OK, something to spice up Geekslutz = here is where we post images of the INSIDE of audio equipment. Disclaimer; any photo...

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

DSP Innovations has recently launched a FREE data sheet search site. The site, Datasheetpro.com - Search Electronic Components ,...

Anyone who offers technical services should get themselves listed into the new member directory here... Gearslutz Directory:...

Hi, I want to achieve a modification of my mono SQN 3M and I want to make the pre fader direct out modification on two...

Any one have any info on doing the mackie onyx 1640 post fader direct out mod? I looked on the net but mackie's forum is down....

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

I'm restoring an EMT 140 at the moment which has been in storage for a few years. Sonically everything is fine but there is a...

I have recently acquired a Roland Bolt-30 guitar amp which is of hybrid design, featuring a solid state pre amp with a pair of ...

Hi there I have an MX5050 8 track Mk3 machine that is almost running perfectly. I had the heads recently relapped, which made...

Link to thread: Mackie 1640 post fader mod? Posted way back in 2013 I'm looking to resurface this thread as I've scoured the...

these Ribbon mics are exactly the same RB-500, APEX210, NADY RSM-8 etc, they are identical MICs. It changes only the brand...

Does anyone know good DIY versions of this inline preamp? A schematic with high quality components would be excellent. Like what...

Hey there, Im sourcing parts for a u48 build, and i was wondering if any of the mic experts could maybe lend me a hand, as i’m...

I’ve been using this console in pairing with my Tascam MSR16 for 7 years now. Slowly over time, many channels on the console...

Hello, Not sure which thread to post this in so apologize if I'm in the wrong place! I should mention I very little about...

Hi Guys, Vocalist here with a cry for help:) I have two Aphex 107 Mic-Preamps which both have the same blown part. I know nothing...

Hey there. This might be a silly question... and maybe even a silly question where the answer depends on so many factors its...

Hi Geekslutz, We are going to be renaming this sub forum very soon - to have a more inclusive / suitable for work &...

Hi Im trying bring back to life my Voiceworks harmony processor. The problem is i cant get 1kC potentiometer especially that one...

I've done my previous designs straight to PCB, but decided that I wanted to try prototyping on turret board this round. Before,...

Following the passing of Rupert Neve I was pondering the longevity of his designs and others of the period versus the myriad...

Is is dangerous for a mic to plug in its XLR cable while the phantom power is switched on? Does this 48 volt jolt have any...

Hi! I have a Allen&Heath ZED 18 and there is no audio coming out from the master output and headphones (only in pfl). I’ve...

my lovely old 1st gen Solina String Ensemble has some of the hard to find "mullard fish" capacitors damaged. I was...

so to make a long story short I came upon an old arp solina (first version) a while back and failed to open it up and check it...

Hi there I have an MX5050 8 track Mk3 machine that is almost running perfectly. I had the heads recently relapped, which made...

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

Hello, Does anyone have the physical dimensions of a Royer 121; circumference, height, and so on? A friend wants to print a 3D...

Hey there, another akward question by me. I restore lots of old gear and always try to make it look as close as possible to the...

Hello! I’ve recently had success in turning a small transistor radios into a portable guitar amplifiers and as such, I decided...

dear Geekslutz, I accidently fried a Matrix-1000 that was configured for 120 volt by plugging it into 220 volt - :facepalm:...

I have a very nice incredible sounding vintage La3a modded by Jim Williams whcich i love and use every day, BUT, the lamp blows...

I am looking for a mic tech in Seattle. I can do some diy stuff, but when I reach the limits of my skill level, I would like to...

hello people! recently got a used srv330 in overall good shape and working condition, however the Alpha jog wheel doesn't seem...

Now that I'm scrutinizing and modding my Soundcraft 800B, I noticed there's a bad spot in one of the ribbon cables--creates noise...

Hi there guys! We've just recently acquired a beautiful SSL 4052 with G+ computer from another studio to our studio in the...

Hello Folks, wondering if anyone has the manual for the ADR express limiter that they would be so kind as to share....

Hi, Anyone has the schematic for the DSP board of the lexicon pcm81? I got an old revision (DSP board revision 00) and the only...

I have a 2 - LSR6328P monitors. The 8" lf in one of them is sounding low in volume and distorted. I've swapped out the...

I'm looking to build a very simple A/B balanced stereo switcher box. I have 2 preamp channels that I want to be able to quickly,...

Posted this over in the main forum, but no joy... Not much to find on a search, either here or on the net, so I'll do my...

Hi everybody! My TC Electronic M5000 needs a battery replacement. The battery keeps all license codes on a device, which...

Hi there I have been working on my s900. Replacing the disk drive with a gotek, and also replacing the screen. The disk...

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...

I have a Made in China (alas) Lexicon PCM81 (REV 3 with REV 1 DSP board). Upon normal power on, it goes through the various boot...

This is the first thread I think I've started here. I want to admit I am a GearSlut. Right now, I think i would be...

Hi, Where can I buy a Lindell 1731 OpAmp in the UK (not Europe) ? Many thanks

Im doing some maintenance to my Ursa Major 8x32. It has problems with the tactical switches, sometimes they double trigger and...

Hi all, I'm hoping the hive mind can help me with this problem that has stumped me, as well as a local studio tech. There are...

this seems to be an ideal candidate to turn into a stunner. good bones but hopeing i can make it shine. i love the...

I have a Yamaha SY77 with a whining inverter. I've read that the problem is extremely common. It doesn't bleed into the outputs...

I bought a WA-2A off of eBay a while back, and I’m increasingly convinced it’s not working right. I don’t have access to...

I've been looking at this MOTU M4 because 1) I like the DAC and ADC chips, 2) inputs 3/4 are line level only and don't have...