Electro-Voice TL770D: Very-Low-Frequency Speaker System

Overview

The Electro-Voice TL770D is a high-performance, very-low-frequency speaker system engineered for demanding cinema subwoofer applications. It is designed to complement the dynamic range of digital sound on film by delivering exceptional acoustic output down to below 20 Hz.

Key Features

• Dual DL18MT 18-inch long-throw woofers for high peak and long-term output.
• 1,200 watts continuous program power handling.
• Extended low-frequency response, reaching below 20 Hz.
• Side-mounted connection panel for convenient installation, especially behind cinema screens.
• THX® approval pending, indicating suitability for high-fidelity cinema sound reproduction.

Applications

Ideal for digital cinema sound systems, the TL770D excels at reproducing synthesized effects and deep bass frequencies. Its robust design also makes it suitable for professional audio installations requiring significant low-frequency extension and output.

Technical Highlights

• Frequency Response: 23 Hz - 1,800 Hz (1 Watt at 1 Meter)
• Low-Frequency Limit: 20 Hz (10-dB-down point)
• Power Handling: 800 watts (Long-Term Average), 1,200 watts (Continuous Program)
• Enclosure: Vented, black texture-painted poplar plywood
• Dimensions: 121 cm (H) x 76.2 cm (W) x 60.5 cm (D)
• Weight: 68.2 kg (150 lb)