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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: 555,349
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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: 119,955
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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: 56,238
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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: 45,278
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msbettyhunt 24th March 2020
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: 68 views: 1,651
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David Rick 5 hours 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: 0 views: 55
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undercoverhippy 6 hours 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: 4,605
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droveloder 7 hours 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: 44 views: 1,628
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enginefire 8 hours ago
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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: 124
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jaddie 11 hours ago
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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: 153
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kosmokrator 12 hours 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: 5 views: 5,495
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pavelmusic 22 hours ago
Avatar for TMI

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: 31,319
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drifter7508 1 day 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: 5,334
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Speedyloko 1 day ago
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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: 83
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spectrasound 1 day 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: 87
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Capashitor 1 day 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: 8 views: 2,658
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Graphik1200 1 day ago
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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: 76 views: 8,933
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JohnRoberts 1 day 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: 69
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bigcityrecordin 1 day 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: 7 views: 152
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Ted Krotkiewski 1 day 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: 82
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Aaron Rash 2 days 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: 0 views: 84
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Jidis 2 days 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: 241
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claudioferrari 2 days 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: 465
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Sweatervest 3 days ago
Avatar for tourtelot

I find that the diaphragm that I ordered from Madisound to replace a blown tweeter in my Hafler TRM6 does not seem to be the...

replies: 2 views: 101
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tourtelot 3 days ago
Avatar for timtoonz

I love my KSP8, and the remote is one of the best parts of using it. BUT recently the rubber bottom on the KSP8 remote has...

replies: 2 views: 580
Avatar for Blatboy
Blatboy 4 days 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: 3 views: 174
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lightnb 4 days ago
Avatar for Dr Funk

I have an EMT 240 goldfoil and Neve 1762 remote module, but no remote cable or pinouts for either one. I Googled but didn't...

Dr Funk
replies: 31 views: 6,713
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HansMues 4 days ago
Avatar for Phase Shift

Hello, We are in the process of adding a TT mic patchbay to our studio. We are gonna be using a solder type switchcraft...

Phase Shift
replies: 35 views: 5,854
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bmdaugherty 4 days ago
Avatar for Riley Casey

I've been fishing the web recently for info about capacitors for overhauling a forty year old tape machine and came across this...

Riley Casey
replies: 59 views: 2,007
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tINY 5 days ago
Avatar for 1fisch4

Hello, Would anyone be able to recommend more readily available, or cheaper alternatives to - Carnhill VTB9045 Carnhill...

replies: 2 views: 168
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1fisch4 5 days ago
Avatar for rockreid

Looks like some E-mu spare parts suppliers have dried up of old E-mu parts. I have been able to locate some proper NOS rotary...

replies: 1 views: 96
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Thomas W. Bethe 5 days ago
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Hi all,, I have a tascam us20x20 audio interface and recently have short circuited my laptop with the audio interface...

replies: 1 views: 97
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Thomas W. Bethe 5 days ago
Avatar for MatteoCT

Hi everyone. My Apollo Firewire burned after an electrostatic shock last week and, considering that I'm from Italy and the...

replies: 0 views: 80
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MatteoCT 5 days ago
Avatar for Nickerz

ADC design stuff we talk about a lot : chipsets, dc coupling, discrete design, power supplies etc. Things we don't talk about...

replies: 0 views: 83
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Nickerz 5 days ago
Avatar for General Malaise

Hello everybody. I have an A800 MKIII permanently stuck in Mute problem. The mute light is permanently on and the mute switch has...

General Malaise
replies: 4 views: 905
Avatar for Zeppelin
Zeppelin 5 days ago
Avatar for Sean B

I'm about to buy a Celestion Fullback to put in a cab I have and run a big old Red Knob Twin head through it. The amp has an...

Sean B
replies: 0 views: 100
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Sean B 6 days ago
Avatar for AuraCore

Hi all Maybe you can help me: I can't switch on my Lexicon MPX1 anymore. It's just as if it doesn't receive any power. I...

replies: 19 views: 6,929
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AdrianM55 6 days ago
Avatar for PartHunter

Hi People, Just wanting to check with knowledgeble folk out there with regard to speaker crossover caps, I'm going to replace...

replies: 18 views: 1,641
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pablometal 6 days ago
Avatar for Overmann

Hi, I'm trying to fix an old genlock (not quite music gear, but audio/visual for sure) and the faders are broken. They look...

replies: 4 views: 177
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cyrano 6 days ago
Avatar for MusicJOY

Forgive my mistake, Do you know more about fiber optic cables in microphones? Is the construction of such a cable the same as...

replies: 4 views: 212
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cyrano 6 days ago
Avatar for PJD3

Hello, I'm here to see if anyone knows of a good source for electrical information on well, specifically a Mackie CFX12 analog...

replies: 0 views: 74
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PJD3 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: 11 views: 227
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analogguru 1 week ago
Avatar for marcelorff

So ... I put a Bluetooth speaker inside one of those vacuum bags for clothes. When I took the air out of the bag, the sound...

replies: 3 views: 171
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CFB4 1 week ago
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Hi, I'm looking for an available SN7483J replacement for the MCI Autolocator 2 Thanks !

replies: 10 views: 214
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analogguru 1 week ago
Avatar for palebluedot

Digital EQ. Do all eq plugins use the same computational process? or do they vary?. I appreciate there is a difference...

replies: 0 views: 113
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palebluedot 1 week ago
Avatar for alexsandor

Hey all! Was hoping some of you might be able to offer some advice or your experience with repairing gear, or specifically with...

replies: 0 views: 91
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alexsandor 1 week ago
Avatar for dhmaya

I picked up a CPS 450 to replace a dying CPS 150 for my Delta 200 board. I am looking at the specs for the two psu's and can use...

replies: 16 views: 1,458
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Jim Williams 1 week 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: 49 views: 6,550
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RogerFoote 1 week ago
Avatar for jlsgear

Hi, Does anyone own or have opinions on the SPIRIT ABSOLUTE ZERO nearfield monitors ? A friend is offering them to me at a...

replies: 6 views: 20,524
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SympaSizer 1 week ago
Avatar for toddd_r

I love my Portico 5033, but it's got a terrible interface for mastering, which got me thinking, how do-able would a mod be to add...

replies: 7 views: 366
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Jim Williams 1 week ago
Avatar for szf

Hope someone has can help me on this.. *Sometimes when I switch on the synth it will reset a few times before I have touched...

replies: 6 views: 2,906
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Shenes 1 week ago
Avatar for musicmixer04

Anyone knows how to do this mod? I have read many places online that it will make the MA-8 sound better:) Cheers

replies: 0 views: 110
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musicmixer04 1 week ago
Avatar for Kaizerwulf

Hey guys, this may be a silly question but... I was plugging my electric guitar into the focusrite scarlett 18i20 and as I...

replies: 0 views: 115
Avatar for Kaizerwulf
Kaizerwulf 1 week ago
Avatar for danjp

I have a Lexicon MPX-1 that is dying on boot up. When first powered on, all the LEDS light up and then it begins the boot...

replies: 9 views: 804
Avatar for AdrianM55
AdrianM55 1 week ago