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can i use a bigger amp??

Old 08-24-2002, 07:48 PM
  #1  
Mikeveli
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Default can i use a bigger amp??

ok right now, i have 2 12" polk DB's (Dynamic Balances (discontinued)), and a Kenwood KAC-728 powering it...
NOW MY QUESTION IS...is the amp i have right now enough for my subs? or can i go even bigger to make them pound harder? if, i can get a bigger amp, please give me some suggestions...most of the suggestions if have gotten were towards either a JBL 1200.1 or a 600.1 (mostly 600.1)...thanks

these are the specs for one 12" sub...

12"(30.5cm) Subwoofer
db subwoofer drivers are optimized to deliver explosive bass performance when used in small sealed enclosures. They provide you with deep, tight and musical bass for the true high-end car stereo enthusiast.

Ultra stiff mineral filled polymer cones withstand the extreme mechanical stresses generated in sealed enclosures. These are the stiffest, strongest cones you can buy
Killer bass from enclosures as small as .9 cubic foot
Steel / Polymer laminate basket damps basket resonance for clean, uncolored response
Four-layer 2" diameter voice coil and vented pole piece for superior power handling
Available in 8 and 4 Ohm versions


Cutout Diameter
11"
27.94cm
VAS
2.54 ft3
82.31L
SD
.563 ft2
.0523m2
Winding Width
1"
25.4mm
Xmax - Linear
.343"
8.7mm
Xmax - Mechanical
1"
25.4mm
Height of Air Gap
.315"
8mm
Magnet Assembly Weight
9lb 2oz
4.1kg
Magnet Weight
4lb 2oz
1.9kg
Vd - Volume of Driver
.062 ft3Nominal Impedance
4 Ohm
Frequency Response
20 - 200Hz
Sensitivity
86dB
Power Rating
800 watts
Actual Impedance - RE
3.7
Max. Power (RMS)
400 Watts
Max. Power (Peak)
800 Watts
Resonant Frequency - FS (HZ)
23.6Hz
QMS
4.523
QES
0.510
QTS
0.450
Cms
212
BL
15.00 TM
Mms
179 g


THE SPECS FOR MY KENWOOD KAC-728 AMP ARE:

Key Features Maximum Output Power: 600 Watts x 1
Power Ratings Bridged Power Output at 14.4V (1kHz, 0.8% THD): 300 Watts x 1
Maximum Output Power: 600 Watts x 1
Power Output at 2 Ohms, at 14.4V (1kHz, 0.8% THD): 150 Watts x 2
Power Output at 4 Ohms, at 14.4V (20Hz-20kHz, 0.08% THD): 100 Watts x 2
Power Supply Features 2-Ohm Stable
Black Anodized Top Cover: with Aluminum Heat Sink Plate
Copper-Shielded EE Core Transformer
Large Secondary Capacitors
Large Toroidal Noise Suppression Filter
Power Indicator
Power Input Terminals: Gold-Plated
Power MOSFET Switching Power Supply
Audio Features Ground Isolation Circuit
Quiet Turn-On
RCA Audio Inputs: Gold-Plated
Selectable Low-Pass Electronic Crossover
Speaker Connectors: Gold-Plated
Speaker Level Input Terminals
Speaker Relay Protection
Stereo, Mono, or Tri-Mode Operation
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Old 08-25-2002, 08:48 AM
  #2  
SiClone
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The subs are rated at 400 watts RMS and 800 peak, so a JBL BP1200 would be a better fit than the BP600. Also, depending on which ohm subs you have (hopefully the 4 ohm ones), you could look into a Rockford BD1000 which maexes power at 2 ohms. If you have 8 ohm subs, then you'll need something that maxes power at 4 ohms bridged, like a PPI PC2600, RF Punch 800, Phoenix Gold ZX600ti, etc....
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Old 08-30-2002, 08:05 PM
  #3  
arch iceman
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SiClone is right, it depends on the subs you have and thier ohm load.

What is your budget for a new amp?
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