ARCHITECT’S & ENGINEER’S

SERVO 550 SPECIFICATIONS

SPECIFICATION

 

The power amplifier shall be capable of stereo or mono bridged operation. In stereo mode, it shall deliver a minimum of 175 watts into loads of 8 ohms each with both channels operating, or 275 watts into loads of 4 ohms each with both channels operating. In mono bridge mode, it shall deliver a minimum of 550 watts into an 8 ohm load. It shall be passively cooled, and shall have internal short-circuit and thermal protection circuitry. A protection LED indicator shall activate and the power amplifier shall shut down to protect against short circuits, overheating, severe overcur- rent 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 balanced 1/4″ tip-ring-sleeve connectors and outputs shall be on 1/4″ phone connectors and on binding post terminals. The front panel shall have independent level controls for left and right channels, a mas- ter power switch and LED indicators for clip, idle and ampli- fier protection.

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 838 watts (115 Vac) and 975 watts (230/240 Vac). The dimensions shall allow for stan- dard 19″ EIA rack mounting. It shall be 5.2″ (132 mm; 3 rack spaces) high and 9.2″ (234 mm) deep. Weight shall be

32.4lb. (14.7 kg). The power amplifier shall carry a three- year warranty.

The power amplifier shall be a SAMSON SERVO 500.

Output Power (typical all channels driven):

 

 

4 Ω , 1 kHz, 1% THD, 324 W

 

 

4 Ω , 1 kHz, 0.5% THD, 275 W

 

 

8 Ω , 1 kHz, 1% THD, 235 W

 

8 Ω

, 1 kHz, <.019% THD, 175 W

 

8 Ω bridged, 1 kHz, 1% THD, 650 W

 

8 Ω bridged, 1 kHz, < .08% THD, 550W

Frequency Response (-3 dB):

<10 Hz to 85 kHz ±3 dB

Frequency Response (1 watt):

20 Hz to 20 kHz, -.4/-.25

Crosstalk (adj. channels):

-74 dB, 1 kHz @ rated output

Distortion (THD+N, 20 Hz to 20 kHz) (80 kHz LPF):

at rated power:

 

< .06%

at 1 watt:

 

< .05%

Sensitivity (level control at maximum):

+4 dBu

Damping Factor (8 Ω

):

> 100

Dynamic Range:

 

100 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:

 

19″ (w) x 5.2″ (h) x 9.2″ (d)

 

482mm (w) x 132mm (h) x 234mm (d)

Weight:

 

32.4 lb / 14.7 kg

 

FREQUENCY RESPONSE

 

0 dB ref

AUDIO PRECISION Servo 550 LEVEL (dBr) & THD+N (%) vs FREQ (Hz)

 

 

 

THD

5.0000

 

 

 

1.000

 

 

 

 

Ap

4.0000

 

 

 

.9000

3.0000

 

 

 

.8000

2.0000

 

 

 

.7000

1.0000

 

 

 

.6000

0.0

 

 

 

.5000

-1.000

 

 

 

.4000

-2.000

 

 

 

.3000

-3.000

 

 

 

.2000

-4.000

 

 

 

.1000

-5.000

 

 

 

0.0

20

100

1k

10k

50k

U® L

Specifications subject to change without notice. ©1998 Samson

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Samson Servo 550 manual Frequency Response
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Servo 550 specifications

The Samson Servo 550 is a high-performance amplifier designed for professional audio applications, providing a robust and reliable solution for live sound reinforcement, monitoring, and installation purposes. Its combination of power, efficiency, and advanced features makes it a popular choice among audio engineers and event organizers.

One of the standout features of the Samson Servo 550 is its impressive power output. With a peak power rating of 550 watts into 4 ohms, the amplifier is capable of driving a wide range of speakers, making it suitable for both small and medium-sized venues. This ample power ensures that even during demanding performances, the audio remains loud, clear, and distortion-free.

The Servo 550 employs advanced circuitry that not only enhances audio quality but also improves thermal performance. It features a Class AB amplification design, which provides an excellent balance between sound fidelity and power efficiency. This design means that the amplifier can deliver rich, warm tones while minimizing power consumption, which is particularly advantageous for long-duration events.

Additionally, the Servo 550 includes various input options, supporting both XLR and TRS connectors. This versatility allows for easy integration with different audio sources, such as mixers, microphones, and instruments. The balanced inputs help to eliminate noise and interference, ensuring that the audio signal remains pristine throughout performance.

Another crucial aspect of the Samson Servo 550 is its built-in protection circuitry. This includes features like short-circuit protection, thermal overload protection, and a signal LED display that provides real-time feedback regarding the status of the amplifier. Such safety measures not only prolong the lifespan of the device but also provide peace of mind for users during critical performances.

The amplifier also features front-mounted controls, including gain knobs for each channel, allowing for easy adjustments on the fly. Additionally, the lightweight design of the Servo 550 makes it portable and easy to transport, enhancing its utility for traveling sound professionals.

In summary, the Samson Servo 550 is a versatile, powerful, and reliable amplifier designed to meet the demands of professional audio applications. Its blend of high power output, advanced protection technologies, and user-friendly features makes it an essential tool for anyone looking to deliver exceptional sound quality. Whether for live performances or fixed installations, the Servo 550 stands out as an exceptional choice.
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