Controls Center Frequencies
Bass: 250 Hz and 500 Hz
Mid: 1 KHz and 2 KHz
Treble: 4 KHz and 6 KHz

Maximum Output
120 db SPL with standard telephone receiver, 130 db SPL with large 8 ohm close coupled headphones

Attenuation (typical each range)
-20db at 2 octave points

Phone Input
Impedance: 600 ohm
Connector: Modular handset
Maximum Input Without Distortion: -30 dbm

Phone Output
It can be used with the old style carbon microphone or the newer electret microphone equipped telephone sets.
(These units can not be used with cordless phones.)

Television and Radio Input
Impedance: <= 300 ohm
Connector: Mini phone plug

Output Impedance
8 ohm

Power requirements
9 Volt Battery or 9 Volt Power Adapter

Battery Life
4 to 8 hours of active use for a carbon zinc battery, 11 to 20 hours for an alkaline battery, life depends on type of battery and output levels

Physical
Width: 5.7"
Height: 1.5"
Depth: 3.6"
Weight: 7.5 ounces

Made in the USA

Copyright 2007 Hearsay Corporation, a division of S-5 Electronics

Hearsay Corporation
SPEECH ADJUST-A-TONE
    Page Updated January 2017
Additional Site Page
HGA-TP & HGA-HTP
SPECIFICATIONS for the