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Old 26th May 2012, 05:00 PM   #231
Veda is offline Veda  Indonesia
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Join Date: May 2012
Quote:
Originally Posted by authlxl View Post
we found most of customer from diyaudio like sigma file debuging and try all audio parameter themselves , of course lots of audiophile like enjoy fixed audio parameter amp .
so we decide produce two version of this type amp, one for expert and open sigma files, one for audiophile with fixed parameter .
we have some USBI downloader here, if necessary ,tell us.
Is it possible to run the G33D all in stereo mode? The spec shows 2.1 and 3 way only. I don't use a sub and any power going to the sub while the stereo out is running 75W per ch only seems like a waste. Please let me know. Thanks.
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Old 30th May 2012, 11:13 AM   #232
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Location: Marche
A suggestion for low cost 4 ways (or multichannel) and even bridgeable Class-D amplifier chip:

MAX13301

Click the image to open in full size.

...and it integrates I2C interface too !

Hope that inspires !
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Old 3rd June 2012, 06:03 AM   #233
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Location: CHINA
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Default 1mhz 1.5kw resonant amplifier finished

3months ago, we start our new project for high power resonant amplifier, which apply in medical equipment, class E +class D topic , engineering prototype amp finished, works well.

Resonant Frequency :1mHz +/-10%
Protection : OTP/OCP/UVP/OVP/
Power out: Continuous /Burst(rms power out)
Loader : Piezoelectric Transducer
Ac power:230v or 110v 50 or 60Hz
Attached Images
File Type: jpg DSCF3409800600.JPG (261.2 KB, 204 views)
File Type: jpg DSCF3420800600.JPG (260.3 KB, 200 views)
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Old 3rd June 2012, 06:40 AM   #234
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Default T2100A/T2150A&T2100D/T2150D amp module finish!

We developed new module use NXP tda8920cth and tda8950th .pass our test now, works well.

T2100A 2x100w/4ohm TDA8920CTH+SMPS
T2150A 2x150w/4ohm TDA8950TH+SMPS
&
T2100D 2x100w/4ohm TDA8920CTH+SMPS+DSP
T2150D 2x100w/4ohm TDA8920CTH+SMPS+DSP

Test:

1. full load shorted protect passed,
2. no load full signal out direct shorted protect passed, full signal cap shorted output and inductor shorted output passed.
3.tempreture increase over current protect passed.
4.48hours half load burning passed.
5.pulse signal test passed.
6.square wave test passed.


We developed new series integrated DSP with tda class D chip(T2100D/T2150D), because we found no analog limiter performance better than dsp limiter,it can be works well with larger dynamic range, some of our customer assemble it in live show system, mic and cd signal mixed, amp burnt or tweeter burnt in worst case, but when add DSP unit, all fine.
Attached Images
File Type: jpg t2150d.JPG (243.5 KB, 196 views)
File Type: jpg t2150d (2).JPG (143.9 KB, 187 views)
File Type: jpg t2100a.JPG (223.3 KB, 62 views)
File Type: jpg t2150a.JPG (206.9 KB, 53 views)
File Type: jpg t21002150heatsink.JPG (185.0 KB, 38 views)
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Last edited by authlxl; 3rd June 2012 at 06:42 AM.
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Old 3rd June 2012, 06:44 AM   #235
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Default 4ch tas5630 +smps+dsp module testing

we developed new g300 series hi-fi board, integrated tas5630 4ch mode and wide range smps and dsp unit. testing now.
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Old 3rd June 2012, 06:47 AM   #236
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Quote:
Originally Posted by authlxl View Post
We have revised this amp twice for different applications, v3 pics upload here.
DP2500V3 specification list below
1.2X500W/4OHM/1%THD+N rms power.
2.interleaved PFC stage.
3.DSP preamp unit integrated, dynamic dsp processing (limiter/extend/moise gate).
4.stereo volume adjusted by one pot .
5.BTL MODE can be set by single SPDT switcher.
6.Cycle detection over current protect.
7.OVP/UVP/OTP/OCP/DCP full function protect.
8.auto variable temperature controlling fan cooling sysytem.
9.PFC stage+SMPS+Class D stereo AMP+DSP processing all in one.
10.Dimensions:250mm(L)x132mm(W)x68mm(H)
we have applied this unit to our high power powered mixer.performance good.
Attached Images
File Type: jpg MP SERIES.jpg (262.7 KB, 51 views)
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Old 3rd June 2012, 05:12 PM   #237
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Default G230V1.3 AMP

Quote:
Originally Posted by authlxl View Post
latest g230v1.3 modules upload, optimizing heat dissipation.

pics here:

We have finished g230v1.3 amp, 2ch and 4ch two type, attached pics here.
Attached Images
File Type: jpg DSCF3632800600.JPG (203.3 KB, 77 views)
File Type: jpg DSCF3645800600.JPG (188.1 KB, 71 views)
File Type: jpg DSCF3597800600.JPG (228.4 KB, 93 views)
File Type: jpg DSCF3638800600.JPG (193.7 KB, 95 views)
File Type: jpg DSCF3636800600.JPG (180.7 KB, 61 views)
File Type: jpg DSCF3570800600.JPG (247.2 KB, 69 views)
File Type: jpg DSCF3614800600.JPG (177.9 KB, 63 views)
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Old 3rd June 2012, 05:18 PM   #238
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Send a message via MSN to authlxl
Quote:
Originally Posted by authlxl View Post
3months ago, we start our new project for high power resonant amplifier, which apply in medical equipment, class E +class D topic , engineering prototype amp finished, works well.

Resonant Frequency :1mHz +/-10%
Protection : OTP/OCP/UVP/OVP/
Power out: Continuous /Burst(rms power out)
Loader : Piezoelectric Transducer
Ac power:230v or 110v 50 or 60Hz
amp burning video here:
1mhz 1.5kW amp burning -在线观看-播客视频-搜狐视频
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high efficiency high frequency high power level,www.csinewave.com
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Old 6th June 2012, 10:08 AM   #239
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Location: CHINA
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Default DMP1250 BI-AMP DEBUGGING!

We developed new version dsp processing active power amp modules, according to our customer reply, we set USB control port on panel, so customers can set General Parameters self .

DSP Unit Features:
1. 1 balance analog input and analog output.
2. 1 digital audio (AES3) input and digital output.
3. 4 analog output.
4. Support PEQ/xover/delay/limiter/gain setting.
5. support USB real time communication between computer and module.


We use advanced DSP from ADI, 172MHz core frequency,support 170ms digital audio delay,support AES digital audio asynchronous sample rate converters.

Compared with DM series active modules, it is hi-end version, debugging now.
Attached Images
File Type: jpg DSCF3447800600.JPG (194.1 KB, 79 views)
File Type: jpg DSCF3462800600.JPG (116.6 KB, 61 views)
File Type: jpg DSCF3463800600.JPG (174.0 KB, 51 views)
File Type: jpg QUANJING.jpg (81.7 KB, 60 views)
File Type: jpg dmp1250 block digram.jpg (86.6 KB, 67 views)
File Type: jpg dmp1250 specifications.jpg (91.6 KB, 56 views)
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Last edited by authlxl; 6th June 2012 at 10:27 AM.
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Old 6th June 2012, 10:13 AM   #240
Shaun is offline Shaun  South Africa
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Location: Cape Town, South Africa
Very good!

What is the specification of this one?
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