Excellence in Broadcast

Ward Beck AMS222

The AMS222 is a rackmountable 2-channel networked mic preamplifier. This 1RU device is both AES67 and SMPTE2110-30 compliant. The AMS222 has two mics to network input, speaker outputs, a headset output, and volume control.

Equipped with a high-quality speaker system and an exceptional headset driver, the AMS222 is a real conversation piece. Communicating with AES67 / Ravenna / ST2110 protocols, the AMS222 connects performance to producers, voices to ears, talent to task, and audio with networks. Remote control via AES70 allows level adjustment, filter insertion, phantom powering, local mixing, and more. Once digitized and packetized, the microphone signals are ready to be distributed on modern production AES67 / Ravenna / ST2110 networks. Audio signals on the network can be received and listened to through the headset driver, or through the speakers.


• AES67 and SMPTE2110-30 compliant.
• 2 networked mic inputs
• Volume control
• Speaker output
• Headset output
• Information display screen

GENERAL
• Power supply: 36W Max., +12VDC/3A adaptor
• Operation temperature: 0˚C to 40˚C
• Physical size: 1.73” H x 17.00” W x 8.50” D
• Weight: 5.75 lbs

USER CONTROLS
• Local full-colour LCD with 5 navigation buttons and 1 mute button
• Remote audio network controller (AES70)
• INPUTS/OUTPUTS
• Audio inputs: 2-ch MIC balanced inputs, XLR female, 2-ch line balanced inputs, ¼” TRS audio jack, 2-ch digital inputs from AES67 network, RJ45
• Audio outputs: 2-ch balanced analogue line output, terminal blocks, 2-ch digital outputs to AES67 network, RJ45

MIC/LINE INPUT SPECIFICATIONS
• MIC Phantom power: +48V
• MIC input PAD: -20dB
• Max. MIC input level: +21dBu with PAD off, +41dBu with PAD on
• MIC input gain range: -14.4dB, -6.4dB to +68.6dB in 1dB step
• MIC input impedance: 2.1kΩ (PAD on)
• Max. line input level: +34.6dBu
• Line input gain range: -8dB, 0dB to +56dB in 1dB step
• Line input impedance: 11.5kΩ
• A/D resolution: 24 bits
• Sampling frequency: 44.1kHz, 48kHz, 96kHz
• A/D THD+N: 0.00089%(-101dB), (997Hz, @-1dBFS)
• A/D dynamic range: 118dB (A-weighted, 20Hz – 20kHz)
• Frequency response: ±0.1dB (20Hz – 20kHz, @-1dBFS)

DSP PROCESSING
• High pass filter: 120Hz, 12dB/octave roll-off, 18dB/octave roll-off
• Input gain/master gain: -12dB to +12dB in 1dB step
• Bass tone control: cut-off frequency 350Hz, gain = -12dB to +12dB
• Treble tone control: cut-off frequency 3.5kHz, gain = -12dB to +12dB
• Audio meter: PPM (IEC10268-10, IEC10268-18)

BALANCED LINE OUTPUT SPECIFICATIONS
• D/A resolution: 24 bits
• Sampling frequency: 44.1kHz, 48kHz, 96kHz
• D/A THD+N: 0.00054%(-105dB), (997Hz, @0dBFS)
• D/A dynamic range: 118.5dB (A-weighted, 22Hz – 22kHz)
• Frequency response: +0.1/-0.4dB, 20Hz – 20kHz
• Output impedance: 100Ω balanced
• Alignment (SMPTE RP155): -20dBFS = +4dBu
• Max. balanced line output level: +27dBu

AUDIO MONITOR
• Class: AB
• Loudspeakers: 10W x 2
• Headphone: ¼” TRS headphone jack

NETWORK
• AOIP: AES67
• Minimum audio packet latency: 1.0ms
• Ethernet: 100Base-T