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-   -   a quickie about the JBL 1200.1 (https://www.caraudioforumz.com/general-discussion-10/quickie-about-jbl-1200-1-a-1758/)

Tzu 12-31-2003 01:30 PM

This is a mono amp, which means it puts out power onto one channel. If this is true, how come the amp has outputs for two speakers? (2+'s and 2-'s)
thanks

Dereck Waller 12-31-2003 01:39 PM

To make it easier to hook up a pair of outputs, they are parralleled internally.

Tzu 12-31-2003 01:55 PM

paralelled internally? so if i hook up a 4ohm sub to each pair of outputs, the amp will see a 2ohm load?

Dereck Waller 12-31-2003 02:19 PM

Yes

Rob 12-31-2003 03:05 PM

Can you use four 8ohm subs ? That would be nice.

Bigmike216 12-31-2003 03:22 PM

that you could, as long as them amp is 2 ohm stable.

[ December 31, 2003, 04:23 PM: Message edited by: bigmike216 ]

Tzu 12-31-2003 03:40 PM

the amp is 1ohm stable but i think it is 2 ohm optimized correct?

Dereck Waller 12-31-2003 03:53 PM

It does the same power into 2 or 1 ohm. I would stick with 2 ohm personally.

Xiph0id 12-31-2003 05:57 PM


Originally posted by DWVW:
It does the same power into 2 or 1 ohm. I would stick with 2 ohm personally.
Ditto!

X

A-Rok 12-31-2003 06:38 PM

I'd run them at 1 ohm, they are very stable there. They put out a bit extra power there even.

We gained 1.0 dB's by loading them down to ½ ohm. They were ran daily like that for 2 months, ended up smoking some drivers, and still remained in immaculate condition.


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