A3 specifications – Induction Dynamics SW1 User Manual
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Audio Perfection Realized
™
A3 Specifications
Type:
Class AB Bipolar Subwoofer Amplifier with 2-stage power
supply
Driver Control:
Patented non-distorting, frequeny-selective excursion
limiter
Frequency Response:
20 Hz - 20 kHz, +/- 0.25 dB
Harmonic Distortion:
< 0.05% (@ 1 kHz, 1 Watt)
Voltage Gain (dB) S/N:
38 dB (internally switchable to 28 dB or 48 dB plus rotary
gain control +/- 9 dB in 1/2 dB steps)
Damping Factor:
95 dBA
Input Impedance:
300 Ohms @ 60 Hz
Output Load:
2.5 K Ohms minimum
Power Output
(Continuous)
2.5 Ohms / 4 Ohms /
8 Ohms
640 Watts / 500 Watts / 360 Watts
Inputs:
L & R RCA Low and high levels (RCA plus XLR optional
without high levels)
Output Binding Posts:
N/A
Power Requirements:
120/240 V AC; 50/60 Hz; 6A slow-burn fuse
Auto On/Off
Auto power down if no signal for 20 minutes (turn-on
sensitivity 2 mV)
Level Controls:
120/240 V AC; 50/60 Hz; 6A slow-burn fuse