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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: 550,275
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PurpleOhmAudio 2 days 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: 118,408
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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: 55,401
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: 44,446
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msbettyhunt 24th March 2020
Avatar for Lawrence2000

Hello People, hope you can help me. About the recorder: The input level on the first 3 tracks is quite low. When I m testing...

replies: 0 views: 46
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Lawrence2000 1 hour ago
Avatar for salomonander

Hey there, Im not finding the error although i tried hard. Maybe someone is smarter than me. Its an 8 channel peakmeter. It...

replies: 4 views: 120
Avatar for salomonander
salomonander 2 hours ago
Avatar for PurpleOhmAudio

Hey guys, Anyone recognise this shape of mic? Was it an old kit mic to build at home? It is the same size as an SM57 type,...

replies: 3 views: 122
Avatar for Thomas W. Bethe
Thomas W. Bethe 3 hours ago
Avatar for zumazmusic

Years ago my buddy gave me this DI Box. It belonged to his father who died suddenly, of a heart attack. He was a career cruise...

replies: 8 views: 178
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zumazmusic 6 hours ago
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: 8 views: 335
Avatar for Rick Dalton
Rick Dalton 10 hours 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: 6 views: 338
Avatar for Jim Williams
Jim Williams 13 hours 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: 3 views: 166
Avatar for tmarra
tmarra 15 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: 3 views: 179
Avatar for Peter Pav
Peter Pav 16 hours 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: 2 views: 126
Avatar for Riley Casey
Riley Casey 17 hours ago
Avatar for arch1

Turned on my ghost 32 power supply and it died on me. CPS 275. No power to the board, fan stopped also. The center and right...

replies: 34 views: 2,983
Avatar for innerbooty
innerbooty 21 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: 28 views: 6,442
Avatar for Jim Williams
Jim Williams 21 hours 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: 183
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PurpleOhmAudio 23 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: 8,053
Avatar for chris661
chris661 1 day 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: 8,918
Avatar for themenes
themenes 1 day 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: 14,589
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carolcappetta 1 day 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: 1,048
Avatar for soul.
soul. 1 day 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: 357,128
Avatar for bili23
bili23 1 day 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: 234
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: 763
Avatar for Thomas W. Bethe
Thomas W. Bethe 2 days 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: 201
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Cris_ProMusic 2 days 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: 185
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Sin1949 2 days 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: 277
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PurpleOhmAudio 2 days 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: 1,411
Avatar for vincentsemper
vincentsemper 2 days 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: 2,675
Avatar for ache1978
ache1978 2 days 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: 105
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Brosefski 2 days 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: 121
Avatar for NeveSSL1
NeveSSL1 2 days 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: 415
Avatar for golden_ears
golden_ears 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: 86 views: 12,076
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: 422
Avatar for UncleGroOve
UncleGroOve 3 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: 193
Avatar for Pieroom
Pieroom 3 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: 210
Avatar for analogguru
analogguru 3 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: 2,019
Avatar for Nunobali
Nunobali 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: 3,268
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: 3,120
Avatar for knob twiddler
knob twiddler 4 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: 914
Avatar for bangbang
bangbang 4 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: 161
Avatar for ma_headphone
ma_headphone 4 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: 1,057
Avatar for ma_headphone
ma_headphone 4 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: 123
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Chicharones 4 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: 150
Avatar for CFB4
CFB4 4 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: 25,164
Avatar for Tomás Mulcahy
Tomás Mulcahy 4 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: 144
Avatar for dioniZz
dioniZz 5 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: 14,766
Avatar for sonicdom
sonicdom 5 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: 259
Avatar for elegentdrum
elegentdrum 5 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: 123
Avatar for bazsa82
bazsa82 5 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: 4,631
Avatar for u929
u929 5 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: 323
Avatar for Mr. Tom
Mr. Tom 6 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: 605
Avatar for buster.friendly
buster.friendly 6 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: 323
Avatar for kirkus
kirkus 6 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: 1,317
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: 651
Avatar for belzrebuth
belzrebuth 1 week ago


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