Specifications

Model:

SI-663

SI-663/R

 

 

 

System Type:

In-wall/LCR Dual 2-way Speaker

In-wall/LCR Dual 2-way Speaker

 

 

 

Frequency Response:

50Hz-20kHz ±3dB

50Hz-20kHz ±3dB

 

 

 

Sensitivity:

90dB Main, 88dB Center and

90dB Main, 88dB Center and

 

92dB Combined (2.83V @ 1 Meter)

92dB Combined (2.83V @ 1 Meter)

 

 

 

Recommended Power:

75-200 Watts Main, 75-150 Watts

75-225 Watts Main, 75-175 Watts Center

 

Center and 75-400 Watts Combined

and 75-450 Watts Combined

 

 

 

Woofers:

Three 6½” (165mm) Aluminum Cone

Three 6½” (165mm) Reference Aluminum Cone

 

 

 

Tweeters:

Two 1” (25mm) Silk Dome

Two 1” (25mm) Reference Silk Dome

 

 

 

Crossover Frequencies:

3,000Hz

3,000Hz

 

 

 

Crossover Slope:

12dB/Octave

12dB/Octave

 

 

 

Impedance:

6 Ohms Main, 6 Ohms Center and

6 Ohms Main, 6 Ohms Center and

 

4 Ohms Combined

4 Ohms Combined

 

 

 

Cabinet Material:

Medium Density Fiberboard (MDF)

Medium Density Fiberboard (MDF)

 

 

 

Cabinet Finish:

Black

Black

 

 

 

Baffle and Grille:

Baffle Black; Grille Black or White.

Baffle Black; Grille Black or White.

 

Enclosure sold separately.

Enclosure sold separately.

 

 

 

Baffle Dimensions:

Baffle: 8” W x 32” H

Baffle: 8” W x 32” H

 

(203mm W x 812mm H)

(203mm W x 812mm H)

 

 

 

Finished Dimensions:

14” W x 56” H x 3-1/2” D

14” W x 56” H x 3-1/2” D

 

(356mm W x 1422mm H x 89mm D)

(356mm W x 1422mm H x 89mm D)

Weight:

59 lbs. (26.76 Kg)

61 lbs. (27.67 Kg)

 

 

 

Troubleshooting

Situation:

Probable Cause:

Solution:

No sound from

Speaker wire not

Make sure wire is connected at

speakers

connected

both the speaker and the ampli-

 

 

fier observing proper polarity

 

 

 

No sound from

Speaker selector on

Activate proper selector on

one speaker

amplifier is not on

amplifier

 

Balance control on receiver

Place balance control in the

 

or pre-amp is not centered

center

 

Speaker wire not

Check all connections at amplifier

 

securely connected

and speakers

 

 

 

Very little bass

Speakers are wired

Check entire system for proper

and/or imaging

out of phase

polarity and make adjustments as

 

 

necessary

 

 

 

6

Page 7
Image 7
RBH Sound SI-663 owner manual Specifications, Troubleshooting

SI-663 specifications

RBH Sound SI-663 is an impressive loudspeaker that exemplifies the company's commitment to delivering high-quality audio performance. This compact yet powerful speaker is tailored for audiophiles who seek an immersive listening experience in a variety of environments. Its sleek design and advanced technologies make it an ideal choice for home theaters, music studios, and serious music enthusiasts.

One of the standout features of the SI-663 is its well-engineered driver configuration. The speaker incorporates a high-performance 6.5-inch woofer and a 1-inch tweeter. The woofer is designed to produce tight, punchy bass while ensuring clarity in low-frequency sounds. The tweeter, on the other hand, focuses on delivering crisp, clear high frequencies, allowing for a well-balanced soundstage. The combination of these drivers results in a dynamic audio experience that is both full-bodied and detailed.

RBH Sound has also integrated advanced technologies to enhance the performance of the SI-663. One notable feature is the use of a sophisticated crossover network. This network is meticulously designed to ensure that the correct frequencies are sent to each driver, optimizing their performance and minimizing distortion. The result is a seamless transition between the woofer and tweeter, delivering an accurate representation of the audio mix.

The SI-663 boasts an impressive frequency response, ranging from 55 Hz to 20 kHz. This broad range allows listeners to experience music and soundtracks with an unparalleled level of detail and depth. Additionally, the speaker's sensitivity rating is noteworthy, making it efficient and capable of delivering high sound levels with minimal power input.

Construction quality is another hallmark of the SI-663. The speaker is housed in a robust cabinet that not only minimizes resonance but also enhances the overall aesthetic appeal. The sleek finish and modern design make it a visually pleasing addition to any room.

In terms of versatility, the SI-663 can be deployed in various configurations. It can function as part of a larger surround sound system or serve as standalone units for stereo sound. With its powerful performance and stunning design, the RBH Sound SI-663 is a remarkable choice for anyone looking to elevate their audio experience. Overall, it exemplifies RBH Sound's dedication to providing high-quality, reliable audio solutions that cater to the discerning listener.