have as simple question that may lead into a more complicated one: Is it basically possible to merge two stereo TRS...

replies: 19 views: 575
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ruffrecords 1 day ago
Avatar for Jidis

It's a Tascam 122mkII. After fixing about five other problems, the deck is dropping into stop after about ten seconds of play, or...

replies: 6 views: 215
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Jidis 1 day ago
Avatar for Guitfiddle

Does anyone know where I can find some transformers for the VX? I am looking into some mods for the channels for this console. ...

replies: 6 views: 2,272
Avatar for Riley Casey
Riley Casey 1 day ago
Avatar for yal

Just bought this cool 9 Chanel mixer ,I really hope that somebody here has a user manual, service manual, or schematics

replies: 9 views: 5,582
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pavelmusic 1 day ago
Avatar for served

Hi. Doing some repairs on Dynaudio BM6A. Lots of information on the internet for bad relays but nothing more. Speakers have...

replies: 27 views: 11,571
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Stack_Shack 1 day ago
Avatar for HourglassStudios

I just bought A cheap "vintage" grundig microphone from the 'bay, a really nice little grundig mic from 1959...

replies: 19 views: 15,577
Avatar for bleachboy
bleachboy 1 day ago
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Wow this thing looks like it could be real cool (... for a vintage solid state console). Lots of potential anyway to have fun. It...

jml designs
replies: 2 views: 104
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jml designs 1 day ago
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Hey All, Sorry - not sure if this is the best forum to post this, but seemed like the most likely. I have a not so young Senn...

replies: 1 views: 70
Avatar for Radardoug
Radardoug 1 day ago
Avatar for lightnb

I intend to built a power supply to run Eurorack synth modules, one for bench with a single output (to test new modules that I...

replies: 4 views: 239
Avatar for Orson Maxwell
Orson Maxwell 1 day 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: 0 views: 77
Avatar for Clbraddock
Clbraddock 2 days ago
Avatar for GusMachado

Just moved to a new apartament, set up my old gear in a new room and turns out that now I'm receiving an unbearable amount of...

replies: 79 views: 2,030
Avatar for Aaron Rash
Aaron Rash 2 days ago
Avatar for realrecording

Hello all, Any help would be appreciated. I use a Shure MX418D/N Talkback mic for studio talkback. The dip switches are set...

replies: 0 views: 79
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realrecording 2 days ago
Avatar for kennybro

Seeking some advice, please, from the master electronics pros here... I have a Hammond XM-2 organ module that will not power...

replies: 5 views: 181
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kennybro 3 days ago
Avatar for soundrick

I have seen some of you guys are members of GroupDIY as well.... I have tried to register on this site with ZERO success. Is...

replies: 80 views: 9,082
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JohnRoberts 3 days 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: 22 views: 7,627
Avatar for ohmstudiste
ohmstudiste 3 days ago
Avatar for gdchamberlin

Hi all, I have an old Astatic d104 with a T-UG8 stand. It has a 4 pin cable out. I'd love to be able to use it for stylized...

replies: 3 views: 143
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Thomas W. Bethe 3 days ago
Avatar for undercoverhippy

Hey all, I have a pair of KRK Rokit RP5's (the first iteration) which are about 15 years old now and still going strong. But...

replies: 5 views: 191
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MAXTHEDOG 3 days ago
Avatar for flashlamp

Hi does anyone have the electrical schematic for the nady trm6? either the orginal or can they draw it if they own that...

replies: 0 views: 75
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flashlamp 4 days ago
Avatar for OldManLex

I own a PCM 70, which is a great piece of gear. Mine has V2 proms, and I have the V3 proms as well. There is fierce debate...

replies: 1 views: 106
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Radardoug 4 days 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: 29 views: 4,749
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fynsta 4 days ago
Avatar for recordinghopkins

Tonight the 17v +/- lights went out on my power supply. I have yet to remove it from the rack, but I was curious to see if anyone...

replies: 163 views: 31,474
Avatar for Matt Syson
Matt Syson 4 days ago
Avatar for lemix

Would some of you cool people help me find manufacturing date of my Neumann KM86i microphone ? Serial # 4932 Many thanx,

replies: 4 views: 130
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Thomas W. Bethe 4 days ago
Avatar for Channel time

Hey there, Does anyone know any details for where to get the part # or any useful leads on a replacement rocker power switch...

Channel time
replies: 5 views: 655
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euphoria89 4 days ago
Avatar for MYN

Was reading the preview of that old Tape Op article about adding a transformer into the chain to induce more color/mojo. Using...

replies: 51 views: 6,735
Avatar for RogerFoote
RogerFoote 5 days ago
Avatar for soul.

Happy new year, Gearslutz! I need some help with my 1176 that stopped passing signal recently. I have confirmed it powers up,...

replies: 45 views: 1,737
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soul. 5 days ago
Avatar for byz

Hi I have 24/8/2 Soundcraft Venue 2 desk that I'd like to mod a bit. I already recaped the whole desk (Nichicon PW +...

replies: 3 views: 198
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byz 5 days ago
Avatar for Billy Nojokes

no matter what cables i use, no matter what inputs im goin in or what out put im using theres a noisy hum in my mfc42... makes it...

Billy Nojokes
replies: 10 views: 2,707
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Graphik1200 6 days ago
Avatar for sirjuxtable

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

replies: 14 views: 299
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sirjuxtable 6 days ago
Avatar for pianohead

I have a Roland Jupiter 6 that has a tuning issue. Oscillator 6 VCO 1 will not tune to the rest of the synth. It has been to a...

replies: 28 views: 4,652
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droveloder 1 week ago
Avatar for grimnebluna

Hi gearspace Soo, i'm opening up this thread again in the GeekZone. I'm thinking of buying a couple of smart plugs to power...

replies: 4 views: 169
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jaddie 1 week ago
Avatar for kosmokrator

Hey guys, would need someone experienced to do some work on a MassivePassive EQ and a Tubetech CL2A. MP: One side seems to...

replies: 1 views: 195
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kosmokrator 1 week ago
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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: 136 views: 31,463
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drifter7508 1 week ago
Avatar for Dreamsindigital

So I picked up an "as-is" Boss DR-202 on the bay for $30 and am hoping to get it working. I doubt these are available,...

replies: 6 views: 5,374
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Speedyloko 1 week ago
Avatar for spectrasound

I bought a Hammond C3 organ with a very new Leslie 122A. When stereo mixing the cabinet the right side mic always exhibits...

replies: 2 views: 127
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spectrasound 1 week ago
Avatar for Capashitor

Recently a user pm'd me about specifics regarding the midas venice 1st gen console, so I thought I'd share my current project as...

replies: 0 views: 145
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Capashitor 1 week ago
Avatar for bigcityrecordin

Does anyone know how to calibrate a Summit Audio EQP 200-A? I need to align the L/R channels - they're about .4dB off from each...

replies: 0 views: 109
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bigcityrecordin 1 week ago
Avatar for Aaron Rash

Hi, So I've just picked up a Adcom GFA 545 II to use with my NS-10's, it sounds amazing, except it's picking up a lot of...

Aaron Rash
replies: 0 views: 119
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Aaron Rash 1 week ago
Avatar for claudioferrari

Hi guys I've posted this at another sub forum, I hope this is the right place for the thread. My Roland JV1080 keeps turning...

replies: 2 views: 271
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claudioferrari 1 week ago
Avatar for madriaan

Yeah me too! I started doing studio work in the 90’s when tape machines were still being used quite a bit (along with ADAT) and...

replies: 8 views: 510
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Sweatervest 1 week ago