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ARCHITECT’S & ENGINEER’S
SPECIFICATION
The power amplifier, being of two channels, shall
deliver a minimum of 90 W into loads of 8 ohms each with
both channels operating, or 130 W into loads of 4 ohms
each with both channels operating. It shall be passively
cooled, 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 balanced 1/4
″ Tip-Ring-Sleeve con-
nectors and outputs shall be on 1/4
″ phone connectors and
on push-spring terminals. The front panel shall have indepen-
dent level controls for left and right channels, a master power
switch and LED indicators for Clip, Idle and amplifier pro-
tection.
The power amplifier shall have a frequency response
of 20 Hz to 50 kHz, signal-to-noise equal to or greater than
103 dB and THD less than 0.03%. Total power consumed at
full audio power shall be 490 W (115 Vac) and 490 W
(230/240 Vac). The dimensions shall allow for standard 19
″
EIA rack mounting. It shall be 3.5″ (88 mm; 2 rack spaces)
high and 9.5
″ (240 mm) deep. Weight shall be 17.6 lb. (8
kg). The power amplifier shall carry a three--year warranty.
The power amplifier shall be a SAMSON SERVO 260.
Rated Output Power (1 kHz): 130 W into 4 Ω per channel
90 W into 8 Ω per channel
Signal-To-Noise Ratio: 103 dB
Frequency Response: 20 Hz to 50 kHz
THD+N, 20 Hz to 20 kHz: < 0.03%
Input Sensitivity: 0 dBm to achieve rated power
(Level control set to maximum)
Crosstalk (at 7 kHz sine wave): 85 dB typical
Power Requirements: 115 Vac • 50/60 Hz
Power Consumption (at full power): 490 W (115 Vac)
490 W (230/240 Vac)
Dimensions: 3.5
″ (h) x 19″ (w) x 9.5″ (d)
88 mm (h) x 482 mm (w) x 240 mm (d)
Weight: 17.6 lbs. • 8 kg
SERVO 260 SPECIFICATIONS
U
L
®
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
100
1k
10k
50k
Ap
AUDIO PRECISION Servo 260 LEVEL(dBr) & THD+N(x) vs FREQ(Hz)0dB ref
1.000
.9000
.8000
.7000
.6000
.5000
.4000
.3000
.2000
.1000
0.0
FREQUENCY RESPONSE
Specifications subject to change without notice. ©1998 Samson