HX-3 Specifications

Frequency Response
  • 10 Hz – 50 kHz, -±1.0 dB, any input to any output, gain controls set to 50%

Voltage Gain
  • 34 dB from balanced line to headphone output, 35 dB from headphone input to headphone output

Output Clipping Level
  • +18 dBu minimum with 600 ohm load, +16 dBu minimum with 300 ohm load

Headphone Output Impedance
  • 200 ohms

Input Clipping Level
  • XLR: +24 dBu minimum
  • 1/4-inch and 1/8-inch inputs: +22 dBu minimum

Dynamic Range (balanced line inputs)
  • 0.03% maximum (from 10 Hz to 22 kHz @ +10 dBu input and output level, 300 ohm load, 10 Hz – 22 kHz filter bandwidth)

Inputs
  • XLR: electronically balanced, 22k ohm input impedance, 1/4-inch unbalanced: 9.1k ohm impedance
  • 1/8-inch unbalanced: 9.1k ohm impedance.

Internal Voltage Rails
  • ±15 V, regulated

Power Source
  • Internal: 2 AA alkaline batteries, 18 hours life typical with nominal levels. External: 5 – 17 VDC via threaded coaxial connector (5.5 mm outer diameter, 2.1 mm inner diameter), pin positive, sleeve negative.

Power LED
  • Green indicates power and good battery. Red indicates power with low batteries. LED turns red when ~ 4 hours of battery life remain.

Operating Temperature Range
  • 0 to 70 degrees C
  • 32 to 160 degrees F

Dimensions
  • 43 mm x 94 mm x 140 mm (h x w x d) (1.7″ x 3.7″ x 5.5″)

Weight (unit only)
  • 0.56 kg
  • 1.24 lbs

Included Accessories
  • 1/4-inch to 1/8-inch trs interconnect cable, rubber feet (4), locking DC jack