Well... it's a great place to listen to the music loudly, with tactile effects, without harassing anyone :)  Then the ambient noise is not an issue anymore, and with some EQ you might get the acoustics okay sounding :)

These (and similar LipSync) ICs, they do it in digital domain: http://www.ti.com/product/tpa5050   Will need to split and merge I2S channels, might be a glue-logic hack (LRCLK-driven MUX gate on the DATA trace). For R channel i'll get the LipSync delayed data, and for L channel - "before...

Thanks! I might mix the options with Neutron's software PEQ and a time-delay in hardware (i design DACs on daily basis so it won't be much issue AFAIK, i already have some IC on my mind for the delay...). Or go with beaglebone with an android phone as a remote... Well, this will require...

Oh my.   I'm trying to figure out how do i replace my old iRiver h120 in the car with a brand-new-awesome-android-phone.   I'm looking for an app to be able to... 1. Play music, including lossless stuff 2. Handle directory-based navigation 3. Have DSP plugins with open-source framework...

What are limitations of B+ supply? I think of rolling-up the currents... My trafo is rated for 200ma, and i use just ~66ma.   The issue i try to deal with: There is some threshold in the amplifier. It sounds like "noise gate" - i hear the large-signal music and it's low-signal...

Quote:     There is reason for such ascetical design :) I have'nt found any push buttons that could pair with my cases - so - no buttons. Power switches on the back are fine too. The TRS jack socket looks ugly imho, i have already ordered a proper one from Neutrik (with metallic hex...

Thanks! It's 45x25 knob from eBay. http://shop.ebay.com/i.html?_nkw=45x25+knob&_sacat=0&_odkw=volume+knob&_osacat=0&_trksid=p3286.c0.m270.l1313   The cases are from WonderCo http://stores.ebay.com/wonderco-buy79/Metal-/_i.html?_fsub=2037457011    

And, yet another Bijou came to life!      The whole rack:  - Bijou  - GainClone /LM3886/  - DAC with SAA7220/TDA1541 - under heavy tweaking right now.   And some wires: http://s3t.it/cool/rca-wires-high-end-on-budget/

Yay, it's working :) On my ol' 565 sens - just for testing. Weirdly enough, it doesn't produce any hum although the power transformer is so close to the circuit. Probably star grounding and shielding signal wires helped a bit...   The thing which worries me - are the clicking/popping...

Ok, it seems i'vefigured out what's the problem. The transformer seems to be weak.   The trimpot regulates well the 240-246v, but it won't let me rise the voltage up to 250v - nothing happens when i turn it futher.   I've got pretty high load with these russian tubes, so maybe CRCRC...

The mosfets are right, caps too...     Cleaned-up the tubes, removed thermal insulation tubes off PS CRCRC resistors - the amp quit smoking    Hm... The behavior of +250v of mine: Slowly rises during startup (10-15 sec), up to 252v. (it stays at zero for 5-7sec , then rapidly...

Hi, tomorrow is the day. I have already powered it up, but it smoked a bit, so i'm asking for your advice: Should i let him smoke for a hour? By "smoke" i mean the scent of something getting hot. Burning oil on the tube's surface, paint on power supply resistors e.t.c? Probably i should...

Hi all!   I've run into some problem with a power supply:   The SOHA II requires 2x15v 1a PS with 300ma tubes. 30v*1a = 30VA. All i have are: 15x2 18va x7 15x2 25va x1   And i plan to use russian tubes (6.3v 600ma heaters). Therefore i need to get 1.5A PS for the whole board...

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well, than it's ok, Do you plan to control the volume with the same pot?