The No.1 Website for Pro Audio

Thread / Thread Starter Replies / Views Last Post
Avatar for Tim Farrant



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

Tim Farrant
replies: 1,161 views: 552,515
Avatar for DGL
DGL 13 hours 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: 86 views: 119,011
Avatar for waveterm
waveterm 25th December 2020
Avatar for gabriel1

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

replies: 19 views: 55,773
Avatar for msbettyhunt
msbettyhunt 27th March 2020
Avatar for Tim Farrant

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

Tim Farrant
replies: 9 views: 44,812
Avatar for msbettyhunt
msbettyhunt 24th March 2020
Avatar for ickefes

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

replies: 47 views: 7,699
Avatar for vincefedor
vincefedor 6 hours ago
Avatar for question

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...

replies: 53 views: 31,447
Avatar for Coconut_Head
Coconut_Head 7 hours ago
Avatar for tobeknows

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

replies: 1 views: 277
Avatar for WTMNMF
WTMNMF 7 hours ago
Avatar for ruffrecords

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

replies: 12 views: 273
Avatar for Jim Williams
Jim Williams 7 hours ago
Avatar for salomonander

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...

replies: 3 views: 145
Avatar for Radardoug
Radardoug 11 hours 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: 83 views: 25,868
Avatar for jahberger
jahberger 12 hours ago
Avatar for trubadoor

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

replies: 2 views: 115
Avatar for trubadoor
trubadoor 12 hours ago
Avatar for salomonander

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...

replies: 9 views: 346
Avatar for sin night
sin night 13 hours ago
Avatar for halloy

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

replies: 11 views: 414
Avatar for cathode
cathode 13 hours ago
Avatar for themachinesoul

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

replies: 9 views: 1,803
Avatar for LarryBee
LarryBee 13 hours ago
Avatar for HansMues

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

replies: 8 views: 274
Avatar for HansMues
HansMues 14 hours ago
Avatar for Prince Vision

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...

Prince Vision
replies: 1 views: 180
Avatar for Prince Vision
Prince Vision 14 hours ago
Avatar for xRepx

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

replies: 11 views: 383
Avatar for Confucio
Confucio 18 hours ago
Avatar for jnashguitar

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...

replies: 10 views: 5,114
Avatar for rsarkar
rsarkar 19 hours ago
Avatar for deRoland

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

replies: 4 views: 2,934
Avatar for guinga
guinga 22 hours ago
Avatar for drplywood

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

replies: 9 views: 2,872
Avatar for rjb5191
rjb5191 1 day ago
Avatar for WarmJetGuitar

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

replies: 3 views: 183
Avatar for golden_ears
golden_ears 1 day ago
Avatar for nickstomp

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...

replies: 0 views: 107
Avatar for nickstomp
nickstomp 2 days ago
Avatar for mrjoeaudio

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...

replies: 0 views: 123
Avatar for mrjoeaudio
mrjoeaudio 2 days ago
Avatar for drewharris

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,...

replies: 6 views: 394
Avatar for drewharris
drewharris 2 days ago
Avatar for myles

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...

replies: 10 views: 9,738
Avatar for GuitarPimp
GuitarPimp 2 days ago
Avatar for Alex Kretov

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

Alex Kretov
replies: 2 views: 272
Avatar for smartfreq
smartfreq 2 days ago
Avatar for knob twiddler

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

knob twiddler
replies: 2 views: 252
Avatar for b2001bt
b2001bt 2 days ago
Avatar for TMI

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...

replies: 132 views: 30,512
Avatar for nickstomp
nickstomp 2 days ago
Avatar for parousia

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...

replies: 4 views: 1,380
Avatar for nickstomp
nickstomp 2 days ago
Avatar for Sense_A

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...

replies: 5 views: 594
Avatar for jackies
jackies 2 days ago
Avatar for Iscape

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

replies: 0 views: 136
Avatar for Iscape
Iscape 2 days ago
Avatar for BHW

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

replies: 2 views: 248
Avatar for rowsbywoof
rowsbywoof 2 days ago
Avatar for Deleted c117a9d

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

Deleted c117a9d
replies: 67 views: 5,143
Avatar for hotfingers
hotfingers 2 days ago
Avatar for Lewis Robertson

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...

