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Crate KX-220 User Manual

Crate stereo keyboard amplifier user's manual kx-220

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User's Guide
for the
C R AT E
KX-220
Stereo Keyboard Amplifier
Please read this user's
guide before using your
new amplifier!

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Summary of Contents for Crate KX-220

  • Page 1 User’s Guide for the C R AT E KX-220 Stereo Keyboard Amplifier Please read this user’s guide before using your new amplifier!
  • Page 2: Table Of Contents

    KX-220 Congratulations! You are now the proud owner of one of the most versatile keyboard amplifiers available, the Crate KX-220 Four Channel Stereo Keyboard Amplifier. This incredible unit features Crate’s legendary performance and high quality construction in a rugged and easy to operate package.
  • Page 3: Features

    KX-220 Features: Below are some of the outstanding features which set the KX-220 in a class by itself. Additional information on these features can be found throughout the remainder of this manual. •Complete stereo circuitry all the way to the internal power amplifier •Four separate input channels, each with its own level, pan and...
  • Page 4: The Top Panel

    1: Level Control (channel 1–3):Adjust the input level of the sig-nal(s) with this control. Each channel’s level control governs theright/mono and left input jacks simultaneously.2: Pan Control, (channel 1–3):This control proportions the signalbetween the left and right outputs. In stereo applications it actsas a left/right balance control.3: Rev/Eff Send Control (all channels):Adjust the amount of signalsent to the internal7reverb and external7effect (if used) with thiscontrol. 4: Line Out Select Switch (channels 3 and 4):When this switch ispressed in, the signal is7removed from the line out buss. (Forexample, if you want a click track or other signal in your amp butnot in the house mix, press in the switch for that signal’s chan-nel. The signal will still be in your amp, but not in the mix at theline out jack. You hear it, the house doesn’t!)5: Instrument Level Control (channel 4):An instrument level signalcan be plugged directly into channel 4’s instrument jack (#16).Adjust the level of the instrument with this control.6: Mic Level (channel 4):A low impedance microphone signal canbe plugged into channel 4’s microphone input jack (#17). Adjustthe input level of the microphone signal with this control. Theadjacent peak LED (#7) will light when the signal is7too hot.7: Mic Level Peak LED (channel 4):This LED will light when themicrophone input signal is7near clipping KX-220...
  • Page 5: The Back Panel

    This allows you to achieve a true stereo output if you connect your main KX-220’s left preamp out jack to a second KX-220’s power amp input jack (see #21). 220’s internal power amplifier is possible through this jack.
  • Page 6: Sample Hookup Diagram

    A stereo effects device has been connected to the effects loop, although a mono device can also be used. An additional KX-220 has been connected to the left chan-...
  • Page 7: System Block Diagram

    KX-220 System Block Diagram: RIGHT/MONO INPUT LEVEL LEFT INPUT REV/EFF SEND RIGHT/MONO INPUT LEVEL LEFT INPUT REV/EFF SEND RIGHT/MONO INPUT LEVEL LEFT INPUT REV/EFF LINEOUT SEND SELECT +16V PHANTOM POWER GAIN PEAK LED LOW-Z INPUT GAIN HIGH-Z INPUT LOW HIGH...
  • Page 8: Technical Specifications

    KX-220 Technical Specifications Output Power Rating Maximum Signal Accepted Channels 1,2,&3 Channel 4 Effects Return Nominal Input Impedance Channels 1,2,&3 Channel 4 Gain Channels 1,2,&3 Channel 4 Power Amp Channel 4 EQ Master EQ Line Out/Line In Levels Input Power Requirements...