AKAI AM-u2 amplifier problem no output on speaker.
Hi i have an AKAI AM-U2 amplifier it was working fine and i used it for a long time but one day i played it for a long time and at high volume at a party and and it just went out due to overuse and did...
View ArticleTDA7375V instabilities
Hi everyone, I'm using a TDA7375V in a breadboard, and seems to be a very good chipamp, the separated grounds are very good to use with a separated preamp. The problem I'm talking about occurs when the...
View ArticleWTB: 5687 & 6072 tubes
I need x8 of 5687 and x4 of 6072s. let me know if you got some in stock
View ArticleHome made amplifier!
Yay I made a home made amplifier!!! I used this chip and it works great!!! http://html.alldatasheet.com/html-pd.../2/LA4225.html very low noise and very clear sound!! and good bass too!!! rocks the...
View ArticleTDA7297 ground paths
Hi everyone, I'm testing on a breadboard a TDA7297 based design, very similiar to the one found on the datasheet, the only problems is that I can't use two distinct ground paths, one for power ground,...
View ArticleBUZ900P and BUZ901P spice model
Hi everyone, Does anyone knows if there is available a PSpice or TINA model for BUZ900P or BUZ905P? Thank you very much for your help, Best regards, Daniel Almeida
View ArticleOther Applications of Vacuum Tubes
Several DIY solid state amps use light bulbs as incandescent load resistors. For example, the De-Lite Amplifier by Mr. Pass, the SIT amp by Mr. Rothacher, and wrenchone's L'Fake amp. Mr Pass hailed...
View ArticleLooking for diy active speakers
Hallo, are there some established diy designs or kits out there for 2- or 3-way active speakers? My long term plan involves building some really good speakers (at some point in the future, I do not...
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What is this inductor doing?
I traced this crossover that came with my Tannoy 2046 drivers. The 1191 part number on the board matches with a few systems that used the driver. The inductor values are what I measured with a meter...
View ArticleDamping material for ported sub.
Hey guyz! i am peparing a samll sub for my home which contains 5 inch driver. Its an active sub powered by TDA2030 and NE5532 as low pass filter. The enclosure type is ported with T-Line design. Now,...
View ArticleHow to increase the total output power or bass of small chip amp?
How do I increase the total output power of this chip amp? LA4225 datasheet(3/3 Pages) SANYO | Monolithic Linear IC Audio Output for TV application 5W Monaural Power Amplifier I want to get a little...
View ArticleWhat is this ??
Hello, Can anyone tell me what this part is ? And where I can buy or order it ? It is from my DVD player Toshiba SD9000E and that "thing" is buzzing, if I switch the power on....
View ArticlePhilips DS9800W/10 Fidelio SoundSphere... - Cross Talk
I was watching video, and correct me if i'm wrong but there was a mention of 'Cross Talk'. The person in the video was talking about cross talk between the drivers, where as the material I 'briefly'...
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TUBE/MOSFET/BJT hibrid amp
Sorry -___- looks like dont know how to post smaller pics with the enlargement option................. I`ve read thru part of the moskido thread, and few others, and there are some good:p:D ideas, and...
View ArticleWhere is the catch here ?
Can anyone explain the catch here ? Batteries inside ? I don't think so as it's too small and appears to work both ways with the external battery. So what are we missing ? free energy generator -...
View ArticleIs it possible to make a speaker as good as Polk for Home Theater?
I have looked at some other threads. I saw one that referenced this: The Madisound Speaker Store I would like to build something as good as the Tsi100 and then the Rti series. I have tools for...
View ArticleNewbie Looking for Something Cheap & Efficient
I've been around audio for years, but brand new to DIY and quite ignorant on the details of how the electricity starts at the wall socket and is turned into power to make the drivers move, so please...
View ArticleHow do you know if one driver is better than another?
For example, how do I know that one I can buy is as good as one already put in a speaker by a major manufacturer like Klipsch, Polk, Energy, etc.? Even more specific, where could I buy a driver that is...
View ArticleTube amp safety cage repaint
I need to repaint a valve amp safety cage it's looking a little worn. Any particular paint that I need for this (to withstand the temperatures etc). I guess I'm being overcautious here but a second...
View ArticleFS: Fostex FE127E pair
Hi All Selling this pair of speaker drivers as I'm downsizing my collection. Had about 30 hours use. They're in great condition but I don't have the box and I did solder the cables directly to the...
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