"MAP II" Multiband Audio Processor

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THIS PRODUCT IS NO LONGER IN PRODUCTION.

The Inovonics MAP II is a second-generation multiband broadcast audio processor designed primarily for AM and AM-stereo service. The MAP II functions to enhance percieved signal loudness and thus extend the effective area of station coverage.

Features


  • Selectable High-Pass Filter

  • Gated A.G.C.

  • Multiband Compression

  • Phase Follower

  • Integrated Peak Controller

  • Asymmetrical Modulation

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Specifications


Frequency Response (when set “flat”)

±1 dB, 50Hz-15kHz

Distortion (at any operating point)

<0.3% above 200Hz; <1.0% at 50 Hz

Noise

Better than 65dB below 100% modulation

Output

Balanced, 0 to +20dBm; +24dBm clipping level

Power Requirements

100/120/220/240 VAC, 30W; 50/60Hz

Size and Weight

7 x 19 x 9”, 16 lbs.

RDS Subcarrier Injection Level

Continuously adjustable between 1% and 10% of total carrier modulation.

Remote Data Frame Selection

Encoder accepts TTL logic, NPN transistor saturation, or switch contact closure to ground to add selected frame(s) to the autosequence routine.

Dynamic Data Interface

The 1-byte-wide parallel data bus (DB-25 connector) may be cabled directly to the LPT (parallel) port of an IBM-compatible computer for dynamic, on-line control of the 710 Encoder.

Power Requirements

105–130VAC or 210–255VAC, 50/60Hz; 15 watts

Size and Weight

1¾”H x 19”W x 7”D (1U); 7 lbs (shipping)

Documentation