RBH Signature Reference 661-SF/R – Stand Mount Bookshelf Speaker

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RBH Sound SF Series 661-SF/R Stand Mount Bookshelf Speaker

Like the reference version of its sibling, the 661-SF, the 661-SF/R can be used for high-fidelity 2-channel stereo systems and home theater systems alike. As a stereo pair, the 661-SF/R is sure to please listeners with a musical experience as the recording artist originally intended. For home theater, the 661-SF/R’s dual 6½‑inch reference aluminum cone woofers and AMT tweeter deliver crystal-clear dialog and vibrant sound effects with superb clarity and acoustic performance. These reference drivers provide extended frequency response, greater power handling and improved dynamic range. The 661-SF/R is versatile enough that it can be used for nearly any main or effect channel in a multi-channel surround sound system.

  • Hand Assembled and Tested in the USA
  • 10 Year Warranty
  • Magnetic Grille
  • Dual Rear Ports
  • 3/4" HDF (High Density Fiberboard) Construction

Highlights & Key Technologies

MTM Configuration
This popular MTM (mid-tweeter-mid) configuration sets the standard for home theater sound and combines the power of multiple drivers for greater dynamic response and directivity. Very simply, the 661-SF/R is a 661-SF but with an upgraded AMT tweeter in place of the soft dome tweeter and an upgraded

Timbre Matched
Provides timbre matched sound for multi-channel home theater applications across all freestanding, bookshelf, on-wall and in-wall products in the SF, SV or SI-Series.

Details & Specifications

SYSTEM TYPE: Vented / LCR 2-way Speaker
DRIVE UNITS: (1) 1.38" X 1" (35mm x 25mm) AMT tweeter
FREQUENCY RESPONSE: 50-40k Hz (+/- 3 dB)
SENSITIVITY: 91 dB (2.83V @ 1 Meter)
RECOMMENDED POWER: 75-250 Watts
IMPEDANCE: 6 Ohms
CROSSOVER FREQUENCY: 2700 Hz
CROSSOVER SLOPE: 24 dB/Octave
CABINET DETAILS: High Density Fiberboard (HDF), Black or White Satin Paint
GRILLE DETAILS: Magnetic Grille w/ white or black fabric
FINISHED DIMENSIONS: 7-3/4" x 22-3/8" x 12-3/8" (197 x 569 x 315mm)
WEIGHT: 30.65 lbs (13.9 kg)
WARRANTY: *10 year limited

Show Model Number Variants M 80, M 80 B MDC, M 80 B-MDC, M 80 BMDC, M 80 S MDC, M 80 S MMM, M 80 S MMP, M 80 S-MDC, M 80 S-MMM, M 80 S-MMP, M 80 SMDC, M 80 SMMM, M 80 SMMP, M 80-B MDC, M 80-B-MDC, M 80-BMDC, M 80-S MDC, M 80-S MMM, M 80-S MMP, M 80-S-MDC, M 80-S-MMM, M 80-S-MMP, M 80-SMDC, M 80-SMMM, M 80-SMMP, M 80B MDC, M 80B-MDC, M 80BMDC, M 80S MDC, M 80S MMM, M 80S MMP, M 80S-MDC, M 80S-MMM, M 80S-MMP, M 80SMDC, M 80SMMM, M 80SMMP, M-80 B MDC, M-80 B-MDC, M-80 BMDC, M-80 S MDC, M-80 S MMM, M-80 S MMP, M-80 S-MDC, M-80 S-MMM, M-80 S-MMP, M-80 SMDC, M-80 SMMM, M-80 SMMP, M-80-B MDC, M-80-B-MDC, M-80-BMDC, M-80-S MDC, M-80-S MMM, M-80-S MMP, M-80-S-MDC, M-80-S-MMM, M-80-S-MMP, M-80-SMDC, M-80-SMMM, M-80-SMMP, M-80B MDC, M-80B-MDC, M-80BMDC, M-80S MDC, M-80S MMM, M-80S MMP, M-80S-MDC, M-80S-MMM, M-80S-MMP, M-80SMDC, M-80SMMM, M-80SMMP, M80, M80 B MDC, M80 B-MDC, M80 BMDC, M80 S MDC, M80 S MMM, M80 S MMP, M80 S-MDC, M80 S-MMM, M80 S-MMP, M80 SMDC, M80 SMMM, M80 SMMP, M80-B MDC, M80-BMDC, M80-S MDC, M80-S MMM, M80-S MMP, M80-SMDC, M80-SMMM, M80-SMMP, M80B MDC, M80B-MDC, M80BMDC, M80S MDC, M80S MMM, M80S MMP, M80S-MDC, M80S-MMM, M80S-MMP, M80SMDC, M80SMMM, M80SMMP