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Avatar for MicroSonic

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

MicroSonic
replies: 66 views: 82,192
Avatar for Philbo King
Philbo King 1 week ago
Avatar for Tim Farrant

The GUTZ

136


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

Tim Farrant
replies: 1,071 views: 449,979
Avatar for gyraf
gyraf 2 weeks ago
Avatar for gabriel1

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

gabriel1
replies: 16 views: 39,347
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: 28,283
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for bangbang

Analog eq causes phase distortion, right? Do the hi pass and internal caps in a microphone do the same thing? I think they...

bangbang
replies: 2 views: 128
Avatar for bangbang
bangbang 59 minutes ago
Avatar for Whoopysnorp

I've been eyeing the Microphone Parts SDC kit lately. I have a couple of MXL603s that never get used, and either I'll mod them or...

Whoopysnorp
replies: 16 views: 1,706
Avatar for Birdlives1955
Birdlives1955 2 hours ago
Avatar for boriscrispin

Hi guys, this is a long shot - but I've obtained a rackmount MXR-171 eq, and it's got noise/hum issues and a bit of hiss on...

boriscrispin
replies: 1 views: 1,633
Avatar for recordinghopkins
recordinghopkins 8 hours ago
Avatar for darkscorch

Hello, I picked up an MG-1 with a few issues a few months ago for a great price. I've found the service manual online, but...

darkscorch
replies: 0 views: 106
Avatar for darkscorch
darkscorch 9 hours ago
Avatar for Systolic

I was given a SPX90II. It powers on, the menus work, it sees the input signal, but no sound is output on either channel. Is...

Systolic
replies: 57 views: 17,850
Avatar for iLCacciLLo
iLCacciLLo 17 hours ago
Avatar for jimj3114

Hi! I love my little passive SM Pro Nanopatch 2 passive monitor controller, but it doesn't have a switch to select an...

jimj3114
replies: 0 views: 130
Avatar for jimj3114
jimj3114 19 hours ago
Avatar for Hint

Hi all I'm hoping someone can help me diagnose an issue with my monitors. I have a pair of SE Munro Egg150s, bought...

Hint
replies: 29 views: 2,115
Avatar for boyz001
boyz001 20 hours ago
Avatar for grizzlycables

Does anyone know where i can find neutrik connectors cheap wholesale. I've been looking everywhere and the prices are always the...

grizzlycables
replies: 16 views: 620
Avatar for Brent Hahn
Brent Hahn 21 hours ago
Avatar for Tahoebrian5

Anyone know if a Drip still makes these boards? I'm just curious as I've come across a lot of threads about them but nothing...

Tahoebrian5
replies: 0 views: 167
Avatar for Tahoebrian5
Tahoebrian5 21 hours ago
Avatar for dvdr

I am hoping for some advice here: I got myself a used TL Audio A 4 summing unit. Mint condition, but on closer inspection, it...

dvdr
replies: 0 views: 163
Avatar for dvdr
dvdr 1 day ago
Avatar for dreadbizniz

If you require schematics / user manual for the EMT 258 noise filters i am currently racking a pair and have this data document...

dreadbizniz
replies: 3 views: 1,564
Avatar for tron23
tron23 1 day ago
Avatar for noah330

Hi, I have done a lot of searching and can't find a product to do what I need. I need a mute switch that simply mutes my...

noah330
replies: 6 views: 1,121
Avatar for Richard Crowley
Richard Crowley 1 day ago
Avatar for Gzmo

Dear all, hope someone could help me. I need a help to find any service manual for Tweed Audio consoles. It looks a really...

Gzmo
replies: 47 views: 16,404
Avatar for RE201
RE201 1 day ago
Avatar for Alvin Row

Hey i dont know if this is the right section to ask but i am working on my russian TOM 1501 synth and i noticed that some of the...

