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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: 457,640
Avatar for fazeka
fazeka 4 days ago
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: 66 views: 83,804
Avatar for Philbo King
Philbo King 11th August 2018
Avatar for gabriel1

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

replies: 16 views: 40,214
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: 29,046
Avatar for Aniol1349
Aniol1349 10th June 2017
Avatar for hourglass

Picked this up on the cheap and cracked it open to see what's what. I see some Hobart transformers, some 2068 and 4560...

replies: 3 views: 146
Avatar for JohnRoberts
JohnRoberts 1 hour ago
Avatar for tr0x

Hi, some time ago I bought an "unknown condition" Sony DPS-R7, it arrived at my home packaged with a light cardboard...

replies: 4 views: 486
Avatar for tr0x
tr0x 3 hours ago
Avatar for Alex Specht

Building preamp/eq with low power LT1013/1014 opamps. 10 + stages total for filters/eq. when i get to the high shelf section...

Alex Specht
replies: 4 views: 176
Avatar for Alex Specht
Alex Specht 6 hours ago
Avatar for jgec

Hi, I've a few bits and pieces in my racks where the power supplies are beginning to hum, no doubt due to their age. Are...

replies: 1 views: 103
Avatar for DrewE
DrewE 9 hours ago
Avatar for Aniol1349

Hello guys, I have a Soundcraft "Large Power Supply" for a TS12 which I would like to upgrade. It will have to...

replies: 8 views: 738
Avatar for NadMk
NadMk 14 hours ago
Avatar for smilan

Hi, I would like to modified my Ampex 602 preamp into a two mic preamps. I'm thinking of using the original design for the...

replies: 8 views: 269
Avatar for smilan
smilan 20 hours ago
Avatar for joshgura

why do people go for IC op amps when you can wire up your own using high quality components? my question comes from the...

replies: 126 views: 30,128
Avatar for Alex Specht
Alex Specht 22 hours ago
Avatar for Alexander_Music

Hello ! I want to build a pair of very good studio monitors, something like: Barefoot mm 35 Kii Three Dutch & Dutch...

replies: 35 views: 1,664
Avatar for nat8808
nat8808 1 day ago
Avatar for Audiofool

My AMS Neve 1081 has a problem. It does not pass anything under 10k. I have managed to identify the problem to the gain...

replies: 0 views: 170
Avatar for Audiofool
Audiofool 1 day ago
Avatar for shahstlz

Dear people of wisdom, I've bee recording some drum tracks with a few mics and just for fun with the Marantz PMD620 internal...

replies: 0 views: 157
Avatar for shahstlz
shahstlz 1 day ago
Avatar for tenor39

I remember seeing a thread about parts being available for the MK-012 mic mod. Anyone know about this?

replies: 39 views: 11,591
Avatar for bxt403
bxt403 1 day ago
Avatar for Hitrate

Howdy folks, in the spring I aquired this 1989 79 key beast. It had 3 dead keys which the seller obviously didn't mention or give...

replies: 0 views: 197
Avatar for Hitrate
Hitrate 2 days ago
Avatar for starfield

i recently removed an old JL Cooper patch expansion mod that was installed on my Jupiter 8 the mod was a small board attached to...

replies: 1 views: 1,154
Avatar for Peter Nielsen
Peter Nielsen 2 days ago
Avatar for xmission

Hi All, I grabbed a Kosmos off of ebay. Of course it doesn't pass audio. The level pot appears to have been hit pretty...

replies: 6 views: 311
Avatar for xmission
xmission 2 days ago
Avatar for Patrick H

Hi all. Im having an ongoing issue with noise. This noise happens randomly and occurs for 5-10 seconds at a time - 2-10 times a...

