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General
Channel Supplied Power Requirements:
+24 VDC nominal (standard Audiocom® line), 50 to 80 mA
Environmental Requirements:
Storage: -20°C to 80°C; 0% to 95% humidity, non-condensing
Operating: 0°C to 50°C; 0% to 95 % humidity, non-condensing
Dimensions: 3.25" (82.6 mm) high, 3.5" (88.9 mm) wide, 1.8" (45.7 mm) deep
Weight: 1.0 pounds (0.45 kg)
Interface Requirements
Earset:
150 to 600 ohm headphones
Balanced Intercom Channel Level & Impedance:
1 Vrms nominal; 300 Ω ±5%
Noise Contribution:
Less than -60 dB on the line.
Headphone Amplifier
Voltage Gain:
27 ±3 dB from the line
Maximum Output:
60 mW into 150 Ω
Frequency Response:
200 Hz to 8 kHz +1/-3 dB
Connector Pin Configurations
Headphone Connector:
Type: ¼" Monaural Plug
Sleeve Headset audio low
Tip Headset audio high
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: (800) 392-0498
Fax: (800) 323-0498
Form Number: PA20311
Date: February, 2006
IFB-1000 Specifications
Ordering Information
IFB-1000
Belt Pack
Catalog Number: 90007477000
This specifications information is preliminary and is subject to change without notification.
Brand names mentioned are the property of their respective companies.
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