SCA-35 Pot noise
I am currently doing an SCA-35 rebuild, new preamp,and amp boards,and power supply. I completely removed all controls,except the selector switch and volume. I know there is a huge amount of gain...
View ArticleWanted to buy- 1 ncore nc400 module...
Looking for 1 nc400 module....Anyone have an extra one sitting around, please contact me. Thanks...
View Articleto find what is the similar optcal Sanyo SF P101 5/8?
help meto find what is the similar optcal Sanyo SF P101 5/8?because cd player nad c540 can not read cdr and original disk.tq
View Articlemating altec 3156 to 808
hello, is there any crossover design that would suit mating 3156 to 808? i also have a t35 tweeter that i might want to use. thanks.
View ArticleThiel Audio CS 7.0 Drivers and Crossovers
I have a complete set of drivers and crossovers that were removed from the Thiel 7.0s when they were upgraded to Thiel 7.2s. would anyone be interested in buying them?
View ArticleRegulator IC & SMD Capacitor - component selection.
Currently collecting some components to build a small DAC and the BOM calls for: 3 pcs LE50 voltage regulator I have found these ones: LE50CZ - STMICROELECTRONICS - IC, V REG +5.0V, TO-92-3 | element14...
View ArticleHeater Supply Center Tap
So I have this 45wpc KT88 PP stereo power amp and lately there is hum in the right channel that sounds like 60hz. I swapped tubes and that didn't help, I checked all the power supply capacitors and...
View ArticleSOTA Tube Rectified Power Supply transformer
Hi guys ,I recently purchased the above transformer but it arrived without any markings to indicate which wires are which voltages. Would some kind sole tell me what the colour coding is. I have sent a...
View ArticleQuad 405-3 power amplifier weird noises
Hi and thanks for reading this post. Not sure why but my quad 405-3 is making weird noises. When switched on it works ok for the first five minutes then it makes a loud crackling noise for a second, a...
View Articlesoundstream reference 1000s after 20 min of play amp, is burning hot
soundstream reference 1000s what should the rail voltage be mines is reading about 21v. i'm using it to power a set of 6 1/2" morel hybrid ovation midrange speaker. after 20 min of playing the amp get...
View Articledamaged the driverboard :(
Hi. I damaged the driverboard (3S-TECH with 4 IC's 21844) when desoldering it to replace chips 21844s. Injured there was a capacitor C6 (around tl072). Please tell me the nominal of the capacitor.
View ArticleCompact sub to complement FE83En FR
Hi all Got a pair of FE83En full rangers that need some lows. Anything around in a 4ins - 6ins driver that would make a complementary sub? Nothing earth shattering, just 50ish to 150ish where it tails...
View ArticleDesign Challenge: 2 way active speaker using bi-amp
In this forum I did not find someone built complete system of 2 way active speaker using bi-amp yet. If anyone have built such system, please let me know. Specifications are: - 2 way (woofer + tweeter)...
View ArticleAnyone know a cabinet maker in Copenhagen?
I'm visiting Copenhagen and without my tools and building some 3-way dipole, needing driver cutouts routed in two front baffles and maybe an edge round-over. The cabinet makers I've written have not...
View Articlehow to liquid cool 128w led
I am planning to fix a 128 w led on a corsair h60..is it will work?...dont know about the wiring...anybody have its pictures please post it here...please help me....
View ArticleApogee Cassiopeia
Hello all, this is my first thread although I do quite a lot of reading. I have been thinking on a project for some time, i.e., building some speakers that can integrate as surrounds to my Duetta Sigs....
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FS AYA DAC (TDA1541A DAC rev 2.0c)
Bare Board. I will include a AD844 as well as a Scientific Conversion SC982-04 2:1 pulse transformer. I will send you the installation manual upon purchase. Pedja has spent a lot of time on his design...
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CM Degeneration resistor noise
I have been doing some noise simulations on this design trying to reduce the noise and there is is something I just dont quite understand. Usually resistor noise goes UP when you increase the resistor...
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FS Pink Fish Media Flea Clock PCB
This is a competent clock that uses the XO clock and it is very easy to assemble. I have a few pieces of the PCB for sale. Bundling with an AD797 (low noise/distortion opamp) Asking for US$12 for each...
View ArticleDell 4210X DLP projector bulb has some i2C sensor or chip?
Hello good fellas! I ran into a problem and thought maybe some people here in diyaudio have experience on that hand to share. So I was retrofitting an Dell 4210X projector (I got it without an bulb...
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