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- GM-X542/X1R/UC

Power source .............................................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 15.5 A (at continuous power, 4 Ω)

Average current drawn* ............................................................................................................ 5.6 A (4 Ω for two channels)

Fuse .................................................................................................................................................................................. 25 A

Dimensions .......................................................................................................................... 270 (W) × 60 (H) × 165 (D) mm

Weight .......................................................................................................... 2.7 kg (5.9 lbs) (Leads for wiring not included)

Maximum power output .................................................................................................................... 100 W × 2 / 300 W × 1

Continuous power output ............................................................ 50 W × 2 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.08% THD)

Load impedance .............................................................................................................................. 4 Ω (1 — 8 Ω allowable)

Frequency response ............................................................................................................ 10 — 50,000 Hz (+0 dB, –1 dB)

Signal-to-noise ratio ...................................................................................................................... 105 dB (IHF–A network)

Distortion ............................................................................................................................................ 0.005% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 65 dB (1 kHz)

Low pass filter ................................................................................................................................ Cut off frequency: 80 Hz

High pass filter ................................................................................................................................ Cut off frequency: 80 Hz

Bass boost .................................................................................................................................................. Frequency: 60 Hz

Maximum input level/impedance .................................................................................... RCA: 6.5 V/22 kΩ (0.4 — 6.5 V)

Note:

• Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

• The average current drawn is nearly the maximum current drawn by this unit when

an audio signal is input. Use this value when working out total current drawn by

multiple power amplifiers.

8.8 A (4 Ω for one channel)

[10-5/8 (W) × 2-3/8 (H) × 6-1/2 (D) in]

150 W × 1 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.8% THD)

75 W × 2 (at 14.4 V, 2 Ω, 20 — 20,000 Hz, 0.8% THD)

(Bridge connection: 2 — 8 Ω allowable)

Cut off slope: –12 dB/oct

Speaker: 26 V/40 kΩ (1.6 — 26 V)

GM-X642,X542

Gain: 0 — 18 dB