COM108

Public Address Amplifier 80W 100V

1
Compact design
2
Table top or half rackspace installation
3
Unbalanced stereo line input
4
Microphone input
5
Priority audio inputs with phantom power
6
Terminal block output connections
7
Low impedance & constant voltage output
8
Class-D amplifier technology
  1. Compact design
  2. Table top or half rackspace installation
  3. Unbalanced stereo line input
  4. Microphone input
  5. Priority audio inputs with phantom power
  6. Terminal block output connections
  7. Low impedance & constant voltage output
  8. Class-D amplifier technology

The COM108 is a compact but versatile public address mixing amplifier which offers solutions for small to medium size audio systems in commercial installations. Typical application are background music systems in retail stores, bars, restaurants and office buildings. 

The compact and simple design allows installation in any location and operation through any possible user. 

The amplifier is designed using Class-D amplifier technology and delivers an output power of 80 Watt to constant voltage (100V and 70V) or low impedance (4 Ohm) audio systems. A switch mode power supply allows compatibility with a wide variation of mains voltages for global compatibility. 

A stereo line input allows connection for a wide variation of audio sources such as media players, radio tuners, internet audio players, ... and many more. A balanced mic / line input allows connection for an announcement microphone with compatibility for condenser microphones using the integrated phantom power supply (15V). A priority switch overrides the background music when enabled, and compatibility with voice file players is guaranteed by the wide gain adjustment possibility (0 dB - +50 dB). 

The COM108 is a table-top standing device, while rack mounting in 10.5" or 19" equipment racks is possible using an optionally available mounting set (MBS310).

System specifications
Signal / Noise > 90 dB
THD+N (@ 1 kHz) < 0.5% (1/2 Rated Power)
Crosstalk (@ 1 kHz) > 70 dB
Technology Class-D
Inputs Priority mute contact
Cooling Convection cooled
Operating temperature 0° ~ 40° @ 95% Humidity
Frequency Response (± 3 dB) 20 Hz - 20 kHz
Power Supply Switching mode
Outputs Connector 4-pin Euro Terminal Block (Pitch - 5.08 mm)
Voltage / Impedance 100/ 70 V / 4 Ω
Protection Amplifier DC Short circuit
Over heating
Signal limiting
Inputs Balanced Microphone Sensitivity (1W/1m) -0 dB ~ +50 dB
Connector 3-pin Euro Terminal Block (Pitch - 3.81 mm)
Type 1 x Balanced Microphone
Unbalanced Stereo Connector RCA / 3.5 mm Jack
Sensitivity (1W/1m) -4 dB ~ 20 dB
Power Supply Operating 100 ~ 240 V AC / 50 ~ 60 Hz
Inputs Balanced Microphone Phantom Power 15 V DC
RMS Power @ 4 Ω 1 x 80 W
Product features
Dimensions 8.56 x 1.72 x 11.81 " (W x H x D)
Weight 6.61 lb
Mounting 1/2 19” / 1 HE or tabletop
Construction Steel
Colours Black
Accessories Optional 19” Rackmount adapter

Product

  • How is the power consumption of amplifiers tested & indicated?

    As the power consumption of an amplifier, strongly depends on how hard the amplifier is driven, measurements are provided for various loads: idle, 1/8 of average full power, 1/3 of average full power, and full power.

    Idle 
    Current draw at idle or with very low signal level

    1/8 Power: Pink Noise
    Amplifiers are tested using pink noise signals to simulate real-world speech and music signals.  It approximates operating with music or voice with light clipping and represents the amplifier's typical "clean" maximum level, without audible clipping. This 1/8 power signal provides a very good approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven as loud as possible without clipping the amplifier.

    1/3 Power: Pink Noise
    1/3 Power Pink Noise is similar to 1/8 Power Pink Noise, except that it is a significantly more powerful input signal. It approximates operating with music or voice with very heavy clipping and a very compressed dynamic range. This 1/3 power signal provides an approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven loud enough to clip the amplifier heavily, and produce severe, audible distortion.

    Full Power
    Current draw at full power is measured with a sine wave at its maximum possible level. However, it does not represent any real-world operating condition and represents the absolute extremes that an amplifier could ever experience.
     

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