JBL / CBT 50LA-1

The CBT 50LA-1 is a column speaker manufactured by JBL. Its compact body houses eight high-output, small drivers arranged vertically, providing wide coverage. Its horizontal dispersion angle reaches 150°. JBL's proprietary CBT technology delivers clear sound throughout the entire speaker area. It also features a 70/100V transformer for high-impedance connections.

Equipped with eight 50mm high-output drivers.

- Equipped with eight 50mm high-output drivers using neodymium magnets. Compact and suitable for installation in tightly spaced locations.
- Proprietary CBT technology delivers clear speech and announcements throughout the entire coverage area.
- Equipped with a Music/Speech switch that adjusts the sensitivity of the mid-range.
- Equipped with a 70/100V transformer for high-impedance connection.
- Includes a wall mounting bracket that can be adjusted up, down, left, and right.

Frequency Range (-10dB): 80Hz to 20kHz
Dispersion Angle (-6dB):
Horizontal: 150° (1kHz to 4kHz, ±20°)
Vertical: 20° (1.5kHz to 16kHz, ±10°)
Power Rating: 150W pink / 600W peak
Maximum Sound Pressure:
115dB SPL (Speech mode, 121dB SPL peak)
111dB SPL (Music mode, 117dB SPL peak)
Driver Configuration: 50mm full-range x 8
Sensitivity (2.83V @ 1m):
96dB SPL (Speech mode, 2kHz to 14kHz)
89dB SPL (Music mode, 300Hz to 18kHz)
Nominal Impedance: 8Ω
Transformer Tap 100V 60W/30W/15W
70V 60W/30W/15W/7.5W
■Input Terminal: Screw terminal
■Finish: ABS resin, black or white (-WH)
■Dimensions (W x H x D): 99 x 529 x 153 mm (excluding protrusions)
■Weight: 4.1 kg
■Accessories: Wall mounting bracket

*IEC pink noise, crest factor 6 dB, 2 hours