1. CONNECT SPEAKER BANANA POST CONNECTOR TO SPEAKER (S)

2. CONNECT POWER BANANA POST CONNECTOR TO 12VDC

3. SET THE X10 OHM SELECTOR TO 0 AND THE X1 TO THE SPEAKER NAME   

    PLATE IMPEDANCE

4. DIAL IN THE FREQUENCY DESIRED USING THE HZ CONTROL KNOB.

5. ALTERNATELY ADJUST THE NULL CONTROL AND THE OHMS SELECTORS

    UNTIL THE NULL LIGHT BECOMES  DIMMER EACH TIME THE OHMS    

    SELECTORS ARE CHANGED. AT THE TRUE SPEAKER IMPEDANCE THE NULL 

    LED WITH DIM AT ONE OHM SETTING AND INCREASE BRIGHTNESS AS YOU ROTATE THE X1   

    CONTROL EITHER DIRECTION OF ROTATION.

RESONANT FREQUENCIES RESULT IN MUCH HIGHER IMPEDANCES THAN THE SPEAKER RATING.

NOTE: THE RCA JACK MAY BE CONNECTED TO AN AMPLIFIER AS A SOUND SOURCE FOR A COMPETITION EVENT (IF ALLOWED) OR USED TO TEST WOOFER SYSTEMS.

AUDIO OUTPUT

+ TO 12VDC -

TO TEST SPKR