Dead speaker output on Alpha 10 Amp
Just looking for a little advice on what to look for on my Arcam Alpha 10 Integrated Amplifier. I bought it second hand a few years back and after a short initial period did not have the space for a...
View ArticleClik here to view.
For SALE: DiyHifiSupply TRAM MK2 DHT-OTL Preamp in Germany
Dont hesitate to ask. Attached Images IMG_1364.JPG (167.0 KB) IMG_1366.jpg (155.5 KB) IMG_1365.JPG (153.1 KB) IMG_1418.JPG (133.5 KB)
View ArticleGU29 PP Amplifier
Hi guys , a friend gave me some GU29 tubes , so i want to make a stereo amp with them. I've a pair output transformers from "Geloso" amplifiers , designed for EL34 in Push Pull , can I use them for...
View ArticleCabinet design software?
I am wondering if members know of any free software to design basic cabinets along with cut lists. A member at another forum wants to build a cabinet of a specific internal volume and needs a cut list...
View ArticleTube kits
Hi all, First post here and i have been looking around for a set of kits that I can build up over time into a good Hi Fi system. I am a rookie to the mysteries of electronic theory but am excited by...
View ArticleLepai LP-V3 Killed my Tablet!
Right, I got one of those "700w" amps ages ago with a view to making a portable system for flat parties/outdoors, recently I got it out, hooked up two Creative satellites from a surround system. Worked...
View ArticleRockford Fosgate BD1000@1
Hey guys, I am working on a bd1000 and have 36v on the speaker output. I replace the powersupply fets and the output fets. I also had to replace one of the ic drivers MIC4420CT cause it was shorted....
View ArticleZaph SR71, with Aluminium or Excel Tweeter?
Hi there, I'm new to the forum, and French so all apologies if my English is not perfect. Well, I'm thinking about building a pair of Zaph's SR71 in a 18L cabinet, but switching the TDFC tweeter for...
View ArticleX-over components for sale (Auricap and Alpha core inductors)
Hi I have some x-over components for sale that I will not be using. These were originally bought for the Bottlehead Straigh 8 speakers. This was the second version of the x-over. I have all the...
View ArticleHearing versus physics and modern compression
Human hearing beats sound’s uncertainty limit, makes MP3s sound worse | Ars Technica Interesting article about human hearing, perception, physics of, and why it might be time to revisit...
View Articleopt for 45 tube
I have doubts which of these two transformer choose for a 45tube amp. * Lundahl - LL1663 .......... $ 354,938 * JS-6113HS JAMES .......... $ 169.00 This justified the effort in the price difference...
View ArticleTransformer with strange output- 240V- 5.5mA
Hi all, I have an unmarked transformer that I got for $5 from a surplus electronics store. It has four leads- 1 red, 1 black, and 2 white. I wired the 2 white live and neutral using the red and black...
View ArticleClik here to view.
ESS AMT-1C Crossover
Hello, I made a plan of the crossover of the ESS AMT-1C with a measuring device. Good day Attached Files ESS AMT-1C original crossover.pdf (124.4 KB)
View ArticleBest triode section inside ecc81 tube?
Hi, I am building a version of Tubecads Aikido Cathode follower as p2p. Will there be an optimal tube section for the cathode part and the CCS part? I will use 1 seperat tube pr. channel and use...
View ArticleSVT project
It looks like I just picked up a really really rough blackline SVT with toggle power and standby switches for $400, missing the steel plate that goes around the driver & phase splitter, missing two...
View ArticleSub box specs help
Hi new to DIY and building speakers all together. My cabinetry skills far outshine my knowledge of building speakers. I am building a sub box for a home theater. I am however using a boston acoustics...
View ArticleClik here to view.
Yamaha CA1010 Speaker Relay
Hi folks i´m mailing from Sweden and i have Yamaha CA1010 with a problem. The right channel "disapear" sometimes or i got fuzzy tones from it. I have located a problem It is a speaker relay underneath...
View ArticleProviding both balanced and unbalanced inputs
My fully-balanced power amp design has both a balanced input (via an XLR socket) and an unbalanced input (via phono/RCA). At present, I have a resistor network that eliminates the need for any input...
View ArticleFS: Saba Green Cone AlNiCo, 8"+4" pair
Dear Mates, I am selling 4 vintage loudspeakers made by Saba, two 8 full range, and two 4 tweeters. Actually I would classify the 8 as an extended (towards upper range) midbass, and the 4 as an...
View ArticleDynaco 120 Rebuild
Hi , I have a 120 an early model without the TIP transistors, I am trying to rebuild the unit with parts ordered from Mouser or Newark, looking at the service manual and part numbers both Mouser and...
View Article