Sure Electronics New Tripath Board tc2000+tp2050 - Page 150

alevans51 · 26th April 2010, 05:53 AM

Pics of my installation.

Using an ASUS Xonar D2 computer sound card, which puts out Dobly ProLogic IIx 7.1.

Couple of NHTs and 5 Kilpsch with a Klipsch 10" sub.

Nick122147 · 26th April 2010, 10:46 AM

Quote:

Originally Posted by alevans51

Pics of my installation.

Using an ASUS Xonar D2 computer sound card, which puts out Dobly ProLogic IIx 7.1.

Couple of NHTs and 5 Kilpsch with a Klipsch 10" sub.

Looks nice! I'm thinking about something similar.
No volume pot, you adjust volume digitally?

alevans51 · 26th April 2010, 01:33 PM

Yes, volume is controlled through the computer's OS, Windows 7.

Barbieboy · 26th April 2010, 10:16 PM

Quote:

Originally Posted by alevans51

The LM3886 gain chip amp design is a minimalist expression for driving a complex loudspeaker. This was the explanation provided by the renouned Japanese engineer who came up with it. I understand LM3886 puts out 40W RMS and sounds like a valve amp according to audiophiles.
It does make a bit more heat, and this is where the single chip heads are missing the point. Class-D is way more efficient and brighter, holding nothing back, while tube-tuned audiophiles are looking for "warmth".

Whilst on the subject of 'Warmth', I find these D-Class amps too spiteful in the treble for my ageing tinnitus plagued ears. And the higher resolution and detail of the input caps makes things even worse for me........ Its almost as if they are letting through ultrasonics that cause my ears to clamp down within minutes, very frustrating.

I have noticed a number of Valve line buffers from China on ebay, and was wondering if anyone here has heard any of these units ? I bought the original Musical Fidelity X10-D v1 when it first came out in the 90's and only recently sold it because it no longer made any difference, even with replacing the valves. Musical Fidelity themselves now offer an upgrading clinic (so they can double their money again ?) by replacing the components with new ones, but the asking price was way too high and hence why I sold it.

YAQIN CD2-6J1 Tube Signal Upgrade CD Buffer Processor on eBay (end time 27-Apr-10 23:29:07 BST)

Barbieboy · 26th April 2010, 10:21 PM

Quote:

Originally Posted by teamacc

ST517 chip: Can handle higher voltage and higher current. Can produce approx 200w/channel

Teamacc - the only thing ebay threw up for ST517 chip was a yellow road sign warning of a deer crossing !

DEER CROSSING 5.0" color car bumper sticker decal ST517 on eBay (end time 05-May-10 19:10:20 BST)

sendler · 27th April 2010, 12:27 AM

Quote:

Originally Posted by sendler

Does anybody here also have a 3886 chip amp? I like the TK2050 better but would be interested to have you post your comparisons on the other thread.
.
2*100 watt @ 4ohm TK2050 or LM3886 Gain Clone??
.
They have a blind devotion to the 3886 in the chip amp forum.

Nobody here has a gain clone? I'm surprised.

Peter Menting · 27th April 2010, 01:22 AM

I have an OB with an Alpair 10 on top and an Alpha 15 in an "H" baffle below; active c/o @150hz. I drive the 10's with a Winsome Mouse and the Alpha's with one of Peter's 3875 "minimalist" GC's. I recently decided to go active with amps and crossovers mounted behind the baffle on the shelf of the "H". In the transition I swapped the amps out of curiosity and found myself liking the 3875's more than the Mouse. As Barbieboy noted, the "D" amps have a somewhat annoying high end while the GC's are softer without a loss of accuracy----! I also feel that the 3886 is not as good as the 3875, more power yes, but less quality of sound.

Just my 2c,
Pete

teamacc · 27th April 2010, 06:17 AM

Quote:

Originally Posted by Barbieboy

Teamacc - the only thing ebay threw up for ST517 chip was a yellow road sign warning of a deer crossing !

DEER CROSSING 5.0" color car bumper sticker decal ST517 on eBay (end time 05-May-10 19:10:20 BST)

Try 41hz.com

kristleifur · 27th April 2010, 09:22 AM

Quote:

Originally Posted by Barbieboy

Teamacc - the only thing ebay threw up for ST517 chip was a yellow road sign warning of a deer crossing !

DEER CROSSING 5.0" color car bumper sticker decal ST517 on eBay (end time 05-May-10 19:10:20 BST)

Very good

It takes careful searching to find this rather new chip. Though it is from ST Electronics, the full name of the chip is STA517B.

jzagaja · 27th April 2010, 09:48 AM

How long this board can run on 12V battery driving 15" bass speaker with some EQ. Could it work?

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26th April 2010, 01:33 PM	#1493
alevans51 diyAudio Member Join Date: Aug 2006 Location: New Orleans	Yes, volume is controlled through the computer's OS, Windows 7.

27th April 2010, 01:22 AM	#1497
Peter Menting diyAudio Member Join Date: Jul 2003 Location: Blackstone VA	I have an OB with an Alpair 10 on top and an Alpha 15 in an "H" baffle below; active c/o @150hz. I drive the 10's with a Winsome Mouse and the Alpha's with one of Peter's 3875 "minimalist" GC's. I recently decided to go active with amps and crossovers mounted behind the baffle on the shelf of the "H". In the transition I swapped the amps out of curiosity and found myself liking the 3875's more than the Mouse. As Barbieboy noted, the "D" amps have a somewhat annoying high end while the GC's are softer without a loss of accuracy----! I also feel that the 3886 is not as good as the 3875, more power yes, but less quality of sound. Just my 2c, Pete

27th April 2010, 09:48 AM	#1500
jzagaja diyAudio Member Join Date: Jun 2004 Location: Szczecin	How long this board can run on 12V battery driving 15" bass speaker with some EQ. Could it work?