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The power amplifier, being of four channels, shall
deliver a minimum of 60 watts into loads of 4 ohms, or
120 watts into loads of 8 ohms when in the bridged
mode, or 120 watts + 60 watts + 60 watts (one side
bridged). It shall be passively cooled, and shall have inter-
nal short-circuit and thermal protection circuitry. A pro-
tection LED indicator shall activate and the power amplifi-
er shall disconnect the amp loads to protect against short
circuits, overheating, severe overcurrent conditions 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 1/4
″ Tip-Ring-Sleeve balanced phone connec-
tors and unbalanced RCA gold-plated connectors. Outputs
shall be on insulated binding post connectors.The front
panel shall have 4 independent level controls, each with a
level indicator, a master power switch and amplifier pro-
tection LED.
The power amplifier shall have a frequency response
of 10 Hz to 85 kHz (-3 dB), 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 360 W (120
Vac/60 Hz) and 395 W (220 Vac/50 Hz)). The dimensions
shall allow for standard 19
″ EIA rack mounting or 17.5″
(444 mm) wide without rack ears. It shall be 3.25″ (82.5
mm; 2 rack spaces) high and 10.75
″ (273 mm) deep.
Weight shall be 25 lb. (11.3kg). The power amplifier shall
carry a three-year warranty.
The power amplifier shall be a SAMSON SERVO 4060.
Output Power (typical all channels driven):
4 Ω, 1 kHz, 1% THD, 86 W
4 Ω, 1 kHz, .0072% THD, 60 W
8 Ω, 1 kHz, 1% THD, 57 W
8 Ω, 1 kHz, .0046% THD, 47 W
8 Ω bridged, 1 kHz, 1% THD, 171 W
8 Ω bridged, 1 kHz, < .013% THD, 142 W
Frequency Response (-3 dB): <10 Hz to 85 kHz
Frequency Response (1 watt): 20 Hz to 20 kHz, -0/-.2
Crosstalk (adj. channels): -82 dB, 1 kHz @ rated output
Distortion (THD+N, 20 Hz to 20 kHz) (80 kHz LPF):
at rated power: < .08%
at 1 watt: < .05%
Sensitivity (level control at maximum): +4 dBu
Damping Factor (8 Ω): > 180
Dynamic Range: 80 dB below rated output
(20 Hz to 22 kHz B.P.F.)
Input Impedance: >10 k Ω balanced/> 10 k Ω unbalanced
Power Consumption: 360 W @ 120 V/60 Hz
395 W @ 220 V/50 Hz
Dimensions: 17.5
″ (w) x 3.25″ (h) x 10.75″ (d)
444 mm (w) x 82.5 mm (h) x 273 mm (d)
Weight: 25 lb / 11.3 kg
ARCHITECT’S & ENGINEER’S
SPECIFICATION
SERVO 4060 SPECIFICATIONS
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
0.0
.1000
.2000
.3000
.4000
.5000
.6000
.7000
.8000
.9000
1.000
10
100
1k
10k
50k
Ap
AUDIO PRECISION servo 4060/4120 THD +N (%) & LEVEL (W) vs FREQ (Hz)
0dB ref THD
Specifications subject to change without notice. ©1998 Samson
FREQUENCY RESPONSE