Nady Systems HPA-4 manual Front & Rear Connections, Controls & Indicators, Front Panel, Rear Panel

FRONT & REAR CONNECTIONS

(5) (4) (6)

FRONT PANEL

(1) (2)

REAR PANEL

(8) (9) (7) (3)

FRONT PANEL

(1)STEREO HEADPHONE OUTPUTS

Four stereo 1/4” output jacks for connecting four stereo head- phones

(2)DIRECT LINE DISTRIBUTION OUTPUTS

Four stereo 1/4” line level output jacks for use for line distribution

REAR PANEL

(3)AUDIO INPUTS

Four stereo-pair balanced, line level 1/4” TRS jacks for 4 stereo (L & R) input signals. If only the LEFT (MONO) channel input is used, the mono signal will be provided automatically at both the Left and Right sides of the PHONE (1) and LINE (2) outputs.

(8)POWER CONNECTOR WITH FUSE HOLDER Standard IEC power cord receptacle used to connect the AC power to your unit. It features a built-in fuse holder for a 5X20mm, 0.5A/250V slow-blow fuse. If the fuse continuously blows, shut off the unit and have it serviced by qualified service personnel.

CONTROLS & INDICATORS

FRONT PANEL

The HPA-4 has four independent headphone amplifiers or line distribution channels. The unit provides 2 rotary controls and 2 stereo jacks per channel.

(4)INPUT SIGNAL SOURCE SELECT SWITCHES

Each channel features a rotary selector switch which allows you to select any of the 4 stereo input source signals connected to the INPUTS (3) of the HPA-4 to be routed to the selected chan- nels of the headphone amplifier and line distribution output. Sim- ply choose the source signal desired for that channel.

(5)VOLUME CONTROLS

Each channel features a rotary volume pot for variable adjust- ment of the desired output level.

(6)POWER LED INDICATOR

This LED indicator illuminates when the unit is powered on by the rear panel POWER SWITCH (7).

REAR PANEL

(7)POWER SWITCH

To turn the unit ON or OFF, press the upper or lower portion of this button as indicated. The front panel POWER LED INDICA- TOR (6) will illuminate when the power is “ON”. Before turning on this unit, verify connection to the proper voltage AC source, check all connections and turn down the level controls of equipment connected to the outputs.

(9)AC VOLTAGE SELECTOR SWITCH

Before plugging in the power cord, check to see that the unit is set for the proper voltage for your area: ~115v (60Hz) or ~230V (50Hz).

(Note: use at the improper voltage can damage your unit and void the warranty.)

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