Instrukcja obsługi Electro-Voice TL880D

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TL880D
Very-Low-Frequency
Speaker System
• Designed for cinema subwoofer use
• High acoustic output to below 20 Hz
• Two EVX-180A woofers provide very
high peak and long-term output that
complements the dynamic potential of
digital sound on film
• 2,000 watts continuous program
• Side-mounted connection panel
facilitates hookup when depth behind
the screen is restricted
• High output ability in the 20- to
40-Hz range is also ideal for
very-low-frequency synthesized
effects, down-tuned bass guita

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TL880D Very-Low-Frequency Speaker System Specifically, the TL880D is designed to with- operating in unison or “in phase.”) This prin- Architects' and Engineers' stand the power test described in ANSI/EIA ciple is already employed in the dual-woofer Specifications RS-426-A 1980. The EIA test spectrum is TL880D, and is responsible for the higher applied for eight hours. The spectrum is ob- sensitivity and narrower vertical beamwidth The loudspeaker system shall be a dual low- tained by filtering w

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Bug right TL880D Very-Low-Frequency Speaker System product data sheet or owner’s manual; (d) customer. Electro-Voice shall not be liable sociated with the speaker systems are guar- malfunction resulting from misuse or abuse for any incidental or consequential damages anteed for three (3) years from the date of of the product; or (e) malfunction occurring including, without limitation, injury to per- original purchase. Additional details are in- at any time after repairs have been made to sons or

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TL880D Very-Low-Frequency Speaker System TL880D Very-Low-Frequency Speaker System HORIZONTAL Figure 2—TL880D One-Third-Octave VERTICAL Polar Responses (anechoic environment)

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TL880D Very-Low-Frequency Speaker System TL880D Very-Low-Frequency Speaker System FIGURE 3—TL880D One-Third- Octave Beamwidth vs Frequency (anechoic environment) FIGURE 4—TL880D One-Third- Octave Directivity vs Frequency (anechoic environment) FIGURE 5—TL880D Harmonic Distortion, 0.1 Rated Power Input (120 watts), 10 Feet on Axis

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TL880D Very-Low-Frequency Speaker System Dispersion Angle Included by 6-dB- Transducer Complement: Specification Down Points on Polar Responses, Two EVX-180A Indicated One-Third-Octave Bands of Net Box Volume: Frequency Response, 1 Watt at 1 Meter 3 Pink Noise (see Figure 3), 439 liters (15.5 ft ) on Axis, Swept One-Third-Octave 90-125 Hz, Horizontal and Vertical: Box Tuning Frequency: Pink Noise, Anechoic Environment 360° 25 Hz (see Figure 1): 125-500 Hz, Horizontal: Step-Down Peak-Boost Freque