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Avatar for hasbeen

Altec Peerless 4722 Transformer Alternatives Are there any? For my Altec 1567a Thanks! Would this work, or is it a line...

replies: 7 views: 4,581
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Providence 28th May 2015
Avatar for Robangledorf

Should increasing input gain increase the level of hiss on a preamp? I was under the impression that self noise is constant and...

replies: 11 views: 749
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mjrippe 27th May 2015
Avatar for superjimmer

Anyone know how to take apart a UM70 capsule? I just want to get he head basket off and straighten the capsule which is slightly...

replies: 4 views: 777
Avatar for superjimmer
superjimmer 27th May 2015
Avatar for a zombie

There is a strange crackling/rattling sound coming from the tweeter of my KC500, It is not present on the XLR line outs. It...

a zombie
replies: 8 views: 4,820
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Akeysy 27th May 2015
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Hi, hope i've posted this in the right section. I've been searching for the last day now how to fix this so thought i'd try...

replies: 0 views: 1,114
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ISB 27th May 2015
Avatar for Rhyno83

Hey peeps hows it going, Im choosing AD/DA converters for my first time and connecting to my first console, a soundcraft MH4...

replies: 0 views: 510
Avatar for Rhyno83
Rhyno83 27th May 2015
Avatar for n.bertoli

I'm selling my API 512b (and lunchbox) to my buddy because unfortunately I don't use it anymore. When he took it home, he can't...

replies: 0 views: 431
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n.bertoli 27th May 2015
Avatar for cimic

Hi, I have a soundcraft 6000 which started with a solo fault. Every now and then the solo light would light up on the master...

replies: 3 views: 708
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VladImpailer 27th May 2015
Avatar for James_Jackson

Hi everyone, Not sure if I've posted this in the right area so please remove if necessary. Basically I have inherited a...

replies: 12 views: 27,039
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dougko 26th May 2015
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Hello! I play bass in parallel of my engineering activity. I have several basses, and notice that the tone control have...

replies: 5 views: 572
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dadodetres 26th May 2015
Avatar for salomonander

hey does anyone have schematics for the neve 1074 dpa or dpd? it uses THAT chips for balancing the line inputs. i do have some...

replies: 0 views: 350
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salomonander 25th May 2015
Avatar for keyboard45

An Amplifier has a bandwidth of 50kHz. At 50kHz the output signal is reduced by 30% compared to it's original amplification. I...

replies: 10 views: 623
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tINY 25th May 2015
Avatar for gt_jumper

When a design does not specify what meter to use other than a "vu meter", what are areas to look out for like impedance...

replies: 9 views: 882
Avatar for Matt Syson
Matt Syson 25th May 2015
Avatar for David Kulka

For the last year or so I've been wrestling with a couple of Eventide H3000's that have bad photo-interrupters. Behind the big...

David Kulka
replies: 17 views: 5,697
Avatar for S2udio
S2udio 25th May 2015
Avatar for csonics

I'm building a tube pre and I have been told that Riken ohm resistors are the best of the best for high quality audio...

replies: 30 views: 14,289
Avatar for edwinhurwitz
edwinhurwitz 25th May 2015
Avatar for koalabearsoup

is this normal? bought off mouser. am I just buying cheap crap? is this common? it seems like lots of caps die when I'm...

replies: 29 views: 1,014
Avatar for mjrippe
mjrippe 24th May 2015
Avatar for Terryrocks

My bandmate suggested we send our 3 live vocal mics to a single inst level signal we can then inject into pedals and a guitar...

replies: 7 views: 472
Avatar for Matt Syson
Matt Syson 24th May 2015
Avatar for Trev@Circle

Does such a thing even exist? Any idea where I could get one?

[email protected]
replies: 2 views: 645
Avatar for redgrovesound
redgrovesound 24th May 2015
Avatar for johnpitcairn

I have recently acquired a used Symetrix SX208 stereo compressor, which seems like it might sound quite nice for the price....

replies: 9 views: 6,945
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omnialinx 24th May 2015
Avatar for stevesolum

Hi, I'm coming out of an unbalanced line out (a Grace m902 in this case) to a balanced line in (Amphion 100 power amp)....

replies: 4 views: 721
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stevesolum 23rd May 2015
Avatar for composerguy78

Hi All, I was wondering if anyone can point me to any scientific studies which have been done which have determined whether or...

replies: 16 views: 903
Avatar for Nosajjao
Nosajjao 23rd May 2015
Avatar for Explodey

I'm working on a little project, and it's going to have three quarter inch TS jacks (two ins and one out), and it occurs to me...

replies: 22 views: 735
Avatar for dheming
dheming 22nd May 2015
Avatar for Test_Monkey

I cracked a UA 2-1176 open the other day and was surprised to find a switching power supply. Anyone know why they may have chosen...

replies: 15 views: 1,782
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Test_Monkey 21st May 2015
Avatar for Hollowman9

I'm trying to find 4 old faders for my console. They look like the one in the top of this...

replies: 6 views: 976
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Hollowman9 21st May 2015
Avatar for Zanderwestcoast

I recently purchased a 40 channel Trident TSM and will be getting it overhauled in the coming weeks. Just curious as to input...

replies: 28 views: 2,759
Avatar for Jim Williams
Jim Williams 21st May 2015
Avatar for yksyks

I have an annoying problem with one preamp input non-functional on a Saffire Pro 40 and would like to get hold of a service...

