MiniDSP 2x8, I think unblanced channels 1&2 just blew :(
So I just purchased nice new RCA cables and finished hooking them up between my MiniDSP and my volume control. Everything was shut off. Turned everything on, played some music, sounded great. Turned...
View ArticleAmplimos 2sk82/28 push pull build thread
I guys I have some sony 2sk82/2sj28 sitting around doing nothing and have decided to try one of the schematics on the Amplimos site I have permission from the owner Francesco to try to get some boards...
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giant bhc caps
they weight about 1lb each. 1000uf 450v size is 6.5cm x 10cm shipping from korea; $20 each. *part of this sale will go toward paying back some of the members here. sorry it took too long, guys. screen...
View ArticleAleph P 1.7 confusion
Dear friends, This is my first post on this forum and I hope somebody will help me. I just have finished Aleph P 1.7 and I will use it with my DIY Aleph 5. But something strange is happening. I have...
View ArticleAikido Noob - Please Help!
Hi I entered the murky waters of tubes for a wee while and ordered myself an Aikido Noval and Tetra Phono. My idea with the Aikido is to use it as a line stage amplifier together with the Tetra phono...
View ArticleMounting fuse holders etc
I have been thinking about the proper way of mounting such parts (fuse holders, jacks etc) on metal chassis. Some of them have a D-shape axis, I think everyone has come across such parts. So, the best...
View ArticleO2 loud turn on transient fix help...
My O2 started to make a LOUD turn on transient noise and the following test was failed: "To verify the MOSFETs were not damaged by static electricity (ESD), and the entire power management circuit is...
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DIY Fiberglass PCB Strata Construction
Here is a quick pictorial on DIY PCBs. Once the materials are collected the laminating and clamping process takes less than twenty minutes. Double waxed paper on flat surface. Some coat it with cooking...
View Articlepreamp
got my SSE up and running for awhile. Thinking of adding a preamp to this system. Currently pushing some foxtex 206en's and would like some tone controls and a little more boost in power, would like to...
View ArticleCCS on Driver tube
Hi, I own a SE KT88 with 2 tubes per channel, 6N1 driving the KT88 power tube. The anode of the 6N1 drives the KT88. The anode is resistor loaded. I notice SE amplifier designed by Tubelab uses CCS on...
View ArticleTwin mids and lobing
I'm considering having two mids in my active 3-way, because i like all the highly positive comments on the small scanspeak 10F, but would like a bit more power handling. They'll be sealed (or just...
View ArticleONIX OA21 Fault finding help!
Hi All, Hoping someone can help me.... but I'm fully aware... you probably cannot teach a chip calculus. I have a reclaimed ONIX 21 + SOAP and it sounds lovely, when it works. I have it hardwired to a...
View ArticleWhat would be a good cross over frequency for these?
Woofers Tweeters I bought a 3500hz 2 way crossover not really even thinking about it, now im wondering if it should have been lower?
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Need help with a HP8903 Audio Analyzer
Hi guys, I have noticed this HP 8903 available in my area and am thinking about pulling the trigger. However the pictures show some odd characters on the display like EL- and 6L6L. I am not sure if...
View Articledeliberate 'bad' tuning of dual ported chambers with identical drivers in...
Been trying to work out how to improve bass response from dual mid woofers when used in a bass reflex cabinet with a simple 2-way xo. Playing through ideas in my head I thought maybe it would be...
View Article12vdc to 150vac
Hi, I´m planning to build an preamplifier and use 12V car battery for powersupply. My question is, can I use this nixie powersupply:...
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New 10.3 in Golden Ratio reflex
I finished these boxes for the new 10.3 a couple days ago. The boxes are pretty much exactly the factory plan and dimensions, except that I offset the drivers slightly from the centerline, and added a...
View ArticleHelp with first PA system build
Hi, I'm starting my first PA system build and was hoping to get some advice on what I was thinking about. The system will be used mostly in clubs and possibly some outdoor events for DJing very bass...
View ArticleMetronome or other?
Greetings, New to this group, but from what I've read online, I really like the Betsy and BetsyK speakers. Great sound and great value. Moving soon, not bringing any of my old stereo stuff with me (too...
View ArticleBehringer PMX-3000
please i need the schematic diagram of europower pmX-3000 this is my mail savelandr@gmail.com thank you
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