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QES Labs HPBA-2 Owner's Manual

Balanced headphone amplifier
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HPBA-2
Balanced Headphone Amplifier
Rev. 6
Owner's Manual
1

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Summary of Contents for QES Labs HPBA-2

  • Page 1 HPBA-2 Balanced Headphone Amplifier Rev. 6 Owner’s Manual...
  • Page 2 1. INSTALLATION Check that the unit is OFF. Connect power mains cable to an earthed receptacle, connect the headphones connectors, and the audio cables in the line in connectors on the rear panel. Check that each connector from cables is firmly inserted into the one on front or rear panel.
  • Page 3 5. METERS The VU meters are analog type, and show actual output level on a 300 load. When the needle is on the 0VU indication, there’s a 1 milliwatt signal going through your headphones (0.548 Vrms). 6. SPECIFICATIONS Frequency response, 300 load, both channels active: 1.5Hz –...
  • Page 4 QES Labs warrants this product against defects in material or workmanship for a period of two years from the date of original purchase. QES Labs will repair or replace the defective product at its option if returned within the warranty period to our designated service facility.