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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: 82 views: 115,143
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MicroSonic 2 weeks ago
Avatar for Tim Farrant

The GUTZ

139


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: 538,354
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msbettyhunt 16th June 2020
Avatar for gabriel1

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

gabriel1
replies: 19 views: 53,792
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: 42,884
Avatar for msbettyhunt
msbettyhunt 24th March 2020
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...

audio6
replies: 1 views: 64
Avatar for gyraf
gyraf 1 hour 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...

brijem
replies: 1 views: 843
Avatar for GSStudio
GSStudio 2 hours 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...

Xlat808
replies: 2 views: 102
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Xlat808 6 hours 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: 4 views: 1,064
Avatar for blcstudio
blcstudio 8 hours 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...

Gorquin
replies: 0 views: 54
Avatar for Gorquin
Gorquin 9 hours 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...

xeper
replies: 5 views: 9,907
Avatar for roseblood11
roseblood11 11 hours 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...

Spano
replies: 1 views: 112
Avatar for gyraf
gyraf 16 hours 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: 2 views: 113
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Stumpy the Rook 17 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...

cuba1956
replies: 1 views: 255
Avatar for zamproject
zamproject 20 hours ago
Avatar for Chadr

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

Chadr
replies: 4 views: 232
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Chadr 20 hours 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...

vintagefreak
replies: 2 views: 1,471
Avatar for vintagefreak
vintagefreak 1 day 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...

sonotor
replies: 26 views: 6,698
Avatar for bagomusic
bagomusic 1 day 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...

crackerbarn
replies: 1 views: 116
Avatar for ripple_fx1
ripple_fx1 1 day 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...

Alexsaitek
replies: 1 views: 257
Avatar for rez
rez 1 day 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...

ian1101
replies: 21 views: 12,232
Avatar for White Falcon
White Falcon 1 day ago
Avatar for bobemmett

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

bobemmett
replies: 0 views: 121
Avatar for bobemmett
bobemmett 1 day ago
Avatar for Saudade

Hi there, I have had this mic for maybe 20 yrs. Recently it started having this noise (click links to hear). There is still...

Saudade
replies: 5 views: 219
Avatar for gyraf
gyraf 2 days ago
Avatar for vashuba

Hey- So I doing a project and am ripping apart a Hotone pedal and want to swap the footswitch with a special switch. I contacted...

vashuba
replies: 4 views: 143
Avatar for Rick Dalton
Rick Dalton 2 days 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...

craigmorris74
replies: 31 views: 774
Avatar for enginefire
enginefire 2 days ago
Avatar for Andywidmann

Hi. Im having a power issue with my BLUE Robbie. Let me preface this by saying that I am not very knowledgeable on the subject,...

Andywidmann
replies: 10 views: 625
Avatar for jcrist
jcrist 2 days ago
Avatar for daveybasso

good lord ive never heard such a close, intimate vocal in my LIFE?....how close did they have the mic to her? was it down her...

daveybasso
replies: 9 views: 365
Avatar for cyjanopan
cyjanopan 2 days ago
Avatar for Starbucksstew

Greetings! Do any of you remember the brand/maker of the guitar pedal hook and loop that was designed exclusively for the bottom...

Starbucksstew
replies: 1 views: 111
Avatar for Cabirio
Cabirio 2 days ago
Avatar for DavidLMills

Hi there, I had a quick question about VU Meters and wiring. I know there have been a few posts about this but couldn't find a...

DavidLMills
replies: 25 views: 4,480
Avatar for roger
roger 2 days 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: 491 views: 333,064
Avatar for ardis
ardis 3 days ago
Avatar for shadebug

Preamble Hey, first time posting so let me know if I'm in the wrong place but I recently bought a D310 off reverb. It was the...

shadebug
replies: 2 views: 155
Avatar for Dr. Jule
Dr. Jule 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...

thomasdf
replies: 177 views: 22,036
Avatar for ghostwriter
ghostwriter 3 days ago
Avatar for emm853

Hi Everyone, i'm having big issues with my rocktron Patchmate (the Bob Bradshaw version). The machine starts up and the...

emm853
replies: 42 views: 1,137
Avatar for emm853
emm853 3 days ago
Avatar for mortimersnerdy

So, I have an original power supply that has a non original input connector, need the original connector to match up with new...

mortimersnerdy
replies: 6 views: 160
Avatar for jaddie
jaddie 3 days ago
Avatar for soundbeing

Hey gang, my tech has localized the issue I have with one channel of my AKG BX20e. It seems to be a common issue in these units....

soundbeing
replies: 0 views: 129
Avatar for soundbeing
soundbeing 3 days ago
Avatar for stevo991

I would like to start a thread for all of you slutz out there that has any info or schematics on AMEKS BIG, Recall, and 501 by...

stevo991
replies: 38 views: 5,086
Avatar for pinkpanter
pinkpanter 3 days ago
Avatar for plazareff

Hello All, After many exchanges with SSL support and before making a warranty claim, I thought it might be useful to share my...

plazareff
replies: 3 views: 974
Avatar for purplenoise
purplenoise 3 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...