Alvin Row
replies: 9 views: 352
Avatar for Alvin Row
Alvin Row 1 day ago
Avatar for tomatoKetchup

Hello all, I'm doing a bit of investigation on this filter and trying to figure out: what was the famous "critical"...

tomatoKetchup
replies: 2 views: 267
Avatar for tomatoKetchup
tomatoKetchup 1 day ago
Avatar for niva

Hello sluters! I am looking for various Yamaha PM-2000 bits and parts. The most valuable ones are: - Knobs - PSU...

niva
replies: 8 views: 644
Avatar for niva
niva 1 day ago
Avatar for dsaudio

I'm wondering what is causing the periodic static bursts on output #14 on my Alesis HD24XR recorder. The static only appears on...

dsaudio
replies: 1 views: 262
Avatar for Jim Williams
Jim Williams 1 day ago
Avatar for forestcreature

What is the "demodulated follower", e.g. pin 10 on a CD4046? I think I understand that it follows the correction...

forestcreature
replies: 0 views: 223
Avatar for forestcreature
forestcreature 1 day ago
Avatar for Jack Duelisis

Hi I have a weird problem. My OB8 has a tuning issue. Around E4, it drops about 3,2 semitones. The calibrations are ok the...

Jack Duelisis
replies: 21 views: 1,580
Avatar for Sonate
Sonate 1 day ago
Avatar for iltrich

Hello, I have a DBX 166XL Compressor/Limiter/Gate :facepalm:. Is there anyway to modify it to improve its performance? Is the...

iltrich
replies: 6 views: 2,606
Avatar for LifeWhyz
LifeWhyz 2 days ago
Avatar for Hollowman9

I have begun making modifications to an old Univox Maxi-Korg synthesizer. When I bought the unit it was partially functioning...

Hollowman9
replies: 32 views: 1,204
Avatar for Hollowman9
Hollowman9 2 days ago
Avatar for The Untuned

My Korg DRV 3000 (vintage reverb/delay) says in the display: internal memory low. So I have to change the internal battery. I...

The Untuned
replies: 1 views: 277
Avatar for Northamusi
Northamusi 2 days ago
Avatar for BHW

I have problems with my Zoom 9010, if i switch to routing 3 and use on e1 and e2 and phaser. I have problems on the e1 channel....

BHW
replies: 0 views: 204
Avatar for BHW
BHW 2 days ago
Avatar for MrTeach

Im an old musician/composer who decided to make something again after over 25 years of pause. Have some old relic instruments...

MrTeach
replies: 3 views: 339
Avatar for zamproject
zamproject 2 days ago
Avatar for Spano

Hey everybody how are you? ^^) I want to try building a guitar cabinet it seems like it could be an easy way to really branch...

Spano
replies: 8 views: 673
Avatar for lame pseudonym
lame pseudonym 2 days ago
Avatar for jetproplabs

I have a lomo 19a9 that I bought about ten years ago. The power supply is a pretty straight forward box like a neumann, AKG,...

jetproplabs
replies: 12 views: 2,353
Avatar for rozovoku4e
rozovoku4e 3 days ago
Avatar for rachtaia

Hi I was looking for a service manual and someone suggest me to ask here. I repair some old stuff as tube amps, pedals,...

rachtaia
replies: 1 views: 346
Avatar for Synth Guru
Synth Guru 3 days ago
Avatar for SP2016

I own a brand new Eventide Orville (old stock) and intended to use it again. When it boots it says it is a DSP7000 (!!), and get...

SP2016
replies: 7 views: 411
Avatar for electricsound
electricsound 4 days ago
Avatar for Pinebox Studio Services

I have a PSU for a Gefell UN-920 that has a patter selector switch which has mechanically failed. I contacted Gefell and they...

Pinebox Studio Services
replies: 1 views: 307
Avatar for Pinebox Studio Services
Pinebox Studio Services 4 days ago
Avatar for wolf1419

Hello, I'm a DIY guy that gets things fixed if I have some guidance. A used Yamaha AW1600 Digital Multitrack that I own , has a...

wolf1419
replies: 7 views: 486
Avatar for wolf1419
wolf1419 4 days ago
Avatar for tasoshobby

Greetings people! Im posting about a pair of ESI Near05 classic, which need a new tweeter speaker as i have done the one! I...

tasoshobby
replies: 1 views: 340
Avatar for tasoshobby
tasoshobby 4 days ago
Avatar for Blissy

My SPX 90 is really noisy. i believe it is the power supply. It gets very hot, I think its on it's way out. was thinking of...

