Rookie Builder
Just started my first electronics project, building speakers from a kit. Got the crossover layout just about done but am stuck. Hoping to get some advice for completing it and to offer whatever I can...
View ArticleHelp a beginning enthusiast out
I listen to tons of electronic music and I have a nice pair of B&W 684 floorstanding loudspeakers. I have an onkyo tx-8050 receiver which I wish to replace. I am looking to build my own amplifier...
View ArticleOpinions: Hypex vs. Holton
I am a heavy listener of EDM and electronic music and I have a pair of B&W 684 speakers. I need a new amp and I was wondering, for my costs and purposes, would a Hypex UD400 or a Holton Precision...
View Article2SK69 SPICE model?
Anyone could send me the 2SK69 spice model file? Attached Images 3_371_fabe47b32d0aa91.gif (116.3 KB)
View ArticleNewbie wants to build all-in-one streaming unit
Hey all, Long time listener, first time caller. I'm an attorney with an undergrad physics degree, so I've taken electronics classes, but never had to independently engineer anything (nor do I remember...
View ArticleLM3886TF version question
This is a question about the markings on LM3886TF chips. I am looking at LM3886TF chips on ebay. The photos show NS cases, marked with two strings: "LM3886TF" in all cases; and then a second string...
View ArticleTube preamp noise
Please help... I bought a custom built tube preamp. The builder shipped it with the tubes in the sockets...Electro Harmonix 12AU7's and a 12X4. Sounded flat and muddy. I had 3 extra JJ 12AU7's and put...
View ArticleFS: B&O 125ASX2 Modules
These modules are new, purchased originally for a project, which never took off. I have 5 of these. $200 each plus PP plus shipping.
View Articlepower amplifier schema for use outdoor
hi everbody, i need a power amplifier's schema and PCB (1000 watts or 1500 watts) for use outdoor... best regards, Adnan COSKUN
View ArticleBest Home Theater demo in Hyderabad
I have been passing through Invention Audio kphb in Hyderabad and found a very good home theatre demo it was just flawless no idea how they have done it but it was phenomenal they had 12 inch sub but...
View Articlefront loading alpairs!?
have any one tried front loading the alpair 10.2s? will this be a good idea?
View Article4CH 1200W ICEPOWER AMP/ I changed it
the original ICEPOWER1000A power is low, which is only 500w/8ohms. I changed the circuit a little, added output transistors, and increase the voltage to 150V, so that the power now is 1200w/8ohms,...
View ArticlePower Amplifier Circuit Topology according AD846
Are there commercial products on the market or are there diy projects like discrete opamps, where this topology is in use? Most interesting feature is the fact, that here (in the inverted mode) the...
View ArticleSca35 tone controls
In the process of rebuilding a Dynaco SCA-35 w new boards and transformers, I was going to do away with the tone controls, but decided to keep as close to the original design as I could,but have...
View ArticleApogee and Magneplanar Integrated
Hi Guys, Any thoughts on my Frankenpan speakers I am running Maggie MGIIIA for the Bass XO 550hz and the Apogee Diva midrange X 12 000hz and tweeter ribbons for the high pass. I am really satisfied...
View ArticleNitric Acid and a hotplate
Sy is going to love this one! So I was reading around on the internet about how to detect fake transistors. It seemed like in general the fake transistors use an impossibly small die; usually around 3...
View ArticleJL Audio 500/1 V1 always on
Hi. I have a Jl Audio 500/1 V1 that play fine but is always on, even with no remote turn on input signal. It turn on just with the +12v and gnd wires. Please help me to find the faulty part. Thanks.
View ArticleIs there a good DIY speaker plan for the size of CLS-215s?
Hello! I am new to this site, so bear with me. Is there a DIY speaker design the same size (roughly) as the Cerwin Vega CLS-215 speakers with the same sensitivity or better? Let me explain: I have...
View ArticleTrying to reach Wild Burro...
I sent pjanda1 a PM and a note through his web site about purchasing a pair of Betsys. pjanda1 would you please check your PMs and get in touch? Thanks!
View ArticleMains for the Dr. Geddes Multiple subwoofer system
Recently I went for the Dr. Geddes approach of aplying multiple subwoofers to get a really flat bass response in my small room, and it's really awesome what this can do. Them I came with other problem,...
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