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Crutchfield

Focal Performance Sub P 25 DB

10" subwoofer with dual 4-ohm voice coils

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  • Focal Performance Sub P 25 DB

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  • Focal Performance Sub P 25 DB

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  • Focal Performance Sub P 25 DB

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  • Focal Performance Sub P 25 DB

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Our take on the Focal Performance Sub P 25 DB

by Buck Pomerantz
Focal

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Focal's Performance Series subwoofers deliver pure bass power so your music always hits strong and true. This Performance 10" sub features a light, tough poly cone and a self-regulating cooling system, so it'll perform reliably. A butyl rubber surround adds to the sub's strength, durability, and accuracy.

Performance and versatility
With heavy ferrite magnets and 4-layer voice coils, it's no surprise this sub handles plenty of power — up to 250 watts RMS. The good sensitivity rating means your amp won't have to work so hard to drive this sub, so you'll get maximum wallop per watt. The dual 4-ohm voice coils allow you to wire the sub for either 2-ohm or 8-ohm impedance, and you'll appreciate that versatility as your system grows and changes. You can install this sub in a sealed box for tight, punchy bass, or in a ported enclosure for a little more boom.

See more info on this item

Highlights:

  • 10" subwoofer with dual 4-ohm voice coils
  • polypropylene cone with butyl rubber surround
  • power range: 50-250 watts RMS
  • peak power handling: 500 watts
  • frequency response: 42-500 Hz
  • sensitivity: 90.9 dB
  • top-mount depth: 5-7/16"
  • sealed box volume: 0.88-1.59 cubic feet
  • ported box volume: 1.24-2.82 cubic feet
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size
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10 -inch
Impedance
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4 ohms
Cone Material
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Polypropylene
Surround Material
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Butyl Rubber
Ideal Sealed Box Volume (cubic feet)
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N/A
Ideal Ported Box Volume (cubic feet)
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N/A
Port diameter (inches)
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3.125
Port length (inches)
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8.67
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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90.9 dB at 2.83 watts
Frequency Response
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42 - 500 Hz
RMS Power Range (Watts)
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50-250
Peak Power Handling (Watts)
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500
Top Mount Depth (inches)
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5 7/16
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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9 1/8
Vas (liters)
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40.72
Fs (Hz)
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27.46
Qts
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0.431
Xmax (millimeters)
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8.5
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • 10" Dual 4-ohm voice coil woofer
  • Removable rubber mounting ring (installed)
  • Eight 5/8" Self-tapping screws
  • User manual (English/ French)
  • Focal window sticker

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Materials: The FOCAL P 25 DB features a polypropylene cone and butyl rubber surround to withstand the harsh automotive environment.

Dual 4Ω Voice Coils: The dual 4Ω voice coils offer wiring flexibility; when wired in parallel the woofer presents a 2Ω load, when wired in series the woofer presents an 8Ω load.

Spring-Posts: The P 25 DB uses spring-post speaker terminals for easy connection of single banana plugs or bare wire up to 10 gauge.

Rubber Gasket: The gasket/mounting-ring ensures better chassis damping and prevents air leakage. The rubber gasket is removable.

Sealed Box Volume: FOCAL recommends a sealed enclosure with a volume between 25 liters (0.88 cubic feet) and 45 liters (1.59 cubic feet).

Ported Box Volume: FOCAL recommends a ported enclosure with a volume between 35 liters (1.24 cubic feet) and 80 liters (2.82 cubic feet) using a single port tube (size in the table below):

Vented Enclosure Specifications (using 3/4" MDF construction)

Internal Volume 1.24 ft³ 1.41 ft³ 1.59 ft³ 1.77 ft³ 2.12 ft³ 2.47 ft³ 2.82 ft³
Port 3-1/8" diameter x 8-2/3" long 3-1/8" diameter x 7-7/8" long 3-1/8" diameter x 7-7/8" long 3-1/8" diameter x 6-11/16" long 3-1/8" diameter x 6-11/16" long 3-1/8" diameter x 5-7/8" long 3-1/8" diameter x 5-7/8" long
 
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Focal Performance Sub P 25 DB Reviews

Average Customer Review:

3 people say:

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Filter by rating:
5 out of 5

awesome 10"s !!

Written By djru, morristown tennessee on Sunday, April 13, 2014
Crutchfield Customer Review (What's this?)
 
Best over all subwoofers I have purchased. Clean and natural sounding. Been a jl audio fan for last 15 years and now that I have focal. I will use nothing else.
Pros:
Mirror magnet cover makes great visual in a custom enclosure. Very solid subwoofer. Protected tinsel leads. Solid spring loaded wire terminals. Great modest look to the face of the cone. Focal logo nicely centered on bottom of cone area.
Cons:
Honestly can not find a con on this sub.
2 out of 2 people found this helpful
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
3 out of 5

not very loud

Written By rgn, winston-salem, nc on Monday, April 29, 2013
Crutchfield Customer Review (What's this?)
 
I was disappointed in the overall output/performance of the sub. Sound quality is good, but not very loud. If you are looking for a sub that sounds good at moderate volume levels then this is a good sub.
Pros:
great looking sub, good sound quality
Cons:
unhappy with overall output/performance of subs. I exchanged these for 10w3v3 's and the difference in output is noticeably better with the JLs.
1 out of 3 people found this helpful
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
5 out of 5

I have found my subwoofer!!

Written By Ultraworld, Florida on Wednesday, August 17, 2011
Crutchfield Customer Review (What's this?)
 
I installed a system about 4 years ago in my '05 GTO. I used the single din Alpine of the day. I first heard Focal speakers & I was floored. I used a 2 way 6.5" system up front & a set of their coaxes for rear fill. They are not cheap. I chose a JL 500/5 with a JL 10W3v. I was never happy with the sub, always tweaking the crossovers. The bass was weak and flabby, I was considering a 2nd one. Then my luck changed. The 10W3 fried! came apart at the seams. A clean signal & power, there's no excuse. I finally found Focal subs and ordered a 10" right up. The difference is night & day! It rattles my ribcage, I would need 3 of those JL's to get near the response & clarity on this Focal. It does a lot with less power so your amp works less. I will get another for my other car. Try one.
39 out of 42 people found this helpful
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1 question already asked

Can a dual voice coil 4 ohm, like this speaker is, be wired to 2 ohm wiring? [ Mike  Jan 09, 2014 ]
1 answer
  • yes, you have to wire them in parallelled, not in series. overall resistance will drop to two ohms, just make sure you do not over power the speaker. 500 watts maximum at 2 ohms. [ LINDA   Jan 09, 2014 ]

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For a more in-depth review and enhanced detailed information on the Focal Performance Sub P 25 DB, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_091P25DB/Focal-Performance-Sub-P-25-DB.html ).