Page 7 of 19
HA1M Headphone Amplifier
Handbook Contents
Issue 1,
Description
Page No.
Contents
IMPORTANT SAFETY INSTRUCTIONS ........................................................................................................................ 3
PRODUCT WARRANTY:
...................................................................................................................................................... 6
OVERVIEW
.......................................................................................................................................................................... 8
PHYSICAL INSTALLATION
................................................................................................................................................. 9
AUDIO BLOCK DIAGRAM
................................................................................................................................................ 11
EXAMPLES OF USE
........................................................................................................................................................... 12
1. Presenter Programme & Cue Monitor ....................................................................................................................... 12
2. Stereo Programme Monitor ....................................................................................................................................... 13
FRONT PANEL USER CONTROLS & CONNECTIONS
....................................................................................................... 14
1. 3.5mm Headphone Jack Socket ................................................................................................................................. 14
2. Left Volume Control ................................................................................................................................................. 14
3. Right Volume Control ............................................................................................................................................... 14
4. Power on Indicator .................................................................................................................................................... 14
5. 6.35mm (1/4”) Headphone Jack Socket .................................................................................................................... 14
6. Mono Switch ............................................................................................................................................................. 15
REAR PANEL CONNECTIONS
........................................................................................................................................... 16
7. Left Audio Input ........................................................................................................................................................ 16
8. Mix Output ................................................................................................................................................................ 16
9. +/-12VDC Input ........................................................................................................................................................ 16
10. Right Audio Input.................................................................................................................................................... 16
11. Mains Input ............................................................................................................................................................. 16
WIRING INFORMATION
................................................................................................................................................... 17
1. Standard wiring info .................................................................................................................................................. 17
2. Connecting to unbalanced devices ............................................................................................................................ 18
SPECIFICATION
................................................................................................................................................................ 19
