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KX220 Keyboard Amp

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Overview

Sterling stereo, total control, infinite possibilities.

A huge-sounding, stereo keyboard amp for every conceivable application. 4 stereo channels give you potential for eight independent mono inputs, including inputs for a Lo-Z mic and a standard instrument (a bass, for example) on channel 4. Each stereo channel has its own level, pan pot, and reverb/effects send controls. Channels 3 and 4 can be isolated from the line-out bus so you can hear them but the house can't”perfect for a click track, metronome, or other signaling system. Full-range eight-band graphic EQ lets you tweak the tone with unprecedented accuracy. Internal mono 160W power output drives a 15" Crate custom-design speaker and 4" x 4" bullet horn for room-filling presence. When you're running an outboard speaker, it goes up to 220W. Post-EQ stereo preamp out lets you run true stereo with another amp. Limiter eliminates distortion even when you're running full bore.

Features

  • 4 channels full stereo w/ independent pan pots and reverb
  • Lo-Z mic and instrument inputs with independent level controls
  • Line-out select switch lets you remove channels 3 and 4 from the line-out bus
  • Eight-band graphic EQ for perfect tone control
  • 220 watts of crankin' clean power!
Specs

KX220 Keyboard Amp 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”30dB
  • Channel 4: instrument”220k ohm; microphone”600 ohm
  • Gain:
  • Channels 1, 2, & 3: right/mono / left”30dB
  • Channel 4: Instrument”37dB; microphone”64dB
  • Power amp: 36 dB
  • Channel 4 EQ: low”+/- 10 dB @ 50Hz; high”+/- 10dB @ 10kHz
  • Master EQ: +/- 12 dB @ 40 Hz, 100Hz, 225Hz, 625Hz, 1.6kHz, 4kHz, 8kHz, 15kHz
  • Line out/line in levels: 1 volt RMS typical
  • Input power requirements:
  • 120VAC, 60Hz, 205VA
  • 100/110VAC, 50/60Hz, 205VA
  • 230VAC, 50/60 Hz, 205VA
  • Limiter range: 20dB, maximum distortion 1%
  • Speakers:
  • Low frequency: 15" Crate custom design, 2.5" voice coil, 56 oz. magnet
  • High frequency: 4" x 4" bullet horn, 1" voice coil, replaceable phenolic diaphragm
  • 8 oz. magnet
  • Size: 20.5" x 20.5" x 17.5"
  • Weight: 73 lbs.
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