Power Amplifier performance measure and some common distortion
Power amplifier is an electronic device that enlarges the power of a signal by increasing the electric current. It can boost the sound many times before feeding it into the...
We are providing 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. Check others model and microphones..
Types of Ceiling Speaker
| 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) |
| Sensitivity | 90 dB (1 W, 1 m) (500 – 5,000 Hz, pink noise) |
| Frequency Response | 100 – 18,000 Hz (peak -20 dB) |
| Speaker Component | 12 cm (5″) cone-type |
| Dimensions for Fixing Hole | Mounting hole: φ145±5 mm (φ5.71″±0.2″) Ceiling thickness: 5 – 25 mm (0.2″ – 0.98″) |
| Speaker Mounting Method | Spring clamp |
| Finish | Baffle: Polypropylene resin, off-white (RAL 9010 or equivalent color) Grille: Surface-treated steel plate net, off-white (RAL 9010 or equivalent color), paint |
| Dimensions | φ168 × 77 (D) mm (φ6.61″ × 3.03″) |
| Weight | 470 g (1.04 lb) |
| Accessory | Paper pattern …1 |
