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Aviom AN16/I-M
Microphone Input Module, Convert 16 Mic- or Line-level Analog Audio Channels into Full Bandwidth Digital Audio Transmitted via A-Net


The AN-16/i-M is a 3U-high rack-mounted mic- and line-level input device with sixteen high-quality microphone preamps and 24-bit A-to-D converters.
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Aviom AN16/I-M
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The AN-16/i-M is a 3U-high rack-mounted mic- and line-level input device with sixteen high-quality microphone preamps and 24-bit A-to-D converters. Each channel contains a three-segment level meter, a continuously variable gain knob, a phase reverse switch, 48-volt phantom power, and a rumble filter with an 85Hz rolloff. In addition, each pair of channels can be Stereo Linked for stereo operation in a Pro16 Monitor Mixing System.

The rear panel of the AN-16/i-M contains a host of professional connectivity features. Each channel has a combo jack that can accept either XLR mic or 1/4-inch line-level (balanced or unbalanced) inputs. Sixteen passive mic Thru connectors create a built-in microphone splitter. Balanced insert points with separate 1/4-inch Send and Return jacks allow easy interfacing with external processing devices. The sixteen insert Sends can also be used as a set of post-gain direct audio outputs. The AN-16/i-M uses an internal power supply with a standard IEC power connector.

Two parallel A-Net outputs allow the AN-16/i-M to send A-Net data to multiple destinations, allowing for simultaneous patching to a monitor console and a front-of-house console. Both A-Net outputs feature heavy duty Neutrik EtherCon combo RJ45 connectors. The built-in A-Net Expansion jack allows two 16-channel A-Net streams to be combined onto a single cable (32x0 or 16x16), and the AN-16SBR System Bridge can be used to combine up to four 16-channel streams onto a single cable in a variety of bi-directional configurations.

As with all Pro16 Series products, Cat-5e cable runs of up to 500 feet (150 meters) are possible between devices.


  • Sixteen high quality mic preamplifiers, with 24-bit A-to-D converters
  • XLR mic or 1/4-inch TRS balanced line-level inputs on combo jacks
  • 48-volt phantom power on each channel
  • Three-segment LED level meter
  • Continuously variable gain knob for each channel
  • Phase reverse switch per channel
  • Rumble filter switch (85Hz rolloff) on each channel
  • Stereo Link switch per pair of channels
  • Built-in passive mic splitter
  • Balanced insert send and return jacks (1/4-inch TRS)
  • Dual A-Net outputs
  • A-Net Expansion jack for 32x0 and 16x16 channel systems
  • Internal universal power supply; IEC power connector


  • Audio Inputs: 16, balanced mic- or line-level, XLR combo connector
  • XLR Input (mic/line): Pin 1: Ground; Pin 2: Audio+; Pin 3: Audio-
  • TRS Line Inputs, & Send/Return: Tip: Audio+; Ring: Audio-; Sleeve: Ground
  • Audio Thru: XLR; Pin 1: Ground; Pin 2: Audio+; Pin 3: Audio-
    Direct coupled passive throughput
  • Insert Send: Impedance balanced; Nominal level: 0dBu; Peak Level (A/D clip point): +14dBu
    The Insert Send connector is a line output in the signal path post gain, post filter, and post phase controls
  • Insert Return: TRS Balanced; Nominal level: 0dBu; Peak Level (A/D clip point): +14dBu
    The Insert Return connector is a line input to the signal path that is pre A/D conversion
  • Analog to Digital Conversion: 48kHz sample rate, 24 bit
  • Operating Level: +4dBu
  • Frequency Response: 4Hz-22khz
  • A-Net Output: one Category 5 (RJ45 connector)
  • A-net Expansion: one Category 5 (RJ45 connector)
  • Gain Range: Mic: +6dB to +60dB; Line: -15dB to +36dB
  • Channel LED Indicators: Signal Present and Clip, per channel
  • Line Inputs: Impedance: 48k ohms
  • Metering: LEDs; green: Signal Present, red: Clip; per channel
  • Stereo Operation: Stereo Link, per channel pair; Two-position switch (Normal, Link)
  • Maximum Input Level: Mic: +14dBu; Line +28dBu
  • Input Impedance: Mic: 2.4k ohms; Line (TRS): 33k ohms; Insert Return: 39k ohms
  • A/D Freq. Response: -0.1dB @ 20kHz (-0.4dB @ 20.0kHz, measured from Mic or Line in)
    -3dB @ 1.5Hz (-3dB @ 2.0Hz, measured from Mic or Line in)
  • THD+N: <0.003%
  • Crosstalk: -90dB
  • Bit Error Rate (BER): 10(-12)
  • Signal to Noise (unweighted): A/D: -105dB Reference = +14dBu (A/D clip point) Send jack: -113dB (Gain = minimum)
  • EIN (Equivalent Input Noise): -128dBu (Rs = 150 ohms, 20kHz BW, Gain = +60dB)
  • CMRR (Common Mode Rejection Ratio): 80dB @ 120Hz (Gain = +60dB)
  • Low Cut Filter: -3dB @ 85Hz, -18dB per octave
  • Phantom Power: +48 volts, per channel, switch with LED
  • Digital Outputs: A-Net: 2 (Main and Aux); A-Net Expantsion: 1
  • A-Net Pro16: A-Net Expansion combines two A-Net streams (32 channels of audio) onto one Cat-5e cable, uses unshielded Cat-5e UTP (or better) cable
  • Latency: <0.880 msec (measured from analog input to analog output)
  • Power Supply: Internal, universal switching type; IEC jack
  • Voltage: 100-240VAC, 50-60Hz, 60W; Fuse: 250VAC, F4AL
  • Dimensions: 19" x 9.25"; 3U high
  • Weight: 12 lbs
  • Options: AN-16SB System Bridge; used to combine up to four A-Net streams for transmission over one Cat-5e cable
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The Y1 card is a digital input module that allows users of Yamaha digital mixers to add the power of Aviom’s A-Net™ protocol to their existing systems, distributing audio via inexpensive Cat-5e cable to the A-16II Personal ...
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The PS120 can be used as a replacement power supply for: AN-16/I (TRS or EB version)AN-16/OA-16IIA-16A-16RA-16DA-16TSpecifications Input Voltage: 100-240 voltsOutput: 24VDC, 0.5APolarity: Outer=negative, Inner=positive
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