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The "AmpDuino" project
Since I finally realised that even I could probably benefit from incorporating a little bit of software in my otherwise purely hardware-based projects, I have been toying with the idea of building a...
View ArticleDynaudio Audience 52 problem!
Dynaudio Audience 52 problem tweeter Hi, everybody! There was such problem, whisky drops on tweeter got, wiped a napkin and removed the put layer! High frequencies became much less. what it is possible...
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Automatic Power Cap Discharger
Dear Member, I am studying electronics and require your help and support. I have a fairly good experience in making/cloning equipment. I often have a tendency to forget discharging capacitors when I am...
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Bias Switch w/ Heater Elevation
As an academic exercise, I wanted to investigate if it was possible to improve upon the bias supply of the Ampeg B15. In the new heritage release, the B15 comes equipped with a switch to toggle between...
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Monacor IMG Stageline RBT-1000 Ribbon Tweeter
Has anyone used this tweeter ? MONACOR INTERNATIONAL : New products Quote: RBT-1000 Number: 10.1610 Ribbon tweeter for PA and hi-fi, 80 WMAX, 40 WRMS, 6 Ω * Magnetostatic speaker with waveguide *...
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FS: Black Gate STD 100uF/50V and BG-NX 22uF/6.3V
8 x STD 100uF/50V 4 x BG-NX 22uF/6.3V New, never used. Genuine, from pCx. All for 140 EUR. Contact: PM or bobannesic (at) gmail . com (delete space)
View Article?How To Model "El Pipe-O" in Hornsrep?
I'm trying to find a suitable 10" driver to build a pair of El Pipe-O. I have 9' ceilings and they are vaulted in the living room to about 15'. Is excursion more critical or is rated efficiency? How do...
View ArticleNAD 510 - dead display
The bulb lights, the display is black. Unfortunately, I haven't the service manual. How to check the LCD display? The bulbs are supplied from power supply board. Is this voltage (21.5V) used for bulbs...
View ArticleFS - Phillips (NXP) BY329X-1500 diodes (pulled)
I have lots (more than 300pcs) of Phillips (NXP) BY329X-1500 fast, soft recovery diodes. 1500V/6A. Genuine guaranteed. Pulled from fully working equipments. Pristine condition and still have long legs....
View ArticlePower Caps: life expectancy and changing specs?
I've heard a few times that electrolytic caps might be due for replacement after 20 years, lest they fail and destroy other bits with them. I've not heard that about small film caps like Wima, but...
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D'Amore Engineering Vu-meter? HELPME PLEASE!
Hello, I am almost crazy to build this type of vu-meter. It is an analog VU-meters, but done with the LEDs .. here is a picture: and here's a video that shows it in action! D'Amore Engineering VU-1...
View ArticleHelp with music sub
Hello, I´m trying to add to add to my stereo system a sub for music listening mainly, suitable for HT when required, in a 300~400W range. Here where I live I don´t have hi-end choices for diy, car...
View ArticleKicker EX2000
I have a Kicker EX2000 that I need parts for, kickerusa doesnt support the EX series. Is there any Canadians out there that know of a place to get parts for these amplifiers?
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plz need help for shark mono classd shk3001
i m having problem with shark mono class d amp , going into protect mode , i change mosfet irf 540n but burn again and again , power supply is ok ,so plz suggest me what to do thanx , this is pic of...
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plz help me for shark amp class d mono
i m having problem with class d mono amp ,shk 3001 going into protect mode , showing red led , i change mosfet irf 540n but its burn again and again , there is no any short circuit in that , so what...
View ArticleWhat to do with one spare Alpair 10.3
I will most probably have one single Mark Audio Alpair 10.3 (Grey) left over from a build of x7 bookshelf speakers. My System is 50/50 music/movies, although the projector for which I use sits on the...
View ArticleVolume control after the preamp stage or before ?
Friends, I am trying to get a preamp custom made. The preamp has a single gain stage and uses Russian 4P1L DHT tube. The output impedance is about 1250 ohms and gain is 12db. I plan to use a Dave...
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styroflex capacitor tolerance code?
Hi.Can anyone tell what is the tolerance of these Siemens styroflex caps?Thank you Attached Images 2013-07-21 15.11.54.jpg (310.4 KB)
View ArticleAmpOhm FE-XAL-AL (polyester in oil aluminium foil) 0.22 uF
Hello, I'm searching for AmpOhm FE-XAL-AL (polyester in oil aluminium foil) 0.22 uF capacitors. Do you know where to find them? Thanks in advance, Giuseppe
View ArticleIs this Hi-Fi or Sci-Fi?
Hi all, Just found this on the TI site: Quote: Smart Amplifier technology enables customers to increase the clarity and peak power 10x to 15x over the speakers rating, and optimize the frequency...
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