Digital MPA II Tube Microphone Preamplifier
The all new ART Digital MPA-II delivers all of the same great features of the ProMPA with the added versatility of digital output. Like the ProMPA-II, each input circuit has 48v phantom power and features variable input impedance which can radically vary the overall performance of any high quality dynamic or ribbon microphone. The Digital MPA-II can be configured for dual mono or stereo operation with selectable mid/side mic support, summing the adjacent channel, to decode left/right signals.
The input section of the Digital MPA-II operates at either a low or high plate voltage applied to the two integrated hand-selected 12AX7 tubes for wider variation of preamp tone and performance. Large back-lit analog VU output meters display input or output levels while multi-colored LED arrays, with average or peak hold, show tube gain and digital output levels.
In addition to XLR and 1/4" analog outputs, the Digital MPA-II features a high quality A to D converter which offers digital connectivity on S/PDIF, ADAT, or AES/EBU outputs. A rotary control on the front panel allows selection of format and sample rates from 44.1 to 192 KHz and 16 bit dithering. There is also a push button for, and two wordclock jacks, allowing loop-through. The Digital MPA-II comes in a standard 2u space rack-mountable steel chassis, with CNC routed black anodized aluminum face panel.
Features- Variable Input Impedance For Flexible
- Microphone Voicing (150 Ohms To 2400 Ohms)
- Selectable Plate Voltage
- Large VU Meters
- Discrete Class-A Input Microphone Preamplifier
- Low Noise at Lower Gain Settings
- Extremely Low Total Harmonic Distortion
- Wide Frequency Response
- Additional Front Mounted Instrument Input Jack
- Supports Mid/Side Miking Technique
- Operates at +4dbm/-10dbv Output
- Automatic Instrument Input Selection
- 24-204KHz External sample rate
- 44.1K, 48K, 88.2K, 96K, 176.4K, 192K Internal sample rates
- Rotary Encoder for quick selection of sample rate
- Separate analog and digital output level controls
- Digital Level LED meters display both Average and Peak level
Specifications- Frequency Response 15Hz to 48 kHz (+0, -1dB) Normal plate voltage
- Dynamic Range: CMRR: >90dB
- Equivalent Input Noise: -129dBu (XLR, "A" weighted)
- Maximum Input Level: +19dBu (cannon)
- Weight: 12 lbs
