R107 vs 107
The 107 matches the R107 on sensitivity (90 dB), impedance (4Ω), low-frequency extension (20 Hz), and high-frequency extension (20 kHz).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding SpeakersDiscontinued
Estimated price (community-sourced)
$1,800
Around — community and catalog average, updates slowly
About the R107
The R107 is a flagship model in KEF's Reference Series, featuring a swiveling head assembly with a T33 ferrofluid-cooled tweeter and a polypropylene-cone midrange driver. It includes two 10-inch pulp-cone woofers in a coupled-cavity bass loading system. The KUBE equalizer allows for adjustable bass extension and contouring.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 90 dB SPL @ 1W/1m
- Impedance
- 4Ω
- Frequency Response
- 20 Hz - 20 kHz
Speaker Design
Driver configuration and enclosure design
- Configuration
- 3-way
- Driver Size
- 10"
- Driver Count
- 4
- Enclosure Type
- isobaric
- Crossover Frequency
- 2.5 kHz
Key Specifications
Sensitivity: 90 dB
Impedance: 4Ω
Frequency: 20-20000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions