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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: 1,159 views: 550,209
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PurpleOhmAudio 1 day 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: 118,387
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waveterm 4 weeks ago
Avatar for gabriel1

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

replies: 19 views: 55,391
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: 44,435
Avatar for msbettyhunt
msbettyhunt 24th March 2020
Avatar for Radiotech96

Hey guys, Has anyone ever had any major water leak from the ceiling pouring water into their SSL 4000 series console? What was...

replies: 3 views: 181
Avatar for PurpleOhmAudio
PurpleOhmAudio 16 minutes ago
Avatar for Tibbon

I'm getting into repairing more gear, and finding that a huge percentage of the time, the problem on some gear is just...

replies: 0 views: 42
Avatar for Tibbon
Tibbon 1 hour ago
Avatar for PurpleOhmAudio

Hi there guys, a lot to get across with this question, so here goes! I have a Sontronics STC-2 which has developed a...

replies: 5 views: 170
Avatar for PurpleOhmAudio
PurpleOhmAudio 2 hours ago
Avatar for Sailor Hope

Hi, today the front capsule(?), or, the gridded 3-4mm steel cap on the front of the mic, just fell off - and all the high end...

Sailor Hope
replies: 52 views: 8,041
Avatar for chris661
chris661 3 hours ago
Avatar for nucelar

Hi all, Since TL Audio are out of business I don't know who to ask. I would need a service manual /schematic for a TL Audio...

replies: 16 views: 8,861
Avatar for themenes
themenes 16 hours ago
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: 27 views: 6,401
Avatar for PurpleOhmAudio
PurpleOhmAudio 16 hours ago
Avatar for heromusic

U67 tube


I need to replace the tube in my U67. Any suggestions on which one( brand) i should use? Thanks

replies: 36 views: 14,572
Avatar for carolcappetta
carolcappetta 18 hours ago
Avatar for soul.

Happy new year, Gearslutz! I need some help with my 1176 that stopped passing signal recently. I have confirmed it powers up,...

replies: 34 views: 1,021
Avatar for soul.
soul. 20 hours 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...

replies: 540 views: 356,947
Avatar for bili23
bili23 20 hours ago
Avatar for Peter Pav

In the early 1980's my band had an 8 track recording setup. We bought a DBX 160 new, (can't remember if it was an "a"...

Peter Pav
replies: 2 views: 150
Avatar for Jim Williams
Jim Williams 22 hours ago
Avatar for Mark Harris

Hello All, First of all, I hope you're doing well. Then, I hope my query is posted at the right place. Finally, please pardon my...

Mark Harris
replies: 5 views: 221
Avatar for Mesmerised
Mesmerised 1 day ago
Avatar for logic pro

Hi guys Im a long time DynAudio BM6a user, sadly i had to leave them behind when i moved, long story short i cant afford...

logic pro
replies: 6 views: 749
Avatar for Thomas W. Bethe
Thomas W. Bethe 1 day ago
Avatar for Cris_ProMusic

Hello friends! Im working to fix a Mackie HUI that I buy , with some logical problems. One of the pieces I like to test a...

replies: 1 views: 194
Avatar for Cris_ProMusic
Cris_ProMusic 1 day ago
Avatar for Sin1949

Hi, I bought the Echolette NG51S echo unit (Golden Cage) few weeks ago. When I plug in my guitar the dray signal is not going...

replies: 1 views: 174
Avatar for Sin1949
Sin1949 1 day ago
Avatar for PurpleOhmAudio

Hi there, I'm a beginner with recording, but do plenty of work on my guitar equipment and love messing around with FX pedals...

replies: 2 views: 268
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PurpleOhmAudio 1 day ago
Avatar for Ben_G7

Just kind of curious what the difference is between an SM57 and an SM58. I have the cheaper SM57 (a PGA57) and an SM58 and I...

replies: 2 views: 122
Avatar for loujudson
loujudson 1 day ago
Avatar for Blissy

Hey all, Would really appreciate it if anyone could point me in the direction of a Soundtracs PC MIDI 24 Manual. Thanks...

replies: 4 views: 1,401
Avatar for vincentsemper
vincentsemper 1 day ago
Avatar for slowrain

I have a Baby Bottle that has a buzz every time I use it in my studio, running it through my LA-610 or Grace 101 into a MiniME...

replies: 11 views: 2,664
Avatar for ache1978
ache1978 1 day ago
Avatar for Brosefski

Hello! For years I've just been lurking these threads, always looking at what people's opinions were on the gear they've...

replies: 0 views: 97
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Brosefski 1 day ago
Avatar for Soulriots

Hi. I’ve been considering buying the bullet on a 500 series chassis. I have read terrible things about the Midas L6 and L10,...

replies: 1 views: 110
Avatar for NeveSSL1
NeveSSL1 1 day ago
Avatar for golden_ears

After building a Command 8 power supply, I’m going to attempt a power supply for my Rane Hc6 (noted as a RS-2 rather than...

replies: 6 views: 405
Avatar for golden_ears
golden_ears 1 day 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: 86 views: 12,065
Avatar for soundbarnfool
soundbarnfool 2 days ago
Avatar for UncleGroOve

I'm getting my old studio up and running again and fired up my trusty Panasonic WR-DA7 mixing board. I was getting a...

replies: 7 views: 411
Avatar for UncleGroOve
UncleGroOve 2 days ago
Avatar for Pieroom

Hi there - Did anyone ever changed the diaphragm on a K+H 098 mid-range speaker? One of mine blew up. The voice coil is 38mm...

