SWR Sound Super Redhead Stereo Amplifier User Manual


 
2 • SUPER REDHEAD OWNER’S MANUAL
SUPER REDHEAD 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 OUTPUT (minimum):
350 Watts @ 4 ohms (internal)
400 Watts @ 2.67 ohms (or with an 8 ohm extension speaker connected)
450 Watts @ 2 ohms (or with a 4 ohm extension speaker connected)
Note: Internal speaker impedance is 4 ohms.
FREQUENCY RESPONSE (power amplifier): –3dB @ 20Hz and 40kHz
INPUT IMPEDANCE:
Passive/Active Input: 800kohms
Active Input: 60kohms
Effects Return: 27kohms
OUTPUT IMPEDANCE:
Effects Send: 100 ohms
Tuner Send: 100 ohms
XLR Balanced Out: 750 ohms
SIGNAL-TO-NOISE RATIO: –72 dB (<10 millivolts typical)
EQUIVALENT INPUT NOISE: 9 microvolts
POWER HANDLING: 350 watts RMS continuous program
CROSSOVER (located in the Super Redhead’s chassis): Third order, 6dB roll off, 18dB Butterworth
high pass, 4kHz turnover
SPL: 105 dB (–3dB @ 45Hz and 15kHz)
SENSITIVITY: 101dB SPL @ 1W1M
WOOFER ASSEMBLY:
10" woofer assembly
2" Hi temperature, high efficiency copper-wound Kapton voice coil
46 oz. focused magnet/175 watts RMS
CABINET INPUT: Stereo phone jack assembly