Dolby CS136MH – Dual-Entrant Horn Mid/High Screen Speaker

What is the Dolby CS136MH?

The Dolby CS136MH is a horn-loaded mid/high screen channel speaker and the primary component of the Dolby Systems 133 and 136. A proprietary asymmetrical dual-entrant horn delivers consistent audio coverage and uniform volume shading for every seat. Custom compression-driver technology gives it greater intelligibility and stronger mid and mid-high performance for premium large-format cinemas.

How does the Dolby CS136MH work?

A custom ring radiator mid-frequency compression driver with a 2-inch exit and 3.5-inch voice coil covers the full primary vocal range of 400 Hz to 4 kHz, improving intelligibility, sensitivity and power handling. A 1.4-inch exit titanium-diaphragm high-frequency compression driver handles the top end and shows a significant reduction in total harmonic distortion in the 5 kHz to 10 kHz articulation range.

The dual-entrant horn places the two drivers close together for pattern control around the crossover, with coverage of 55° top and 100° bottom horizontally and 50° vertical. In passive mode the CS136MH is rated at 500 W @ 63.2 Vrms into 8 ohms with 104 dB sensitivity and 131 dB continuous SPL. In bi-amp mode MF and HF take separate channels for 133 dB continuous output.

The advanced input plate's flip-card PCB selects passive or bi-amp wiring, and spring-loaded terminals allow tool-free connection. Laser aiming sights work with tilt and pan mechanisms, and the BKT.136 tie-plate kit is included for joining CS136LF cabinets. Typical partners are the Dolby CP950A and a Dolby Multichannel Amplifier such as the DMA32301.

What are the key features of the Dolby CS136MH?

• Dual-entrant asymmetrical horn — close driver proximity improves pattern control and gives even coverage.
• Ring radiator MF compression driver — covers 400 Hz to 4 kHz for clearer dialog and higher power handling.
• Low-THD HF driver — strong performance in the 5 kHz to 10 kHz articulation range.
• Flip-card input plate — select passive or bi-amp configuration without tools.
• Laser aiming sights — aim the horn quickly with a common laser pointer and tilt/pan mechanisms.
• Preassembled horn — simpler setup and reduced freight costs.

Where is the Dolby CS136MH typically used?

• Premium large-format cinema auditorium
• Cinema auditorium (medium to large)
• Auditorium
• House of worship

Technical Specifications

Frequently Asked Questions

Which systems use the CS136MH?

The CS136MH is the mid/high component of the Dolby System 133 (with one CS136LF) and the System 136 (with two CS136LF cabinets).

Is it compatible with Dolby Atmos processors?

Yes. It is part of Dolby's immersive screen speaker line and runs from processors such as the CP950A or CP950 through external amplification.

Should it be run passive or bi-amped?

Both are supported through the flip-card input plate. Bi-amp mode raises continuous output from 131 dB to 133 dB at one metre.

What do the BKT.136 tie plates do?

The included BKT.136 plates join stacked CS136LF cabinets to prevent movement from high sound levels and vibration, and must be installed before use. The BKT.FLR floor-bracket kit is sold separately.

What warranty and support are available?

The CS136MH carries Dolby's manufacturer warranty, confirmed with your quote. Creation Networks designs, installs and tunes Dolby screen channels; see the Dolby Professional collection and request a quote.