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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 but...

replies: 68 views: 86,542
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trondl 28th November 2018
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: 1,078 views: 466,800
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fazeka 16th October 2018
Avatar for gabriel1

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

replies: 16 views: 41,501
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: 30,315
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for trubadoor

Hello, I'm very new to using a soldering iron, but I've soldered a few hundred cable connectors so far and put together a...

replies: 8 views: 349
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trubadoor 36 minutes ago
Avatar for Franco the Manco

Hi, I have a pair of Alto Professional 210 s which i rent out for private parties where operation is not supervised....

Franco the Manco
replies: 4 views: 259
Avatar for Jay Rose
Jay Rose 2 hours ago
Avatar for Brian M. Boykin

I’ve read up on these and they seem more favorable because the cabinets are sized better for the drivers than say the 4411’s...

Brian M. Boykin
replies: 0 views: 60
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Brian M. Boykin 3 hours ago
Avatar for bubblebash

I've been buying adapters at thrift-stores for gear that didn't come with one, and getting a precise amperage match isn't always...

replies: 2 views: 316
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lame pseudonym 5 hours ago
Avatar for Xamobillis

Greetings, i am having a problem with a bass guitar mod and i need help. so i changed the wiring in a jazzbass to to use each...

replies: 13 views: 361
Avatar for Cabirio
Cabirio 5 hours ago
Avatar for bubblebash

I put a LED screen in my SDD3300, which went fine, but has left the inverter for the original backlight unconnected and noisy as...

replies: 0 views: 78
Avatar for bubblebash
bubblebash 6 hours ago
Avatar for 6dyslexicelephnt

I got a Ghost to be the centerpiece of my studio. I set up the patchbay and am able to get mixes going with outboard. It seems...

replies: 6 views: 298
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6dyslexicelephnt 6 hours ago
Avatar for ben_allison

The 053Ti tweeters in my LSR28P's are pooched. I really don't feel like spending $160/ea for replacements. Does anyone have...

replies: 0 views: 100
Avatar for ben_allison
ben_allison 9 hours ago
Avatar for kangyunmei

I used online filter calculator to find the value of each Hz filter for 6 channel mixer to match my hearing test to build a...

replies: 2 views: 208
Avatar for Jim Williams
Jim Williams 10 hours ago
Avatar for hitsville

hi there, Just build a DIYRE SB2 passive 16 channels summing box, and I'm running into an issue : one channel is about 1 db...

replies: 2 views: 149
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hitsville 12 hours ago
Avatar for jaguarmusicboy

Hey Folks I'm working on rehabilitating two vintage Gates broadcast consoles. One is a near mint tube "Dualux"...

replies: 6 views: 2,776
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terskelton 12 hours ago
Avatar for Hardmuncle

Hi, I've recently bought a Korg VC10 vocoder, however i'm told that its a Japanese model and will require a step down...

replies: 3 views: 318
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Hardmuncle 1 day ago
Avatar for taylorlipari

Hey all, I recently purchased an old Mackie MS1202 and it's in great working order. However, I would really like the Tape In...

replies: 0 views: 88
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taylorlipari 1 day ago
Avatar for bennymc

Hi Long time lurker here. There's a bunch of stuff about KRK monitors on the web and on this forum, but I can't seem to find...

replies: 2 views: 267
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bennymc 1 day ago
Avatar for tomhetas

Hey guys. A very kind member suggested to move my question to this thread. So recently I've bought an old Hill Audio Conecpt...

replies: 13 views: 439
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tomhetas 1 day ago
Avatar for monomer

Hi peeps. I was wondering if someone could say something about the relation between contact surface of jacks/plugs and signal...

replies: 21 views: 1,005
Avatar for u87allen
u87allen 2 days ago
Avatar for wiz1der

I just acquired 2 of these things at a very decent price. They sound ok, but it seems as if somethings holding it back from...

replies: 28 views: 12,250
Avatar for Brian M. Boykin
Brian M. Boykin 2 days ago
Avatar for shortyboyboy

Hello Gang, I have a Trident 65 that has a few channel strips that don't seem to be as strong as the rest. I am trying to...

replies: 8 views: 395
Avatar for Paul Gold
Paul Gold 2 days ago
Avatar for MicDaddy

Long story short: Saw an 'As-Is' non-working MD441 on ebay for too low of a price to stay away heh Sure enough it showed up...

replies: 14 views: 8,029
Avatar for alhe
alhe 2 days ago
Avatar for trondl

Bought this machine for cheap in very good condition a year ago and plan to give it at least new caps for the psu before I even...

replies: 3 views: 253
Avatar for DrewE
DrewE 2 days ago
Avatar for BrassElephant

Hi, I'd like to add a master volume to my 64 Deluxe Reverb. I found this site a few months ago: AB763 Mods by Robinette,...

replies: 5 views: 367
Avatar for Jim Williams
Jim Williams 2 days ago
Avatar for xhavepatiencex

I have had a pair of mk012s for years, I have the in line pad for them which I rarely use. What would I need to do to turn the...

replies: 1 views: 297
Avatar for alhe
alhe 2 days ago
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I picked up one of these recently and am awaiting parts to do my own rack job. Should be a fun DIY project. I am curious if...

replies: 0 views: 250
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alhe 2 days ago
Avatar for fogetti

So I ordered an amp from Thomann which is on its' way to Tokyo but after reading all the threads here I learned that I will need...

replies: 0 views: 231
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fogetti 2 days ago
Avatar for prophei

I am curious where I could find a suitable powersupply or powersupply circuit board with instructions that I could build up for a...

replies: 1 views: 285
Avatar for gyraf
gyraf 2 days ago
Avatar for Chaoschao99

Hello! I recently acquired a Neptune 610P powered 6 channel mixer and it has a few issues that I was hoping someone might have...

replies: 2 views: 293
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Chaoschao99 2 days ago
Avatar for Michael Lane

Hey all, I'm looking to build an XLR in/out pad pedal with little knowledge. Here's my situation. (Schematic attached) I have a...

