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7

Operation

Connecting Microphones 

You can connect two microphones (not sup-
plied) to the mixer. 

Connect a microphone with an XLR plug to

DJ MIC

 on the top panel’s upper left corner. 

Connect a microphone with a 

1

/

4

-inch (6.35

mm) plug to 

AUX MIC

 on the back panel’s

lower right corner. 

CONNECTING POWER 

Note: Before you connect the mixer's power
cord, make sure power is turned off by press-
ing 

POWER

 (if the control is out, the power is

off). 

Connect the power cord to a standard AC
outlet. 

Caution: The power cord has a polarized
plug that fits only one way into a standard AC
outlet. If the plug does not fit, turn it over so it
fits properly. Do not force it! 

CONNECTING A LAMP 

The mixer has a 

12V/3W MAX LAMP

 socket

for connecting a 12V/3W BNC lamp so you
can see the control panel in dark or low light
conditions. 

CONNECTING 
HEADPHONES 

To listen in privacy or monitor the audio
source inputs so you can locate an exact
passage or section before mixing it, connect
a pair of stereo headphones (not supplied)
with a 

1

/

4

-inch (6.35 mm) plug to the 

PHONES

jack on the mixer's lower right corner. 

Your local Radio Shack store carries a wide
selection of headphones. 

Listening Safely 

Do not listen at extremely high volume lev-
els. Extended, high-volume listening can
lead to permanent hearing loss. 

To protect your hearing when you use head-
phones, always follow these guidelines to set
the listening volume. 

• Set 

CUE LEVEL

 to 

0

 before you begin lis-

tening. 

• After you put on the headphones, adjust

CUE LEVEL

 to a comfortable listening

volume level. 

• Once you set the headphones' volume,

do not increase it. Over time, your ears
adapt to the volume level, so a volume
level that does not cause discomfort
might still damage your hearing. 

ˆ

Operation 

1. Set the volume levels on the output

devices (receiver, amplifier, or tape
deck) to minimum and turn them on.

2. Press 

POWER

 to turn on the mixer. The

POWER indicator lights. 

3. Turn on the input sources you want to

mix. 

4. Preset the input signal levels (see “Pre-

setting the Input Signal Levels” on
Page 8).

5. Mix the audio input sources (see “Mixing

the Inputs” on Page 10).

32-3008.fm  Page 7  Thursday, April 6, 2000  4:03 PM

Summary of Contents for 4-CHANNEL STEREO SSM-1750

Page 1: ...Owner s Manual Please read before using this equipment SSM 1750 4 Channel Stereo Audio Mixer 32 3008 fm Page 1 Thursday April 6 2000 4 03 PM...

Page 2: ...cond Input Source 11 Notes on Mixing 11 Using the Special Controls 11 Using the Tone Controls 11 Using Gain 11 Setting the Sound Balance 12 Using a Microphone 12 Using an XLR Microphone 12 Using an AU...

Page 3: ...SERVICE ABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL This symbol is intended to alert you to the presence of uninsu lated dangerous voltage within the product s enclosure that might be of...

Page 4: ...combinations 1 DJ MIC lets you connect a balanced low impedance microphone with an XLR plug 2 BASS MID HIGH let you adjust the tone of the selected input for customized sound 3 GAIN individual control...

Page 5: ...lor the sound to compensate for a location s conditions or for personal preference 20 VU Volume Unit two meters indi cate the total stereo output signal levels 21 Stereo Line Outputs let you connect t...

Page 6: ...tape deck s left and right line input jacks matching left to left and right to right CONNECTING INPUTS You can connect up to ten audio input sourc es such as cassette tape decks CD players tuners two...

Page 7: ...of stereo headphones not supplied with a 1 4 inch 6 35 mm plug to the PHONES jack on the mixer s lower right corner Your local Radio Shack store carries a wide selection of headphones Listening Safel...

Page 8: ...hannel Inputs Follow these steps to preset each channel input you plan to mix Notes If you did not connect an input source to every jack or do not want to mix every input source connected to the mixer...

Page 9: ...ou want to mix the microphone you can set the control to the correct setting Notes If it was necessary to set DJ MIC LEVEL or AUX LEVEL all the way to 10 in order to get a reading of up to 0 on the VU...

Page 10: ...sourc es set all volume level controls to 0 To avoid sudden and inaudible sound out puts from any audio devices that you con nect to the mixer be sure to set their power controls to off and any tone c...

Page 11: ...e ASSIGN switches set each ASSIGN switch to the desired channel Then use CROSS FADER to mix the two Do not slide CROSS FADER to the center if you want to monitor one channel while the other is playing...

Page 12: ...you are not using an AUX microphone set AUX MIC LINE to LINE This lets you mix the output from the device connected to AUX LINE MONO jacks Using TALKOVER To use the microphone and reduce other au dio...

Page 13: ...ying the Signal from the Sound Effect Device To play signals from a device connected to the EFFECT jacks set the RECEIVE switch to ON When you are not using the connected inputs set the RECEIVE switch...

Page 14: ...river unscrew the fuse compartment cap on the back of the mixer 2 Remove the old fuse and replace it with an identical fuse Caution Never use a fuse of a different type or rating 3 Replace the fuse co...

Page 15: ...e 10dB at Center BASS Boost Cut Range 10dB at Center ECHO Delay Time 50 120ms TALKOVER Attenuation 8 to 38 dB Power Source AC 120V 60Hz 20 Watt Power Fuse 0 5 Amp 250 Volts Dimensions HWD 4 7 16 19 11...

Page 16: ...t during the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store RadioShack will at its option un less otherwise provided by law a corre...

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