BartR
replies: 2 views: 173
Avatar for kirkus
kirkus 3 days ago
Avatar for gerard68

My first post here, so I don't know if this is the right place to ask, but here it is. As the title says; I got one channel with...

gerard68
replies: 4 views: 3,510
Avatar for copperline
copperline 4 days ago
Avatar for diamondjim

I have a vintage Otari MX-7800 8 track 1 inch tape machine that I bought 10 years ago, used very little, then moved and just...

diamondjim
replies: 0 views: 117
Avatar for diamondjim
diamondjim 4 days ago
Avatar for hotrod79

Hi all, I have a question about a schematic symbol and I am hoping someone could enlighten me about it. The drawing shows digital...

hotrod79
replies: 3 views: 183
Avatar for Rick Dalton
Rick Dalton 4 days ago
Avatar for Ianneve

I just did my first 2. I'm no longer a Calibrating Virgin. I'm running Samplitude and I'm running a sine wav out at -16 and I...

Ianneve
replies: 28 views: 3,733
Avatar for Bob Olhsson
Bob Olhsson 4 days ago
Avatar for WFTETC1

Hello, can someone tell me how's this EQ called and which brand(unit direct under the C1), would be very nice to know, you guys...

WFTETC1
replies: 2 views: 581
Avatar for Soundclass
Soundclass 4 days ago
Avatar for mungu

Hi all - I am doing the final setup steps of my Sound Skulptor CP4500 and I am a bit stuck. Full schematic is here:...

mungu
replies: 1 views: 159
Avatar for mungu
mungu 5 days ago
Avatar for polaris26

Hello all - I just acquired a Roland SDE-3000 and hoping someone here can help me with a mystery before I start to try to...

polaris26
replies: 1 views: 143
Avatar for polaris26
polaris26 5 days 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: 5 views: 2,272
Avatar for LuizCamargo
LuizCamargo 6 days ago
Avatar for hotrod79

Hi all, this is my first thread and I am hoping to find a few who venture as far as I do when it comes to taking care of my gear....

hotrod79
replies: 6 views: 396
Avatar for hotrod79
hotrod79 6 days ago
Avatar for hedgehognrown

is a pot is a pot is a pot? for whatever reason, 250k/250k concentric pots seem to be thin on the ground and the only ones...

hedgehognrown
replies: 6 views: 250
Avatar for Cabirio
Cabirio 6 days ago
Avatar for tcross

Short rant: Bought the Presonus Eris 8 about 5 years ago and several months ago one lost power. Sent to Presonus for repair ($75...

tcross
replies: 0 views: 162
Avatar for tcross
tcross 6 days ago
Avatar for pencilextremist

I was wondering if it's possible to design/make my own dual VU/PPM meter? I know we are living in 2020 but there's just something...

pencilextremist
replies: 27 views: 536
Avatar for jaddie
jaddie 6 days ago
Avatar for WhiskyCast

Trying to help a friend of mine resolve a problem with his Senal UB-440 USB condenser mic (since I recommended he buy it for his...

WhiskyCast
replies: 3 views: 159
Avatar for Thomas W. Bethe
Thomas W. Bethe 6 days ago
Avatar for enginefire

Hey I’m tweaking out a urei562. I’m looking at the output section and want to add a pot to control the output drive. Any...

enginefire
replies: 5 views: 416
Avatar for Cabirio
Cabirio 1 week ago
Avatar for weenhillage

A yellow IC in the underside of the User interface Board. Some pins are removed/not connected. Is this somebody’s half assed...

weenhillage
replies: 4 views: 235
Avatar for weenhillage
weenhillage 1 week ago
Avatar for weenhillage

There is some noise when I press the after touch. I have temporarily remedied it by unscrewing the front panel. I don’t see...

weenhillage
replies: 0 views: 140
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weenhillage 1 week ago
Avatar for woods

Is this typically what a unit this price looks like under the hood?

woods
replies: 55 views: 10,607
Avatar for ginetto61
ginetto61 1 week 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...

Uby62
replies: 10 views: 1,381
Avatar for Uby62
Uby62 1 week ago

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