SPA-4

The SPA-4 is certainly one of the simplest and inexpensive high quality mixers for zoning applications in small and medium size commercial installations. It is an ideal solution for bars, restaurants, retail outlets, offices, and all other venues where up to four different areas need to be controlled individually.

  • 4 Independent zones
  • 4 Mic/Line + 1 stereo IN
  • Full routing and monitoring
  • 2 priority modes
  • DC 24V power supply mode

 

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The SPA-4 is certainly one of the simplest and inexpensive high quality mixers for zoning applications in small and medium size commercial installations. It is an ideal solution for bars, restaurants, retail outlets, offices, and all other venues where up to four different areas need to be controlled individually. The SPA-4 is very easy to use. No computer, no software, no sophisticated technology, just an analog device with simple and intuitive settings. Every single source from channel 1 to 5 can be routed to one of the four outputs just by pressing a switch. The control of the signal input is limited to high and low EQ plus gain and volume. In case of long distances between de device and the line speakers, it is possible to monitor the signal send to each output through a dedicated speaker terminal on the rear panel.   The four main inputs feature Combo connectors with balanced Mic/Line level. A switch can select the type of source and a phantom power for electret microphones. Two RCA connectors are used for the stereo signal of the channel 5. Line outputs are available on Euroblock connectors for easy interfacing with other installed equipment.   The SPA-4 is equipped with a simple paging function triggered by microphone 1 or by a tel. signal. Priority can also be activated with a contact switch for microphones 1, 2 and 3 as well.
MODEL SPA-4
Frequency Response 20 Hz – 22kHz  ± 2 dBu
Max. Input Gain 60dB CH MIC. Input Main out (XLR, balanced)
50dB CH MIC. Input & REC. out (unbalanced)
60dB CH MIC. Input Mic. out (unbalanced)
60dB CH MIC. Input Mono out (unbalanced)
THD & N (1 kHz) <0.03%
Main Voltage 220~240VAC / 110~120VAC 50/60Hz or 24VDC
Impedance Microphone input: 1.4kΩ
All other inputs: 10kΩ or greater
All other outputs: 120Ω
Phantom power 15V
EQ Low: ± 10 dB - 100 Hz
High: ± 10 dB - 10 kHz
Monitor output 1 W rms / 8 Ω
Headphone output 0,5 W rms / 47 Ω
Connectors Inputs: Combo XLR/¼ Jacks, RCA
Outputs: Euroblock,  Screw terminals
Dimension (W x D x H) 483 x 15 x 132 mm (19’’ x 7.5’’ x 5.1’’)
Weight 2.9 kg (6.63 lbs)

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