Audio Developments AD146 18 Input/4 Output VU/PPM Studio Location and Edit Mixer, 20Hz-20kHz Frequency Response

SKU: AUD94146118

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Audio Developments AD146 Specifications

  • Max Gain

    Mic: 85, 75, 65, 55, 45, 35 dB
    Line: 50, 40, 30, 20, 10, 0 dB

  • Max Input Level

    Mic: -42, -32, -22, -12, -2, +8 dB
    Line: -7, +3, +13, +23, +33, +43 dB
    Returns: +24 dB

  • Input Impedance

    Mic: > 1k5R
    Line: > 10kR
    Returns: > 100kR

  • Mic Powering

    +48V DC and +12V DC Phantom Power
    +12V Tonader (to order)

  • Max Output

    +23.5dBm (600R Load) - A,B,C,D; Master, AUX 1,2,3,4: Transformer Balanced
    Clean Feed/Channel Out; Electronic Balanced
    +18dBm (600R Load) - Mon 1 L&R
    Mon 2: Unbalanced Stereo Jack

  • Output Impedance

    < 60R A,B,C,D; Clean Feed/CH Out
    < 20R Mon1; Mon 2 (Headphones Jack)

  • Frequency Response

    Main Signal Paths: +0; -1.5dB 20Hz to 20kHz
    Monitor Signal Paths: +0; -1.5dB 20Hz to 20kHz

  • Equalization

    LF; Shelving +/-10dB at 100Hz Variable Turnover
    Max +/-15dB at 30 Hz
    MF; Peak/Dip +/-15dB at 2k8Hz Q = 1.2 Reciprocal
    HF; Shelving +/-10dB at 10kHz Variable Slope
    Max +/-15dB at 30kHz

  • High-Pass Filter

    -3dB at 90Hz and 150Hz, 12dB/Octave Slope

  • Electrical Reference

    0dB = 775mV at 1kHz unless otherwise stated

  • Harmonic Distortion

    < 0.03% at 1kHz at 0dBu Output
    < 0.15% at 40-20kHz + 15dBm Output

  • Crosstalk

    < -70dB 40Hz to 15kHz Interchannel & Intergroup
    <-55dB 40Hz to 15kHz Between L&R On Stereo Channel

  • Noise

    < -126 dB; 20Hz-20kHz; 200R source
    > 70dB SNR; 20Hz-20kHz

  • Limiter

    Threshold: +8dB
    Ratio: 7:1
    Attack: 2ms (Set at Factory) (Variable via Internal Preset)
    Release: 250ms (Set at Factory) (Variable via Internal Preset)

  • Powering

    External AD100-09 Power Supply Unit: +/-14V DC, 4-PIN XLR
    3 W (Without Microphone Powering)

About Audio Developments AD146

The design philosophy of the team developing the Audio Developments AD146 10x4 Input/Output VU/PPM Studio Location and Edit Mixer was to create a new standard of excellence so that the professional sound recordist would have an audio mixer of sufficient quality and reliability to last decades. The slimline modules mean that the mixer is smaller than ever before and the four group outputs put this mixer in a class of its own. In addition to that, the M-S technology is built in for both recording and post production and you will conclude that the AD146 is truly a mixer for today and reflects over 35 years of dedication to high quality audio show by this company.

There are 3 input modules to choose from and they can be fitted in any position of the frame; Mic/Line, Mono Line and Stereo Line. There is also two versions of the monitor module available allowing the design to fit most situations. The AD146 presents all its input and output connectors on one surface of the case and in-line with the corresponding module. The connector panel is labeled in order that it may be read from the front of the mixer. The integral carrying handle may also be used to support the mixer at a comfortable working angle.

Audio Developments AD146 Features

  • AD146 inputs, main and auxiliary outputs are transformer balanced on XLRs
  • Separate connectors are used for microphone and line-level inputs: such is the isolation, both input signals may remain connected at all times
  • High-pass filter protects the transformer against low-frequency saturation
  • Headphones and two pairs of stereo auxiliary returns left and right appear on standard jacks
  • A 6-pin XLR carries two-way conversation between the mixer and an Outstation - boom operator, director etc
  • AD146 has four mixing busses that enable mixing and/or recording to be performed in the L-R and M-S domains simultaneously. Matrix amplifiers may be switched into the main A-B and C-D outputs
  • AD146 incorporates the M-S facilities that are now much appreciated by Audio Developments customers. Many recordists are aware of the advantages Blumlein's M-S microphone techniques have over all other microphone techniques even when recording in the L-R domain
  • Limiters which may be linked for stereo operation Limiting is indicated by a pair of LEDs
  • A pair of meters either PPMs or VUs may be switched to monitor either the main output or the monitor/PFL output and battery voltage. The meters can be illuminated
  • Frequency of the internal oscillator is selectable between 1kHz and 10kHz, its output replacing the signal on the main output (Tone)
  • Headphone monitor may be switched between main output and tape-return both with PFL override. The left, right and left + right signal paths may be routed to both contacts of the monitor-output jack
  • Via an internal microphone the operator is able to communicate with the main output (Slate) and with an outstation (Ext) - from which talkback is available, under logic control
  • Powering is provided for 48V Phantom and 12V Tonadermicrophones
  • Mixer receives its power from 10 x C cells fitted internally the battery housing adding great strength to the casework. Alternatively, power may be supplied from an external 12-15V source

Key Features

  • AD146 inputs, main and auxiliary outputs are transformer balanced on XLRs
  • Separate connectors for mic & line-level inputs
  • Separate connectors are used
  • High-pass filter protects the transformer against low-frequency saturation
  • Headphones & two pairs of stereo auxiliary returns left & right appear on standard jacks
  • 6-pin XLR