Installation and Maintenance Manual
Model 300VSC-1 and Model 300VSC-1044SB SelecTone Command Units
9
Table 1 Product specifications (continued
Output Voltage Levels, No Load (sq. wave)
Unbalanced Signal Line
12 Vrms
Balanced Signal Line
25 Vrms
Low-Level Signal Line
1 Vpp
Tone Output Levels Max. Load (sq. wave)
Unbalanced Signal Line
12 Vrms (25
Ω
load)
Balanced Signal Line
20 Vrms (40
Ω
load)
Low-Level Signal Line
0.56 Vrms (600
Ω
load)
Audio Frequency Response, Balanced Signal Line
40 Ω Max. Load, from 250 Hz to 80 kHz
(Reference 1 kHz)
-3 dB
40 Ω Max. Load, from 450 Hz to 60 kHz
(Reference 1 kHz)
-1 dB
No Load, from 100 Hz to 90 kHz
(Reference 1 kHz)
-3 dB
No Load, from 200 Hz to 60 kHz
(Reference 1 kHz)
-1 dB
Signal to Noise Ratio (< 3% THD)
Local PA
60 dB
Remote Mic
40 dB
Aux. Input
80 dB
Audio Distortion from Aux. Input to Balanced Signal
Line Output (40 Ω Load)
2 %
Internal Speaker
Sound Level at 1 meter
65 dB
Remote Tone Activation Circuit
Type
Dry contact closure
Line Impedance
100
Ω
(max.)
Circuit Current
50 mA (max.) (12 Vdc)
Remote Microphone Activation Circuit (PTT)
Type
Dry contact closure
Line Impedance
100
Ω
(max.)
Circuit Current
10 mA (max.) (12 Vdc)
Summary of Contents for SelecTone 300VSC-1
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