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Old 8th October 2012, 04:26 PM   #291
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Join Date: Oct 2012
Hello Authlxl,

please forgive me if I have missed somehthing, but I need to ask now:

Why do these amplifier modules convert the PCM/I2C digital input into analog and from there again the signal is converted into PWM? Isnt there a high quality chip which directly accepts PCM/I2C? Well the G300DS is pretty much what I am looking for - a dig. input module for a high-end but hidden audio system ( I plan to have a raspberry Pi or similar with XBMC running as remotely controlled audio source)

Cheers!
Andy
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Old 9th October 2012, 02:37 PM   #292
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Location: CHINA
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Default MINIV2 TDA8950 CLASS D AMP MODULE FINISHED

Finally we finish our latest tda8950 class D amp, integrated our newer single chip resonant half bridge SMPS. we have tested it for some days, pass our test and works well.it is the most stable tda8950 module from us from now.we will assemble it to our original G300X amp.

MINIv2 FEATURES:
• TDA8950TH Hi-Fi class D chip inside
• Stage based on the new type high stability class d circuit
• An High efficiency Series-resonant switch power supply inside
• A wide set of features for plug and play implementation into applications such as home theatre and other hi-fi amp equipment
•Easy using,BTL/SE jumped by one soldering point
•Auxiliary preamp power inside .+/-15V@200mA max and +5V@200mA(linear regulator)
•Auto clip detect and revise function.
•Output PWM LED indicator function.

MINIv2 SPECIFICATIONS:
POWER OUT: 2110W/ 4Ω /10%THD/SE MODE
290W/ 4Ω / 0.5%THD / SE MODE
1220W/ 8Ω /10%THD/ BTL MODE
FREQUENCY RESPONSE: THD+N ≤0.05% / 20-20KHz / 1dB/1W
INPUT SENSITIVITY: 0dB(1Vrms)
POWER SUPPLY: 110VAC OR 220VAC 50 OR 60Hz
AUXILIARY POWER: +/-15V@200mA max and +5V@200mA max
(linear regulator)
DIMENSIONS: 160MM(length)*80(width)*35mm(height)
WEIGHT: 0.39Kg
Attached Images
File Type: jpg DSCF3807640480.JPG (133.2 KB, 212 views)
File Type: jpg DSCF3833640480.JPG (124.2 KB, 202 views)
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Last edited by authlxl; 9th October 2012 at 02:44 PM.
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Old 11th October 2012, 03:29 PM   #293
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Default G300SA AMP FINISHED,2COAXIAL INPUT AND 1 STEREO INPUT

Support 2 coaxial spdif signal input ,support 192KHz/24bit sample rate, stereo analog mixed with coaxial processing unit D/A signal,suit for studio amp and home audio.
Attached Images
File Type: jpg DSCF3864800600.JPG (223.6 KB, 194 views)
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File Type: jpg DSCF3873800600.JPG (231.3 KB, 189 views)
File Type: jpg DSCF3881800600.JPG (221.0 KB, 65 views)
File Type: png G300SA.png (45.5 KB, 68 views)
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Old 12th October 2012, 08:24 PM   #294
NiToNi is offline NiToNi  United Kingdom
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Do you have EXACTLY that configuration (chassis, preamp board, inputs etc) but with the G300DDK6 board?

If not, do you have the same but with the TAS5630B chip?

Is the only difference between the G300SA and the existing G300 model the two coaxial inputs (with built-in DAC)?
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Old 13th October 2012, 01:02 PM   #295
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Quote:
Originally Posted by NiToNi View Post
Do you have EXACTLY that configuration (chassis, preamp board, inputs etc) but with the G300DDK6 board?

If not, do you have the same but with the TAS5630B chip?

Is the only difference between the G300SA and the existing G300 model the two coaxial inputs (with built-in DAC)?
Thank you for your reply, we can make one new preamp board which support G300DDK6 I2S input,with coaxial input and optical input . same front look as G300. we will place optical and coaxial digital input switcher at rear panel.

if any good ideas ,pls let us know
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Old 13th October 2012, 02:46 PM   #296
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Default GOOD LOOKING ON SHANGHAI PROLGIHTSOUND SHOW

Little leisure in busy SHANGHAI show!
1.SMPS CLASS H PROAMP 3000W
2.SMPS CLASS D+CLASS B PROAMP 4000W
3.MULTICHANNEL PUBLIC ADDRESS AMP 5X50W
4.NEW PUBLIC ADDRESS AMP FROM BEHRINGER
5.New type Ipad stand and record system
6.Aluminum active amp panel
7.Aluminum active amp panel
8.Live show
9.Work hard!
10.Successors will unfailingly come forth
Attached Images
File Type: jpg DSCF3928800600.JPG (244.4 KB, 93 views)
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File Type: jpg DSCF3993800600.JPG (212.4 KB, 70 views)
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File Type: jpg DSCF4036800600.JPG (251.3 KB, 61 views)
File Type: jpg DSCF4052800600.JPG (272.5 KB, 61 views)
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Last edited by authlxl; 13th October 2012 at 03:01 PM.
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Old 14th October 2012, 01:32 AM   #297
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Was it on the EXPO area? I missed it yesterday - walking around downtown. Do you have a booth there?
Andy
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Old 14th October 2012, 02:46 PM   #298
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Quote:
Originally Posted by morphy8 View Post
Was it on the EXPO area? I missed it yesterday - walking around downtown. Do you have a booth there?
Andy
...and I was wondering why there is so much noise in my Hotel room (staying in the Kerry Hotel - next to Expo lol)

Back to topic:
What about adding some tiny board which plays XBMC feeding directly the amp? No need for display or anything - just LAN connection. Then you have a Power-Media-Player. Controlled via WLAN by Remote by Android app. I guess Hifiakademie has something similar and found it always very interesting to have a n all in one mediaplayer.
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Old 14th October 2012, 05:21 PM   #299
authlxl is offline authlxl  China
SINEWAVE ELECTRONICS CO.,LTD
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Quote:
Originally Posted by morphy8 View Post
...and I was wondering why there is so much noise in my Hotel room (staying in the Kerry Hotel - next to Expo lol)

Back to topic:
What about adding some tiny board which plays XBMC feeding directly the amp? No need for display or anything - just LAN connection. Then you have a Power-Media-Player. Controlled via WLAN by Remote by Android app. I guess Hifiakademie has something similar and found it always very interesting to have a n all in one mediaplayer.
sorry for our poor English! this our commercial area!!
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Old 15th October 2012, 01:55 PM   #300
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Quote:
Originally Posted by authlxl View Post
sorry for our poor English! this our commercial area!!
ok 1:0 for authlxl :-)
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