Active Speakers to cannibalize ?

johninCR · 19th August 2004, 12:58 AM

Now that manufacturers like Advent are starting to come out with wireless active speakers for under $100/pr , does anyone know of any active speakers that contain a high enough quality chip amp to make them worth buying just to cannibalize and use the guts for DIY active speakers ?

wunhuanglo · 19th August 2004, 01:27 AM

Why not just buy these?

Sonic Impact introduces the first totally portable am capable of generating 15W per channel output from a fully battery operated source that fits in the palm of your hand and weighs less than one and a half pounds. Ideally suited for powering the SoundpaX speaker line by Sonic Impact. In stock March of 2003.

GENERAL DESCRIPTION
The TA2024 is a 15 W /ch continuous average two - channel Class - T Digital Audio
Power Amplifier IC using proprietary Digital Power Processing ™ technology.
Class - T amplifiers offer both the audio fidelity of Class - A B and the
power efficiency of Class – D amplifiers .
APPLICATIONS
· Battery Powered System
· Optional AC Adapter for 12 V power source
· No heat sink required up to 15W per channel
· Intelligent short circuit protection
· Connects to any passive 4/8 Ohm speakers
· Takes standard audio line input from any sound system

http://www.target.com/gp/detail.html...sin=B00009W44B

Dave Jones · 19th August 2004, 02:19 AM

Here's the chip that's in that amp. Kinda neeto?

http://www.tripath.com/downloads/TA2041.pdf

johninCR · 19th August 2004, 02:43 AM

I've looked into Tripath amps before and they wanted $100 or so for an evaluation board. However, now that I know which Tripath amp is in the Sonic Impact 5066, I can't pass that up. I found some other cheaper sources.

$20.46 at http://www.efunctional.com/sit5066.html
with shipping, still under $30, not bad

Now it really makes sense to actively XO .

Hybrid fourdoor · 19th August 2004, 04:27 AM

Can also check out ebay for "active monitors" under Pro-Audio or home audio.

SQ Kid · 19th August 2004, 06:00 AM

i believe apex jr has a few amps from powered Alesis monitors. havent checked the stie in a while, but i know i have seen full range amps on there for good prices

HiSPL · 21st August 2004, 03:50 PM

You could try this too.. http://www.envisionelectronics.com/products1.htm

I've heard some good things about it.....

Variac · 21st August 2004, 06:20 PM

Or this if you want a PA system:

http://www.partsexpress.com/pe/pshow...=300-797&DID=7

CRFX · 6th October 2004, 03:47 AM

Quote:

Originally posted by Dave Jones
Here's the chip that's in that amp. Kinda neeto?

http://www.tripath.com/downloads/TA2041.pdf

you wouldnt happen to know a source that sells these do you? Or even the TA2020?

If I'm reading the datasheet right i wont even need a heatsink since I won't push it past a watt or 2. (well at most a really small one)

I'm in the mood to break out the soldering iron.

johninCR · 6th October 2004, 05:47 AM

Target has one of the 15 watt tripath amps in its $30 TAmp.

19th August 2004, 12:58 AM	#1
johninCR diyAudio Member Join Date: Apr 2004 Location: Costa Rica	Active Speakers to cannibalize ? Now that manufacturers like Advent are starting to come out with wireless active speakers for under $100/pr , does anyone know of any active speakers that contain a high enough quality chip amp to make them worth buying just to cannibalize and use the guts for DIY active speakers ? __________________ Everyone has a photographic memory. It's just that most are out of film.

19th August 2004, 02:19 AM	#3
Dave Jones diyAudio Member Join Date: Jul 2003 Location: Silicon Valley	Here's the chip that's in that amp. Kinda neeto? http://www.tripath.com/downloads/TA2041.pdf __________________ Davy Jones

19th August 2004, 02:43 AM	#4
johninCR diyAudio Member Join Date: Apr 2004 Location: Costa Rica	I've looked into Tripath amps before and they wanted $100 or so for an evaluation board. However, now that I know which Tripath amp is in the Sonic Impact 5066, I can't pass that up. I found some other cheaper sources. $20.46 at http://www.efunctional.com/sit5066.html with shipping, still under $30, not bad Now it really makes sense to actively XO . __________________ Everyone has a photographic memory. It's just that most are out of film.

19th August 2004, 04:27 AM	#5
Hybrid fourdoor diyAudio Member Join Date: May 2003 Location: Ft. Worth, TX	Can also check out ebay for "active monitors" under Pro-Audio or home audio. __________________ I enjoy my organic shapes.....

21st August 2004, 03:50 PM	#7
HiSPL diyAudio Member Join Date: Jun 2004 Location: College Station, TX	You could try this too.. http://www.envisionelectronics.com/products1.htm I've heard some good things about it..... __________________ Hey, do you hear that?


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19th August 2004, 01:27 AM	#2
wunhuanglo diyAudio Member Join Date: Jun 2004 Location: New Orleans, LA	Why not just buy these? Sonic Impact introduces the first totally portable am capable of generating 15W per channel output from a fully battery operated source that fits in the palm of your hand and weighs less than one and a half pounds. Ideally suited for powering the SoundpaX speaker line by Sonic Impact. In stock March of 2003. GENERAL DESCRIPTION The TA2024 is a 15 W /ch continuous average two - channel Class - T Digital Audio Power Amplifier IC using proprietary Digital Power Processing ™ technology. Class - T amplifiers offer both the audio fidelity of Class - A B and the power efficiency of Class – D amplifiers . APPLICATIONS · Battery Powered System · Optional AC Adapter for 12 V power source · No heat sink required up to 15W per channel · Intelligent short circuit protection · Connects to any passive 4/8 Ohm speakers · Takes standard audio line input from any sound system http://www.target.com/gp/detail.html...sin=B00009W44B

19th August 2004, 06:00 AM	#6
SQ Kid diyAudio Member Join Date: Apr 2003 Location: MA	i believe apex jr has a few amps from powered Alesis monitors. havent checked the stie in a while, but i know i have seen full range amps on there for good prices

21st August 2004, 06:20 PM	#8
Variac diyAudio Editor Join Date: Dec 2001 Location: San Francisco, USA	Or this if you want a PA system: http://www.partsexpress.com/pe/pshow...=300-797&DID=7 __________________ 2013 Burning Amp Festival announced: Sunday, October 6th in S.F. We need Volunteers & sign-up's for what you're bringing!

6th October 2004, 05:47 AM	#10
johninCR diyAudio Member Join Date: Apr 2004 Location: Costa Rica	Target has one of the 15 watt tripath amps in its $30 TAmp. __________________ Everyone has a photographic memory. It's just that most are out of film.

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