Michael Lane
replies: 2 views: 278
Avatar for Radardoug
Radardoug 3 days ago
Avatar for itsob

I recently picked up a Tascam 564 in seemingly good working order that needs a bit of TLC & put to use. So far so good but I...

replies: 0 views: 280
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itsob 3 days ago
Avatar for Kevingrant16

Hey guys quick question which one of these laptop is good for music production Dell Alienware R17 HP ZBook G3 Acer Aspire V17...

replies: 0 views: 256
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Kevingrant16 3 days ago
Avatar for endorka

Hello folks, I recently bought a used Presonus Faderport (single fader version) from Ebay without the proper PSU. Works great...

replies: 14 views: 2,158
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Kevingrant16 3 days ago
Avatar for rabbit friendly

I want to run some tape loop experiments and wondering if you can monitor a live input from tape? For instance, I want to have a...

rabbit friendly
replies: 1 views: 286
Avatar for analogguru
analogguru 3 days ago
Avatar for sameal

Hi. Awhile back i built a p.s. for my soundcraft delta board ( off suggestions from many threads with many knowledgable...

replies: 5 views: 264
Avatar for sameal
sameal 4 days ago
Avatar for mixedbyjeff

Hi all, I have an Audix MXT-500 console here - is there any chance anyone has a full schematic or knows where to find one? I...

replies: 0 views: 272
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mixedbyjeff 4 days ago
Avatar for Gik

Hi all I have been looking at low cost altrenatives for microphone preamps lately when I came upon threads raving about the...

replies: 7 views: 1,215
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jml designs 4 days ago
Avatar for jml designs

I’ve got an old Urei LA-22 and it needs to be (apparently) terminated. I’ve seen guys put resistors across the output (was it...

jml designs
replies: 5 views: 335
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jml designs 4 days ago
Avatar for Jonk

How does one go about measuring the current of an opamp? I understand I need to change one of my multimeter leads to the...

replies: 5 views: 251
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DrewE 4 days ago
Avatar for 3stamme

Hi everyone. I was just wondering since i have been doing some looping lately - opening up some of my maxell tapes and cutting...

replies: 9 views: 391
Avatar for Richard Crowley
Richard Crowley 4 days ago
Avatar for SeanRyder

Hey All - I have had an intermetinet short in the right channel for a little while, which seems to be related to the ratio...

replies: 2 views: 289
Avatar for SeanRyder
SeanRyder 4 days ago
Avatar for alba359

Hello guys, Any help is greatly appreciated. I have a Behringer Ultra Curve Pro 8024 with low battery warning. Can anyone advise...

replies: 2 views: 489
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francociccio 5 days ago
Avatar for whatever17

Hi my AMDEK DMK-100 has started playing up - i'll do an audio example later - as soon as Effect is engaged, there's a...

replies: 2 views: 207
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whatever17 5 days ago
Avatar for bram

I have a nice little Audio Developments mixer, ad031. 8channel, basic filtering, 1 aux, dual compressor, inserts on the master....

replies: 7 views: 2,379
Avatar for Jim Williams
Jim Williams 5 days 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...

replies: 20 views: 3,190
Avatar for playon
playon 5 days ago
Avatar for KissMyRobot

Taking inspiration from Pre-Order Colour Modular Analog Saturator but simply because I don't own a 500 series rack, I was...

replies: 40 views: 4,397
Avatar for coso
coso 5 days ago
Avatar for Brian M. Boykin

I started combining a 16/4/2 and a 24/4/2 into a 32/8/2. The 8 bus’s have 2 tape returns each giving 16 total. Plan is to track...

Brian M. Boykin
replies: 20 views: 784
Avatar for Brian M. Boykin
Brian M. Boykin 6 days ago
Avatar for Alex Specht

Been looking for output stepdown transformers online and so far the only readily available inexpensive parts ive found are the...

Alex Specht
replies: 16 views: 820
Avatar for Alex Specht
Alex Specht 6 days ago
Avatar for schelmusic

Hello, Ive recently pickup this mixer at very low cost and plan to use it with my small home studio setup. The Foldback sends...

replies: 1 views: 2,324
Avatar for EvLoutonian
EvLoutonian 6 days ago
Avatar for Pella

Hi, Im in the middle of restoring a Studer A67 that totaly lacks damper grease in the tape tension dampers. Reading up on the...

replies: 10 views: 386
Avatar for GLouie
GLouie 6 days ago
Avatar for raal

i've seen different transformers on ebay all claiming to be the original parts found in an LA2A: UTC A10, UTC A24, UTC HA100x...

replies: 4 views: 1,859
Avatar for Jim Williams
Jim Williams 6 days ago
Avatar for RBBlackstone

I am looking at a Neumann U87 for a friend. It is getting +48v, but is missing 24 volts at the zener diode. I don't have the...

replies: 8 views: 411
Avatar for mbrebes
mbrebes 6 days ago
Avatar for Mandala69

I had a problem with my Waldorf Q Rack's "shift" button so I opened my Waldorf Q Rack to see if it was a problem I...

replies: 0 views: 211
Avatar for Mandala69
Mandala69 6 days ago


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