Patrick H
replies: 36 views: 968
Avatar for Patrick H
Patrick H 2 days ago
Avatar for tobi-mobile

Hello folks, I've been searching for ages and can't find the information I'm looking for to build this: A passive attenuator...

replies: 19 views: 460
Avatar for kirkus
kirkus 2 days ago
Avatar for Stevep110

I every one, i have a Art Pro MPA II and i nead a transistor, the part number on it is AVK82113 location on the board is U102,...

replies: 1 views: 254
Avatar for tINY
tINY 2 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: 39 views: 3,893
Avatar for Brent Hahn
Brent Hahn 2 days ago
Avatar for PJSolarz

Hello all, I have a JCM900 4100 100W head that I've had for years and it has gone through tubes left and right. I finally...

replies: 0 views: 202
Avatar for PJSolarz
PJSolarz 3 days ago
Avatar for partlenum

I've searched all over the place regarding finding replacements for s950 tactile switches, but couldn't even find anything even...

replies: 1 views: 246
Avatar for niklasni1
niklasni1 3 days ago
Avatar for coso

I am building a mid-side encoder/decoder using a pair of Lundahl 1517 transformers. I have attached two images: One is the...

replies: 1 views: 264
Avatar for DrewE
DrewE 3 days ago
Avatar for laxfilet1337

Hello everybody, i recently bought a AKAI S900. I replaced the Floppy Drive with a HxC Floppy Emulator with SD Card. When I...

replies: 0 views: 220
Avatar for laxfilet1337
laxfilet1337 3 days ago
Avatar for analogtodd

I've got an MCI JH24 that isn't doing what its supposed to do! It looks like a solenoid issue with the head shield... I can't...

replies: 9 views: 448
Avatar for David Kulka
David Kulka 3 days ago

Recently, my Monster Power Center 3500 burnt out. Just stopped working. I opened it up and found that a resistor located at R132...

replies: 31 views: 3,615
Avatar for jb4674
jb4674 4 days ago
Avatar for Georgemodular

hi, i'm looking for the schematics for the trident vfm mixer as mine has a few scratchy controls and a noisy main out.. so i may...

replies: 0 views: 226
Avatar for Georgemodular
Georgemodular 4 days ago
Avatar for rnetko

Looking for a competent tech to do repair and modification of vintage gear in Atlanta area. Thanks

replies: 0 views: 221
Avatar for rnetko
rnetko 4 days ago
Avatar for Brian M. Boykin

Broke a diode fenagling in some 2200uF caps. This is my first experience with diode replacement. Mr Google has lots of info on...

Brian M. Boykin
replies: 29 views: 724
Avatar for Brian M. Boykin
Brian M. Boykin 5 days ago
Avatar for Soundzman

Hello guys, I've got an Seeport mixer from Seem Audio which needs some sevice. Does anyone has an service manual or...

replies: 0 views: 226
Avatar for Soundzman
Soundzman 5 days ago
Avatar for salomonander

hey, im just servicing some 70s modules. i did measure all the tantalums and some show a much too high esr. the worst have esr...

replies: 33 views: 1,492
Avatar for mathologie
mathologie 5 days ago
Avatar for audiothings

My partner and I do quite some work for apps and games for mobile phones. Each time we wish to cross check a mix, we have to...

replies: 2 views: 327
Avatar for DrAudiospecific
DrAudiospecific 5 days ago
Avatar for oldsoulsound

The meter on my Soundcraft D203 group Module does not work. All other functions seem fine. Any ideas on a repair? I purchased a...

replies: 1 views: 255
Avatar for Jim Williams
Jim Williams 5 days ago
Avatar for Rasputin1916

While the Emu Emax service manual covers a good portion of the circuitry, one key element that is primarily glossed over or...

replies: 7 views: 1,142
Avatar for Japan1
Japan1 5 days ago
Avatar for bru

I just picked up a Sennheiser Blackfire 530 with some grill damage and the foam inside looks pretty gnarly. Anyone know how to...

replies: 0 views: 279
Avatar for bru
bru 6 days ago
Avatar for metaljoseph

Here my predicament guys. I am setting up my home studio and I am getting this nasty buzz when recording direct into my...

