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PCB Service
Hi Everyone, This is Real-PCB, a prototype to volume PCB supplier in China. Our price is one of the most competitive in the world market with top quality. We have professional technician teams that...
View ArticleSony CD changer power supply
Definately not Audiophile but I would like to understand and repair this. I have a power related issue. The transformer appears to have 3 secondaries ( at least 6 leads mounted directly to PCB. There...
View ArticleWtb Tweeters
I need a pair of vifa XT25's, or a pair of scan speak 9500 or 9700 or 9800's Let me know what you have
View ArticleBehringer Eurorack UB1622fx PRO schematic
Hi. Does anyone have the schematic of Behringer Eurorack ub1622fx pro. It needs repair after the pouring some vine onto it. Thanks.
View ArticleYamaha R-700 STK3056
I have this old receiver. It plays sometimes then doesn't. It was playing for a bit then it crackled a bit. I wacked the internals a couple of times with a rubber screwdriver handle. It seemed like I...
View ArticleHeylo from Canada
Kool Audio Designs and/or Kind And Dedicated and/or Kick Ass Dude? Maybe all and more? Well I got the upgradeitis bug at a young age. Around nine, my mom brought me back a 25-in-1 electronic kit where...
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VNAV' SUMO Contest 2011
Hi all. Quanghao just introduce you to The Vietnam DIY with DIY pjaamr semiconductor amplifier power at this link: Next I would like to introduce to you tube amplifier contest conducted by the DIY...
View ArticleHow do get rid of massive computer noise?
Hi everyone. I am trying to use my car's amplifier on my computer and getting a lot of computer noises, for instance, when I move the mouse or load up programs the noises gets really loud. When I take...
View ArticleHeadphone distribution schematics
Hi, I'd like to DIY a simple device that uses one 9v battery to mix 4 iPads (4 inputs) that goes to 4 outputs that can drive 4 earbud-type earphones. This is so 4 people could plug into this device and...
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Only if I win the lottery
I'd start with (4) of these! JBL Project Everest DD65000 and DD67000 Flagship Loudspeakers Preview Audioholics Clint DeBoer's First Impression? Pretty Cool Why not? For some outlandish transducers,...
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What can my amp handle
I'm running a siliconray srk09 claimed 10w by two I'm wondering can I run two of these speakers in parallel Attached Images image.jpg (61.9 KB)
View ArticleWTB: miniDSP kit
I'd be looking for a miniDSP for unbalanced stereo (2 in, 4 out), like this one: miniDSP Kits | miniDSP Maybe someone has one for sale, preferably from Europe (easier with customs, taxes, shipping...)?...
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Single stage line with anode-cathode feedback
Hey, Have anyone tried the leftmost topology before? This one is with E88CC feedbacked to get 12dB gain. The opamp acts as inverter. Another singletube alternative is anode-follower but you are then...
View Article6av5ga distortion spectrum
Hi all. I'm throwing together a push pull amplifier with parts from my stash. It's got the cheapest danbury 6k6 20 w opt in at is but these will be replaced next month. This amp is going to be a test...
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wrong voltage 7905?
Hi, I need some help figuring this out and YES I am a noob :D The problem is that the voltage I am seeing after the 7905 is about -8.5V when it clearly should be -5V I have tried several 7905's with...
View ArticleAnyone Recommend 12" PA Speakers?
Any recommendations for 12" Full range PA speakers that will give good clear sound for voice, and live sound (vocals, guitars, keyboards etc)? 4ohm or 8 ohm - (Amp to purchase to). Thanks :cool:
View ArticleCan I add a Potentiometer to these Headphones?
So I had this headphone for a while and I'm really missing the volume control potentiometer I have grown so use to at work. These are for home and I don't really sit in front of the stereo and computer...
View ArticleWTS: CLIO SC-01 measuring system
Hi all, I have an CLIO SC-01 measuring system for sale. It is based on the PB4281 PCI board. It comes with CLIOwin 6.27 software (on a CD-ROM), but you can upgrade it for free to version 6.55, which is...
View ArticleBuy an Yuanjing amplifier. A good choice?
hi! I'm new to the forum, and almost new to chip amps. I want to buy/build a new amplifier, and Ebay have some great deals. Since my music system is a 2.1 system, I want to buy a 2.1 amplifier. I've...
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Help wiring x-over into bassbin
Hi, I recently bought a set of Wharfedale DLX 15B bassbins. Unfortunately the previous owner removed the x-overs and left no trail behind how it was connected. Can anyone assist me please?
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