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  • PC-648658r.jpg

Ceiling Speakers


Integrated with a resin panel and speaker frame, the PC-648R is the ceiling mount speaker with a metal attached. It features 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.

  • Special design for thin ceiling
  • Spring clamp mechanism for easy speaker mounting to the ceiling
Rated Input
6 W (100 V line), 3 W (70 V line)
Rated Impedance
100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 10 kΩ (1 W)
70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 10 kΩ (0.5 W)
90 dB (1 W, 1 m) (500 Hz - 5 kHz, pink noise)
Frequency Response
100 Hz - 18 kHz (peak -20 dB)
Speaker Component
12 cm (5) cone-type
Mounting Hole
Mounting hole: Φ145±5 mm (Φ5.71±0.2")
Ceiling thickness: 5 - 25 mm (0.2 - 0.98")
Speaker Mounting Method
Spring clamp
Baffle: Polypropylene resin, white (RAL 9016 equivalent)
Grille: Surface-treated steel plate net, white (RAL 9016 equivalent), paint
Φ168 x 77 (D) mm (Φ6.61 x 3.03")
470 g (1.04 lb)
Included Accessories
Paper pattern …1

Please download Datasheet to access full specifications.

Optional Accessory

The ceiling mount loudspeaker shall be an integrated cone driver, line transformer and baffle (grille) assembly. The driver shall be a 12cm (5") diameter cone type with 8 ohm nominal impedance and a ferrite magnet. Power handling shall be 6 W (15 W program) with a frequency response from 100 – 18 KHz and sensitivity of 90 dB SPL at 1 W input measured at a distance of 1m. The line transformer shall accept 70 V and 100V inputs with taps for 1 W, 3 W and 6 W with an output impedance of 8 ohms. The baffle shall be made of polypropylene resin and grille shall be surface-treated steel plate net with an off-white color (RAL9010). With two spring clamps mounted at the opposite side of the baffle for easily assembly.

The dimension of the speaker shall be dia.168mm x D 77mm and weight shall be 470g.
The ceiling mount loudspeaker shall be TOA model PC-648R.

  • PC-648658r.jpg

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