3678 (discontinued)

Screen Channel System

3678
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Screen Channel System

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.

Features

  • 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).

Downloads

  Version Language Size Uploaded
Data Sheets
file type icon 3678 Setup Instructions
updated: 10월 2019
    25.4KB 10월 2019
Specifications
file type icon 3678 Spec Sheet
updated: 10월 2020
    71.9KB 10월 2020
Manuals
file type icon Cinema Sound System Manual
updated: 10월 2020
    2.31MB 10월 2020
CAD Drawings
file type icon Cinema Products
updated: 10월 2019
    110KB 10월 2019
Compliances
file type icon Cinema Sound - 3000 Series Declaration of Conformity
updated: 10월 2019
    144KB 10월 2019
Tech Notes
file type icon Tech Note: Polarity Conventions
updated: 10월 2019
    55KB 10월 2019
Information documents
file type icon Cinema CD
updated: 10월 2019
    21.9MB 10월 2019
file type icon JBL Professional Model Number Listing:
updated: 10월 2020
    47.3KB 10월 2020

If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.

Parts & Service

Specifications

Frequency Range (-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
Sensitivity 98 dB (1W, 1m)
Nominal Impedance 8 Ohms
Crossover Frequency 1 kHz
Nominal Coverage 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
Input Connectors Barrier Strip Screw Terminals
Dimensions (H x W x D) 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

Support/FAQs

HARMAN Professional Solutions:

3678 (discontinued)

Screen Channel System