JBL Professional 3678

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The 3678 screen channel system can be used in either the passive mode or in a bi-amplified system.
THX^®-approved for THX system applications.

Low Frequency Transducer: One 380 mm (15 in) low frequency driver.
High Frequency Transducer: 25 mm (1 in) horn throat diameter, 44 mm (1.75 in) pure titanium diaphragm compression driver.
Flat power response 100° x 100° Bi-Radial® horn.
Operable in bi-amp or passive mode.
Includes adjustable bracket for horn aiming.
Shallow profile cabinet minimizes behind-screen space requirements.
THX® - approved for THX system installations (biamplified only).

Data Sheets

	大小	上传日期
3678 Setup Instructions 更新: 10月 2019	25.4 KB	10月 2019

Specifications

	大小	上传日期
3678 Spec Sheet 更新: 10月 2020	71.9 KB	10月 2020

Manuals

	大小	上传日期
Cinema Sound System Manual 更新: 10月 2020	2.3 MB	10月 2020

CAD Drawings

	大小	上传日期
Cinema Products 更新: 10月 2019	110.4 KB	10月 2019

Compliances

	大小	上传日期
Cinema Sound - 3000 Series Declaration of Conformity 更新: 10月 2019	143.6 KB	10月 2019

Tech Notes

	大小	上传日期
Tech Note: Polarity Conventions 更新: 10月 2019	55.0 KB	10月 2019

Information documents

	大小	上传日期
Cinema CD 更新: 10月 2019	21.9 MB	10月 2019
JBL Professional Model Number Listing: 更新: 10月 2020	47.3 KB	10月 2020

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频率范围 (-10dB)	30 Hz to 20 kHz (-10 dB)
Frequency Response (±3 dB)	45 Hz to 12 kHz (+/- 3 dB)
Power Capacity (Continuous Pink Noise)	300 W Passive HF: 50 W Bi-Amp LF:600 W Bi-Amp
灵敏度	98 dB (1W, 1m)
标称阻抗	8 Ohms
分频点	1 kHz
覆盖范围	90° Horizontal, 90° Vertical
Half-Space Reference Efficiency	3.3%
Maximum Acoustic Power Output	8 Acoustic W (Sine Wave Input)
System Polarity	Positive Voltage to RED produces forward cone motion
输入接口	Barrier Strip Screw Terminals
尺寸（高 x 宽 x 厚）	1019 (w/horn) x 651 x 292 mm (40.125 (w/horn) x 25.625 x 11.5 in)
Net Weight (each)	41 kg (90 lb)
Power Handling (2Hr AES Rating)	300W