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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: 1,138 views: 529,648
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msbettyhunt 4 weeks ago
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DSP Innovations has recently launched a FREE data sheet search site. The site, - Search Electronic Components ,...

replies: 19 views: 52,456
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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: 41,542
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msbettyhunt 24th March 2020
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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: 78 views: 112,111
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msbettyhunt 3rd March 2020
Avatar for Maxir4k

Hi! Hope you all doing good these hard and strange times. I have a issue with a DJ mixer I got and I treasure, it is a Behringer...

replies: 3 views: 114
Avatar for enginefire
enginefire 31 minutes ago
Avatar for amu

Hi everyone, My Alesis M1 Active 360 died while giving off burnt plastic smell. The attached image shows the only place on the...

replies: 2 views: 114
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amu 43 minutes ago
Avatar for megatonemark

Hi guys and gals, Quick question. I have just built my first diy project, an AML ez1073 pre. I'm at the calibration stage...

replies: 16 views: 3,122
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Solderfreak 1 hour ago
Avatar for oxide54

hi, I am building a rack mount unit, i bought a IEC connector for the mains, that has a builtin 120/240 switch on the back on...

replies: 12 views: 8,174
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aries1470 2 hours ago
Avatar for stevo991

I would like to start a thread for all of you slutz out there that has any info or schematics on AMEKS BIG, Recall, and 501 by...

replies: 35 views: 4,554
Avatar for Matt Syson
Matt Syson 4 hours ago
Avatar for jml designs

Hi I have an h949 I got fairly cheap ($850). The seller said the “master” pot was a little dirty and needed to simply be...

jml designs
replies: 0 views: 84
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jml designs 12 hours ago
Avatar for jrmprod

Hi, Anybody got a line on a capsule for the Sennheiser 409? Trying to resurrect a 409 that needs some help. Thanks in...

replies: 0 views: 79
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jrmprod 13 hours 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: 489 views: 325,209
Avatar for madriaan
madriaan 1 day ago
Avatar for Tschibo00

Hey there, long time lurker, first post :-) I scored a pretty beat up Mackie CR1604 which is showing strange behaviour on three...

replies: 0 views: 124
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Tschibo00 1 day ago
Avatar for stixstudios

We just had a "brown-out" here. The power went off for about a minute. It got me thinking that I should have a...

replies: 13 views: 289
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Muser 1 day ago
Avatar for nomoreflakes

Revving up to build one of these. I noticed that CAPI have now stopped using Ed Anderson trafos (EA2622) for their own design...

replies: 1 views: 141
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nomoreflakes 1 day ago
Avatar for WarmJetGuitar

Hey fellas. This is my first post on the Geekslutz section and I'm just a humble recording engineer who barely knows how to...

replies: 22 views: 1,191
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WarmJetGuitar 1 day ago
Avatar for streber

Hey everyone... I have a Soundcraft Delta 8. I use the tape returns on the board for channels 1-16 from my DAW to the...

replies: 5 views: 510
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systo 1 day ago
Avatar for Thisiscobras

Anyone have any opinions? I've read the R8 has more balls to it's sound plus the extra outs which I don't need plus I guess the...

replies: 4 views: 1,350
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Thisiscobras 1 day ago
Avatar for alba359

Hi Everyone , I don't have much D.I.Y. experience. I've seen videos of reverb made from Slinky's. I was considering making an...

replies: 3 views: 253
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Philbo King 1 day ago
Avatar for Andrew Higgins

Hi everyone. I'm back for more wisdom and experience from the community. Thanks!!! I have a few old T powered...

Andrew Higgins
replies: 1 views: 263
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Andrew Higgins 1 day ago
Avatar for AhooraMahone

Today I just wanted to purchase my Presonus Q2 that I have been waiting for it for 3 weeks and suddenly saw a big red headline on...

replies: 7 views: 1,393
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PeteJames 1 day ago
Avatar for 3stamme

I just got a used supercheap Yamaha RM1X with small tactile switches for the keys. It seems that the previous owner have tried...

replies: 1 views: 145
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eatyourguitar 2 days ago
Avatar for RobLewis

I have an original Alesis Microverb that I'd like to try reviving. It currently passes the dry signal OK, but there is no effect...

replies: 0 views: 104
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RobLewis 2 days ago
Avatar for Mastropiero

Hi there, today I turned my Rev2496 on after some months since last time and it sadly seems to have died. When I press the...

replies: 3 views: 565
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Mastropiero 2 days ago
Avatar for parpat

the capstan motor on my Otari locked up, when I opened the motor casing, a small plastic piece fell out, motor spins fine, that...

replies: 5 views: 1,061
Avatar for Stereo Steve
Stereo Steve 2 days ago
Avatar for eatyourguitar

If anyone is interested in building a matrix mixer in eurorack format, I have extra PCB to sell. I usually build one for myself...

replies: 0 views: 117
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eatyourguitar 2 days ago
Avatar for RaygunRS

Hey slutz, I have a pair of Sputniks, and one of them is dead. Doesn't light up, and I've tried replacing the fuse. I sent it...

replies: 4 views: 794
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mjmajilton 2 days ago
Avatar for ill narrator

PSA here. I've been using a Nektar Impact LX25+ for a couple years now without issue but yesterday it starting randomly blinking...

ill narrator
replies: 0 views: 117
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ill narrator 3 days ago
Avatar for AtomicMidi

Hi guys, so I copped this beauty recently and intend to use it as a summing card. However it is missing two of the opamps. They...

replies: 0 views: 148
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AtomicMidi 3 days ago
Avatar for TwistedGlass

