C1 vs Marten Parker Duo
The Parker Duo's sensitivity is 88 dB against the C1's 87 dB and its low-frequency extension 36 Hz against 45 Hz. Both share impedance (6Ω) and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersBookshelf Speakers
Estimated price (community-sourced)
$17,500
Around — community and catalog average, updates slowly
About the C1
The Børresen Acoustics C1 is a premium Danish two-way stand-mounted loudspeaker from the C-Series. It combines Børresen’s RP94 ribbon-planar tweeter with a 5-inch DCC5 Neo bass/midrange driver. The C1 is sold with dedicated stands incorporating Ansuz Darkz S2t resonance-control devices. Published specifications include a 45 Hz–50 kHz frequency response, 87 dB sensitivity, and impedance above 6 ohms. Typical listed pricing is approximately €15,000–$17,500 per pair, depending on market and retailer.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 87 dB SPL @ 1W/1m
- Impedance
- 6Ω
- Frequency Response
- 45 Hz - 50 kHz
- Min. Amplifier Power
- 50W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- Ribbon Planar and Neo driver
- Driver Size
- 5"
- Driver Count
- 2
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 204 × 469 × 430 mm (W × H × D)
- Weight
- 18 kg (40 lbs)
- Available Colors
- black, white
Key Specifications
Sensitivity: 87 dB
Impedance: 6Ω
Frequency: 45-50000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions