Goldline APT2B Polarity/Phase Detector

The Goldline APT2B is the balanced version of the APT2.

List Price: $406.00
Sale Price: $347.42
The Goldline APT2B offers all the features and convenience of the original APT2 plus balanced outputs and inputs.

  • Inputs, Balanced - APT2B:
  • PG - None
  • APT - ¼" Phone jack - auxiliary microphone input - impedance 20k ohms
  • 3Pin Female XLR - auxiliary microphone input - impedance 20k ohms
  • Outputs, Switchable - APT2B:
  • PG - ¼" Phone jack - Unbalanced - to drive loudspeaker directly - impedance 4 - 16 ohms
  • 3Pin Male XLR - Unbalanced - to drive loudspeaker directly - impedance 4 - 16 ohms
  • OR
  • ¼" Phone jack - Balanced - to drive amplifier directly - impedance 50 ohms
  • 3Pin Male XLR - Balanced - to drive amplifier directly - impedance 50 ohms
  • APT - None
  • APT Microphone:
  • Built-in omnidirectional electret condenser.
  • Required Acoustic Level At APT:
  • 70dBc to >110dBc.
  • APT Display:
  • Single LED for positive-going pulse polarity. 300ms ON duration.
  • Single LED for negative-going pulse polarity. 300ms ON duration.
  • PG Display:
  • Single LED positive-going pulse with 1s repetition rate.
  • PG Line Pulse Output:
  • Amplitute: APT2 - 0.4V peak typical / APT2B - 0.8V peak typical.
  • Rise time: <100 µs.
  • Fall time: 40ms typical.
  • Duty factor: 0.3% typical.
  • Battery drain: 1.1mA average.
  • PG Speaker Pulse Output:
  • Amplitute: 6.5V peak (14 watts) to 4 ohm loudspeaker.
  • Rise time: <100 µs.
  • Fall time: 1.5ms typical.
  • Duty factor: 0.15% typical.
  • Battery drain: 3.2mA with 4 ohm loudspeaker.
  • Power Requirements:
  • PG - 9V battery
  • APT - 9V battery
  • Size (W x H x D); Weight:
  • PG - 3" x 5½" x 1-3/4"; 7 oz.
  • APT - 3" x 5½" x 1-3/4"; 7 oz.
  • Case Material:
  • High impact ABS