Inovonics INOmini 223

The Inovonics INOmini 223 is a versatile multimode audio processor designed to address various broadcast applications including NRSC, AM, FM, SCA, and TIS. Here’s an overview of its features and specifications:

Features:

1. Versatile DSP-Based Design:
   • User-programmable to serve multiple broadcast applications including NRSC, AM, FM, SCA, and TIS.
   • Ideal for studio use, US/NRSC AM, worldwide AM, shortwave, monaural FM, TIS, and analog SCA.
2. Audio Processing Capabilities:
   • Parametric equalizer with continuous control over frequency content.
   • Three bands of dynamic compression with selectable crossovers.
   • Gated and windowed gain-riding AGC.
   • Tight ‘lookahead’ peak control.
   • Variable EQ and pre-emphasis with protection limiting.
   • Output filtering tailored to the selected service.
3. User-Friendly Interface:
   • Easy menu/jog-wheel setup from the front panel.
   • USB connector for fast firmware updates in the field.
4. Monitoring Options:
   • Headphone jack for monitoring.

Specifications:

1. Operating Modes:
   • Supports various processing modes for NRSC-compliant AM, TIS, monaural FM, and SCA.
2. Frequency Response:
   • 20Hz – 20kHz, ±0.1dB in PROOF and Studio modes; specialized applications conform to specified cutoff characteristics.
3. Distortion:
   • 0.02% THD in PROOF mode.
4. Signal-to-Noise Ratio:
   • Better than 72dB below the limited ceiling level measured through an appropriate de-emphasis network.
5. Program Line Input:
   • Active-balanced (XLR) analog input, accepts nominal line levels between –20dBu and +20dBu.
6. Program Line Output:
   • Active-balanced (XLR) delivers output levels between –15dBu and +12dBu corresponding to 100% modulation; 200-ohm resistive source.
7. Latency:
   • 3.5ms – 4.5ms, depending on selected application.
8. Headphone Jack:
   • Front-panel (TRS) 3.5mm.
9. USB Port:
   • Front-panel connection for firmware updates.
10. Metering:
    • Input/Output/AGC Gain/Compression/Limiting.
11. Alarms:
    • Flashing front-panel indication of audio loss and AGC out-of-range.
12. Power Requirement:
    • 12VDC at 200mA (2.1mm x 5.5mm coaxial); inline switch-mode power supply included.
13. Mounting Options:
    • Optional rack adapter for mounting in a standard 19-inch, 1U rack space.
14. Size and Weight:
    • 1.6”H x 5.5”W x 5.5”D; 4 lbs. shipping weight.
15. Environmental:
    • Continuous operation at ambient temperatures between 32ºF/0ºC and 122ºF/50ºC; 0-95% relative humidity, non-condensing, altitudes to 10,000ft/3,048m.

The Inovonics INOmini 223 offers a compact yet powerful solution for audio processing in various broadcast applications, providing flexibility and high performance in a small package.