SM-500 SPECIFICATIONS

Note: All measurements were taken with a line voltage of 120VAC. All noise specifications are “unweighted.” All voltages and watts are "RMS." All measurements taken with tone controls set flat, Aural Enhancer at minimum.

POWER (minimum):

Bridge/Mono Mode

500 Watts @ 4 Ohms

400 Watts @ 8 Ohms

250 Watts @ 16 Ohms

(minimum load = 4 Ohms)

Stereo Mode (per side)

300 watts @ 2 Ohms

250 watts @ 4 Ohms

150 watts @ 8 Ohms

(minimum load = 2 Ohms)

FREQUENCY RESPONSE (power amplifier): 10Hz to 40kHz

SENSITIVITY (full output under clipping, 8 ohms load, 100Hz):

Passive Input Jack: 38 millivolts

Active Input Jack: 155 millivolts

Power Amplifier (Effects Return Jack “in”): .5 volts

INPUT IMPEDANCE:

Passive/Active Input: 800kohms

Active Input: 60kohms

Effects Return: 27kohms

OUTPUT IMPEDANCE:

Effects Send: 100 ohms

Tuner Output: 100 ohms

XLR Balanced Out: 750 ohms

SIGNAL TO NOISE RATIO: –72 dB (<10 millivolts typical)

EQUIVALENT INPUT NOISE: 9 microvolts

SIZE (measured from the rack ears back): 19" W x 3.5" H x 13.375" D (82.6 x 8.9 x 39.73 mm)

WEIGHT: 20 lbs. (9.07 kg)

SM-500 USER GUIDE • 3