Blissy
replies: 9 views: 1,081
Avatar for soulguitar
soulguitar 4 days ago
Avatar for crzmky

So the tiny fuse in the Phantom power circuit has blown at some point on the 8304 here at the studio I work at. Was wondering if...

crzmky
replies: 2 views: 267
Avatar for crzmky
crzmky 5 days ago
Avatar for ArKay99

I bought an AVID Artist Mix a few months back and it's been working great. Today during a session without touching it I hear a...

ArKay99
replies: 17 views: 4,970
Avatar for Legali
Legali 5 days ago
Avatar for mr. harrison

hi there, me and my tech are about to give up on this tuning problem my P5 has. only voices 4 and 5 of osc b are not tuning...

mr. harrison
replies: 0 views: 269
Avatar for mr. harrison
mr. harrison 6 days ago
Avatar for Martel80

Hello, I'm looking for the Schematic for the Series 800. If anyne got them, I would really appreciate if they could...

Martel80
replies: 3 views: 652
Avatar for Martel80
Martel80 6 days ago
Avatar for steefaan

Hi People, i have a little Problem with my Ensoniq ESQ-1. The Filter Cutoff don't open right. The sounds missing...

steefaan
replies: 3 views: 549
Avatar for Man-Machine
Man-Machine 6 days ago
Avatar for Princeton.Verb

Lately I've noticed that I have to use quite a lot of gain on my mic pres to get a good level out of my Phanthera V. I decided...

Princeton.Verb
replies: 10 views: 1,071
Avatar for Princeton.Verb
Princeton.Verb 6 days ago
Avatar for noah330

Hi, I am currently working on building myself an 8 channel summing mixer from the NY Dave schematic that has been floating...

noah330
replies: 15 views: 612
Avatar for forestcreature
forestcreature 6 days ago
Avatar for Riinehart

Hi all, I'm trying to bring a Crumar Performer back to life. It looks like a previous owner made some sort of modification to...

Riinehart
replies: 2 views: 724
Avatar for analog greg
analog greg 6 days ago
Avatar for DanFor

Does somebody has a copy of any firmware version for Yamaha KX88/76 master keyboard? I just bought KX76 with some issues and...

DanFor
replies: 3 views: 546
Avatar for DanFor
DanFor 1 week ago
Avatar for RichRadio

hey guys This is my first post here so apologies if I'm not in the right place! I have been playing around with a...

RichRadio
replies: 0 views: 257
Avatar for RichRadio
RichRadio 1 week ago
Avatar for Chagalj

There has been alot of talk about importance of conversion in recording chain, and lots of people want to know which AD/DA chip...

Chagalj
replies: 379 views: 245,541
Avatar for onlyme
onlyme 1 week ago
Avatar for Rockman Rock

Hello, I think I might need a new drive for my e4xt every time I try to save anything it won't work and every time I try to flash...

Rockman Rock
replies: 1 views: 319
Avatar for dfchandler
dfchandler 1 week ago
Avatar for tubeing

Hi all, I was using my Apogee to calibrate another piece of gear and I realized that the balanced line outs are...not very well...

tubeing
replies: 7 views: 336
Avatar for tubeing
tubeing 1 week ago
Avatar for BradM

I just scored an Otari MX55 in good condition with MRL tape, 8 reels of unopened tape and a HandiMag for $200 this morning. I'm...

BradM
replies: 17 views: 5,653
Avatar for feadan
feadan 1 week ago
Avatar for Sadomiso

Hi, Any recommendations for old gear repair/servicing (Urei 1176, Dynachord delay, Api EQs....)? Not John Klett whom I already...

Sadomiso
replies: 4 views: 431
Avatar for RKelly
RKelly 1 week ago
Avatar for sameal

I've seen this done before, but im curious if theres an exact science, has to be, about placement of the preview head on an...

sameal
replies: 30 views: 934
Avatar for Ingenia
Ingenia 1 week ago
Avatar for belzrebuth

I got a nova modded SH-101 having the following issue: The LFO is always routed to the filter except if I plug a jack cable on...

belzrebuth
replies: 1 views: 343
Avatar for belzrebuth
belzrebuth 1 week ago
Avatar for hemi666

Hi all, I have an Akai VX-90 which has been acting a bit funny, not tuning, voices not behaving as expected. I have a couple of...

hemi666
replies: 3 views: 505
Avatar for hemi666
hemi666 1 week ago

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