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KEF REFERENCE 8B TWIN 9" ACTIVE SUBWOOFERTwin 9 inches driver 'force cancelling' subwoofer Delivering exceptional bass precision and control with zero distortion, Reference 8b is a truly extraordinary subwoofer. For power with accuracy the Reference 8b sub has two 500W Class D amplifiers, each driving a 228mm (9 inch) long throw, ultra low distortion driver. These are connected back to back in a heavily braced, acoustically inert cabinet. The result is low distortion bass with effortless
Delivering exceptional bass precision and control with zero distortion, Reference 8b is a truly extraordinary subwoofer.
For power with accuracy the Reference 8b sub has two 500W Class D amplifiers, each driving a 228mm (9 inch) long-throw, ultra-low distortion driver. These are connected back-to-back in a heavily braced, acoustically inert cabinet. The result is low distortion bass with effortless body and weight.
WEIGHT34kg (75lbs.)
DIMENSIONH x W x D : 398 x 365 x 429 mm (15.7 x 14.4 x 16.8 in.)
Unit measurementPair FinishesDeep Piano Black
INPUTSRCA phono sockets FREQUENCY RANGEFree Field: 18Hz (-6dB)
FREQUENCY RESPONSE24Hz at 90dB output in free-space mode (±3dB)
Net internal volume23L
MAXIMUM OUTPUT110dB (peak sound pressure level at 1m 50Hz)
AMPLIFIER type2 x 500 W Class D with switched mode power supply and DSP based control section
DRIVE UNITSLF 2 x 225 mm (9in.)
Power requirements100V - 120V / 220V - 240V ~50/60Hz
Power consumption1000W
Link outRCA phono socket
Variable low pass filterVariable frequency: 40Hz to 160Hz |
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