PJ-304
投射式喇叭
PJ-304
PJ-304 是一款專為天花板和牆壁安裝而設計的投影揚聲器。在建築設計上考慮，可以與照明設備融為一體。隨附的旋轉支架可靈活調整揚聲器角度。 PJ-304 在高阻抗（100 V 和 70 V）和低阻抗（8 #9b）線路上驅動。輸入功率（阻抗）可以在揚聲器的上側輕鬆變更。該揚聲器易於重新噴漆，以滿足廣泛的設計需求。
- 時尚而出色的設計，靈感源自最精美的照明燈具
- 透過配件支架靈活調整揚聲器方向
- 可重新噴漆
- 輸入阻抗可輕鬆變更
- 低音反射型
外箱型式
Bass-reflex type
額定輸入
30 W (100 V, 70 V line, 8 Ω)
額定阻抗
100 V line: 330 Ω (30 W), 500 Ω (20 W), 670 Ω (15 W), 1 kΩ (10 W), 2 kΩ (5 W)
70 V line: 170 Ω (30 W), 250 Ω (20 W), 330 Ω (15 W), 500 Ω (10 W), 1 kΩ (5 W)
8 Ω
70 V line: 170 Ω (30 W), 250 Ω (20 W), 330 Ω (15 W), 500 Ω (10 W), 1 kΩ (5 W)
8 Ω
輸出音壓電平
91 dB (1 W, 1 m) (500 - 5,000 Hz, pink noise)
頻率響應
70 - 20,000 Hz (peak -20 dB)
喇叭組成
12 cm (5") cone-type + balanced dome-tweeter
Speaker Cable
2-core cabtyre cord 60 cm (1.97 ft) with diameter of 6 mm (0.24)
外觀
Grille: Surface-treated steel plate net, black, paint
尺寸
Ø186 x 369 (H) mm (Ø7.32 x 14.33")
重量
2.1 kg (4.63 lb) (unit only)
附屬品
Swivel bracket...1, Speaker mounting screw (4 x 16)...3
請下載資料以獲取完整規格。
The speaker shall be a bass-reflex 5" (12cm) cone type, with a balanced-dome tweeter, suitable for ceiling and wall mounting. Input impedance shall be easily adjustable with rotary switch on the upper side of the speaker.
The speaker shall include a transformer having multiple taps (5W, 10W, 15W, 20W, 30W at 100V and 70V, and 8ohm) adjustable. The output sound pressure level at a distance of 1m with a 1W input level applied shall be 91 dB SPL. The speaker shall have a frequency response of 70 – 20,000Hz (-20dB).
The speaker enclosure shall be constructed of HIPS resin. The grille shall be constructed of surface-treated steel plate net. The speaker shall be available in off-white color, and shall be easily repaintable. The unit shall have dimensions of ø186 x 369 (H) mm (ø7.32” x 14.33”), and a weight of 2.1 kg (4.63 lbs.).
The speaker shall be a TOA model PJ-304.
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