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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: 501,763
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Lumbergh 3 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: 100,465
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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: 47,842
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: 36,795
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Aniol1349 10th June 2017
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: 24 views: 522
Avatar for camadair
camadair 2 hours ago
Avatar for krabbencutter

Hey Folks, I started a little hardware project and now that most of it is working, I'm confident enough to share it outside of...

replies: 30 views: 2,978
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krabbencutter 4 hours ago
Avatar for Savio_br

Hi all, I bought a TLM 103 from a "buy and sell" site similar to ebay here in my country. Upon receiving it, I...

replies: 0 views: 120
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Savio_br 10 hours ago
Avatar for trubadoor

Hello, I'm very new to using a soldering iron, but I've soldered a few hundred cable connectors so far and put together a...

replies: 38 views: 3,230
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Category 5 10 hours ago
Avatar for Agno

Hello all, I just recently acquired a used Crane Song HEDD Quantum - and I'm loving it! - however, the Triode pot is slightly...

replies: 1 views: 193
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Agno 11 hours 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: 78 views: 5,939
Avatar for 2Low
2Low 14 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: 3 views: 238
Avatar for forestcreature
forestcreature 16 hours ago
Avatar for frankthefunky1

Good day everybody. I own an Akai MPK88 midi controller. Three keys have problems hitting full velocity. These particularly...

replies: 19 views: 3,379
Avatar for Checky
Checky 16 hours ago
Avatar for dpsbb

Says it's disabled... anybody know how can I register? I wanted to ask some questions about Hairball's preamp kits over there and...

replies: 14 views: 1,134
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dpsbb 16 hours 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: 3 views: 298
Avatar for Thisiscobras
Thisiscobras 17 hours ago
Avatar for ace_musicdj

Hi everyone, So I've been trying to fix two dead keys in my Novation Impulse 61 MIDI keyboard.:synth: A proper inspection...

replies: 0 views: 160
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ace_musicdj 1 day ago
Avatar for danibert

Hi folks, a friend owns an Art Pro VLA II that he doesnt´t use anymore, so he will give it to me for free the next days. I love...

replies: 9 views: 4,436
Avatar for musicfirst234
musicfirst234 1 day ago
Avatar for magnet

I just picked up this console from a customer of mine in Woodstock NY. I sent some pictures to my old school studio tech friend...

replies: 23 views: 4,637
Avatar for Culhane
Culhane 1 day 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: 2 views: 237
Avatar for Jim Williams
Jim Williams 1 day 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: 5 views: 214
Avatar for bubblebash
bubblebash 2 days ago
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: 2,737
Avatar for Octobus
Octobus 2 days 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: 3,792
Avatar for Sound Arch
Sound Arch 2 days 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: 1,065
Avatar for MacroDX
MacroDX 3 days 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: 299
Avatar for MacroDX
MacroDX 3 days 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: 3,314
Avatar for kevinbuckley70
kevinbuckley70 3 days 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: 207
Avatar for Jim Williams
Jim Williams 4 days 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: 149
Avatar for ab2010
ab2010 4 days 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: 187
Avatar for bubblebash
bubblebash 5 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: 26,057
Avatar for ronerone
ronerone 5 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: 204
Avatar for David Kulka
David Kulka 5 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: 5,709
Avatar for AceFireForce117
AceFireForce117 5 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: 5,647
Avatar for dshodge
dshodge 6 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: 169
Avatar for tame1
tame1 6 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: 1,130
Avatar for Brian M. Boykin
Brian M. Boykin 6 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: 256
Avatar for whinylittlerunt
whinylittlerunt 6 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: 2,046
Avatar for RonF
RonF 6 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: 5,219
Avatar for xxxxxl
xxxxxl 6 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: 2,111
Avatar for elcct
elcct 6 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: 7,270
Avatar for mbuetow
mbuetow 6 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: 226
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jpdesroc 6 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: 824
Avatar for nucelar
nucelar 1 week 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: 503
Avatar for enginefire
enginefire 1 week 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: 754
Avatar for Microphoniac
Microphoniac 1 week 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: 556
Avatar for Radardoug
Radardoug 1 week 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: 1,082
Avatar for forestcreature
forestcreature 1 week 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: 1,207
Avatar for TVPostSound
TVPostSound 1 week 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: 263
Avatar for Jim Williams
Jim Williams 1 week 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: 211
Avatar for Jim Williams
Jim Williams 1 week 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: 184
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Yashoda 1 week 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: 188
Avatar for Cashhewn
Cashhewn 1 week 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: 434
Avatar for elcct
elcct 1 week 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: 276
Avatar for Glennmusic
Glennmusic 1 week 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: 195
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freefall322 1 week 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: 243
Avatar for David Kulka
David Kulka 1 week 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: 10,798
Avatar for M.Retra
M.Retra 1 week ago


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