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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: 1,121 views: 501,166
Avatar for Lumbergh
Lumbergh 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: 72 views: 100,270
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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: 47,776
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: 36,730
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Aniol1349 10th June 2017
Avatar for e_just

Hey Gang Has anybody else had this problem? I am getting no sound from the main, direct, or headphone outs. I reinitalized the...

replies: 7 views: 2,692
Avatar for Octobus
Octobus 57 minutes ago
Avatar for sat159p1

Can you recommend me the best tube to use with spl mk2-t vitalizer? Unit has stock Sovtek 12AX7LPS tubes (one operating in stereo...

replies: 15 views: 3,748
Avatar for Sound Arch
Sound Arch 2 hours ago
Avatar for Thisiscobras

I picked up a Wavestation keyboard a couple of months ago. Aside from a dead battery and typical failing/dead backlight with the...

replies: 6 views: 1,016
Avatar for MacroDX
MacroDX 7 hours ago
Avatar for camadair

Im trying for the third time to correctly connect a Sony SRA-3 preamp to a neutrik 1/4" patch bay. The Sony has TS mic in,...

replies: 0 views: 82
Avatar for camadair
camadair 7 hours ago
Avatar for Jpastor

Hey guys, yesterday i turned my moog subphatty on, and i realised that the white noise wasn't working anymore (you can mix 2 OSC...

replies: 3 views: 258
Avatar for MacroDX
MacroDX 7 hours ago
Avatar for bubblebash

I'm trying to put a 240x60 6963 style LED screen into a device that uses a 12 pin, 4bit protocol instead of the usual 22 pin, 8...

replies: 4 views: 172
Avatar for DrewE
DrewE 9 hours ago
Avatar for Silos

Hello all, About a week ago my left studio monitor (krk vxt8) started making a horrible crackling and popping noise. I tested it...

replies: 13 views: 3,274
Avatar for kevinbuckley70
kevinbuckley70 19 hours ago
Avatar for forestcreature

I set a J201 up as a self-biased common source amp with 24V DC supply. I have about 15dB of clean gain, pleasant symmetrical...

replies: 1 views: 160
Avatar for tINY
tINY 20 hours ago
Avatar for hally

Hi, I have a late 80's Soundcraft Series 6000 which is no longer in use @ the studio however I always liked the flavour of the...

replies: 0 views: 151
Avatar for hally
hally 1 day ago
Avatar for iaw1978

Hi, I've come a long way and I'm working my way through fixing a DR 110 I picked up second hand and there appears to have been...

replies: 3 views: 169
Avatar for Jim Williams
Jim Williams 1 day ago
Avatar for ab2010

I just picked up a REV2496 V-Verb and the display seems a little washed out with some faint lines running down it. I'm wondering...

replies: 0 views: 122
Avatar for ab2010
ab2010 1 day ago
Avatar for bubblebash

I'm hoping to confirm that the underside of the Presonus Firestudio has screws or some kind of grounding/fastener that connects...

replies: 1 views: 159
Avatar for bubblebash
bubblebash 2 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: 138 views: 25,996
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ronerone 2 days ago
Avatar for xxxxxl

Hi, im cabling my Bantam Patchbay. And i have a question about the connectors. On TRS Cables the tip is hot(red or blue),...

replies: 2 views: 179
Avatar for David Kulka
David Kulka 2 days ago
Avatar for change_01

Hi all, first post for me here after years of lurking. Background: I'm a technician working my way from the homestudio level...

replies: 12 views: 5,675
Avatar for AceFireForce117
AceFireForce117 3 days ago
Avatar for gouge

I'm about to undertake some mods to my VLA and thought it would be fun for anyone else keen to do the same to join in the...

replies: 20 views: 5,614
Avatar for dshodge
dshodge 3 days ago
Avatar for tame1

Hi I have a Scarlet 18i20 audio interface that is working well with the exception of one audio input (CH 3). it does detect...

replies: 0 views: 138
Avatar for tame1
tame1 3 days ago
Avatar for DCT3

I have a Yamaha EM1800 PA mixer that someone gave me and I want to add direct outs to each channel and use it to record with. ...

replies: 6 views: 1,104
Avatar for Brian M. Boykin
Brian M. Boykin 3 days ago
Avatar for whinylittlerunt

I'm working on my friend's CR-78 trying to repair what apparently is the dreaded battery leak / corrosion on the traces. I've...

replies: 2 views: 229
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whinylittlerunt 3 days ago
Avatar for morebutter

Can anyone tell me how to replace this type of battery? It's an Oberheim Prommer. Do I desolder the leads at the pcb, or do I...

replies: 5 views: 2,015
Avatar for RonF
RonF 3 days ago
Avatar for nucelar

Hi all! I have one of these channel strips which has finally given up after many years almost non-stop operation. I guess it's...

replies: 9 views: 5,184
Avatar for xxxxxl
xxxxxl 3 days 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: 10 views: 2,079
Avatar for elcct
elcct 3 days ago
Avatar for WarWeasel

HI, I'm searching around and can't seem to find the difference between these two. About to order a bunch of cables from Redco so...

replies: 8 views: 7,235
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mbuetow 3 days ago
Avatar for jpdesroc

Hi all, I remember years ago seeing the schematic of a 60hz-120VAC generator to be used for US Hammond used in europe...

replies: 2 views: 201
Avatar for jpdesroc
jpdesroc 3 days ago
Avatar for shoffer

Hi there...I am a newbie to the site. I just found a virtually unused jvc cd-1770 and wondering if it is a true 4 track...

replies: 2 views: 803
Avatar for nucelar
nucelar 4 days ago
Avatar for notfairchild