replies: 2 views: 179
Avatar for Pieroom
Pieroom 2 days ago
Avatar for niva

Hi all! I just got an old Sennheiser MD441 and 2 of the 5 tantalum caps are dead, so I want to replace them all as the 3 good...

replies: 3 views: 201
Avatar for analogguru
analogguru 2 days ago
Avatar for Uby62

Hi everyone! I need to repair a Ddrum AT module : the trigger inputs are not working and i have distortion on outputs, and the...

replies: 14 views: 2,011
Avatar for Nunobali
Nunobali 2 days ago
Avatar for TormyVanCool

Please here thee schematics of Lauten LA120 pencil mic. I reverse engineered it, in attempt to find a way to make this...

replies: 5 views: 307
Avatar for cathode
cathode 3 days ago
Avatar for owai

Hello, I'm trying to fix a Roland HP 2900g, but i can't find a schematic or a service manual. A small transistor...

replies: 16 views: 3,259
Avatar for Jovlie
Jovlie 3 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: 13 views: 3,112
Avatar for knob twiddler
knob twiddler 3 days ago
Avatar for ma_headphone

Hi. I'd like to add transformer colouring in my processing chain, I've been reading a bit on how it works, but it would be nice...

replies: 17 views: 896
Avatar for bangbang
bangbang 3 days ago
Avatar for ma_headphone

I built a DIY passive summing mixer but I have problems to pan channels at the exact center of the stereo field. The mixer is...

replies: 2 views: 151
Avatar for ma_headphone
ma_headphone 3 days ago
Avatar for valeot

i have a tl audio indigo 2012, this unit was working perfectly till one months ago, now some of the frequency potentiometers seem...

replies: 5 views: 1,049
Avatar for ma_headphone
ma_headphone 3 days ago
Avatar for Chicharones

So I am Canadian, I have been on a waiting list for 1 full year at our biggest music retailer to get one here and nope , no go....

replies: 0 views: 115
Avatar for Chicharones
Chicharones 3 days ago
Avatar for Systematic999

Hi Guys, this is my first time posting here hopefully I am in the right forum. Does anyone knows the size of the potentiometers...

replies: 1 views: 141
Avatar for CFB4
CFB4 3 days ago
Avatar for thomasdf

Hi all I'm a long time reader of this forum, and a newly registered member, from Paris, France. I bought a Yamaha SPX90...

replies: 195 views: 25,133
Avatar for Tomás Mulcahy
Tomás Mulcahy 3 days ago
Avatar for dioniZz

Hi all! As some of you know, the power supplies in the Soundcraft MTK line are not particularly reliable. They tend to overheat,...

replies: 0 views: 135
Avatar for dioniZz
dioniZz 4 days ago
Avatar for g4b0

My Dad got this thing at a studio closing in Munich. We've been planning to refurbish it step by step for a long time. But...

replies: 67 views: 14,743
Avatar for sonicdom
sonicdom 4 days ago
Avatar for sirko2

Hi, i'm interested in a more historical question. For decades, Lexicon designed Reverbs defining studio standards until...

replies: 7 views: 247
Avatar for elegentdrum
elegentdrum 4 days ago
Avatar for bazsa82

hi, I've got CL Audio C1 Compressor (2nd gen.) and the gain potentiometer is deffected. I tried bought a new one, but...

replies: 0 views: 115
Avatar for bazsa82
bazsa82 4 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: 58 views: 4,611
Avatar for u929
u929 4 days ago
Avatar for Mr. Tom

Hi, Have some nice vintage xformers here, And been thinking of building a DI box. Guitar/bass in- XLR + unbal out. Any...

Mr. Tom
replies: 5 views: 314
Avatar for Mr. Tom
Mr. Tom 5 days ago
Avatar for Salarssie

Hi, I'm not asking how to repair it - I cba fiddling around inside expensive equipment I'm not qualified to repair. I just...

replies: 1 views: 596
Avatar for buster.friendly
buster.friendly 5 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: 5 views: 314
Avatar for kirkus
kirkus 5 days ago
Avatar for nucelar

Hi there! Somewhat offtopic but anyway, I'm hoping for some ideas. I have a device that has several capacitive touch...

replies: 7 views: 1,306
Avatar for xavi104
xavi104 6 days ago
Avatar for belzrebuth

I got a alesis quadraverb that outputs a very loud hum rendering the unit unusable even though I can hear the effects...

replies: 4 views: 642
Avatar for belzrebuth
belzrebuth 6 days ago
Avatar for elrobis

Hi gear folks, I bought Rane SP-15 off of Ebay, it arrived today, so I connected it to give it a whirl. After about 10 minutes or...

replies: 0 views: 148
Avatar for elrobis
elrobis 6 days ago
Avatar for Paul Babiak

It's the 4-channel germanium mixer. It looks like the attached pic. Any leads on a schematic appreciated. Thanks. Paul Babiak

Paul Babiak
replies: 16 views: 5,992
Avatar for Mario del Rio
Mario del Rio 6 days ago
Avatar for Byron

Hi all, I have an NPNG DMP-2NW that needs a (hopefully minor) repair. The problem is no signal on channel 1. No action on...

replies: 4 views: 1,184
Avatar for Berndalen
Berndalen 6 days ago
Avatar for bassmuse

Hi all! Today I was messing with my amplification setup and accidentally turned on my Crown xti 4002 without any speakers...

replies: 16 views: 427
Avatar for Rick Dalton
Rick Dalton 6 days ago
Avatar for fvwelsh

I have a Mirage DMS-1 that’s seems to be loading sample data into RAM incorrectly on the lower half of the keyboard. The sound...

replies: 0 views: 136
Avatar for fvwelsh
fvwelsh 6 days ago


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