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Old 12th April 2010, 04:08 PM   #41
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good amplifier
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Old 12th April 2010, 05:26 PM   #42
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good amplifier
Good caps
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Old 12th April 2010, 10:03 PM   #43
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apex,
what are the psu specs for b250?
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Old 12th April 2010, 10:46 PM   #44
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Originally Posted by engel dela pena View Post
apex,
what are the psu specs for b250?
B250 PSU
Transformer for stereo 800W 2x50V AC, when using 3x2SC5200/2SA1943
On picture with 3x2SD1047/2SB817 was used transformer 600W 2x45V AC.
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Old 13th April 2010, 01:28 AM   #45
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apex,
b250 this is perfect for mids and hi's
can you post pcb and landscape
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Old 13th April 2010, 07:38 AM   #46
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Originally Posted by engel dela pena View Post
apex,
b250 this is perfect for mids and hi's
can you post pcb and landscape
B250 and B500 use same PCB.
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Old 13th April 2010, 12:46 PM   #47
presbel is offline presbel  Philippines
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Hi Apex,
Can I use OPA2134 instead of Ne5532.

Rey
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Old 13th April 2010, 01:20 PM   #48
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Hi Apex,
Can I use OPA2134 instead of Ne5532.

Rey
Probably any dual OP will work in this circuit. I mostly used TL072. OP amp work as AC buffer and DC servo in this circuit.
Regards
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Old 13th April 2010, 01:22 PM   #49
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apex,
good day sir
how is your site going?eu.net
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Old 13th April 2010, 01:25 PM   #50
presbel is offline presbel  Philippines
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Thanks Apex
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