MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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ive got a 12" audiobahn sub, 500w rms, 1000w max sub, 2 or 8 ohm operation running on s shit as fuck cheao amp from ebay..... a 2 channel amp, its about 175 rms, 1000 or 1500 max bridged... ive been told underpowering the sub soo much will fuck it up, is this true??? and what amp do i need for my sub ??????
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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Yes its true, and for that sub your best off with a mono amp as you are for any type of subwoofer
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MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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ok mate thanks, its nw for sale.. gotta save for a stupidly overpriced mono amp  lol
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AdiSRI
Member
Registered: 1st May 02
Location: Berkshire
User status: Offline
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go for the new alpine MRD-M605, very reasonable.
POWER SPECIFICATION
MOSFET Output Power
DC-DC PWM Power Supply
Discrete Pre-Amp Stage
Digital Control Centre Display
STAR Circuit
High Temperature Protection
Over Current Protection
Subsonic Filter (off/15/30Hz)
Bass EQ (45Hz, +16dB)
Independent Crossover
RCA Pre-out
Speaker Input (RCA Conversion)
Phase Selector
Amp Link 05
Max 1000x1
600w x 1 RMS @ 2Ohm 14.4v
400w x 1 RMS @ 4Ohm 14.4v
400w x 1 RMS @ 2Ohm 12v
250W x 1 RMS @ 4Ohm 12v
http://www.cel-direct.com/detail.asp?ProductID=3882
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cdcool1
Member
Registered: 9th Jun 02
Location: Scunny
User status: Offline
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Under powering a sub will not "fuck it up". You will just receive a lower output from it.
Igrnore "Max" power figures. They mean nothing!
Have a look at these amps:
http://www.caraudiodirect.co.uk/product_info.php?products_id=3587&cadid=5276659268e3aa5729eb454b94efe4bd
http://www.caraudiodirect.co.uk/product_info.php?products_id=4134&cadid=5276659268e3aa5729eb454b94efe4bd
http://www.caraudiodirect.co.uk/product_info.php?products_id=4171&cadid=5276659268e3aa5729eb454b94efe4bd
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corsaggh
Member
Registered: 28th Feb 05
Location: Bristol
User status: Offline
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you will not damage the sub by under powering it. you just got to be carefull how much gain you give on the amp. When the sub tries to play the distorted signal from the amp because the amp is being overworked, that is what "fcuks it up".
Get a better amp though. It will be worth the money.
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MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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those amps all look good, cheers. so my current amp wont blow my sub ???
[Edited on 14-06-2005 by Mike_Corsa]
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langey
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Registered: 7th Sep 03
Location: Wigan
User status: Offline
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mike you told me you run the sub form the ampo you told me you got, and you said you play it loud all the time and the gains are up on the amp are they not?
so that will fuck it up becuase like corsaggh said, its playin a distorted signal
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MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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lol im sellin it langey anyway - £40 colected. have to save for a kenwood or alpine if i can stretch to that lol
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Speedline
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Registered: 14th Jun 05
Location: North West
User status: Offline
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£40?, is that with wiring kit aswell?
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MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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erm... £45 with wiring only if you collect (ill b honest tho it depends where ur havin the amp, cos my wires have been cut down to suit my own install, but £45 with kit if u collect asap.
[Edited on 14-06-2005 by Mike_Corsa]
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AdiSRI
Member
Registered: 1st May 02
Location: Berkshire
User status: Offline
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That alpines only £180 anyways, very good for the power output.
Running an amp with way low power loud will damage a sub over time as you will be sending the sub a nasty clipped signal, causing heat build up and melted voice coils.
As i have said before if you cant afford an amp with the right power rating for the sub or decent quality then get a sub with a lower power rating...
Eg a JL W0 which only needs 125w rms and will still probably outperform that audiobahn one.
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MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
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ok m8 cheers
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