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

replies: 82 views: 115,246
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MicroSonic 3 weeks ago
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: 1,141 views: 538,682
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msbettyhunt 16th June 2020
Avatar for gabriel1

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

replies: 19 views: 53,846
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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: 42,932
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msbettyhunt 24th March 2020
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: 21 views: 1,919
Avatar for mikeij
mikeij 2 hours ago
Avatar for ddanyboy

hi when i visited my girlfriends father he had an old dynacord super (echocord s 62) in his garage. pretty dusty, havent been...

replies: 22 views: 12,528
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oldsmobuick 6 hours ago
Avatar for cuba1956

Hi guys, hope I'm in the right section. I've recently purchased Studer 904 console in working order, but a bit rough around...

replies: 2 views: 338
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cuba1956 8 hours ago
Avatar for craigmorris74

I have an unbalanced piece of hi-fi gear that I would like to use in the studio. Could I add transformer inputs and outputs to...

replies: 35 views: 968
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craigmorris74 11 hours ago
Avatar for Pthax

Hi, These days, I am so curious about recording in the BOX and Mixing with the help of outboard gears,sometime in the BOX; simply...

replies: 0 views: 74
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Pthax 14 hours ago
Avatar for Mav74

While cruising yesterday night on the net I came across this song Which synth has been used at min....

replies: 0 views: 79
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Mav74 16 hours ago
Avatar for Philbo King

I don't need to do repairs, but I make a habit of collecting tech docs for all my studio gear. I did a search on the web for JBL...

Philbo King
replies: 1 views: 82
Avatar for rez
rez 18 hours ago
Avatar for raid

I'd like to replace all of the pots in my Pro-One for higher quality ones, but it's got me thinking. Since this synth has pots...

replies: 5 views: 237
Avatar for rez
rez 18 hours ago
Avatar for Anonimiss

I have a Behringer UMC404. Accidentally plugged the wrong power cable into it while rearranging my desk. I immediately unplugged...

replies: 1 views: 110
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JoeRivers96 19 hours ago
Avatar for mogazi!

Hello, I'd like to replace the Japanese internal transformer of my Korg MS-10 with a 240v one. Judging from the schematics (see...

replies: 6 views: 810
Avatar for uOpt
uOpt 1 day ago
Avatar for Gorquin

Hey all, I need suggestions and what to purchase. Price range $500-$600 and probably used to get the most bang. I played...

replies: 4 views: 180
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Gorquin 1 day ago
Avatar for stonevibe

Hi I'm new here so not sure if this is the right place to post this... I have an EMU AUDITY 2000 that isn't well, it is on OS...

replies: 9 views: 4,705
Avatar for mark pawley
mark pawley 1 day 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: 181 views: 22,280
Avatar for Tomás Mulcahy
Tomás Mulcahy 1 day ago
Avatar for subframe

I am building some cables to connect synths to DI in a small desktop space. They cables might get moved occasionally, but it's...

replies: 1 views: 940
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subframe 2 days ago
Avatar for Jeff D.

Hi Gurus, I've got an ATR100 with a hum problem. There is no hum at all when it's in input. But when I switch to repro I hear...

Jeff D.
replies: 10 views: 1,220
Avatar for blcstudio
blcstudio 2 days ago
Avatar for BartR

I'm working on a project and as many, as example I got the Schoeps CMC3-5 schematics to work with. I'm wondering what are the...

replies: 4 views: 247
Avatar for kirkus
kirkus 2 days ago
Avatar for Skeltonmfc

Hi guys Could anyone recommend the right type of relay I could use to make a speaker switch to switch between 2 amps and 1...

replies: 9 views: 255
Avatar for Jim Williams
Jim Williams 2 days ago
Avatar for ian1101

I just bought 2 Soundcraft Delta mixers, a 24 channel and an 8 Channel. The 24 channel did not come with a power supply, and the...

replies: 22 views: 12,339
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Jim Williams 2 days ago
Avatar for Dramatix

I'm looking at replacing/upgrading the tube in my LDC mic. It accepts the 12AX7, 12AY7, 12AT7 variety. What's your opinion on...

replies: 0 views: 104
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Dramatix 2 days ago
Avatar for RockTheRoll

Hello. Appreciate the help. How would I go about attaching a new battery to the board if the +/- contact flaps have broken off?...

replies: 9 views: 3,088
Avatar for Thomas W. Bethe
Thomas W. Bethe 2 days ago
Avatar for audio6

if you are old school like me you will appreciate this low tech solution to a typical circumstance , how to share audio and video...

replies: 1 views: 124
Avatar for Cabirio
Cabirio 2 days ago
Avatar for smilan

Hi, The LED meters on my Amek Angela have this problem that it takes about a minute for the LEDs to shout down after the music...

replies: 8 views: 847
Avatar for Bitsmith
Bitsmith 3 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: 18 views: 3,335
Avatar for Crash
Crash 3 days ago
Avatar for neumannizer

Hi I need schematic for Behringer Edison EX1, can somebody help me? Also if anyone has any experience with mods on this...

replies: 8 views: 2,987
Avatar for kwazi
kwazi 3 days ago
Avatar for Brett 123

Hi there, Does anyone know about this? I can find two different versions on the web, not sure which one is correct ?...

