Figure 3: Dolby asymmetrical horn coverage
2.3 CS128LF key features and benefits
Dolby Speaker System 128 utilizes a single CS128LF to produce low frequencies.
Figure 4: CS128LF rear (left) and front (right)
• Each unit contains two 15-inch woofers that can be driven in parallel or driven individually to maximize
available amplifier power.
• Each 15-inch driver is contained in an independent chamber within the cabinet that provides improved
performance and reliability.
• On the CS128LF, a unique flip-card allows you to change the electrical routing for parallel wiring of the
drivers powered from a single amplifier channel, or individual wiring to the amplifier channel on each
driver. With the CS128LF flip-card, you can easily select either bi-amplifier mode or single-amplifier mode
without the need of any additional tools.
Introduction to Dolby Speaker System 128
Dolby Speaker System 128 Owner's Manual
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8800293 Issue 2
27 October 2021
