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Zx–7, Power amplifier, Zx-7 – Lexicon GX-7 User Manual

Page 2: Pecifications

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ZX–7

Power Amplifier

Audio Input Connectors

7 RCA | XLF

Audio Output Connectors

7 pairs of heavy-duty, gold-plated
binding posts

Performance

Output Power

300W RMS per channel into 8 Ohms from 20Hz to 20kHz
450W 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 300W/8 Ohms (30kHz bandwidth)

Intermodulation
Distortion (IM)

Less than 0.05% at full power ratings

Crosstalk

Greater than -60dB @ 1kHz (30kHz bandwidth)

Damping Factor

Greater than 400 from 10Hz to 400Hz

Input Sensitivity

1V for 176W out @ 8 Ohms

Input Impedance

Minimum 10KOhms

Gain

Minimum 31dB

Other

Trigger Input

3.3 to 24 Volts DC ± 10%, 3.5mm T/S jack

Power Requirements

120V 60Hz 12 Amp (domestic)
230V 50Hz 7 Amp (export)

Height 9.5-inches
Width

17.2-inches

Depth

20.3-inches (including handles)
19.3-inches (not including handles)

Weight

138 pounds (62.73 kg)

Rack Mounting

Optional brackets are available for mounting the
amplifier in a standard 19-inch equipment rack.

Specifications are subject to change without notice.

S

PECIFICATIONS

ZX-7

· 300 watts x 7 channels

· Full Balanced Topology

· Completely symmetrical circuit design

· Dual oversized toroidal transformers

· 4 hand-graded output devices per channel

· Advanced optically coupled protection for each channel