Brett 123
replies: 6 views: 1,552
Avatar for enginefire
enginefire 3 days ago
Avatar for dlietvon

Hello to everyone, I have just acquired a Multivox MX-201 for a very good price from a local classified ads website. Everything...

replies: 0 views: 119
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dlietvon 3 days ago
Avatar for eagle007

I have a 1176 Blue Stripe, custom build unit, but it broke down. My transformer is running really hot, and it needs...

replies: 1 views: 215
Avatar for BarryLimestone
BarryLimestone 3 days ago
Avatar for myshkin

i'm setting up my home studio, trying to figure out how to route everything. one possibility involves going out from the...

replies: 25 views: 10,166
Avatar for Cabirio
Cabirio 3 days ago
Avatar for JJSound21

Hey guys, I just got a used Alta Moda Hippo compressor off of Reverb for a pretty good deal. Apart from some cosmetic issues,...

replies: 1 views: 507
Avatar for studiobhb
studiobhb 4 days ago
Avatar for cimic

Hi, I have a soundcraft 6000 which started with a solo fault. Every now and then the solo light would light up on the master...

replies: 14 views: 1,402
Avatar for michelley
michelley 4 days ago
Avatar for analogTinkerer

Hey all, I've had my JX-3P for a few months now and I must say that I really enjoy it. However I would really find it useful...

replies: 5 views: 1,506
Avatar for Rainer K
Rainer K 4 days ago
Avatar for dannykorrson

man it hurts typing this out; I was playing my cs50 recently when I suddenly heard a soft pop and noticed afterwards only 3/4...

replies: 5 views: 934
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dannykorrson 4 days ago
Avatar for Robert Machine

Can someone tell me how to bias a Ibanez TSA15H amp with a multimeter? Itb as 2 - 6V6GT tubes. I had to replace the bias trim...

Robert Machine
replies: 6 views: 2,016
Avatar for zulumonk
zulumonk 4 days ago
Avatar for MatrixClaw

I want to replace all the stock knobs on my SCA preamp with ones that fit the "original" design of the pres I have... ...

replies: 30 views: 9,620
Avatar for makinrecords
makinrecords 4 days ago
Avatar for Stumpy the Rook

Hello, everyone, I haven’t been on a forum since the Metro Amp, Harmony Central days long past. Been a lurker here for a while,...

Stumpy the Rook
replies: 11 views: 324
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Stumpy the Rook 5 days 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: 56 views: 18,303
Avatar for rp3703
rp3703 5 days ago
Avatar for markblockjzz

I have narrowed my choice down to these 2 pre-amps: Forssell, and John Hardy. Of the many great clean pres out there, these 2...

replies: 5 views: 859
Avatar for markblockjzz
markblockjzz 5 days ago
Avatar for Jarjar

Hi all, I just bought a 160X that needs a new compression ratio pot. Anyone know a source for these or an equivalent part...

replies: 6 views: 1,321
Avatar for rfreeman
rfreeman 5 days ago
Avatar for Statherian

Hello I have a Redco Bantam patch, with DB25. I seem to have a issue with one channel where Ground and Cold are touching each...

replies: 2 views: 191
Avatar for Statherian
Statherian 5 days ago
Avatar for audio6

I hope I landed at the right place. I have some machine shop experience and would like to make my own tape transport for NAB...

replies: 3 views: 189
Avatar for gyraf
gyraf 5 days ago
Avatar for brijem

I know there are endless threads about the ART VLA Pro II and the various mods possible, but that's part of the problem - too...

replies: 1 views: 911
Avatar for GSStudio
GSStudio 5 days ago
Avatar for Xlat808

My Behringer Neutron was working fine for a few days, then I tried some wild FM patches on it, and now my high pass VCF doesn't...

replies: 2 views: 174
Avatar for Xlat808
Xlat808 6 days ago
Avatar for xeper

Hi, Couple weeks ago I bought an old Fernandes Stratocaster guitar (80's I think) and my friend who repairs guitars took care...

replies: 5 views: 9,983
Avatar for roseblood11
roseblood11 6 days ago
Avatar for Spano

like id like to see some diagrams of existing filters, understand what they do what they mean experiment and see what...

replies: 1 views: 192
Avatar for gyraf
gyraf 6 days ago
Avatar for Chadr

Hello, I need some advice regarding a couple issues I’m having with my console. Console: Soundcraft Sapphyre 36...

replies: 4 views: 294
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Chadr 6 days ago
Avatar for vintagefreak

Hi to all Gearslutz, not sure if i am posting in the right section , but here it comes: I can hear a very tiny soft sound...

replies: 2 views: 1,523
Avatar for vintagefreak
vintagefreak 6 days ago
Avatar for sonotor

hello I have a sony mxp 29 mixer and I would like to add a direct out on each channel! Could you help me to pick the signal...

replies: 26 views: 6,762
Avatar for bagomusic
bagomusic 6 days ago
Avatar for crackerbarn

I will try my best to keep this as short as possible but I am in need of patchbay routing help. Here is my gear: 24(24 in and...

replies: 1 views: 168
Avatar for ripple_fx1
ripple_fx1 1 week ago
Avatar for Alexsaitek

Hello everyone:), it is my first post, although I have been looking for information in this forum I have several questions...

replies: 1 views: 311
Avatar for rez
rez 1 week ago
Avatar for bobemmett

Does anyone have any contact info or know who the current techs are at east west?

replies: 0 views: 167
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bobemmett 1 week ago


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