AmpliVox Microphone SW222 User Manual

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MONO-STEREO
Combines the separate left and right AUX LINE IN channels. This combined signal will be amplified and appear
on both the LEFT and RIGHT channels of the SPEAKER and LINEOUT OUTPUTS.
VOLUME
Rotate clockwise to increase amplification.
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 if using an S222
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 to the input on a tape recorder.
SPEAKERS
Two separately amplified speaker jacks (4-8 ohms) allows you to use internal speaker and extension speaker for
additional sound power or true stereo output. Unit speaker is wired internally. Plug external speaker into right
speaker jack for stereo. Note: when using a stereo
AUX source with a single speaker, only one of the stereo
channels will be heard, switch stereo/mono switch to mono for both channels to be heard. However, all MIC
inputs are heard equally on both channels.
PROBLEM SOLVING
FEEDBACK 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 feedback under conditions of high amplification. If
feedback occurs check the following:
1. User’s hand covering the head of the microphone. [Hold microphone under head slots.]
2. Sounds 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 QUESTION OR PROBLEMS PLEASE CALL OUR CUSTOMER SERVICE
DEPARTMENT AT 1-800-267-5486

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