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VOLUME
Rotate clockwise to increase amplification of Microphone inputs.
MICROPHONE INPUTS
There are three microphone inputs, which can be used simultaneously:
DYNAMIC - for standard dynamic cartridge microphones
CONDENSER - for electret or condenser microphones, which require phantom power
(supplied from the amplifier)
WIRELESS - accepts line-level output from wireless microphone receiver
AUXILIARY
To add pre-recorded music or sound effects during your presentation, just plug your CD player,
tape player or computer sound card into the LINE IN jack. Separate VOLUME and TONE
control knobs let you balance the program source with the live microphones. If using an external
wireless receiver, for best sound quality it should be connected to the LINE IN jack.
OUTPUT
To tape record your speech or program, connect the LINE OUT on the amplifier (using cable
with standard 3.5mm plug) to the input on a tape recorder.
SPEAKERS
Two separately amplified speaker jacks allow you to use one or two speakers for additional sound
power or true stereo output. (Use model S1260A for matched additional speaker.) Note: when
using a stereo
AUX source with a single speaker, only one of the stereo channels will be heard.
However, all MIC inputs are heard equally on both channels.
ANTENNA
Jack for wireless antenna
INTERNAL WIRELESS RECEIVER
(on right side of case)
Power on and off and Frequency A-B switches. Frequency should match wireless transmitter.
PROBLEM SOLVING
HOWLBACK is the howl or screech often heard in sound reinforcement systems. It is caused
by sound from the loudspeaker returning to the microphone. AmpliVox systems utilize proven
acoustical principles to minimize this; however, there is no way to completely eliminate
howlback under conditions of high amplification. If howlback occurs check the following:
1. User’s hand covering the head of the microphone. [Hold microphone under head slots.]
2. Sound can easily re-enter microphone. Keep loudspeaker turned toward audience. Note:
sound can be reflected from a hard surface back through the microphone. [Turn speaker.]
3. User holding microphone in a reflecting position. [Turn microphone.]
4. Volume setting too high. [Reduce microphone channel volume; compensate by speaking
louder or closer to the microphone.]
NO SOUND
Make sure amplifier POWER switch is turned on and red LED is lit. If switch is on and LED is
not lit, check to see that batteries are properly connected and at full charge. If using optional
power adapter, check to see that front panel connector is properly seated, and verify that the
power source is live.
IF YOU HAVE ANY QUESTIONS OR PROBLEMS PLEASE CALL OUR CUSTOMER
SERVICE DEPARTMENT AT 1-800-267-5486