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©2003 SLM Electronics, Inc. • A Division of St. Louis Music, Inc.
1400 Ferguson Avenue • St. Louis, MO 63133
18-567-01 • 05/16/03
SPA100 1/2-Rack Power Amplifier
Technical Specifications
POWER OUTPUT 100 Watts RMS @ 4 ohms
75 Watts RMS @ 8 ohms
FREQUENCY RESPONSE +/-0.5dB, 20Hz – 20kHz @ full rated power
TOTAL HARMONIC DISTORTION Less than .06%, 20Hz – 20kHz
Typical .02% @ 1kHz
INTERMODULATION DISTORTION Less than .05% @ 300W / 4 ohms
SLEW RATE 20 volts per nanosecond
SIGNAL TO NOISE RATIO Greater than 100dB
INPUT TYPE AND IMPEDANCE Transformerless electronically balanced, 20k actual load impedance.
Suitable for Low or High-Z balanced line. 3 pin “XLR” plus
3 conductor 1/4” phone jack input per channel.
INPUT SENSITIVITY 1.0 V RMS
LOAD IMPEDANCE 4 ohms or greater
OUTPUT CONNECTIONS 1/4” jack & 5-way binding posts
PROTECTION CIRCUITRY Short circuit, RF burnout, overtemp, speaker protection relays,
turn on/off transient protection, DC protection and limiter (Anti-clip)
COOLING Forced air fan cooling, rear intake, front and side exhaust
POWER REQUIREMENTS DOMESTIC: 120 VAC 60Hz, 75VA
EXPORT: 100-115 VAC 50/60Hz, 75VA
220-240 VAC 50/60Hz, 75VA
SIZE AND WEIGHT 10.5” W x 1.75” H x 11.5” D; 9.3 lbs.
Due to ongoing product development and improvement, the specifications
contained herein are subject to change without notice.
www.crateaudio.com
System Block Diagram:
INVERTER
LEVEL
LIMIT
SIGNAL
POWER
AMP
SPEAKE
R
OUTPUT
S
PROTECT
PROTECTION
LINE
INPUTS