Jabra GN 8050 TCA User manual

GN Netcom
GN 8050-TCA
THE FIRST UNIVERSAL COMPUTER/TELEPHONE AMPLIFIER.
If you use a headset for both telephone and computer, GN Netcom has you covered, with
the GN 8050-TCA. Not only does the GN 8050-TCA work with just about any phone with
a modular connector, it also plugs right into any Sound Blaster-compatible PC and lets you
switch between your phone and your computer with a single click. So it’s the perfect amplifier
for anyone who uses applications like computer-aided training or speech recognition.
And everything about the GN 8050-TCA showcases GN Netcom’s technology leadership.
With advanced features like Voice Switching to reduce background noise and maximize
speech recognition performance. Voice Compression for a consistent, user-friendly volume
level and top-of-the-line hearing protection. Our exclusive, user selectable battery-save
feature. Plus an online indicator option that conveniently doubles as a headset stand.
Yet for all these advances, the GN 8050-TCA is as easy to set up as it is to use.
• Easily switch from telephone to computer
• Universal plug-and-play compatibility
• Advanced hearing protection
• Headset/handset switch
• Sliding volume control and clickless mute switch
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For more information:
GN Netcom, Inc.
77 Northeastern Blvd. Nashua NH 03062
1-800-826-4656 www.gnnetcom.com
Printed in USA.
04/01
GNI-215A
The GN 8050-TCA is designed to work with any GN Netcom brand
headset. For PC voice applications, we recommend using the following
models:
GN 2100 Flex headsets, feature a flexible
boom and noise-canceling microphone.
Also available in binaural (GN 2125-NC).
GN 2200 Omega™ headsets deliver
professional performance at a surprising
price. Also available in monaural (GN 2220).
The Profile SureFit™headsets meet the demands of PC voice applications. Where
accuracy is most critical, nothing beats the performance of the Profile UNC SF, with the
most effective noise-canceling microphone in the industry. And every Profile SureFit model
gives you three interchangeable wearing styles—flexible earhook, earloop and headband.
The ADDvantage Plus has become the
industry standard, with its combination
of great sound, lasting comfort and
exceptional durability. Also available in
monaural (ADP-I).
Optima-G is the incredibly affordable
headset with great sound, great looks and
a light, low-profile design. Also available
in binaural (OPT-2N).
GN 2120-NC GN 2225
405-UNC-SF
OPG-1N
ADP-II
405-FLEX-SF
TELEPHONE
Transmit Specifications
Normal Output: -13 ± 3 dBV (transmit gain set to maximum)
Frequency Response: 250 Hz ~ 6 kHz
Distortion: Less than 3%
Operating Current Range: 30 mA ~ 108 mA
Operating Terminal Voltage: 4 –24 V DC Carbon, 1.85 V DC Electret
Polarity: Non-polarity sensitive
Voice Switching Threshold: 72 ± 3.5 dB SPL
Voice Switching Depth: 19 ± 3 dB
Voice Switching Attack Time: 10 ± 5 mS
Voice Switching Release Time: 200 ± 50 mS
Receive Specifications
Input Impedance: 300 ± 20%
Output Level: 87 dB SPL
Normal Volume Control Range: 32 ± 4 dB
Compression Threshold Level: -38 ± 3.5 dBV
Compression Attack Time: 10 ± 5 mS
Compression Release Time: 200 ± 50 mS
Compression Dynamic Range: 37 ± 3.5 dB
Frequency Response: 250 Hz ~ 6 kHz
Distortion: Less than 5%
Acoustic Limiting: < 112 dB SPL
COMPUTER
Transmit Specifications
Fixed Output Level: -35.5 ± 3.5 dBV
Output Impedance: 600 Ω
Frequency Response: 200 Hz ~ 6 kHz
Receive Specifications
Output: 86 ± 3.5 dB SPL
Input Impedance: 5K
Computer Volume Control Range: 21 dB
General Specifications
Operating Temperature: 0º- 50ºC
Safety Compliance: CUL 1950, OSHA 29 CFR 1910. 95, FCC Part 68
Housing Material: ABS
Host Phone Compatibility: Carbon, Electret, AT&T 700, 800
and Call Master V, VI
Power: 4-24 V DC in position "G"
1.85 V DC Minimum in position "A"
Battery Life: > 2500 hours
Low Battery Indicator: 1.5 kHz Tone every 6 seconds
Computer Interface : Dual 3.5 mm Stereo Plugs
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