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ARCHITECT’S & ENGINEER’S
SPECIFICATION
The power amplifier shall be capable of stereo, mono
bridged or parallel (daisy chain) operation. In stereo mode,
it shall deliver a minimum of 750 watts into loads of 4 ohms
each with both channels operating. In mono bridge mode, it
shall deliver a minimum of 1500 watts into an 8 ohm load.
It shall be cooled by two temperature sensitive speed-con-
trolled fans, and shall have internal short-circuit and thermal
protection circuitry. A protection LED indicator shall acti-
vate and the power amplifier shall shut down to protect
against short circuits, overheating, severe overcurrent con-
ditions or DC offset present at the outputs. The power
amplifier shall have slow start-up and muted inputs on turn-
on. Inputs shall be on XLR and locking balanced 1/4″ tip-
ring-sleeve connectors. Outputs shall be on Banana jack and
Speakon™ connectors. The front panel shall have indepen-
dent level controls for left and right channels, a master power
switch and LED indicators for power, clip, -20dB, -40dB and
amplifier protection.
The power amplifier shall have a frequency response
of 9 Hz to 42 kHz, signal-to-noise equal to or greater than
105 dB and THD less than 0.03%. The dimensions shall
allow for standard 19″ EIA rack mounting. It shall be 5.25″
(133.35 mm; 3 rack spaces) high and 9.75″ (247 mm)
deep. Weight shall be 48 lb. (21.8 kg). The power amplifier
shall carry a three-year warranty.
The power amplifier shall be a SAMSON S1500.
Specifications subject to change without notice. ©2000–2003 Samson
S1500 SPECIFICATIONS
Rated Output Power, per channel (1 kHz, THD 0.1%, Both Ch Drive)
Stereo / Parallel modes
per channel (into 4 ohms) 780 W
per channel (into 8 ohms) 550 W
Bridged mode
per channel (into 8 ohms) 1550 W
Frequency Response (0 dB, +0.5, -1 dB) 9 Hz - 42 kHz
Total Harmonic Distortion
(1/2 power @ 20 Hz - 20 kHz, Both Ch Drive into 4 ohms)
0.021%
Dynamic Range 101 dB
Channel Separation (4 ohm, 250 W, 1 kHz) 82 dB
Residual Noise (0 dB ref. = .775 VAC rms, 22 Hz - 22 kHz)
(Att. Min.) -70 dBu
(Att. Max.) -65 dBu
Voltage Gain (4 ohm, 1 kHz) 37.3 dB
DC Offset Voltage 0 ± 100 mV
Damping Factor More than 100
Indicators
Clipping LED 1 kHz THD 0.1%
Signal LED Right -20 dB ± 2 dB
Signal LED Left -40 dB ± 2 dB
Dimensions 19 in (w) x 15.5 (d) x 5.25 (h)
482 mm (w) x 394 (d) x 133.35 (h)
Rackpsaces 3U
Weight 48 lbs. • 21.8 kg