replies: 0 views: 1,659
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yksyks 21st May 2015
Avatar for chindog

Hi all, re building my jukebox which i hire out and previously connected it to a Behringer mixer external to the box. I am now...

replies: 14 views: 981
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chindog 20th May 2015
Avatar for tomsamps

I am interested in trying to use a 6N3 tube to power a tube guitar preamp, LOW BUDGET! Because the plate voltage is only 150V I...

replies: 15 views: 1,428
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tomsamps 20th May 2015
Avatar for Jonny3snareS

Anyone built the cs10 mod? I've built the circuit but haven't got a clue how to install it.

replies: 0 views: 623
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Jonny3snareS 20th May 2015
Avatar for matthollenberg

Repairing vintage amplifiers has always been a hobby and an interest of mine, and it's something I'd like to make a career out...

replies: 8 views: 3,506
Avatar for Geoff_T
Geoff_T 19th May 2015
Avatar for Joao B.

Hi So today I was experimenting with tape bouncing from one track to another of our Studer A80 1/4 stereo recorder. I...

Joao B.
replies: 3 views: 693
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Joao B. 19th May 2015
Avatar for MarkyGoldstein

With more and more open source hardware projects showing up, what about this? bumpkin

replies: 5 views: 663
Avatar for Hideki
Hideki 19th May 2015
Avatar for Seufzer

Greetings all, We are writing an essay about dynamic audio compression. More specifically a comparison between outboards and...

replies: 0 views: 434
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Seufzer 18th May 2015
Avatar for keyboard45

Hi there! Here is a brief synopsis of the experiment To Determine the performance of a power amplifier by measuring key...

replies: 9 views: 536
Avatar for Matt Nolan
Matt Nolan 18th May 2015
Avatar for graspee

Hi, I have a not very old Studiologic Sledge. The problems I have noticed are: 1. When you turn off the synth, even though...

replies: 2 views: 1,067
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graspee 18th May 2015
Avatar for I.T.

Anyone here know the specs for a Urei 1178 power transformer? Mine is blown and I need a replacement. After rectification,...

replies: 4 views: 653
Avatar for I.T.
I.T. 17th May 2015
Avatar for Bonara

Hi, I recently acquired a Sennheiser MKH-416 P48 - it was totally dead. It's an early version - it's quite a bit different from...

replies: 1 views: 3,945
Avatar for Bonara
Bonara 17th May 2015
Avatar for qbert1

I have a broken EV PL20 that I need to get into. I removed the tiny hex screw, but I can't unscrew the grill. I've tried a...

replies: 0 views: 411
Avatar for qbert1
qbert1 17th May 2015
Avatar for Mandavel

Hiya. I have a low end line6 bass combo, which is blown and doesn't sound good at all. However, this amp has a synth tone...

replies: 0 views: 315
Avatar for Mandavel
Mandavel 17th May 2015
Avatar for Clavioline

Hi, I have an Otari Mx70, 16 tracks tape machine. The problem is: The Mx70 remains at Hi Speed (30ips) always. If you turn the...

replies: 5 views: 781
Avatar for Clavioline
Clavioline 17th May 2015
Avatar for grahluk

Hello, I would like to modify 4 vintage 525 modules I have to work in current API frames. I know the old modules' card edge...

replies: 11 views: 4,902
Avatar for two|twelve
two|twelve 17th May 2015
Avatar for Dirty Gear Pimp

hi all so i been pondering this question. is it possible to add faders to the api 8200? i looked at the manual and the level...

Dirty Gear Pimp
replies: 5 views: 1,875
Avatar for pqlior
pqlior 16th May 2015
Avatar for circuitsynth

just trying to save a little time here.. say there's a piece of equipment, like a mixer, with multiple identical vu meters...

replies: 2 views: 527
Avatar for Lotus 7
Lotus 7 16th May 2015
Avatar for fireberd

The Yamaha THR10 amp is a great little amp, but it has two high pitched whine problems. The first one is a routing problem...

replies: 0 views: 1,574
Avatar for fireberd
fireberd 16th May 2015
Avatar for soundfieldstudio

Hi guys, I recently got a Mitek The Joker thrown at me and I thought: "What the hell, let's give it a try"....

replies: 11 views: 6,880
Avatar for gondofares
gondofares 16th May 2015
Avatar for dude24man

Looking for 4 or 8 tamradio OT-373 toa rx7 output transformers. if you have any please pm

replies: 0 views: 423
Avatar for dude24man
dude24man 16th May 2015
Avatar for johnnyc

Looking for a mixed signal oscilloscope. Are the Rigol scopes any good, anyone used one? Price is really low compared to...

replies: 3 views: 449
Avatar for Jidis
Jidis 15th May 2015
Avatar for HalfNote5

Ceramic tabs, or electrolytic? Replacing tubular ceramic caps, and I wondered if I should be aiming for electrolytics or if...

replies: 8 views: 568
Avatar for HalfNote5
HalfNote5 15th May 2015
Avatar for Old Goat

Could one or more of you fine folks explain bypass caps to me?bumpkin

Old Goat
replies: 10 views: 715
Avatar for Old Goat
Old Goat 15th May 2015
Avatar for HalfNote5

Okay, so RadioShack has 2N3906 style PNP transistors which I need for a mic repair. And they have them 1 mile from my...

replies: 23 views: 992
Avatar for HalfNote5
HalfNote5 15th May 2015


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