B & C 400 Watt 8 Inch Woofer (8PS21)

The B&C Speakers 8PS21 8 woofer’s long linear excursion provides exceptional LF performance when installed in compact bass-reflex enclosures.

Key Features:

• Excellent bass performance for a woofer of this size
• Copper ring in the magnetic circuit reduces distortion/extends HF response
• High power handling

B&C 8PS21 8 Woofer

B&C’s 8PS21 8 woofer features a 2 copper voice coil on a Kapton former. die cast frame. ceramic ferrite magnet. and a 200 watts RMS power handling rating. A copper ring in the 8PS21’s magnetic circuit reduces distortion and extends high frequency response up to 3 kHz. The 8PS21 is an ideal compact pro woofer choice when used singly or in multiples.

Product Details

BrandB&C SpeakersModel8PS21Part Number294-654UPC844632002045Unit of MeasureEachWeight8.4

Product Specifications

Nominal Diameter8Bolt Circle Diameter8.3Moving Mass Of Diaphragm (Mmd)23Power Handling (RMS)200 WattsPower Handling (MAX)400 WattsImpedance8??Frequency Response70 to 3.000HzSensitivity94dB 2.83V/1mVoice Coil Diameter2

Thiele-Small Parameters

Resonant Frequency (Fs)73HzDC Resistance (Re)5.4??Voice Coil Inductance (Le)0.5mHMechanical Q (Qms)4.2Electromagnetic Q (Qes)0.36Total Q (Qts)0.33Compliance Equivalent Volume (Vas)0.5ft3BL Product (BL)12.6T??mMaximum Linear Excursion (Xmax)5mmSurface Area of Cone (Sd)220cm2

Materials of Construction

Cone MaterialPaperSurround MaterialClothVoice Coil Wire MaterialCopperVoice Coil FormerKapton / PolyimideBasket / Frame MaterialCast AluminumMagnet MaterialFerrite

Mounting Information

Overall Outside Diameter8.8Baffle Cutout Diameter7.4Depth3.6# Mounting Holes8

Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)

Sealed Volume0.08ft3Sealed F3189HzVented Volume0.2ft3Vented F3115Hz

The B&C Speakers 8PS21 8 woofer’s long linear excursion provides exceptional LF performance when installed in compact bass-reflex enclosures.