About the Focal Performance Sub P 20F

The flax connection
The flax connection
If you've heard Focal speakers, then you know that their reputation for quality is well-deserved. Focal's designers never hesitate to think outside the box when it comes to speaker innovation. To create their Performance Series speakers and subs, for example, they spent five years developing a super-lightweight, extra-rigid cone material made from a layer of flax fibers sandwiched between two layers of glass fibers. You get the warmth of natural fiber combined with the supreme accuracy of a more rigid cone material.

You won't believe it's an 8" sub.
An 8" sub that thinks it's a giant
Focal's Performance Sub P 20F 8" sub delivers performance way beyond its size, using its 1-1/2" voice coil and double magnets to handle up to 250 watts RMS. It works equally well in compact sealed or ported enclosures, so it's a great candidate for great bass in a smaller vehicle. If you're putting together a system, make sure to take a look at the Focal component speaker systems that feature the same "Flax Sandwich" cones.
Product highlights:
- 8" 4-ohm component subwoofer
- glass fiber/flax/glass fiber laminate cone
- rubber surround
- handles up to 250 watts RMS (500 watts peak)
- frequency response: 39-500 Hz
- sensitivity: 82.5 dB
- sealed box volume: 0.35-0.53 cubic feet
- ported box volume: 0.35-0.71 cubic feet
- top-mount depth: 4-5/8"
- grille not included
- warranty: 1 year
- MFR # SUB P 20F
What's in the box:
Focal Performance Sub P 20F owner's manual
- One 8" Single voice coil subwoofer
- Rubber trim ring/gasket (installed)
- Six 3/4" Self tapping screws
- User manual (English/ French)
- FOCAL decal
- Specifications printed on the box
Reviews (2)
Customer reviews for Focal Performance Sub P 20F
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More details on the Focal Performance Sub P 20F

Features & specs
Features and Specs | ||
---|---|---|
Size | 8 -inch | |
Impedance (Ohms) | 4 | |
Cone Material | Flax/Glass | |
Surround Material | Rubber | |
Port diameter (inches) | 2.75 | |
Port length (inches) | 13.781 | |
Free-Air | No | |
Dual Voice Coil | No | |
Sensitivity |
82.5 dB at 2.83 volts | |
Frequency Response | 39 - 500 Hz | |
Max RMS Power Handling | 250 | |
Peak Power Handling (Watts) | 500 | |
Top Mount Depth (inches) | 4 5/8 | |
Bottom Mount Depth (inches) | N/A | |
Cutout Diameter or Length (inches) | 7 1/8 | |
Vas (liters) | 12 | |
Fs (Hz) | 38.5 | |
Qts | 0.56 | |
Xmax (millimeters) | 10 | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Box Requirements | ||
Ideal Sealed Box Volume (cubic feet) | N/A | |
Minimum Sealed Box Volume (cubic feet) | 0.35 | |
Maximum Sealed Box Volume (cubic feet) | 0.53 | |
Ideal Ported Box Volume (cubic feet) | N/A | |
Minimum Ported Box Volume (cubic feet) | 0.35 | |
Maximum Ported Box Volume (cubic feet) | 0.71 |
Product Research
Features
Cone: The woofer cone is a sandwich design, with a 0.6mm flax center between two 0.2mm glass layers. This combination of materials results in a neutral sound without coloration.
Surround: The rubber surround is resistant to ultraviolet rays, temperature extremes, and humidity to add to the speaker's reliability and longevity.
Spring-Posts: The spring-post speaker terminals offer 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 10 liters (0.35 ft³) and 15 liters (0.53 ft³).
Ported Box Volume: Focal recommends a ported enclosure with a volume between 10 liters (0.35 ft³) and 20 liters (0.71 ft³) using a single port tube (size in the table below):
Vented Enclosure Specifications (using 3/4" MDF construction) | |||
---|---|---|---|
Internal Volume | 0.35 ft³ | 0.53 ft³ | 0.71 ft³ |
Port | 2-3/4" diameter x 11-13/16" long | 2-3/4" diameter x 13-25/32" long | 2-3/4" diameter x 13-25/32" long |
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