ลำโพงติดผนัง ยี่ห้อ TOA รุ่น BS-678
BS-678 เป็นลำโพงตู้ที่ทำจากไม้สามารถติดตั้งในแนวตั้งหรือแนวนอน โครงสร้างของลำโพงถูกออกแบบมาให้ติดตั้งกำบผนังด้วยการสกรูเพื่อป้องกันไม่ให้ลำโพงหล่นได้ง่ายแม้มีแรงกระแทก
- Ideally suited for BGM and announcements
- Compact and unobtrusive design
- Quick and easy installation, which saves time on setting-up
- Horizontal / vertical direct wall installation
- A push-in terminal allows easy cable connections and bridge wiring
Specifications
| 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), 6.7 kΩ (1.5 W), 13 kΩ (0.8 W) 70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 6.7 kΩ (0.8 W), 13 kΩ (0.4 W) |
| Sensitivity | 94 dB (1 W, 1 m) (500 Hz – 5 kHz, pink noise) |
| Frequency Response | 150 Hz – 20 kHz (peak -20 dB) |
| Speaker Component | 16 cm (6″) double cone-type |
| Applicable Cable | 600 V vinyl-insulated cable (IV wire or HIV wire) Solid wire: φ0.8 – φ1.6 mm (equivalent to AWG 20 – 14) 7-core twisted wire: 0.75 – 1.25 m㎡ (equivalent to AWG 18 – 16) |
| Connection | Push-in connector (bridging terminal) |
| Finish | Baffle: HIPS, off-white (RAL 9010 or equivalent color) Cabinet: Particle board with pvc sheet, off-white (RAL 9010 or equivalent color) Grille: Surface-treated steel plate net, off-white (RAL 9010 or equivalent color) |
| Dimensions | 250 (W) × 190 (H) × 110 (D) mm (9.84″ × 7.48″ × 4.33″) |
| Weight | 1.7 kg (3.75 lb) |
| Accessory | Speaker mounting screw (4 × 35 (0.16″ × 1.38″)) …2 |
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