Nilfisk-ALTO KX-220 user manual

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User’s Guide
for the
CRATE
KX-220
Stereo Keyboard Amplifier
Please read this user’s
guide before using your
new amplifier!

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KX-220 Stereo Keyboard Amplifier 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. Your KX-220 is proudly made in America, using only the best components. Extensive testing and Crate’s Five-Year Warranty assure you that your new amplifier is the absolute

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KX-220 Stereo Keyboard Amplifier 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 reverb/effect send controls •Three stereo line level channels, each with 1/4” left and right/mono input jacks •One “dual mono” channel, with

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KX-220 Stereo Keyboard Amplifier The Rear Panel: 15: Input Jacks (channel 1–3): Connection of an instrument, drum machine, tape deck channel, microphone or other high impedance (balanced or unbalanced) line level signal with 1/4” plug can be made here. For stereo inputs use the 15 right/mono jack for the right channel input and the left jack 21 for the left channel input. For two mono inputs into one channel, use the right/mono jack for one and the left jack for the other. For a single mono inp

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KX-220 Stereo Keyboard Amplifier System Block Diagram: MAIN REV/ LINE BUS EFF OUT SEND BUS BUS RL RL RIGHT/MONO INPUT PAN LEVEL LINE OUT RIGHT/MONO LINE OUT LEFT LEVEL INPUT LINE OUT REV/EFF SEND LEFT POWER AMP PREAMP OUT POWER RIGHT/MONO AMP IN RIGHT CHANNEL EQUALIZER EXTERNAL SPEAKER RIGHT/MONO INPUT PAN LEVEL CROSSOVER LIMITER MASTER LEFT INPUT REV/EFF LEFT CHANNEL EQUALIZER PREAMP OUT SEND LEFT RIGHT/MONO EFF EFF RET INPUT PAN SEND RIGHT/MONO LEVEL EFF RETURN LEFT LEVEL INPUT LINEOUT REV/EFF

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KX-220 Stereo Keyboard Amplifier Technical Specifications Output Power Rating 160 watts RMS minimum @5% THD @ 4 ohm internal speaker 220 watts RMS with 4 ohm extension speaker Maximum Signal Accepted Channels 1,2,&3 Right/mono / Left: 6 volts peak to peak Channel 4 Instrument: 28 volts peak to peak; Microphone: 4 volts peak to peak Effects Return Right/mono: 27 volts peak to peak; Left: 27 volts peak to peak Nominal Input Impedance Channels 1,2,&3 Right/mono / Left: 22k ohm Channel 4 Instrumen