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SB Acoustics Woofer Information

SB Acoustics logo

Decoding woofer model numbers:

SB Acoustics woofers have a unique driver code system, we have put together this table as a quick reference guide.

Cone / chassis types:

CACS Ceramic cone, vented cast alloy chassis, shallow profile design.
NRX Norex cone, high airflow cast alloy chassis.
NRXL Norex cone, high airflow cast alloy chassis, large motor system.
NRXS Norex cone, high airflow cast alloy chassis, shallow profile design.
PFCR Paper / pulp cone, vented reinforced polymer plastic chassis.
NBAC Aluminium cone (black), high airflow cast alloy chassis.

Using the above chart we can find the details for the following example: SB23NRXS45-8 = SB 23 (chassis size, cm) NRX (cone / chassis type) 45 (voice coil diameter, mm) 8 (ohms impedance).

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Willys-Hifi Ltd - the specialist UK loudspeaker parts company

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