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Class D Switching Power Amplifiers and Power D/A conversion

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Old 7th October 2010, 05:03 PM   #861
udailey is offline udailey  United States
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Yes. Hopefully sub has gain control. Otherwise this should work.
Uriah
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Old 7th October 2010, 05:22 PM   #862
jtjy is offline jtjy  Singapore
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what if the sub has no gain control? am i still able to use the latter? also i am confirming the purchase of LDR soon. will email u again asap. thanks
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Old 7th October 2010, 05:37 PM   #863
udailey is offline udailey  United States
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If the sub amp and TK2050 have different gain it will be a problem with any preamp.
EDIT and thats assuming that your mains and sub speakers have same efficiency.
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Old 7th October 2010, 06:26 PM   #864
ptiJean is offline ptiJean  France
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Hey folks,
Did anyone try to use 2 boards on the same Meanwell ?
(ex: v1.1b and v2 boards on a Meanwell 350-27 VDC).
Is it experience to avoid ?
Thank you,
Regards
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Old 7th October 2010, 07:30 PM   #865
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I read that V1.1B runs very cool... I have a 22.5v transformer. This will bring me to about 31.5v after rectifying, unregulated (just over the max 31v recommended). How much play over the max do we have for safe operation?
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Old 7th October 2010, 07:50 PM   #866
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Quote:
Originally Posted by DarpMalone View Post
I read that V1.1B runs very cool... I have a 22.5v transformer. This will bring me to about 31.5v after rectifying, unregulated (just over the max 31v recommended). How much play over the max do we have for safe operation?
I guess if .5v is going to make or break anything they would have rated it lower

Nevermind
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Old 7th October 2010, 08:26 PM   #867
alkasar is offline alkasar  France
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Old 8th October 2010, 04:31 PM   #868
zlab is offline zlab  Hong Kong
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May I have the url of taobao?
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Old 8th October 2010, 04:49 PM   #869
alkasar is offline alkasar  France
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Quote:
Originally Posted by zlab View Post
May I have the url of taobao?
this one ?
hifimediy 100瓦功放板v2.0 单电源T类数字功放 可车用 - 淘宝网
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Old 8th October 2010, 05:08 PM   #870
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i think this is the current version v2:
新100瓦 单电源T类数字功放板 车用 - 淘宝网

and v1 alps:
80瓦+80瓦@8欧立体声T类功放单电源车用ALPS版 - 淘宝网
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