685 S1 vs Wharfedale Diamond 225
The Diamond 225's sensitivity is 87 dB against the 685 S1's 88 dB. Both share impedance (8Ω), woofer (6.5"), and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersBookshelf SpeakersDiscontinued
Estimated price (community-sourced)
$393.79
Around — community and catalog average, updates slowly
About the 685 S1
The Bowers & Wilkins 685 S1 is a compact 2-way vented-box bookshelf loudspeaker using a 25mm aluminium dome tweeter with Nautilus tube loading and a 165mm woven Kevlar cone bass/midrange driver, coupled to a rear Flowport bass-reflex port. It offers a frequency response of 42Hz to 50kHz (-6dB), with a nominal sensitivity of 88dB (2.83V/1m) and 8 ohms nominal impedance, and uses a single 4kHz crossover. The cabinet is constructed from 15mm MDF with internal bracing and measures approximately 340 x 198 x 331mm (H x W x D) with a net weight of 7.0kg per speaker. Recommended amplifier power is 25 to 100W into 8 ohms, and it was offered in Black Ash, Light Oak, and Red Cherry finishes.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 88 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 42 Hz - 50 kHz
- Power Handling
- 100W
- Min. Amplifier Power
- 25W
- Max. Amplifier Power
- 100W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 6.5"
- Driver Count
- 2
- Enclosure Type
- ported
- Crossover Frequency
- 4.0 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 198 × 340 × 331 mm (W × H × D)
- Weight
- 7 kg (15 lbs)
- Available Colors
- black ash, light oak, red cherry, wenge
Key Specifications
Sensitivity: 88 dB
Impedance: 8Ω
Frequency: 42-50000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions