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Old 29th July 2011, 07:58 AM   #1
Junie is offline Junie  Philippines
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Default Help Identify YAMAHA amp

Good morning to all.
Well another digging and found the below amp module, i know it's from Yamaha but I don't know what model it is.
A schematic is very helpful indeed if you can send it to my mail at juni_macs@yahoo.com
Any help will be greatly appreciated, have a nice day ahead folks.

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Old 29th July 2011, 10:19 AM   #2
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I think it's a Yamaha PC2602 driver board. But you should check if it's true.
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Old 29th July 2011, 12:05 PM   #3
Junie is offline Junie  Philippines
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Thanks pradigmshift

Anyone got a schematic? I'm planning to use this amp for my JL 12W6V2.
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Old 29th July 2011, 04:01 PM   #4
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Has been sent. Could you explain JL 12W6V2?
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Old 29th July 2011, 05:37 PM   #5
Junie is offline Junie  Philippines
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Quote:
Originally Posted by pradigmshift View Post
Has been sent. Could you explain JL 12W6V2?
It's a Sub by JL audio, it was installed in my car a year ago.
Thank you very much for the schematic mate.

here's a link of a subwoofer JL Audio 12W6v2 Subwoofers - Car Audio Subwoofers
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Old 29th July 2011, 08:57 PM   #6
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Nice sub! But if used in a car, it may be better to use a class D amp instead of AB? Idle it will use around 50 Watts...
The boards do look sturdy enough to use it.
With this amp I would use the voice coils in series if you bridge the amp.
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Old 29th July 2011, 10:35 PM   #7
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This looks to be a mono module, no bridging possible.
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Old 30th July 2011, 12:41 AM   #8
jaycee is offline jaycee  United Kingdom
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The SRBP board will probably crack when used in a car. Also i'd say there is a transistor missing - Q115. You'd also have to build a switchmode supply to convert the car's 12V power into a suitable symmetric supply to run the amp.
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Old 30th July 2011, 05:22 AM   #9
Junie is offline Junie  Philippines
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I'm planning to use the sub in HT not in car. I don't want to use it in my daily driver car anymore as i'm driving 200km from sunday to thursday and I have three colleauge coming with me too so it's quite heavy to have it in my car.

I created another thread for the enclosure design, please shed me some ideas, many thanks.

JL 12W6V2 sub for home use
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Old 30th July 2011, 05:27 AM   #10
Junie is offline Junie  Philippines
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Quote:
Originally Posted by jaycee View Post
The SRBP board will probably crack when used in a car. Also i'd say there is a transistor missing - Q115. You'd also have to build a switchmode supply to convert the car's 12V power into a suitable symmetric supply to run the amp.
Hi jaycee, the missing tranny is 2sc4793, a counterpart of 2sa1837 .
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