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Old 21st February 2007, 08:34 AM   #151
Mrpong is offline Mrpong  Thailand
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Hi Zang,

Do you have some PCBs available? I'm interested about two bare boards.
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Old 28th March 2007, 02:18 AM   #152
digi01 is offline digi01  China
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sorry mini zen v2 is stopped.
i am working on a dedicated mod,the new module will include pre stage.

zang
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Old 14th May 2007, 03:09 AM   #153
A'af is offline A'af  Indonesia
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Default Zem headphone amp ver.1

hi folks,

i have some spare of this board for version 1, not the FR4 but CEM.

1 board for US$3 plus shiping stereo need 2 board. (discount work if you buy more than 10 boards)

if anyone want it, pls PM me.

thanks,
a'af
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Old 23rd October 2010, 08:39 PM   #154
sonidos is offline sonidos  United States
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Default C2 voltage value?

I just picked up two of these boards from another member on the forum. How critical is the voltage value in this circuit?

Can I get by safely with 50V? At first blush, the C6 and C7 caps are rated for 50 volts, so why 63V to 100V ratings? Was it just expediency at the time? Thanks in advance!
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Old 5th November 2010, 06:15 PM   #155
sonidos is offline sonidos  United States
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nm - I see by the schematic that it should see about 24 V on the rail (not regulated though)...so I'm going with 50V caps minimum...talk about late to the party!
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