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How do you choose the amp according to the sub specs. I am buying an amp for my Lambda 10", and you can buy a trillion watts, or too little wattage...Now, for SQ and the sub to operate at its best,,,how many watts should the amp push?
SPECS:
Fs 22.8 Hz
Qms 3.88
Qes 0.30
Qts 0.28
Vas 67 Liters
Part# PB10 Cms 0.4 mm/N
Size 10" Mms 122 grams
Motor PL (overhung) Sd 345 cm2
Magnet 120oz (3.4Kg) Ceramic 5 Rms 4.5 Kg/S
VC diameter 51mm Bl 19.5 T/m
VC Former Black Anodized Aluminum Re 6.5 ohms
VC Wire 4 Layer Copper Flatwire Z 8 ohms
Basket Cast Aluminum 12 Spoke Le 0.3 mH
Cone Mineral Filled Hard Poly
Pe (nom) 300 Watts
Cone Profile Straight Pe (max) 500 Watts
Surround Doped Foam, 2 layer treatment
Pe (transient) 1000 Watts
Dustcap Hard Poly
"no" 0.26 %
Spider Medium stiffness Nomex 1WSpl 86.3 dB
Faraday Copper Air Gap 14 mm
Pole Vent Yes
VC Length 38 mm
Terminals Gold Plated Binding Posts Linear Xmax 14 mm (peak)
Weight 20lbs Mech Xmax 20 mm (peak)
He's chaaarging!!!...(add scottish accent)...
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Assuming you're using the 4ohm SVC version of the PB10, I'd go with an amp that will produce 300w into a 4ohm load.
If you don't plan on adding another sub, you could get a 2ch amp (rated around 75x2 @4ohms stereo) and run it in bridged mono for around 300x1 @4ohms mono.
Or, you could get a mono sub amp. They're usually stable into 2ohm or lower loads. If you got something like a JBL BP600.1, it would produce 300x1 @4ohms. If you added another 4ohm SVC sub in parallel, it would produce 600x1 @2ohms (each sub would get about 300w).
1999 SVT #900/2760
Born on 1-20-99
Silver Frost/Midnight Blue
A few aesthetic and audio mods
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I agree. If you're wiling to over power it.. sure. Just make sure you turn downt the gain and stuff. You'll get cleaner sound 
Give me more beer and CEG before i get depressed!
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I am driving the sub now with 160 watts....what would I be missing in performance? I dont go loud,,,just want the accuracy...but when I boosted the power to my components speakers, they did sound better and more detail came thru...although it is a Mcintosh,,,so i am not sure how much is the added power, and how much is the amps quality..
He's chaaarging!!!...(add scottish accent)...
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Originally posted by whiteSE:
so i am not sure how much is the added power, and how much is the amps quality.. I'd say it's some of both. I think you'd get some added performance with a really good (and powerful) mono subwoofer amp. You'll get better cone control which should improve accuracy.
1999 SVT #900/2760
Born on 1-20-99
Silver Frost/Midnight Blue
A few aesthetic and audio mods
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You want to at least hit the RMS rating of any sub if not push over it some. Too much amp power and your subs will suffer two ways. Either you will kick the cones and the VC's straight out of the basket, or, you will be turning the amp so far down that you will not have clean sound. The amp needs to work so that it can be as efficient as possible.
Underpowering can cause the same problems because now the amp will try to overcompensate for lack of power thus damaging the driver.
Make sure as well that you follow some good crossover points for your subs and get a good box.
A cap probably wouldn't hurt either. It helps with stable power. You have the battery charge the cap, amp gets constant 14.4 volts and is happy, car is happy cause it doesn't have to work so hard to keep up with the amp...and the A/C....and the highbeams...and the foglamps...and the underbody neon kit.....you get the picture.
Hope this helps
Rich
'96 Mystique, Zetec, MTX.
---Mods---
Removed both intake resonators and airbox. Installed APC air filter and APC crankcase ventilation filter. Removed exhaust resonator.
Installed XM Satellite Radio. Replaced bad alternator and 175a fusible link...much fun!
Intake plenum---GONE!!!!
My car growls louder than yours.
If I can't buy it, I'll build it...Trust Me!!!!
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Originally posted by sosaudio:
Underpowering can cause the same problems because now the amp will try to overcompensate for lack of power thus damaging the driver.
This is a common misconception...You know, too little power damaging a speaker. What usually happens is the listener will try to overcompensate for lack of power by turning the gain on the amp all the way up and damage the driver. Too little power doesn't kill speakers...gain happy people kill speakers.
2000 SVT Black #1400 of 2150
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Originally posted by Brian M: Originally posted by sosaudio:
[b]Underpowering can cause the same problems because now the amp will try to overcompensate for lack of power thus damaging the driver.
Excellent point. No speaker has ever been killed from being underpowered.
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The PB seems to be just about right at 300W. Less power obvioulsly means clipping earlier, but with the PB 160W seems to go a long way.
1996 Contour "Mean Green" (99-02)
2002 Malibu Blue Focus ZX5 - something to hold the PB 15...
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