Pair of Jordan JX92 drivers, Peerless 10" sub
I will have these items up for sale, also a few interconnects and possibly a further pair of Jordan drivers. This is an interest check. Collection preferred, the drivers particularly Peerless are...
View ArticleSplitting hi/lo signals on a TK2050 Class-T amp board
Hello, I am powering a simple 2-way stereo system with a Sure 4x100W amplifier, seen here: 4x100W @ 4 Ohm TK2050 Class-T Digital Audio Amplifier Board 320-302 I am using an active crossover so that...
View ArticleTang band W4-1337 single driver options
Hi folks, I'm planning a Pass F1 amp which works particularly well with single drivers. I happen to have some tang band W4-1337 drivers lying around and thought I would ping you all for suggestions on...
View Articledigital amp power switching questions
So i have a ddx320 i bought, powered by a agt 350w 36v supply running at 35v. Works great powering two 8 ohm acoustic research 215ps (freebies, was suprized to find out they are actually decent...
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20 minute BSC with Jordan JX92
So like a heathen I've been running my speakers without any Baffle Step Correction for over a year, in my defence I and others thought they sounded very good. Since moving to a new house, a new space,...
View ArticleFullrange Diy speakers for LM1875 amp
Hi!! New member from Spain, first post here! I recently built a stereo LM1875 based chipamp. Nothing special, the same circuit like the one in the chip's datasheet with a couple of modifications. I'm...
View Articlesubwoofer augmentation for alpair 10.2
i am hopping on a speaker project using alpair 10.2 drivers. i wil go with either erich haartmann's bookshelf design or simple pencil box. although 10.2 can go down pretty well, i would like to augment...
View ArticleFS: Paradise boards and parts from GB
Due to time restrictions and too many other projects I am willing to sell my brand new Paradise boards and parts collection (as got by the DIYAUDIO Group Buys). pls contact me if interested thank you...
View ArticlePSU for TDA1541 DAC
Hi guy`s, i`m a little noob here, so i give you all my congratulation....:worship: I`m planing to build a nos TDA1541 dual DAC and now looking for the power supply. I have read many about that and...
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Twin Output Stage
With unity gain of the CFP it is easy to double cells without problems :sax: Attached Images MJE243.PNG (18.2 KB) MJE253.PNG (15.3 KB)
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For Sale UCD400 Modules
For sale: One UCD400ST new in unopened box. One UCD400ST used in good condition. Two unused UCD input signal cables. One UCD400AD used in good condition. One UCD input signal cable 4 inches with female...
View ArticleVolt HSM kit, sealed box?
Hi, quick question about this Volt HMS kit from Solen: Solen Electronique Inc. Can the enclosure be sealed? What dimensions should the enclosures be then? Crossover would change also a lot or only...
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Simplest poor man DC protection
I had to put together in a hurry a power amp for a live event. So, using what I had available, I used some dusty 1Kw rated class B buffer that I had available from industrial application and rigged up...
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E. F. Johnson #228 Ceramic Octal Sockets NOS
Genuine NOS E. F. Johnson #228 Ceramic Octal Sockets. These sockets have a spring clip that presses the outside of the brass contacts against the tube pins for consistently great contact.. Certainly...
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Switchable Cathode Bypass Capacitor for a Tube amp
Hi All, I am building a simple tube amp using ECC83, I read that the value of the Cathode Bypass Capacitor can have an influence on gain at different frequencies and headroom. Would it be possible to...
View ArticleHifonics Plato
Hi, I have a Hifonics Plato dual 10 band eq that I am considering swapping the op amp on as an experiment. It currently has a 8 pin BA10358 Dual Ground Sense Operational Amplifier I was thinking of...
View ArticleHigh voltage, programmable power supply?
Does anyone know of a high voltage supply design (400v~ ish, regulated), that can be controlled via a smallish analogue voltage, and go down to near 0 volts? It's not for an audio supply in particular,...
View ArticleHelp with identifying TA2020 board
Hi guys, I bought this ta2020 set on ebay and I'm considering replacing the jwco 2.2uf 25v capacitor with a Jantzen Superior Z-cap 2.2 uF 800V 2% capacitor. Does this sound like a good improvement?...
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bridge amplifier
is correct only bridge linking one rezistor ? without phase shifter Attached Images esjoth.jpg (63.5 KB)
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Some basic FR measurements
Last year I finished the first round of tweaking a new passive crossover for my three-way speakers (Audax HM210Z0 and HM100Z0 and Scan-Speak D2905-9300). The speakers sound very nice and very easy to...
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