Description

The PRE220 series preamplifiers are solutions for applications where a large number (up to 8) of microphones (or other mono balanced audio inputs) need to be mixed to two output zones. The multifunctional stereo design with a total of 10 inputs allows connection for any type of audio source such as microphones, Bluetooth devices or line level audio sources.

Inputs one up to eight are balanced, allowing the connection of microphones or line level audio sources with the ability of enabling 48V phantom power to each input. They feature 3-band tone control and talk-over for priority announcements. The other two (9 and 10) inputs are unbalanced stereo line inputs allowing connection of any type of line level audio source.

An integrated Bluetooth receiver and a front panel 3.5mm jack offers convenient wired or wireless connection possibilities for mobile and portable devices including laptops, smartphones and tablets. The front panel includes a master volume control with 2-band tone control and LED VU bar for each output.

Each input section is accommodated with input mixing dials and output selection switches. A priority mute for each zone output suppresses all (non-priority) music sources in case of contact closure, allowing linking autonomous alarm systems.

• 2 Balanced stereo line outputs
• 2 unbalanced stereo line inputs
• 8 x Microphone input
• 2 x priority mute contact
• Front 3.5mm Jack (mixed with Ch 2)
• Integrated Bluetooth receiver

• Technical specifications

  System specifications

  Inputs				Bluetooth receiver
  				Front 3.5mm Jack (mixed with Ch 2)
  				Priority mute contact
  		Microphone		Signal Noise		> 80 dB
  		Line		Signal Noise		> 100 dB
  		Balanced Microphone		THD+N (@ 1 kHz)		< 0.05 dB
  		Line		THD+N (@ 1 kHz)		< 0.01 dB
  Frequency		Response (± 3 dB)			20 Hz – 20 kHz
  Power		Supply			100 ~ 240 V AC 50 ~ 60 Hz
  Inputs		Balanced Microphone		Type		8 x Balanced Microphone
  		Unbalanced Stereo		Type		2 x Stereo Unbalanced Line
  Outputs		Balanced Stereo		Type		2 x Balanced Stereo outputs
  Inputs		Microphone		Phantom Power		48 V DC

  Product Features

  Dimensions		482 x 88 x 335 mm (W x H x D)
  Unit height		2 HE

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