Trying to get into building pedals, and I decided to do a clone of an MXR Distortion+ as my first build. The attached picture...

replies: 15 views: 351
Avatar for Rick Dalton
Rick Dalton 3 days ago
Avatar for onlywhelmed

Hi all. I've been into used and vintage audio stuff (stereos, speakers, synths, 80s/90s samplers, etc.) for years now and...

replies: 14 views: 366
Avatar for uOpt
uOpt 3 days ago
Avatar for Blue280z

I could not find much online for this M-800 problem but it also seems to have affected the M-1400 big brother. Here is a website...

replies: 0 views: 125
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Blue280z 3 days ago
Avatar for alexkywalker

I just bought a used Prophet 600 from a friend. After a bit of searching I was able to find a SYSEX file with the factory...

replies: 4 views: 835
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alexkywalker 3 days ago
Avatar for traxcontrols

Hi, I have a Golden Age COMP-54 compressor in for repair, the fault being meter needle slamming into the stop when the function...

replies: 9 views: 1,708
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ryandfaris 3 days ago
Avatar for Sonic Lush

Hello Geekslutz I have started a recap on my Soundcraft Spirit Studio 24x8. I have no schematics or service manual for...

Sonic Lush
replies: 3 views: 229
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Sonic Lush 3 days ago
Avatar for David Kulka

Lately I've been working on several Eventide SP2016's. All are slightly different and came to me in various states of disrepair,...

David Kulka
replies: 29 views: 4,984
Avatar for Gitou
Gitou 4 days ago
Avatar for Robb Robinson

Hi there, the tech directories aren't working so I thought Id post here. Sorry if it's against the rules. My usual techs are up...

Robb Robinson
replies: 1 views: 202
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Robb Robinson 4 days ago
Avatar for claudioferrari

Hello I hope this is in the right forum. Sorry if it is not. My monitor Adam A7x started to make some crackles once in a...

replies: 5 views: 267
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12ax7 4 days ago
Avatar for PaRaNoId

Is there a easy build for a very simple line-level (or mic level) passive high-pass filter? It's hard to find any designs catered...

replies: 55 views: 29,726
Avatar for Cabirio
Cabirio 4 days ago
Avatar for Marcuswcw

Given the current climate, I decided to see if I could make a ribbon mic for as little as possible, with some success! I...

replies: 4 views: 322
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msbettyhunt 4 days ago
Avatar for Hypothesis

Hi fellow musicians, Some time ago I got this unit from a friend of mine, but it's battery collapsed a long time ago and the...

replies: 16 views: 8,388
Avatar for poldus
poldus 4 days ago
Avatar for Uby62

Hi everyone! I need to repair a Ddrum AT module : the trigger inputs are not working and i have distortion on outputs, and the...

replies: 8 views: 1,073
Avatar for Uby62
Uby62 4 days ago
Avatar for buschfsu

ive got my ramsa WR-s4416 sounding good by rolling chips and bypassing caps. while i have it pulled apart id like to give some...

replies: 3 views: 6,242
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shibboleth 4 days ago
Avatar for Cuki777

Who in hear has upgrade the tubes on the Art pro channel II? And which tubes would you guys recommend me? I specifically want it...

replies: 1 views: 170
Avatar for breakmixer
breakmixer 4 days ago
Avatar for quink333

I have to replace three Jupiter 6 100kb rotary potentiometers. I can’t seem to find replacements anywhere, and was hoping to...

replies: 1 views: 164
Avatar for tINY
tINY 4 days ago
Avatar for JohnnyFree

Hi - Don't know if anyone can help with this...I got a EV 664 Dynamic Cardioid mic for free from a guy who had evicted a studio...

replies: 26 views: 21,840
Avatar for hho13
hho13 4 days ago
Avatar for jml designs

Anyone know of a single place online to buy these obscure “z” legs? They’re tubular and quite rare. Custom vintage...

jml designs
replies: 4 views: 271
Avatar for Old Gretscher
Old Gretscher 5 days ago
Avatar for heromusic

U67 tube


I need to replace the tube in my U67. Any suggestions on which one( brand) i should use? Thanks

replies: 35 views: 13,273
Avatar for iLCacciLLo
iLCacciLLo 5 days ago
Avatar for superwack

Hi. I have a MURA DX-20V cardioid dynamic microphone (the long silver one people sometimes refer to as a "Bob Barker/Game...

replies: 2 views: 247
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superwack 5 days ago
Avatar for smilan

Today I've checked the frequency response of my Amek Blue Angela at few different outputs using Waves Q Clone and this is what...

replies: 4 views: 292
Avatar for Skip Burrows
Skip Burrows 5 days ago
Avatar for Audiotales

Hello! I’m thinking in make a couple of small mod on my meyer cp 10 eq. To replace the output op-amp with the sparkos ones...

replies: 9 views: 1,590
Avatar for lagachette
lagachette 6 days ago
Avatar for polynoobsix

Greetings, I hope everyone is doing well and keeping as safe as possible. I am currently fixing my polysix. I recently took...

replies: 4 views: 288
Avatar for NeilC
NeilC 6 days ago
Avatar for Bitsmith

A little while ago I bought a second hand Orville - I only just finished wiring it up in my rack and starting to familiarize...

replies: 2 views: 205
Avatar for Bitsmith
Bitsmith 6 days ago
Avatar for adamts13

I know I know... Was using a step down transformer with no issues but during a studio cleanup I've accidently plugged one of...

replies: 7 views: 583
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adamts13 6 days ago


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