Instruction manual
P82724 E
Sheet 2 of 9
TECHNICAL SPECIFICATIONS:
# PARAMETERS AA-20 AA-40 TOLERANCE COMMENTS
1 Power Output
@ 1KHz
20 Watts RMS 40 Watts RMS ±1dB 115VAC 60Hz ±5%
230VAC 50Hz ±5%
2 Total Harmonic
Distortion
Less than 1% THD
+1%
Same as above
@ Rated Output
3 Outputs 8 OHMS, 25V, 70.7V, 100V ±1.5dB Bal. or Unbal.
4 Line Output 1.1V ±20% R
L
= 150 OHMS
INPUTS TELEPHONE MIC 1/MIC 2 AUX ------ ------
5 Impedance 600 OHMS 600 OHMS 12K OHMS ------ @ 1kHz
6 Sensitivity
-20dBM
(77.5mV -
-16 +20)
1mV
220mV
TEL ±2dB
MIC ±.5mV
AUX ±20%, -50%
To Produce
Rated Output
7 Frequency Response 300Hz-5kHz 50Hz-15kHz 50Hz-15kHz ±3dB Ref. 1kHz @ 1W
25kHz MAX.
8 Signal to Noise Ratio 65dB 60dB 70dB -4dB +10dB Not Weighted
9 Type of Input
Transformer
Isolated/Bal.
Balanced or
Unbalanced
Unbalanced
------
------
10 Controls TEL/MIC 1, MIC 2, AUX, BASS, TREBLE, MASTER VOLUME,
TEL/MIC 1 SW., LIMITER ON/OFF SW., AUX MUTE ON/OFF SW.
Front Panel
Mount
LO CUT SWITCH Front Panel
Mount
11 Indicators Green LED - Power ON Red LED - Peak Level Front Panel
Mount
12 Protection Transformer thermal circuit breaker, no-load, low-load, short circuit and
thermal overload protection on output and supply regulators.
------
# PARAMETERS AA-20 AA-40 TOLERANCE COMMENTS
13a Treble Control -10.5dB TO +10.5dB @ 12kHz ±4dB ------
13b Bass Control +10.5dB TO -10.5dB @ 100Hz ±4dB ------
14 Lo-Cut Switch -6dB @ 250Hz +1dB, -2dB ------
15 Automatic Limiter
For Paging
±4dB output level maintained without clipping,
even while exceeding rated input level up to
20dB.
------
Paging Inputs
16 Automatic Mute
Operation
Output level 1 watt for 40dB muting Min. Mute of music output
while page is activated
17 Regulation No load to full load output less than 2dB ------ Stability of amp. with
or without load
18 RFI Protection RFI test: use CB transmitter output in same room
- minimum 20ft. from amplifier.
------
No Pickup
19 Consumption @
FRO
65 Watts 115 Watts ±5% @ 115VAC, 60Hz,
±5%
INPUT CONNECTIONS: (Figures 1 & 2)