Reference 621C vs Arcam R35C
The R35C's sensitivity is 86 dB against the Reference 621C's 91 dB. Both share impedance (6Ω), high-frequency extension (40 kHz), and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersCenter Channel Speakers
Estimated price (community-sourced)
$1,600
Around — community and catalog average, updates slowly
About the Reference 621C
The RBH Sound Reference 621-C is a high-performance freestanding center speaker in RBH’s Signature Reference series. It is designed as the center-channel companion for 6.5-inch Signature models and uses a two-way D’Appolito layout with dual reference aluminum woofers and an AMT tweeter for detailed dialogue, wide dynamic range, and near full-range center-channel output. RBH lists the Reference 621-C as a freestanding center speaker with a magnetic grille and black or white satin finish, and it is sold as a single speaker.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 6Ω
- Frequency Response
- 50 Hz - 40 kHz
- Power Handling
- 250W
- Min. Amplifier Power
- 75W
- Max. Amplifier Power
- 250W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- aluminum cone
- Driver Size
- 6.5"
- Driver Count
- 2
- Crossover Frequency
- 2.7 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 569 × 197 × 305 mm (W × H × D)
- Weight
- 14.06 kg (31 lbs)
- Available Colors
- black satin, white satin
Key Specifications
Sensitivity: 91 dB
Impedance: 6Ω
Frequency: 50-40000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions