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Help New Guy (Rockville RXA T1 Car Amp)
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Old 6th December 2017, 06:55 PM   #31
Jeff Mills is offline Jeff Mills
diyAudio Member
Join Date: Dec 2017
Originally Posted by kevinkr View Post
They might be 2N6055C darlingtons, I can't imagine their use in an automotive amplifier claiming that power level. I can't imagine an automotive amp could produce that much power in a package of that size or cost.

References to YPI semiconductors appear on the web, I would not click the associated links as they appear bogus.

The amp costs about $70 retail so I would not spend much on an attempt to repair it.
Sorry Kevin i must have overlooked your response - sorry about that. Rockville car / marine amps are not bad. They are not the best out there but not the worst either. But for the price they are hard to beat. Most of their amps / speakers have three ratings Peak / RMS / CEA for various speaker loads.

For example this 1500 watt 2 channel has the following specs:

Rockville RXM-T1 1500 Watt Peak / 750 Watt RMS Marine 2 Channel Amplifier

CEA Compliant Power Ratings:
250 Watts (2 x 125 Watts) at 4 ohms and 1% THD+N
370 Watts (2 x 185 Watts) at 2 ohms < 1% THD
1 x 370 Watts bridged @ 4 Ohms < 1% THD

RMS Power Ratings:
750 Watts (2 x 375 Watts RMS) @ 2 ohms
1 x 750 Watts @ 4 ohm Bridged Mono
500 Watts (2 x 250 Watts RMS @ 4 ohms) < 1% THD

Peak Power:
1500 Watts (2 x 750 @ 2 ohms or 1 x 1500 @ 4 Ohms)

I always go by the CEA ratings for amps/speakers since it's the closest realistic rating you can get. Problem is a lot of manufacturers don't include CEA ratings for their gear.

BTW - I have Rockville's RXM-S6 Marine/Boat 6 Channel Amplifier bolted to the back wall behind the rear seat in my pickup. It's powering 12 8ohm door speakers, plus 2 dual 4ohm voice coil 10" subwoofers. If I get on it, it's so freaking loud it makes my eyes water, rattles my teeth and makes my nose itch. Not to say all mirrors are rendered useless. I really enjoy the clear A/B sound the RXM-6X produces and it's given me absolutely zero problems so far.

Have a look see -->Rockville RXM-S6 Marine/Boat 6 Channel Amplifier 2600 Watt Peak / 1300w RMS - Rockville Audio

Anyways I hope that helps???

Last edited by Jeff Mills; 6th December 2017 at 07:00 PM.
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