AX Audio Measurement System
MAX™ is a professional-grade, dual FFT measurement system with five microphones. It is ideal for general audio system measurements, system tuning with DSP, troubleshooting and testing equipment, and solving OEM integration challenges. MAX™ has many applications in home audio, car audio, marine audio and professional audio.
With full integration of VXi and MVi DSP controls, MAX™ simplifies your measurement setup, allowing you to perform measurements and DSP adjustments with one computer and one software application: TüN™ 4.0, which offers micro-automations that speed up equalization and channel delay setting.
What is in the Kit?
- The MAX-KIT includes the MAX™ hardware interface, five measurement microphones, a multi-mic fixture, mounting accessories, cables and power supplies, all packed in a locking, waterproof hard case.
- An optional, specialized probe kit for speaker impedance and high-voltage electrical measurements is available separately: “MAX-PROBE KIT” (90922)
- Power Supply 12 VDC nominal (10-15 VDC range)
- High-Level Inputs 1 & 2 Pin Configuration XLR (Pin 1 - GND, Pin 2 - Signal +, Pin 3 - Signal -)
- Input Impedance 73 kΩ
- Flatness ± 0.1 dB 5 Hz - 15 kHz @ 44.1 kSR, 48 kSR, 96 kSR
- Flatness ± 0.5 dB 5 Hz - 20 kHz @ 44.1 kSR
- 5 Hz - 22 kHz @ 48 kSR
- 5 Hz - 35 kHz @ 96 kSR
- Crosstalk, 5 Hz - 20 kHz ≤ – 95 dB
- Crosstalk @ 1 kHz ≤ – 110 dB
- THD @ 1 kHz ≤ 0.0012%
- THD+N, 5 Hz - 20 kHz ≤ 0.035%
- ADC headroom -4.84 dBFS @ 80 VAC peak (56.57 Vrms sine)
- Maximum DC offset level 50 VDC, Pin 2 or 3 to GND, Pin 1 - DC Unbalanced Mic Inputs (1,2,3,4,5)
- Pin Configuration Mini-XLR (Pin 1 - GND, Pin 2 - Signal +, Pin 3 - 2 VDC)
- Input Impedance 2.2 kΩ
- Flatness ± 0.05 dB 10 Hz - 10 kHz @ 44.1 kSR, 48 kSR, 96 kSR
- Crosstalk, 5 Hz - 20 kHz ≤ – 115 dB
- Crosstalk @ 1 kHz ≤ – 120 dB
- THD @ 1 kHz ≤ 0.0009%
- THD+N, 5 Hz - 20 kHz ≤ 0.01%
- ADC headroom -39.5 dBFS @ 94 dB SPL
- RCA Balanced (Reference Input)
- Pin Configuration RCA Female (Center Pin - Signal +, Shell - Signal –)
- Input Impedance ~ 100 kΩ
- Flatness ± 0.1 dB 5 Hz - 15 kHz @ 44.1 kSR, 48 kSR, 96 kSR
- Flatness ± 0.5 dB 5 Hz - 20 kHz @ 44.1 kSR
- 5 Hz - 22 kHz @ 48 kSR
- 5 Hz - 35 kHz @ 96 kSR
- THD @ 1 kHz ≤ 0.005%
- THD+N, 5 Hz - 20 kHz ≤ 0.035%
- S/PDIF Digital Input (Optical)
- Connector TOSLINK
- Sample Rates 8 kHz - 216 kHz
- Bit Depths 8 - 24 bit PCM
- Microphones Size, Type 1/4", pre-polarized electret (omnidirectional)
- Flatness ± 1 dB 50 Hz to 10 kHz @ 44.1k SR, 48k SR, 96k SR
- Flatness ± 2 dB 5 Hz to ≥ 20 kHz @ 44.1k SR, 48k SR, 96k SR
- Maximum Input SPL 130 dB SPL @ 1 kHz with ≤ 2% THD
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