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  9. Samson Power Amplifier Servo 4060 User manual

Samson Power Amplifier Servo 4060 User manual

• Rack-mount 4-channel power amplifier (2-space).
• 60 watts per channel into 4 ohms (quad).
• 120 watts into 8 ohms (stereo bridge mode).
• 20 Hz to 50 kHz frequency response.
• Balanced 1/4″and unbalanced RCA inputs.
•Binding post outputs.
•Turn-on muting to prevent speaker “thumps.”
•Servo circuitry protection against overheating and over-
current.
•High-current output power transistors.
•Efficient bipolar circuit design continuously keeps DC
output during idling at or near 0 V (thus maintaining idle
speakers at their 0 point).
•2 Front-panel protection LEDs, four 3-color LED meters,
four separate volume controls.
•Four independent left- and right-channel input controls
with 41-position detents.
•Convection cooled (No Fan).
•All-steel chassis with lightweight anodized aluminum heat
sink.
•3 Year warranty.
SERVO 4060
AMPLIFIER
POWER
The Servo 4060 power amplifier is designed for
recording, live performance, distributed sound and other
permanent A/V contracting applications. This easily
installed 2-space rack-mount quad power amplifier deliv-
ers 60 watts per channel into a 4 ohm load (in stereo
bridge mode, 120 watts into 8 ohms per pair), over a
bandwidth of less than 10 Hz to 85 kHz. The four 60
watt amplifiers can be bridged separately to provide two
120 watt amps or one 120 watt amp and two 60 watt
amps. The 4060 includes high-current output power tran-
sistors and an efficient bipolar circuit design that continu-
ously keeps DC output during idling at or near 0 volts. It
also features balanced 1/4″and RCA inputs and binding
post outputs on the rear panel. The front panel includes
two front-panel protection LEDs, four 3 color LED meters,
four independent volume controls and thermal and over-
current protection circuitry. The Servo 4060 is convection
cooled for silent operation.
Contact:
Samson Technologies Corp., P.O. Box 9031, Syosset, NY 11791-9031 •Phone: (516) 364-2244 •Fax: (516) 364-3888 •www.samsontech.com
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN !
USE CLASS 2 WIRING
AVIS;
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE.
emc
EUR . USA . JPN
BRIDGE
OFF ON
CH4 R CH3 R
CH4 CH3
4Ω120W
MAX. LOAD
-++-
CH2 L CH1 L
-++-
BRIDGE
OFF ON
SAMSON
SERIAL NUMBER
SERVO 4060
QUAD AMPLIFIER
SAMSON TECHNOLOGIES CORP., U.S.A.
AC
INLET USA & CANADA 115V - 60Hz
EUROPE & UK 230V - 50Hz
650W MAX.
CAUTION:
DISCONNECT SUPPLY CORD
BEFORE CHANGING FUSE.
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE, REPLACE
ONLY WITH SAME TYPE OF FUSE.
ATTENTION:
DEBRANCHER AVANT DE
REMPLACER LE FUSIBLE.
UTILISERUN FUSIBLE DE
RECHANGE DE MEM TYPE.
USA & CANADA
T 8A/125V (115V)
EUROPE AND UK
T 6.3A/250V (230V)
FUSE
-+ +-
MONO 8Ω
-+
CH2 CH1
4Ω120W
MAX. LOAD
-+ +-
MONO 8Ω-
+
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 Ωbridged, 1 kHz, 1% THD, 171 W
8 Ωbridged, 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 Ωbalanced/> 10 k Ωunbalanced
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

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