Lexicon Power Amplifer GX-7 - Manual (Page 20)

Appendix Lexicon
A-2
SPECIFICATIONS
Specifications are subject to change without notice.
Audio Input Connectors
7 RCA
Audio Output Connectors
7 pairs of heavy-duty, gold-plated binding posts
Performance
Output Power 125W RMS per channel into 8 Ohms from 20Hz to 20kHz
188W RMS per channel into 4 Ohms from 20Hz to 20kHz
Minimum
Recommended
Speaker Impedance 4 Ohms
Frequency Response 20Hz to 20kHz +0.1dB/-0.5dB
10Hz to 40kHz +0.1dB/-1.5dB
Total Harmonic
Distortion (THD) Less than 0.05% at full power ratings
Signal-to-Noise Ratio Greater than 100dB, ref 125W/8 Ohms (30kHz band-
width)
Intermodulation
Distortion (IM) Less than 0.05% at full power ratings
Crosstalk Greater than -80dB @ 1kHz (30kHz bandwidth)
Damping Factor Greater than 200 @ 20Hz (ref 8 Ohms)
Input Sensitivity 1V for 100W out @ 8 Ohms
Input Impedance Minimum 10kOhms
Gain Minimum 28dB
Other
Trigger Input 5 to 12 Volts DC ± 10%, 3.5mm T/S jack
Power Requirements 120V 60Hz 10 Amp [1200W] (domestic)
230V 50Hz 4 Amp [920W] (export)
Height 5-inches
Width 16.2-inches
Depth 19.5-inches (including handles)
17.12-inches (not including handles)
Weight 51 pounds (23.1 kg)
Rack Mounting Optional brackets are available for mounting the
amplifier in a standard 19-inch equipment rack.