OK, something to spice up Geekslutz = here is where we post images of the INSIDE of audio equipment. Disclaimer; any photo...

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

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

Anyone who offers technical services should get themselves listed into the new member directory here... Gearslutz Directory:...

There has been alot of talk about importance of conversion in recording chain, and lots of people want to know which AD/DA chip...

My basic question: Is there significant difference in light quality/eye strain between different manufacturers of OLED...

Looking for copy of service or operation manual for either National VP-7750A or Topward TWF-733 They seem to be the same meter...

Hi everyone, I’m currently restoring an Amek BCII (large frame size) studio format console. I bought it without power supplies....

Hi guys. I'm new to the vintage transformer scene, and am looking for some assistance. Can someone tell me the difference between...

After a couple months I've finally got my Sapphyre up and running. Had to rebuild both supplies, replace some hardware on the...

I have a camcorder (Sony AX53) and I want to connect a dynamic mic through its mic jack. This would require unbalancing the...

I am considering purchasing a TK audio bc501 Buss compressor. It has Great reviews. Does it matter that it has surface...

I recently bought a Lexicon Prime Time 93 from the U.S. It apparently left in good condition but arrived with the delay circuit...

I´ve found an old Dynacord ADS at my workplace and I wondered what this thing would sound like. So I tried to power on - and...

Hi all. A buddy of mine dropped off two industrial research products transversal eqs yesterday. I tried the old googling but...

I have seen some of you guys are members of GroupDIY as well.... I have tried to register on this site with ZERO success. Is...

I should know....but can someone tell me what each wire on an AC701 Tube is, and which is which? Thanks.

Im trying for the third time to correctly connect a Sony SRA-3 preamp to a neutrik 1/4" patch bay. The Sony has TS mic in,...

Hello, I had been looking around quite a bit, but couldn't find a good answer for this. I recently purchased a used M147, and...

Is it possible, and cost effective, to re frequency an old 600 Mhz IEM transmitter/receiver system. In other words, change out...

Hey guys. Ive recently bought a Soundcraft 600 mixing console and have been cleaning it up. I've come across an issue I just...

Hi Friends. I have a fundamental question that I have been wondering about for so long and was hoping to get some deeper...

I have a couple RSP-550's. One has a working but faded backlight. The other backlights are dead. That unit uses an LED array...

So, I'm powering on my Ghost after a full recap and cleaning. I've never had it running before (bought used w/o PS) so I don't...

I grabbed an early 80s Peavey Backstage (the 20 watt colored knob one that introduced the saturation control) cheap about a year...

I am trying to use the tally output (TB All Tally) on an SSL AWS948 to turn on a red light. I was advised by SSL to use an...

Yello, does anyone recognize the caps in these pictures? They are around 7x7x2 mm. If these are not made anymore what would a...

My knowledge about electronics is very limited, so I was wondering if I could get some guidance about these capacitors in a...

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...

I have a shure 515SBG-18x microphone which has a switch on the microphone that can be wired to a controller for push to talk...

Hi! I'm working on a module with some digitally-generated, configurable LFO's/pitch CV's and playing around with a TI DAC8574....

So I recently came into possession of A WHOLE HEAP of electronic components. I'd like to build an amplifier or two on the cheap,...

Hey Folks, I started a little hardware project and now that most of it is working, I'm confident enough to share it outside of...

Hi all, I bought a TLM 103 from a "buy and sell" site similar to ebay here in my country. Upon receiving it, I...

Hello all, I just recently acquired a used Crane Song HEDD Quantum - and I'm loving it! - however, the Triode pot is slightly...

Welcome to exactly what the title of this thread suggests! And let me go straight to the disclaimer for all you millennial-,...

I set a J201 up as a self-biased common source amp with 24V DC supply. I have about 15dB of clean gain, pleasant symmetrical...

Good day everybody. I own an Akai MPK88 midi controller. Three keys have problems hitting full velocity. These particularly...

Says it's disabled... anybody know how can I register? I wanted to ask some questions about Hairball's preamp kits over there and...

Oscillator A on my Prophet 600 is unpredictable with regards to tuning. I've scaled it correctly but the problem still remains. ...

Hi everyone, So I've been trying to fix two dead keys in my Novation Impulse 61 MIDI keyboard.:synth: A proper inspection...

Hi folks, a friend owns an Art Pro VLA II that he doesnt´t use anymore, so he will give it to me for free the next days. I love...

I just picked up this console from a customer of mine in Woodstock NY. I sent some pictures to my old school studio tech friend...

Hi, I have a late 80's Soundcraft Series 6000 which is no longer in use @ the studio however I always liked the flavour of the...

I'm trying to put a 240x60 6963 style LED screen into a device that uses a 12 pin, 4bit protocol instead of the usual 22 pin, 8...

Hey Gang Has anybody else had this problem? I am getting no sound from the main, direct, or headphone outs. I reinitalized the...

Can you recommend me the best tube to use with spl mk2-t vitalizer? Unit has stock Sovtek 12AX7LPS tubes (one operating in stereo...

I picked up a Wavestation keyboard a couple of months ago. Aside from a dead battery and typical failing/dead backlight with the...

Hey guys, yesterday i turned my moog subphatty on, and i realised that the white noise wasn't working anymore (you can mix 2 OSC...

Hello all, About a week ago my left studio monitor (krk vxt8) started making a horrible crackling and popping noise. I tested it...

Hi, I've come a long way and I'm working my way through fixing a DR 110 I picked up second hand and there appears to have been...

I just picked up a REV2496 V-Verb and the display seems a little washed out with some faint lines running down it. I'm wondering...

I'm hoping to confirm that the underside of the Presonus Firestudio has screws or some kind of grounding/fastener that connects...

Tonight the 17v +/- lights went out on my power supply. I have yet to remove it from the rack, but I was curious to see if anyone...