Samson Power Amplifier Servo 260 Bedienungsanleitung
• Rack-mount stereo power amplifier (2-space).
• 130 watts per channel into 4 ohms (stereo).
• 20 Hz to 50 kHz frequency response.
• Balanced 1/4″TRS and unbalanced RCA inputs and push-
spring terminal outputs.
•1/4″and push-spring terminal outputs.
•Turn-on muting to prevent speaker “thumps.”
•Servo protection circuitry continuously keeps DC output
during idling at or near 0 V (thus keeping idle speakers at
their 0 point).
•Protection circuitry against overheating and
overcurrent.
•High-current output power transistors.
•Unique bipolar circuit design.
•Front-panel clip, idle and protection lights.
•Independent left- and right-channel input controls with
41-position detents.
•Convection cooled (No Fan).
•All-steel chassis with new black matte titanium finish and
anodized aluminum heat sink.
SERVO 260
AMPLIFIER
POWER
The Servo 260 power amplifier is designed for
fixed installations, recording and live performance use.
Easily installed, this compact, 2-space rack-mount stereo
power amplifier delivers 130 watts per channel into a 4
ohm load, over a bandwidth of 20 Hz to 50 kHz. The
260 features high-current output power transistors with
a bipolar design and servo circuitry that continuously
keeps DC output during idling at or near 0 volts. It also
features balanced 1/4" Tip-Ring-Sleeve inputs as well as
push-spring terminal outputs, front-panel clip, idle and
protection lights and thermal and overcurrent protec-
tion circuitry. The Servo 260 is convection cooled for
silent operation, eliminating both fan noise and the
need for filter maintenance. Housed in a rugged steel
chassis, the Servo 260 uses high-quality component to
ensure safe, reliable performance in all applications.
Contact:
Samson Technologies Corp., P.O. Box 9031, Syosset, NY 11791-9031 •Phone: (516) 364-2244 •Fax: (516) 364-3888 •www.samsontech.com
∞MAX ∞MAX
CLIP
IDLE
CLIP
IDLE
PROTECTION
SERVO - 260
STUDIO AMPLIFIER 120 WATT STEREO
POWER
SAMSON
TO PREVENT SHOCK DO NOT
OPEN. NO USER SERVICABLE
PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE
PERSONNEL. TO PREVENT FIRE
OR SHOCK HAZARD DO NOT
EXPOSE TO RAIN OR MOISTURE.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
S/N
FUSE
6A/250V CAUTION !
~AC INPUT
115V/60Hz, 490W
USE CLASS 2 WIRING MINIMUM LOAD IMPEDANCE 4 ΩRIGHT LEFT
+RIGHT LEFT+
GROUND
SERVO 260 STUDIO AMPLIFIER
RIGHT LEFT
INPUTS
(BALANCED 10KΩ/0dBM)
CAUTION ; REPLACE WITH
THE SAME TYPE FUSE AS
INDICATED. UTILISER UN
FUSIBLE DE RECHANGE DE
MEME TYPE.
CAUTION
HEATSINK MAY BE HOT!
DO NOT BLOCK AIRFLOW
OR OVERHEATING MAY
OCCUR.
SAMSON
(UNBALANCED 10KΩ/0dBM)
RL
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 Ωper channel
90 W into 8 Ωper 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
UL
®
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
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