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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: 502,046
Avatar for Lumbergh
Lumbergh 3 weeks ago
Avatar for MicroSonic

I have been collecting schematics for 30 years and 5 years ago I started make them available at my site but...

replies: 72 views: 100,610
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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: 47,891
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: 36,844
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for jameslenger

Hello, I had been looking around quite a bit, but couldn't find a good answer for this. I recently purchased a used M147, and...

replies: 0 views: 137
Avatar for jameslenger
jameslenger 3 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: 34 views: 715
Avatar for DownTheLine
DownTheLine 3 hours ago
Avatar for oldgearguy

I have a couple RSP-550's. One has a working but faded backlight. The other backlights are dead. That unit uses an LED array...

replies: 1 views: 1,900
Avatar for disuye
disuye 6 hours ago
Avatar for GeorgePuddin

Hey guys. Ive recently bought a Soundcraft 600 mixing console and have been cleaning it up. I've come across an issue I just...

replies: 11 views: 851
Avatar for mintytowel
mintytowel 9 hours ago
Avatar for redrover90

So, I'm powering on my Ghost after a full recap and cleaning. I've never had it running before (bought used w/o PS) so I don't...

replies: 12 views: 2,192
Avatar for Electricbacfac
Electricbacfac 12 hours ago
Avatar for TMOQuantity

I grabbed an early 80s Peavey Backstage (the 20 watt colored knob one that introduced the saturation control) cheap about a year...

replies: 3 views: 299
Avatar for TMOQuantity
TMOQuantity 14 hours ago
Avatar for originalscottyg

I am trying to use the tally output (TB All Tally) on an SSL AWS948 to turn on a red light. I was advised by SSL to use an...

replies: 8 views: 1,394
Avatar for laperlestudio
laperlestudio 14 hours ago
Avatar for andybot

Yello, does anyone recognize the caps in these pictures? They are around 7x7x2 mm. If these are not made anymore what would a...

replies: 6 views: 305
Avatar for Jim Williams
Jim Williams 14 hours ago
Avatar for Captain Foghorn

My knowledge about electronics is very limited, so I was wondering if I could get some guidance about these capacitors in a...

Captain Foghorn
replies: 5 views: 755
Avatar for Jim Williams
Jim Williams 14 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: 40 views: 3,306
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Category 5 16 hours ago
Avatar for Ted Krotkiewski

Hi Friends. I have a fundamental question that I have been wondering about for so long and was hoping to get some deeper...

Ted Krotkiewski
replies: 4 views: 417
Avatar for ruffrecords
ruffrecords 23 hours ago
Avatar for Plaeground

I have a shure 515SBG-18x microphone which has a switch on the microphone that can be wired to a controller for push to talk...

replies: 2 views: 241
Avatar for Plaeground
Plaeground 1 day ago
Avatar for brendanclarke

Hi! I'm working on a module with some digitally-generated, configurable LFO's/pitch CV's and playing around with a TI DAC8574....

replies: 3 views: 293
Avatar for brendanclarke
brendanclarke 1 day ago
Avatar for Onfireee

So I recently came into possession of A WHOLE HEAP of electronic components. I'd like to build an amplifier or two on the cheap,...

replies: 0 views: 277
Avatar for Onfireee
Onfireee 1 day ago
Avatar for Mablonowski Jarc

I´ve found an old Dynacord ADS at my workplace and I wondered what this thing would sound like. So I tried to power on - and...

Mablonowski Jarc
replies: 7 views: 2,536
Avatar for blueNan
blueNan 1 day 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: 3,066
Avatar for krabbencutter
krabbencutter 2 days 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: 239
Avatar for Savio_br
Savio_br 2 days 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: 222
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Agno 2 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: 78 views: 5,985
Avatar for 2Low
2Low 2 days 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: 263
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forestcreature 2 days 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: 3,407
Avatar for Checky
Checky 2 days 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: 1,155
Avatar for dpsbb
dpsbb 2 days 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: 319
Avatar for Thisiscobras
Thisiscobras 2 days 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: 189
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ace_musicdj 3 days 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: 4,466
Avatar for musicfirst234
musicfirst234 3 days 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: 4,657
Avatar for Culhane
Culhane 3 days 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: 256
Avatar for Jim Williams
Jim Williams 3 days 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: 231
Avatar for bubblebash
bubblebash 4 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: 2,756
Avatar for Octobus
Octobus 4 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: 3,811
Avatar for Sound Arch
Sound Arch 4 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: 1,090
Avatar for MacroDX
MacroDX 5 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: 316
Avatar for MacroDX
MacroDX 5 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: 3,331
Avatar for kevinbuckley70
kevinbuckley70 5 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: 222
Avatar for Jim Williams
Jim Williams 6 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: 166
Avatar for ab2010
ab2010 6 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: 204
Avatar for bubblebash
bubblebash 1 week 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: 26,097
Avatar for ronerone
ronerone 1 week 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: 222
Avatar for David Kulka
David Kulka 1 week 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: 5,725
Avatar for AceFireForce117
AceFireForce117 1 week 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: 5,670
Avatar for dshodge
dshodge 1 week 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: 185
Avatar for tame1
tame1 1 week 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: 1,147
Avatar for Brian M. Boykin
Brian M. Boykin 1 week 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: 271
Avatar for whinylittlerunt
whinylittlerunt 1 week 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: 2,063
Avatar for RonF
RonF 1 week 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: 5,236
Avatar for xxxxxl
xxxxxl 1 week 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: 2,129
Avatar for elcct
elcct 1 week 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: 7,297
Avatar for mbuetow
mbuetow 1 week 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: 245
Avatar for jpdesroc
jpdesroc 1 week 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: 840
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: 519
Avatar for enginefire
enginefire 1 week ago


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