TOA PC-2852 ลำโพง Passive แบบติดเพดาน ขนาด 8 นิ้ว

TOA PC-2852 Ceiling Mount Speaker

Integrated with a speaker unit and panel, the PC-2852 Ceiling Mount Speaker is of all metallic construction and ideal for use in a voice alarm system. It feature spring clamp mechanism for easy speaker mounting to the ceiling. The input impedance can be easily changed by changing the tap position of the transformer. The push-in type input terminal block makes cable connections easy and allows bridge wiring.

Features

• Rated Input : 15 W (100 V, 70 V line)
• Rated Impedance : 100 V line: 670 Ω (15 W), 1 kΩ (10 W), 2 kΩ (5 W), 3.3 kΩ (3 W)
  70 V line: 330 Ω (15 W), 670 Ω (7.5 W), 1 kΩ (5 W), 2 kΩ (2.5 W), 3.3 kΩ (1.5 W)
• Sensitivity : 96 dB (1 W, 1 m) (500 Hz – 5 kHz, pink noise)
• Frequency Response : 45 Hz – 20 kHz (peak -20 dB)
• Speaker Component : 20 cm (8″) coaxial cone-type
• Dimensions for Fixing Hole : Mounting hole: φ250±3 mm (φ9.84″±0.12″)
  Ceiling thickness: 5 – 25 mm (0.2″ – 0.98″)
• Speaker Mounting Method : Spring clamp
• Applicable Cable : 600 V vinyl-insulated cable (IV wire or HIV wire)
  Solid copper wire: φ0.8 – φ1.6 mm (equivalent to AWG 20 – 14)
  7-core twisted copper wire: 0.75 – 1.25 m㎡ (equivalent to AWG 18 – 16)
• Connection : Push-in connector (bridging terminal-2 branch type)
• Finish : Baffle: Steel plate, white (RAL 9016 equivalent), paint
  Grille: Surface-treated steel plate net, white (RAL 9016 equivalent), paint
• Dimensions : φ280 × 92 (D) mm (φ11.02″ × 3.62″)
• Weight : 1.6 kg (3.53 lb)

TOA PC-2852 Specification