Lewis Robertson
replies: 87 views: 12,308
Avatar for Lewis Robertson
Lewis Robertson 3 days ago
Avatar for dialectic

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 ...

replies: 3 views: 217
Avatar for Rick Dalton
Rick Dalton 3 days ago
Avatar for buschfsu

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

replies: 40 views: 23,344
Avatar for chaosium
chaosium 3 days ago
Avatar for Eggbread

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...

replies: 1 views: 544
Avatar for lakehousememory
lakehousememory 3 days ago
Avatar for skrasms

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...

replies: 1 views: 168
Avatar for skrasms
skrasms 3 days ago
Avatar for guitarburrito

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...

replies: 1 views: 157
Avatar for rez
rez 3 days ago
Avatar for hinterlandwho

so i picked up a fostex xr7 4 track in mint condition....i want to use it's 4 tape outs (which are rca) going into my mixer...

replies: 3 views: 350
Avatar for cyrano
cyrano 4 days ago
Avatar for DCsLostBoy

So I recently purchased an old Mackie 8 Bus, I made sure to test it before buying and everything sounded good besides a little...

replies: 13 views: 456
Avatar for Rick Dalton
Rick Dalton 4 days ago
Avatar for claudioferrari

Hi guys I've posted this at another sub forum, I hope this is the right place for the thread. My Roland JV1080 keeps turning...

replies: 0 views: 141
Avatar for claudioferrari
claudioferrari 4 days ago
Avatar for DavidCasalinova

Hi! I just recently purchased the Slate VMS System (Pre-amp and Slate ML-1 Mic). I'm having alot of issues with gain staging,...

replies: 0 views: 141
Avatar for DavidCasalinova
DavidCasalinova 4 days ago
Avatar for wildplum

I am building some cables using Mogami W2930 and Neutrik NC3MXX-EMC. The W2930 has a shield and a drain wire. Normally, with...

replies: 2 views: 178
Avatar for kirkus
kirkus 4 days ago
Avatar for amathie

I want to generate an analog test tone (1kHz sine wave at +4dBu) from my sequencer (Cubase which has a digital tone generator...

replies: 13 views: 12,069
Avatar for Matt Syson
Matt Syson 5 days ago
Avatar for Simpleton

Ok so I think I have read every post about this I could find on the internet, and nothing suggested in any of those threads has...

replies: 18 views: 554
Avatar for David Rick
David Rick 5 days ago
Avatar for macmini

I'm using a Groove Tubes CL1s Compressor/Limiter in studio and I want to calibrate the tubes of the CL1s ... so I need the right...

replies: 27 views: 3,845
Avatar for Crash
Crash 5 days ago
Avatar for RonF

So I've pulled out of storage my VERY CLEAN TS-10, and have been enjoying it again. Seems ONE button has gone wonky over...

replies: 0 views: 141
Avatar for RonF
RonF 5 days ago
Avatar for Mister Karloff

I have been waiting on approval for some time now. If anybody on here can help me get approved it would be greatly appreciated....

Mister Karloff
replies: 10 views: 826
Avatar for vashuba
vashuba 5 days ago
Avatar for Amirmi

Hi all two weeks ago I've looked about the Universal Audio Apollo x8 at the main online store (Sweetwater, Thoman) and I saw the...

replies: 2 views: 225
Avatar for Amirmi
Amirmi 5 days ago
Avatar for mikexmike

Hello! I've been having a small issue with my Blue Dragonfly mic lately. I love the tone of it, but there has been a strange...

replies: 7 views: 415
Avatar for Thomas W. Bethe
Thomas W. Bethe 5 days ago
Avatar for horiprod

Hi All ... I posted this on the Guitars and Pedals forum, however no joy there, so I'm trying here! I recently acquired a...

replies: 0 views: 149
Avatar for horiprod
horiprod 6 days ago
Avatar for iangomes

Hello fellow geekslutz, I’ve been a big fan of these Orban 111b spring reverbs first quite a while. At one time, I shot my...

replies: 7 views: 893
Avatar for iangomes
iangomes 6 days ago
Avatar for Basite

Hi all, Yesterday evening/night my trusty Digi002R died on me, which came at a very bad time as I had recordings today...

replies: 30 views: 7,883
Avatar for davetech
davetech 6 days ago