Radio Shack 32-2057 User Manual
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Radio Shack 32-2057 User Manual

Radio Shack 32-2057 User Manual

3-channel stereo sound mixer
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Thank you for purchasing your 3-Channel Stereo Sound
Mixer from RadioShack. Your mixer is perfect for mixing
sound from multiple audio sources, such as microphones,
tuners, CD players, or turntables. You can adjust each audio
source's sound level for the best mix to play through your
sound system, or for recording. This mixer is ruggedly
constructed for home or professional use.
stereo mixer
Please read this user's guide before installing,
setting up and using your new product
www.radioshack.com
3-Channel Stereo Sound Mixer
what's included
user guide
32-2057
quick start guide

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Summary of Contents for Radio Shack 32-2057

  • Page 1 Thank you for purchasing your 3-Channel Stereo Sound Mixer from RadioShack. Your mixer is perfect for mixing sound from multiple audio sources, such as microphones, tuners, CD players, or turntables. You can adjust each audio source’s sound level for the best mix to play through your sound system, or for recording.

  • Page 2: Table Of Contents

    The Basics contents important safety instructions ...3 setting up your mixer ... 6 using your mixer ... 9 mixing your inputs ... 13 using a microphone ... 15 frequently asked questions ... 17 care ... 18 specifications ... 19...

  • Page 3: Important Safety Instructions

    The Basics IMPORTANT SAFETY INSTRUCTIONS Read Instructions — All safety and operating instructions should be read before the appliance is operated. Retain Instructions — The safety and operating instructions should be retained for future reference. Heed Warnings — Follow all warnings on the appliance and in the operating instructions.
  • Page 4 The Basics try reversing the plug. If the plug still doesn’t fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. Power-Cord Protection — Route power-supply cords so they are not likely to be walked on or pinched by items placed on or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance.
  • Page 5 The Basics * If liquid has been spilled or objects have fallen into the appliance. * If the appliance has been exposed to rain or water. * If the appliance does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions, as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the appliance...

  • Page 6: Setting Up Your Mixer

    OUTPUT REC L/R — use an audio patch cord (not supplied) to connect your tape deck’s line input jacks to your mixer (match left to left, right to right). You can then record the mixer’s output. OUTPUT AMP L/R — use an audio patch cord (not supplied) to connect your receiver or amplifier to your mixer (match left to left, right to...

  • Page 7: Connecting Inputs

    (usually black or green) to GND. LINE 1, 2, 3, 4 — connect line level inputs from up to four audio sources to your mixer. Do not connect audio sources with line-level outputs to the PHONO 1 or PHONO 2 input jacks.
  • Page 8 12V/3W MAX LAMP — connect a 12V DC/3W BNC lamp (not supplied) to light up the mixer’s controls. PHONES — connect a pair of stereo headphones (not supplied) with a -inch (6.35 mm) plug. You can then listen and locate a section of music to mix.

  • Page 9: Using Your Mixer

    POWER to turn off the mixer. presetting input signal levels To avoid overdriving a channel or prematurely mixing an audio input source, adjust your mixer to these settings: CH 1 MIC TREBLE and MIC BASS set to 0. ASSIGN A and ASSIGN B set to OFF.
  • Page 10 6. Repeat steps 2-5 to preset LINE 1 to CH 1, PHONO 2 and LINE 2 to CH 2, and LINE 3 and LINE 4 to CH 3. The mixer’s LED meters show total stereo output level. For best results, input signal levels should be set so the meters read 0db or less.
  • Page 11 The Basics Notes: • Write down the CH setting for each audio source. Then, when you want to mix that source, you can adjust its volume to that setting. • If it was necessary to set CH 1 to maximum to get a reading of 0 or less on the LED meter, slide CH 1 down to about 8 and adjust MASTER upward until you get a reading of 0 on both LED meters.

  • Page 12: Sound Check

    “presetting input signal levels” on Page 9). The mixer’s LED meters should read 0dB or less. 3. Adjust your receiver/amplifier’s volume to an appropriate level for the location or event where the mixer will be used. 4. Adjust the LEFT CHANNEL and RIGHT CHANNEL frequency controls to your preference (see “using the seven band equalizer”...

  • Page 13: Mixing Your Inputs

    Beyond the Basics mixing your inputs You can select any two of your connected audio sources and mix them so one or both play through your sound system. Mixing consists of three parts: playing an input source, monitoring a second input source, and switching to a second input source.
  • Page 14 Beyond the Basics monitoring a second input source Monitoring a second input source requires listening to an input source, finding the desired audio section you want to mix, and adjusting it’s sound level to match the volume of the first input source (the one designated ASSIGN A). 1.

  • Page 15: Using A Microphone

    Beyond the Basics using a microphone Your mixer has a set of tone controls for the microphone so you can tailor its high and low frequency sounds. 1. For regular sound, leave MIC TREBLE and MIC BASS set to 0.
  • Page 16 Beyond the Basics 2. Set OFF/ON/TALKOVER to TALKOVER so that the microphone’s sound is louder than the other audio input sources. This is useful for paging. using the seven band equalizer The seven band equalizer controls, LEFT CHANNEL and RIGHT CHANNEL, further tailor the frequency for CH 1 (PHONO1, LINE 1), CH 2 (PHONO2, LINE 2), and CH 3 (LINE 3, LINE 4) to match your acoustic surroundings or to suit your personal preference.

  • Page 17: Frequently Asked Questions

    Beyond the Basics frequently asked questions Q - I set up my mixer according to the instructions. Why isn’t it working? A - Make sure you are connected to a “live” AC outlet. - Verify that all sources are securely connected.

  • Page 18: Care

    Use and store the mixer only in room temperature environments. Handle the mixer carefully; do not drop it. Keep the mixer away from dust and dirt, and wipe it with a damp cloth occasionally to keep it looking new. service and repair If your mixer is not performing as it should, take it to your local RadioShack store for assistance.

  • Page 19: Specifications

    Beyond the Basics specifications Input Sensitivity/Impedance: DJ MIC (XLR jack) ...1.5 mV, 600 ohms, Balanced/Unbalanced MIC 2 (PHONE jack) ...1.5 mV, 600 ohms, Balanced/Unbalanced PHONO 1, PHONO 2 ... 3 mV/50 kOhms LINE 1, LINE 2, LINE 3, LINE 4 ... 150 mV/10 kOhms Output Level: Main Out ...
  • Page 20 Depending on how you plan to use your mixer, some or all of the following items may be purchased separately: audio patch cord microphone with an XLR plug microphone with stereo headphones limited one-year warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers.

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