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Old 18th November 2016, 14:07   #13366
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Default Re: Car Audio Advice from the Audio Gurus: Use "Search thread" before posting a new Q!

what are you going to use the amp to drive?
in a typical scenario, 8ga should be plenty for this amp!
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Old 18th November 2016, 14:22   #13367
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Originally Posted by greenhorn View Post
what are you going to use the amp to drive?
in a typical scenario, 8ga should be plenty for this amp!
Here's my entire setup:-

HU - Pioneer FH-X789BT (3 pre outs)
Amplifier - Powerbass ASA3 700.5 (5 channel)
Subwoofer - Focal Auditor RIP 300S 4 ohm DVC
Components - JL Audio TR650-CSi
Coaxials - Rockford Fosgate Punch series P1675
Amp kit and speaker wires - Earthquake Sound (surely cca and not ofc)
RCA cables - Monster (don't know if they are original or not)

Only damping left now. Will mostly get Dampmat Exceed installed next week.

Last edited by straight6 : 18th November 2016 at 14:24.
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Old 23rd November 2016, 17:07   #13368
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Originally Posted by straight6 View Post
The terminals don't seem to be big enough for 4ga but I can use gauge reducers for that.

Here are the specs of the amp:- ...
IMHO this amp won't require 4GA - 16mm2 will be good enough for a normal setup.

Gauge reducers will actually reduce the cross-section area, defeating the purpose of using 4GA.
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Old 24th November 2016, 18:17   #13369
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Originally Posted by DerAlte View Post
IMHO this amp won't require 4GA - 16mm2 will be good enough for a normal setup.

Gauge reducers will actually reduce the cross-section area, defeating the purpose of using 4GA.
Are you sure? As I'm pulling around 600 rms from it. 50x4 at 4 ohms and 400x1 at 2 ohms (plus I'm changing my woofer to the Pioneer champion series 400rms DVC). Most wiring gauge guides tell you that above 400 rms you need 4ga. Even here they say use 4ga under description -

http://www.sonicelectronix.com/item_...SA-700.5X.html

Also, the gauge reducers from Stinger are very good. No power loss reported by anyone using them.

Last edited by straight6 : 24th November 2016 at 18:19.
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Old 24th November 2016, 20:11   #13370
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Are you sure? As I'm pulling around 600 rms from it. ...
You are not. You are reckoning with Max figures. If that much is really pushed through your system, you will not be able to sit inside the car. If you don't believe that, please request a demo from anyone who has an SPL system in their car (there are very few people like that). Under normal circumstances in an SQL system, one uses about 10-120W depending on music passage, sub inclusive.

Different matter if you want to use it as a SPL system (low distortion) or PA system (higher distortion but ear piercing loudness). Neither your amp nor the sub is meant for such duty.

Quote:
Originally Posted by straight6 View Post
... Also, the gauge reducers from Stinger are very good. No power loss reported by anyone using them.
Not power loss, but the max current capacity. If someone says reduction in cross-sectional area doesn't reduce max current carrying capacity, one is defeating electrical engineering fundas.

The cross-sectional area of a wire carrying power is not dependent on manufacturers' power numbers. It is dependent on the amps expected to flow through, and manufacturers never declare the current that will drawn from supply when the max power is being put out. Power is a product of the voltage and current. With amps the current drawn depends on the music passage, and is never constant. Sizing the power wire based on max expected current is sending good money down the drain, as you will never reach that situation.
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Old 25th November 2016, 00:25   #13371
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Default Re: Car Audio Advice from the Audio Gurus: Use "Search thread" before posting a new Q!

Quote:
Originally Posted by straight6 View Post
As I'm pulling around 600 rms from it.
If your amp has fuse installed, check the ratings than the o/p, that will give you an idea about the gauge of the wire required.

Just now I noticed that you had mentioned the specs, it says
Fuse Rating 30A x 2

It needs a cable capable of carrying 60amps (gauge depends on the distance too) and the compatible fuse, nothing more nothing less.
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Old 25th November 2016, 20:04   #13372
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Default Re: Car Audio Advice from the Audio Gurus: Use "Search thread" before posting a new Q!

8 awg is more than enough for your amp.
It is also mentioned in page 20 of the user manual of your amp where a simple table has been given to choose the correct power/ground cable to be chosen depending on the fuse rating and the total length of the cable.
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Old 26th November 2016, 18:05   #13373
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I am planning to buy Duster RxL. The plan includes installing a navigator to include the media player and reverse camera in a single unit.
The dealer has suggested to install MMI ICENAV301A as dealer fitment at the cost of 30k. He will refund 2.5k for the existing unit. The cost includes the system, camera and installation charges.
Are there any reviews on the system? How is the pricing?
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