Reference 8b vs Perlisten Audio D212s
The D212s's sensitivity is 92 dB against the Reference 8b's 90 dB, its impedance 4Ω against 8Ω, its low-frequency extension 15 Hz against 18 Hz, and its high-frequency extension 231 Hz against 180 Hz.
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Estimated price (community-sourced)
$9,000
Around — community and catalog average, updates slowly
About the Reference 8b
The KEF Reference 8b subwoofer features a force-cancelled closed-box design with two 225mm (9-inch) long-throw, ultra-low distortion drivers mounted back-to-back in a heavily braced, acoustically inert cabinet. It employs dual 500W Class D amplifiers (1000W total) with switched-mode power supply and DSP-based control for powerful, accurate bass reproduction with effortless body and weight. Ideal for high-fidelity systems, it delivers exceptional precision and control with zero distortion, supporting both music and home theater applications. Note: This model is no longer in production but may be available from remaining stock.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 90 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 18 Hz - 180 Hz
- Power Handling
- 1.0kW
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 1.0kW @ 8Ω
- Amplifier Class
- D
Speaker Design
Driver configuration and enclosure design
- Driver Type
- dynamic
- Driver Size
- 9"
- Driver Count
- 2
- Enclosure Type
- sealed
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 365 × 398 × 429 mm (W × H × D)
- Weight
- 35 kg (77 lbs)
Key Specifications
Sensitivity: 90 dB
Impedance: 8Ω
Power: 1000W
Frequency: 18-180 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions