Signature 6500 vs Audio Physic Caldera
The Caldera matches the Signature 6500 on sensitivity (90 dB), impedance (4Ω), high-frequency extension (40 kHz), and woofer (6.5").
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding Speakers
Estimated price (community-sourced)
$4,200
Around — community and catalog average, updates slowly
About the Signature 6500
The RBH Sound Signature 6500 is a freestanding tower loudspeaker in RBH’s Signature/Reference family, designed for high-fidelity music and home theater use. It uses three 6.5-inch aluminum-cone woofers, two 6.5-inch aluminum-cone midrange drivers, and an AMT tweeter to deliver wide dynamic range and detailed, accurate sound. It is sold as a pair and supports bi-wiring or bi-amplification through dual 5-way binding posts.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 90 dB SPL @ 1W/1m
- Impedance
- 4Ω
- Frequency Response
- 32 Hz - 40 kHz
- Power Handling
- 350W
- Min. Amplifier Power
- 100W
- Max. Amplifier Power
- 350W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 3-way
- Driver Type
- AMT tweeter and aluminum cone woofers
- Driver Size
- 6.5"
- Driver Count
- 3
- Crossover Frequency
- 2.7 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 286 × 1240 × 378 mm (W × H × D)
- Weight
- 32.79 kg (72 lbs)
- Available Colors
- Satin black, Satin white
Key Specifications
Sensitivity: 90 dB
Impedance: 4Ω
Frequency: 32-40000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions