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Samson Servo 300

Professional 19" 2-Unit Stereo Power Amplifier

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List price $349.99

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$279.99

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The Servo 300 is a great choice for powering a small to medium sized PA, or an intergrated conference room audio system.The Servo 300 features large 10-segment 3-color level LED meters and independent channel volume controls. The rear panel includes 1/4-inch balanced and RCA input connectors, as well as 5-way binding post and 1/4-inch speaker outputs. The Servo amp line also features a 4-stage power protection circuitry that ensures optimal performance and protection of connected components.

Product Features

  • Rugged servo-controlled 2-space 19" rackmount power amp
  • 150 watts per channel @ 4 ohms (stereo)
  • 300 watts into 8 ohms (bridged mono mode)
  • Frequency Response: 20-50,000 Hz
  • Electronically balanced 0.25" inputs plus RCA connectors
  • 5-way Binding Post and 0.25" outputs
  • Relay-controlled circuitry prevents speaker thumps
  • Front-panel clip, idle, protection and power LED lights
  • Unique bipolar output stage for enhanced audio performance
  • Independent left/right input level controls with 41 detents for precise level matching
  • Twin internal wind tunnels with forced-air cooling provide quiet performance in critical applications
  • All-steel chassis with lightweight anodized aluminum heat sink and matte black finish
  • 2-unit rack space design
  • 1-year Manufacturer's warranty

Power Specifications

Number of Channels
This is the number of channels that the professional amplifier is designed to power.
2 Channels
Continuous Power @ 8 ohm
This is the continuous (RMS) power output of the amplifier at an 8 ohm impedance.
100 watts x 2 channels
Continuous Power @ 4 ohm
This is the continuous (RMS) power output of the amplifier at an 4 ohm impedance.
150 watts x 2 channels

Amplifier Specifications

Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

AB
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
102 dB
Frequency Response
The range of frequencies the amplifier will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 20,000 Hz
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.01%
Voltage Gain
This is the voltage gain of the amplifier measured in decibels.
33 dB
Cooling Options
These are the different cooling systems used in the amplifier to keep it cool.
Cooling Fan
Inputs
These are the type of input connections that the amplifier has.
1/4" TRS
RCA
Outputs
These are the types of output connections that the amplifier has.
1/4" TRS
Binding Posts

Physical Specifications

Height
The height of the item, measured from top to bottom, in inches.
3.5"
Width
The width of the item from left to right (side-to-side) measured in inches.
19"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
11.7"
Weight (Pounds)
This is the weight of the item in pounds (lbs).
20 lbs
Rackmount Spaces
This is the total number of spaces that the preamplifier will occupy when mounted on a rack.
2U

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
Todd

Sylmar, CA

Overall
Durability
Value
Features
Design
Usability
Awesome sound great power!!!

April 25, 2014

Good power multiple wiring ways great amp for the value. Use it and you will love it.

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Product Summary

Manufacturer

Model Number

Servo 300

UPC

809164005476

Weight

25.00lbs

Internal SKU

servo300

Internal Product ID

79193

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Samson Servo 300