Chapter 2 - Installation
Loudspeaker Installation
The installation of the Basic Speakers, 1761-9630, with the GSI 61 provides a
guaranteed maximum level in speech of 90 dB HL (with a 6 ft x 6 ft room, and the
patient seated one meter from the speakers).
Note that the High Frequency with Sound Field can only be selected with
the Basic Speakers.
Basic Speaker
Cable 90 dB HL
GSI61
Basic Speaker
90 dB HL
Sound Field System 90 dB HL - Basic Speakers and Cable
Frequency Range: 125 to 16,000 Hz
To obtain a maximum level in speech of 96 dB HL, the High Performance Speakers,
1761-9635, may be used.
High-Performance
Cable
Speaker 96 dB HL
GSI61
High-Performance
Speaker 96 dB HL
Sound Field System 96 dB HL - High Performance Speakers and Cable
Frequency Range: 125 to 8,000 Hz
For additional output capability (to 102 dB HL guaranteed maximum level in speech)
use the High Performance Sound Field System with Booster Amplifier, 1761-9639,
as shown below.
Note: The Booster amplifier can only
be used with the High Performance speakers.
Use of the Booster Amplifier with the basic speakers will/can damage the speakers.
Cables High Performance
Cable Booster Speaker
GSI61 Amplifier
145 Watts High Performance
Speaker
Sound Field System 102 dB HL with Booster Amplifier
Frequency Range: 125 to 8,000 Hz
2-29
1761-0100 Rev. B
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