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:
- 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.
- 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.
- User-Friendly Interface:
- Easy menu/jog-wheel setup from the front panel.
- USB connector for fast firmware updates in the field.
- Monitoring Options:
- Headphone jack for monitoring.
Specifications:
- Operating Modes:
- Supports various processing modes for NRSC-compliant AM, TIS, monaural FM, and SCA.
- Frequency Response:
- 20Hz – 20kHz, ±0.1dB in PROOF and Studio modes; specialized applications conform to specified cutoff characteristics.
- Distortion:
- 0.02% THD in PROOF mode.
- Signal-to-Noise Ratio:
- Better than 72dB below the limited ceiling level measured through an appropriate de-emphasis network.
- Program Line Input:
- Active-balanced (XLR) analog input, accepts nominal line levels between –20dBu and +20dBu.
- Program Line Output:
- Active-balanced (XLR) delivers output levels between –15dBu and +12dBu corresponding to 100% modulation; 200-ohm resistive source.
- Latency:
- 3.5ms – 4.5ms, depending on selected application.
- Headphone Jack:
- Front-panel (TRS) 3.5mm.
- USB Port:
- Front-panel connection for firmware updates.
- Metering:
- Input/Output/AGC Gain/Compression/Limiting.
- Alarms:
- Flashing front-panel indication of audio loss and AGC out-of-range.
- Power Requirement:
- 12VDC at 200mA (2.1mm x 5.5mm coaxial); inline switch-mode power supply included.
- Mounting Options:
- Optional rack adapter for mounting in a standard 19-inch, 1U rack space.
- Size and Weight:
- 1.6”H x 5.5”W x 5.5”D; 4 lbs. shipping weight.
- 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.
