The Audio-Technica ATDM-0604A 6-Channel Digital Smart Mixer is an automatic digital mixer that utilizes gate or gain sharing technology to manage six mic/line inputs and one unbalanced stereo input.
The Audio-Technica ATDM-0604A 6-Channel Digital Smart Mixer provides automated audio management for professional environments such as conference rooms, courtrooms, and broadcast studios. This digital mixer utilizes proprietary SmartMixer technology to automatically mix channels in either gate or gain sharing mode. This process ensures consistent, high-quality audio output across all inputs while preventing feedback, excessive ambient noise, and comb filtering.
Each input channel features a high-performance acoustic echo canceler (AEC) to maintain clear communication during soft codec applications. The ATDM-0604A includes comprehensive signal processing tools, including a 4-band EQ and a compressor/de-esser for every input. Output channels benefit from noise cancellation, a 12-band parametric EQ (PEQ), a compressor, and a limiter. Eight assignable 8-band feedback suppressors further protect the signal integrity by eliminating unwanted audio artifacts from mic/line inputs and output channels.
The mixer provides six balanced mic/line inputs and one unbalanced stereo input. Output options include two balanced outputs and one unbalanced stereo output. A dedicated USB port supports stereo audio input and output for seamless integration with computer-based systems. For larger installations, the Audio-Technica LINK terminals allow users to daisy-chain up to eight mixers using Cat5e cables. This configuration enables the sharing of audio buses and SmartMix controls across an expanded setup of up to 48 channels.
Users can manage essential settings directly from the front panel, including input/output levels, gain, presets, phantom power, and low-cut filters. The front panel also allows for the adjustment of IP configurations and the activation of automatic mixing or echo cancellation without a computer. For advanced setup, the Web Remote functionality enables full control via a web browser or the Smart Mixer Manager app on Windows, Mac, iOS, or Android devices. The unit also includes a GPO terminal for remote LED control of ES954 hanging microphone arrays.
The ATDM-0604A supports IP protocol-based external remote control for integration into complex AV systems. This mixer is also fully compatible with the Barco ClickShare Conference system, ensuring streamlined operation in modern wireless presentation environments.
| Maximum Gain | 64 dB |
| Frequency Characteristics | 20 Hz to 20 kHz (MIC -16 dBu): +1.0 / -1.0 dB 20 Hz to 20 kHz (MIC -60 dBu): +1.0 / -2.0 dB 20 Hz to 20 kHz (LINE 24 dBu): +1.0 / -1.0 dB 20 Hz to 20 kHz (LINE -40 dBu): +1.0 / -2.0 dB |
| Dynamic Range | 110 dB or higher, A-weighted/ST |
| S/N Ratio | 90 dB or higher, A-weighted/ST |
| Headroom | 20 dB or higher |
| Input Referred Noise | -126 dBu or less, Rs = 150 ohm, DIN |
| Common-Mode Rejection Ratio | 80 dB or higher, 1 kHz |
| Residual Noise | -86 dBu or less, A-weighted |
| Channel Separation | -80 dB or less, 1 kHz unity |
| Total Harmonic Distortion | 0.03% or less, 1 kHz unity |
| Analog Input | MIC 1 to 6 max.: 0 dBu MIC 1 to 6 unity： -40 dBu LINE 1 to 4 max.: +10 dBV LINE 1 to 4 unity: -10 dBV LINE 5 to 6 max.: +24 dBu LINE 5 to 6 unity: +4 dBu / 0 dBV / -10 dBV / -20 dBV ST max.: +10 dBV ST unity: -10 dBV / -20 dBV |
| Analog Output | UNBAL max.: +10 dBV / -13 dBV UNBAL unity: -10 dBV / -33 dBV BAL 1/L, 2/R max.: +24 dBu / +20 dBV / +10 dBV BAL 1/L, 2/R unity: +4 dBu / 0 dBV / -10 dBV |
| Phantom Power | +48V DC |
| Power Supply | 100 to 240 V AC (50/60 Hz) |
| Power Consumption | 17 W |
| Operating Temperature | 0 to 40°C (32 to 104°F) |
| Operating Humidity Range | 25 to 85% (with no condensation) |
| Dimensions | 219.3 mm (8.6") ×346.3 mm (14") ×44 mm (1.7") (W×D×H), including protrusions |
| Weight | 1.89 kg (4.2 lbs) |
| Finish | Front panel: Black with silver lines op/rear/sides: Black |
| PAD (Attenuation Level) | -24 dB |
| I/O Connector | INPUT ST: Euroblock connectors (3-pin) INPUT MIC/LINE 1 to 6: Euroblock connectors (3-pin) OUTPUT UNBAL: Euroblock connectors (3-pin) OUTPUT BAL 1/L, 2/R: Euroblock connectors (3-pin) GPO: Euroblock connectors (3-pin) |
| Level Indicator | SIGNAL/PEAK: 1 point (Red/Yellow/Green) Peak indicate (red)： -5 to 0 dB Peak hold time: 2 sec. |
| Remote Control | IP protocol: RJ-45 × 1 pc IP address：192.168.33.102 (factory default) Communication speed: 100 Mbps |
| Network | IP protocol: RJ-45 × 1 pc |
| Link I/O | Audio-Technica LINK：RJ-45 × 4 pcs Communication speed: 100 Mbps |
| USB Type B | Channel: Stereo input x 1 ch, stereo output x 1 ch (24-bit) Communication speed: High-speed (480 Mbps) |
| A/D Converter | Resolution: 24-bit Dynamic range: 115 dB |
| D/A Converter | Resolution: 24-bit Dynamic range: 115 dB |
| Accessories Included | Euroblock connector × 11, Rack-mount (large, small), Rack-mount screw x 6, Power cable, Rubber foot x 4 |
| Length | 17 In. |
|---|---|
| Width | 13 In. |
| Height | 5 In. |
| Weight | 6 lbs |
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