WT Buffalo-IIISE
I would like to trade my Buffalo-III 8-Channel DAC Module for the stereo version Buffalo-IIISE 2-Channel DAC Module.
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Currently Brand Name of Mckenzie Acoustics Ltd. from U.K.
Who has taken over follow manufacturer: McKenzie Loudspeakers Professional Fullrange Series Made in England by Mckenzie Acoustics Limited Birdwell Barnsley Yorkshire Tel. +924 / 43894 or 477102...
View ArticleFehlauer Monophonic
I just finished reading Art Dudley's article in the December edition of Stereophile where he reviews a small phono pre-amp for mono reproduction. It's designed by Michael Fehlauer and has continuously...
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SMD PGA2310 IC and PCB (with SPI isolation)
I'm selling an PGA2310UA IC and PCB. The PCB uses some SMD parts and an ADuM7741 for SPI isolation from the micro controller. Also a dual SOIC opamp as an output buffer so it can driver headphones...
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Relay Attenautor, Input selector and Arduino £35
Relay based attenuator 128 steps. Controlled via I2C (addressable). Omron G6K relays (gold contacts, very small). Input selector 5 inputs and optional mute output relay. Controlled via I2C...
View ArticleUndervoltage protection idea
As we all know, sometimes when an opamp's power supply gets too run down, the output can slam against a rail and stick there. This can wreck hell on whatever it's hooked up to, especially when using a...
View ArticleHigh efficiency speakers to replace Apogee Divas
Necessity is fostering the "upgrade" bug. I currently use Apogee Divas and love them, but alas they are large. The space I have now classifies as "adequate," but I see that changing in the next few...
View ArticleVAS transistors for sale 2SA1360Y/2SC3423Y,2SA1209S/2SC2911S and...
I have few hundreds of fine VAS transistors for sale. 2sa1360y/2sc3423y Toshiba USD 0.85/piece 2sa1209s/2sc2911s Sanyo USD 1.00/piece Ksa1381E/Ksc3503E Fairchild USD 0.45/piece shipping and paypal...
View ArticleCabinet damping 101, how do you do it?
Cabinet damping pops up every now and again but how do you actually do it? I would like to opt for a light and stiff box in my next build but I also want to add some damping. Constrained layer damping...
View ArticleTransformer Questions (1st Amp Project)
Hello, I have to obtain the power and output transformers for what will be my first amp project, built from a partial kit. I'm running into difficulty in locating transformers that match exactly what I...
View ArticleHi from Bonnie Scotland
Well hello everyone. Joined up finally really interested in building my own amp. Also thought it could be a cool thing my boy and I do in a few years time. He's only 1 at the moment but my thinking is...
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Soldering Tutorial
Soldering Tutorial | Audio Tweak Dave takes you through everything you need to know to do good quality soldering. Part 1 is all about the tools you might need. A lot of this was already covered in his...
View ArticleBass sucked out at 150Hz?
Hi, i'm new to this forum :) I'm in the progress of building my 1s diy passive speaker, and have this strange problem. It sounds like there's big loss in 150Hz, 300Hz, 600Hz and so... Tried to play...
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TDA541A DA recommendation
Probably looking for an older device that accepts 16bit 41/48 with digital in (most likely optical). Judging by what is said on dutchaudioclassics.nl searching for something with the TDA1541A onboard....
View ArticleWhat to do with a free driver? Sealed Sub?
Hi, I have just repaired the cone of a woofer from a genelec 1037c speaker with pva glue. It's not needed for that application anymore as we purchased a replacement. I was wondering if it might work as...
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CD Player; Negative dc at ac rails;
Hello, I'm struggling with my old Akai CD-62. After simple cap&opamp replacement at the signal paths, transport stopped responding. Sometimes it reads cd's for few minutes, sound is heavily...
View Article800w @8ohm from 240v
Hello, New to this .... I would like to build a sub amp module to run off 240v I need it to be RMS 800w @ 8ohm I joined this thing thinking there would be many people with much more experience in this...
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Music Angel pre-amplifier - few modifications
Have this pre-amplifier nearly three years already, and finally have modified it to improve few major flows, well at least those I've found as such. First of all it was nothing so wrong generally...
View ArticleWide cotton cable insulation supplier
Hi, I'm looking for some wide, in the region of 45mm, cotton insulation for my ribbon speaker cables but I just can't seem to find a supplier after many hours of looking. I can find pretty narrow stuff...
View ArticleAdding an external drive to the OPPO93
I have an OPPO93 and decided to add an external drive with all the music I have ripped on to it. Apparently the hard drive has to be connected via the eSATA connection at the back. I'm not sure if that...
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