replies: 10 views: 611
Avatar for NadMk
NadMk 6 days ago
Avatar for tommcc

Hi - I just got some new DOAs to drop into my pair Lindell 6x500's. I was able to get two ACTUAL API 2520s! If you know...

replies: 0 views: 269
Avatar for tommcc
tommcc 1 week ago
Avatar for Arioch

Hello Everyone, Don't really have a presence on Gearslutz but I have reached an impasse and I desperately need some help and...

replies: 1 views: 443
Avatar for Zeroesque
Zeroesque 1 week ago
Avatar for rudee

Hi, I'm looking for schematics and any info for this mixer (pictures). This is vintage Semrau I bought yesterday. Thank You...

replies: 12 views: 975
Avatar for rudee
rudee 1 week ago
Avatar for uni

Im not sure if this is the right place to post this but didnt find a better place. Im looking to buy a frequency counter for...

replies: 4 views: 432
Avatar for mbrebes
mbrebes 1 week ago
Avatar for deuceleader

i have a Z5600 from 2004 or so .the original one with a 7 pin xlr cable . well i lent it to my friend so he could track some...

replies: 0 views: 264
Avatar for deuceleader
deuceleader 1 week ago
Avatar for jdier

I have a (non tube) LDC mic where it appears the capsule has gone south on me. It is a mic in the $500 range and the proper...

replies: 0 views: 263
Avatar for jdier
jdier 1 week ago
Avatar for Roddick1993

Months ago I was set on the fact that I wanted an all analog studio/sound. I've recently discovered that digital might've been...

replies: 8 views: 691
Avatar for Jay Rose
Jay Rose 1 week ago
Avatar for belzrebuth

Hi all, I've got a P6 with the Kiwisix upgrade that's unable to tune correctly. The synth was initially playing different...

replies: 49 views: 1,382
Avatar for tupinamba
tupinamba 1 week ago
Avatar for Brian M. Boykin

This will be my first scope. Both come recommended via this forum. I’m following both Tiny and Geoff’s advise that if your...

Brian M. Boykin
replies: 6 views: 311
Avatar for Brian M. Boykin
Brian M. Boykin 1 week ago
Avatar for filmcomposer

I've a matched pair of Oktava MK-102 s with different capsules. They were working fine and well-looked after. Recently, one...

replies: 3 views: 396
Avatar for Radardoug
Radardoug 1 week ago
Avatar for ardis

Hello Tech Guys! We are refurbishing a Fairlight Dream 2 System and are running into a specific problem with a Windows XP...

replies: 0 views: 241
Avatar for ardis
ardis 1 week ago
Avatar for italo de angelis

Hi fellows my 81 ADJUST encoder went crazy. Turning it clockwise or counter-C-W takes the displayed parameter to its max....

italo de angelis
replies: 27 views: 1,340
Avatar for Jim Williams
Jim Williams 1 week ago
Avatar for Jerz3455

Hey guys.. Im a bit fed up with Genelec right about now. This is my second time blowing my amp card module within 6 months time....

replies: 50 views: 23,248
Avatar for Paulc1993
Paulc1993 1 week ago
Avatar for belzrebuth

I was calibrating a Juno 106 and when I reached the PWM calibration I noticed all voices had a nearly perfect pulse signal except...

replies: 0 views: 247
Avatar for belzrebuth
belzrebuth 1 week ago
Avatar for piotr

This thread is for exchange and discussion of technical information regarding maintenance, tweaking, adjusting, and general care...

replies: 151 views: 30,577
Avatar for xeligio
xeligio 1 week ago
Avatar for forestcreature

I have a hexaphonic piezo bridge on my electric guitar. I have a multi-pin jack for separate outputs for each string, but would...

replies: 3 views: 289
Avatar for forestcreature
forestcreature 1 week ago


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