Directed Electronics A1200/4 Owner's Manual
Text of the manual
TABLE OF CONTENTS
Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Features . . . . . . . . . . . . . . . . . .
Thank you for choosing Precision PowerTM audio equipment.
Designed and engineered in the USA, this product combines
innovative technology with the finest materials to consistently deliver
Absolutely State of the Art™performance, sound quality, reliability,
and value. This Precision PowerTM product reflects our commitment
to offer you unpara
Advanced Instrumentation Input Stage
TC-X Crossover 24dB/Octave; HP/LP/FULL; 30-4kHz Crossover
Adaptive PWM Power Supply
AP-IV Protection Circuity
Fully Complementary Darlington Output Stage
QBASSTM Bass Boost (A600/4)
QBASS PlusTM Bass Boost (A1200/4)
High Voltage Input Capability with -12dB Attenuation Switch
Gold Plated RCA Input and Output Conne
Nominal Power Ratings
MODEL
4ohm STEREO
2ohm STEREO
4ohm MONO
A600/4
4 X 50
4 X 75
2 X 150
A1200/4
4 X 100
4 X 150
2 X 300
General Specifications
Frequency Response
20Hz - 20kHz
Power Bandwidth
10Hz - 50 kHz
Total Harmonic Distortion + N
<0.05%
Input Topology
Instrumentation
Input Sensitivity
150mV - 12 Volts RMS
(with -12dB pad)
Input Impedan