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Jabra Corporation AT3M Plug Prong Amplifier w/ Mute (01-0437)

Jabra Corporation
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Jabra Corporation AT3M Plug Prong Amplifier w/ Mute

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Overview

Mute LED to indicate when the mute mode is activated, Full range volume control enables users to set comfort level, Voice switching to eliminate background noise when user is not speaking
  • MacMall Part #: 476341 
  • Manufacturer Part #: 01-0437 
  • UPC: 0706487000730 
  • Platform: Universal 



The AT3 is a telephone amplifier for phone systems requiring a PJ 327 Plug Prong interface. It is a unique product that offers a field replaceable headset cord and a 90° bend to minimize space and position the controls for easy access. Additional product features include full range volume control, voice switching to further reduce background noise when the agent is not speaking, GN Netcoms FailSafe Compression to ensure constant speaker output, as well as our patent pending circuit that precisely intercepts acoustic spikes.

Features:

– Mute and no mute version
– Mute LED to indicate when the mute mode is activated
– Full range volume control enables users to set comfort level
– Voice switching to eliminate background noise when user is not speaking
– FailSafe Compression to provide a constant output level with varying
input signals; boost the weak and reduce the strong
– A patent pending circuit that prevents clipping and distortion as well as
safe guards the user against acoustic spikes
– Field replaceable headset cord
– Unique 90° bendable housing to minimize space usage

Specifications:

– Output Level: -30 dBV into 50 ohms typical with 94 dB SPL
– Output Impedance: 50 ohms +/-20 ohms
– Operating Current Range: 3-140 ma
– Frequency Range: -3 dB @ 250 & 5000 Hz hard wire
– Distortion: <5 %
– S/N Ratio: 50 dB min @ 1 kHz with 5 mv input
– Dynamic Range: 12 dB min at max rated output
– Polarity : Non Polar
– Tx Switching Threshold Sensitivity : 76 dB SPL @ 1 kHz typical
– Tx Switch-Up Time: 5-15 ms with a 70-86 dB transition at the mic
– Tx Switch-Down time: 150-250 ms with a 86 to 70 dB SPL transition
– Switched Transmit Level differentia: 12 +/-2 dB*
– Mic Mute: Silent
– Mic Mute: Indicator Red LED
– DC Resistance: >50 ohms with a 4.8 VDC 226 ohm source
– Input Impedance: 300 ohms
– Sensitivity: 35 to -40 dBV for normal rated output
– AGC Threshold: 35 to -40 dBV at max volume
– AGC Compression Range: 40 dB
– AGC Attack Time: <15 ms
– AGC Decay Time: 150-190 ms/10 dB
– Frequency Response: 6 dB @ 250 & -3 dB @ 3000 Hz hard wire
– Distortion: <5% 10 dB into AGC hardline with 300 ohm resistor load
– Output Power : Approx .22 mw into 300 ohms at max volume
– Volume Control Range: 25 dB
– S/N Ratio Up to 60 dB with a strong signal

Technical Specs

General
Product Type Amplifier
Intended for Headset
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Jabra Corporation AT3M Plug Prong Amplifier w/ Mute (01-0437)

Mute LED to indicate when the mute mode is activated, Full range volume control enables users to set comfort level, Voice switching to eliminate background noise when user is not speaking

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