I have completed a new track which needs bit mixing and mastering that i want to sell for $50 I want to buy a ukulele so bad...

replies: 5 views: 470
Avatar for enginefire
enginefire 4 days ago
Avatar for Soundzman

Hello guys, I've got an Seeport mixer from Seem Audio which needs some sevice. Does anyone has an service manual or...

replies: 1 views: 732
Avatar for Microphoniac
Microphoniac 4 days ago
Avatar for Jonk

I wonder if I can get some thoughts on how possible this is. The PM2000 has 33K summing resistors going into the...

replies: 17 views: 531
Avatar for Radardoug
Radardoug 4 days ago
Avatar for forestcreature

I have a simple JFET buffer that sounded reasonable when I breadboarded it, but the simulation suggests some questions. I would...

replies: 11 views: 1,048
Avatar for forestcreature
forestcreature 4 days ago
Avatar for sott

I just bought this speaker and I admit that my expectations were not too high. But because the price was good, I gave it a...

replies: 15 views: 1,181
Avatar for TVPostSound
TVPostSound 4 days ago
Avatar for DavidT

Just recently acquired two Dbx 165a's. Both have switchable mains voltage and the person I purchased them off switched the...

replies: 3 views: 239
Avatar for Jim Williams
Jim Williams 4 days ago
Avatar for Brian M. Boykin

Do these work? I ran across them building a parts list for a power supply for my console. I don’t really have an EMI/RFI...

Brian M. Boykin
replies: 3 views: 187
Avatar for Jim Williams
Jim Williams 4 days ago
Avatar for Yashoda

Hi everyone, I’m currently restoring an Amek BCII (large frame size) studio format console. I bought it without power supplies....

replies: 0 views: 157
Avatar for Yashoda
Yashoda 5 days ago
Avatar for Cashhewn

I'm just hoping to understand what's going on here... Here are some links to pics of a vintage AKG (Dyn 60 K, probably late...

replies: 0 views: 161
Avatar for Cashhewn
Cashhewn 5 days ago
Avatar for stevep

My D&R Octagon has dynamics for the channels. The circuit uses a THAT 4301 VCA. The compressors work fine, very clean... to...

replies: 14 views: 407
Avatar for elcct
elcct 5 days ago
Avatar for Glennmusic

Hey, I have an RME Fireface and a Presonus D8 8 channel Microphone Preamp. I want to add a Focusrite MKII 8 channel mic preamp...

replies: 8 views: 247
Avatar for Glennmusic
Glennmusic 6 days 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: 77 views: 5,809
Avatar for 2Low
2Low 6 days ago
Avatar for freefall322

The USB port on my Fireface UCX was damaged due to a VBUS overvoltage. The UCX still works perfectly by using the Firewire port...

replies: 0 views: 167
Avatar for freefall322
freefall322 6 days ago
Avatar for Sadomiso

Hi, I've had this pultec looking (and sounding) EQ for a while, it looks the same from the outside except the studio that owned...

replies: 1 views: 213
Avatar for David Kulka
David Kulka 6 days ago
Avatar for M.Retra

Forward Hello fellow GS'ers! This is a reissue of a thread that I started over in the Cakewalk forums. It was immensely...

replies: 40 views: 10,700
Avatar for M.Retra
M.Retra 1 week ago
Avatar for jimj3114

Hi! I wanted to ask what type of connectors these are? They came out of Studer half-track. Thanks!

replies: 1 views: 400
Avatar for mrfantastic
mrfantastic 1 week ago
Avatar for xRaBBiTx

Hey everyone! I have lurked through posts of this forum for some time, and you all are always very helpful. I decided to make my...

replies: 7 views: 7,480
Avatar for Goodguy
Goodguy 1 week ago
Avatar for Glsec507

Hi all, I hope I am posting in the correct spot. I am having an issue that is causing low sensitivity. Basically my mic isn't...

replies: 1 views: 207
Avatar for pkuchar
pkuchar 1 week ago
Avatar for mahoor

I recently bought a Lexicon Prime Time 93 from the U.S. It apparently left in good condition but arrived with the delay circuit...

replies: 17 views: 4,603
Avatar for littlem4tt
littlem4tt 1 week ago
Avatar for Louderock

Machine has been sitting for a while. A friend brought it by to transfer an old DAT to cd. We inserted the dat and it made a...

replies: 2 views: 1,826
Avatar for ReeseWin
ReeseWin 1 week ago
Avatar for Halloween

Ok I have a 4x12 cab with 16 ohm speakers, How would I go about wiring these things so that they are 8 ohm? I found this......

replies: 24 views: 20,318
Avatar for jimbow
jimbow 1 week ago
Avatar for Fishy1500

Does anyone have any good tips for soldering DB25 connectors to an 8 channel snake? I finally gave in and ordered myself a...

replies: 107 views: 45,429
Avatar for BHW
BHW 1 week ago
Avatar for cinequip

We travel with a Soundcraft Si Impact. Upon powering up the desk at a remote site, the previous show failed to load. The desk...

replies: 0 views: 208
Avatar for cinequip
cinequip 1 week ago
Avatar for phroggiey

Hello everyone, I have recently had an issue with a Cheetah MS6. I was replacing one of the CEM3396 chips when one of the...

replies: 32 views: 3,222
Avatar for elcct
elcct 1 week ago
Avatar for Thisiscobras

Oscillator A on my Prophet 600 is unpredictable with regards to tuning. I've scaled it correctly but the problem still remains. ...

replies: 2 views: 269
Avatar for Thisiscobras
Thisiscobras 1 week ago


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