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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: 115,143
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MicroSonic 2 weeks ago
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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: 1,141 views: 538,354
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msbettyhunt 16th June 2020
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DSP Innovations has recently launched a FREE data sheet search site. The site, - Search Electronic Components ,...

replies: 19 views: 53,792
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msbettyhunt 27th March 2020
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Anyone who offers technical services should get themselves listed into the new member directory here... Gearslutz Directory:...

Tim Farrant
replies: 9 views: 42,884
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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...

replies: 1 views: 64
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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...

replies: 1 views: 843
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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...

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...

replies: 0 views: 54
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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...

replies: 5 views: 9,907
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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...

replies: 1 views: 112
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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...

replies: 1 views: 255
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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...

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...

replies: 2 views: 1,471
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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...

replies: 26 views: 6,698
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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...

replies: 1 views: 116
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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...

replies: 1 views: 257
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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...

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?

replies: 0 views: 121
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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...

replies: 5 views: 219
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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...

replies: 4 views: 143
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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...

replies: 31 views: 774
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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,...

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

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

replies: 9 views: 365
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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...

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...

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...

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...

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...

replies: 177 views: 22,036
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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...

replies: 42 views: 1,137
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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...

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....

replies: 0 views: 129
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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...

replies: 38 views: 5,086
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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...

replies: 3 views: 974
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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...

replies: 2 views: 173
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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...

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...

replies: 0 views: 117
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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...

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...

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...

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:...

replies: 1 views: 159
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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...

replies: 1 views: 143
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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...

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....

replies: 6 views: 396
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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...

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...

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...

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...

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...

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...

replies: 4 views: 235
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weenhillage 1 week ago
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There is some noise when I press the after touch. I have temporarily remedied it by unscrewing the front panel. I don’t see...

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?

replies: 55 views: 10,607
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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...

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


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