Waldorf Microwave XT

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The Microwave XT is a great big orange polyphonic rackmount synthesizer. While combining the power of the Wave and the compact design of Waldorf's Microwave II, the XT adds a bit of knob-laden heaven. At first glance the top section completely resembles the 2-space rackmount version of the Microwave II. And then there are three more rack-spaces full of knobs and lots of knobs means lots of control.

As far as enhancements, the XT model has 20-bit DSP functions but that's about it. Its true power and features lie in the 44 hands-on knobs which make editing in real-time quick, easy and perfect for performance and studio work. All of the knobs transmit MIDI information as well!

The Synthesizer engine is relatively the same as the Microwave II and Wave synths that came before it. Digital wavetable synthesis and FM synthesis in which there are 64 waves that are mixed and combined into new sounds. The Microwave XT can easily emulate the sounds of the PPG wavetable synths as well as create squelchy acid-303 lines or boomy Moog bass. Also onboard is a nice arpeggiator, digital effects and more. The Microwave XT is definitely a powerful rackmount synth that can generate some highly unique and quality sounds. It is used by Astral Projection, The Crystal Method, Mirwais, and Cirrus.

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Demos & Media

Audio Clip 1 A few demo patches from Future Music CD, issue 97.
Audio Clip 2 Some funky and fresh sounds from the Microwave XT
ManualRead or download the complete and original owner's manual (in PDF format).


Polyphony - 10 voice (expandable to 30)
Oscillators - 2 oscillators per voice of DSP wavetable synthesis; 1 Ring Mod; 1 Noise Source
Memory - 256 internal patches, 64 external card
Filter - 6/12/24 LP/HP, FM Filter, Sin (x)-LP, Dbl LP/HP, 24/12 BP, Band Stop, Waveshaper
VCA - 1 VCA, VCA ADSR, 1 Free Envelope
LFO - 2 LFO's, sine, tri, square, random, S&H
Effects - Chorus, Flanger 1 & 2, Autowah BP, Autowah LP, Overdrive, Delay, Amp Mod
Keyboard - none
Arpeg/Seq - 16 steps, 128 patterns
Control - MIDI (8-parts)
Date Produced - 1998


Images from Perfect Circuit Audio.

Thanks to Chris Coccia for providing some information.