ลำโพงเพดาน  ยี่ห้อ Bosch รุ่น LC2-PC60G6-12

The LC2‑PC60G6‑12 is a 12‑inch two‑way Premium‑sound Ceiling Loudspeaker which provides, wide dispersion, high efficiency, high maximum output, ease‑of‑installation and wide‑range
reproduction of music and voice. It is intend for high ceiling applications. It consists of a baffle assembly, grille, back‑can enclosure, 12‑inch coax two‑way loudspeaker and internal output‑power matching transformer.
The rear enclosure provides an optimum internal volume for extended low frequency performance. The loudspeaker utilizes a comprehensive protection circuit to protect the network, woofer, and tweeter drivers from excessive power levels.

Technical specifications
Electrical

• Maximum power:   100 W
• Rated power :   64 / 32 / 16 / 8 / (4 W only, 70 V).
• Sound pressure level at 64 W / 1 W (1 kHz, 1 m) :   118 / 100 dB (SPL)
• Effective frequency range (-10 dB):   65 Hz to 20 kHz
• Crossover frequency:    2 kHz
• High‑pass frequency:    60 Hz
• Rated voltage:   70 V or 100 V
• Rated impedance :  83 or 167 or 8 ohm
• Coax transducer :   305 mm (12 in.)
• Connector:   3‑pole ceramic screw terminal block

Mechanical

• Diameter:    414 mm (16.31 in)
• Maximum depth:   333 mm (13.12 in)
• Ceiling thickness:   4 to 25 mm (0.16 to 1.00 in.)
• Mounting cut‑out:   386 + 5 mm (15.20 + 0.20 in.)
• Material
• Baffle:    ABS (UL94V0)
• Back‑can:   Zinc‑plated steel
• Grille:   Powder coated steel
• Weight:    13.3 kg (29.3 lb)
• Color:   White (RAL 9010)

Environmental

• Operating temperature:   -25 ºC to +55 ºC (-13 ºF to +131 ºF)
• Storage temperature:   -40 ºC to +70 ºC (-40 ºF to +158 ºF)
• Relative humidity:   <95%