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Alice 1228 MK4 12-channel analogue mixing desk for studio and broadcast use
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Alice 1228 MK4 12-channel analogue mixing desk for studio and broadcast use

Alice 1228 MK4 – 12-Channel Analogue Mixing Desk for Studio and Broadcast Use

Alice 1228 MK4 is a 12-channel analogue mixing desk with transformer-balanced mic/line inputs, Class A microphone amplifiers, channel EQ, bus limiters and studio monitoring controls.

Alice 1228 MK4 – 12-Channel Analogue Mixing Desk for Studio and Broadcast Use combines twelve mono microphone/line channels with hands-on analogue control. Transformer-balanced inputs, discrete Class A microphone amplifiers and channel equalisation provide a signal path for voice, music and programme production. This page describes the twelve-mono-channel version; alternative mono/stereo configurations must be specified separately.

Transformer-Balanced Mic and Line Inputs

The twelve-channel configuration accommodates microphone and mono line sources through transformer-balanced inputs. Discrete Class A microphone amplifiers provide the input gain stages, with 48 V phantom power available for compatible microphones. Confirm the phantom-power switching arrangement and connector schedule when specifying the desk for an existing studio installation.

Channel EQ and Analogue Bus Limiting

Alice 1228 MK4 provides Baxandall-style channel equalisation with a sweepable mid band. EQ bypass allows comparison between the adjusted signal and the unequalised source. A passive mix bus feeds discrete transistor bus limiters with threshold controls, bypass switching and activity indication, placing level-control facilities within the analogue mixing workflow.

Monitoring and Studio Integration

PFL and illuminated VU meters support signal checking, while dim, mono and polarity-reverse functions assist monitoring. Loudspeaker and headphone outputs provide separate monitoring connections. Auxiliary sends and additional line returns support external equipment, with the exact routing and pre/post-fader arrangements to be confirmed against the supplied configuration.

A steel chassis, vertical plug-in circuit boards and an internal switch-mode power supply form the desk’s construction. Specify any broadcast-control requirements, mounting arrangements and supplied accessories before ordering rather than assuming they are included.

Basic Specifications

  • Model: Alice 1228 MK4.
  • Configuration: twelve mono microphone/line channels.
  • Signal path: analogue.
  • Mic/line inputs: transformer-balanced.
  • Microphone amplifiers: discrete Class A.
  • Phantom power: 48 V.
  • Channel EQ: Baxandall-style with sweepable mid band.
  • EQ bypass: provided.
  • Mix processing: discrete transistor bus limiters.
  • Metering: illuminated VU meters with PFL monitoring.
  • Monitoring controls: dim, mono and polarity reverse.
  • Construction: steel chassis with plug-in circuit boards.
  • Power supply: internal switch-mode design.
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