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Such a tiny box... but what an enormous sound.

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Any of the three oscillators can frequency modulate another, enabling you to create everything from subtle wavering to sonic mayhem. Watch those speakers jump!

Each oscillator can have its own FM modulation source and amount as well. The number of sound shaping options is just incredible for a synth that's this cheap and compact.

Finally in the Osc section, there's a Unison mode (which can have up to six voices and de-tune and dual modes) poly/mono modes, glide with several modes and super-fast or super-slow glide rates, ring modulation and variable colour noise.

The attention to detail here is just dizzying and the results are stunning. The Blofeld is well suited not just to pads, leads and basses but also to warped and twisted sound effects. It's also capable of producing punchy drums sounds, of which there are plenty onboard, ready for tweaking.

Envelopes

The four envelopes in the Blofeld aren't exactly standard issue. Modes include ADSR, ADS1DS2R, One Shot and Loop (the Loop envelopes can actually be used like extra LFOs. Thankfully, the graphic display always helps makes sense of the different modes in this very complex synth.

It's worth noting that Standard, Single and Multi-trigger modes are included but there's also Poly or Mono allocation available per envelope as well.

If this all sounds a bit too complex right now, don't worry: you just have to get your hands dirty, turn those dials and experiment to find out exactly how each parameter affects the sound. That's the key to the Blofeld!

Filters and effects

The sound shaping/filter section is also very deep. There are two multimode filters per voice, filter FM, a mod source, 13 different drive curves including tube and clipping (the tube drive sounds particularly authentic and not harsh or digital), filter panning per filter (for independent stereo spectrum placement) and several pan sources (for triggering the panning in different ways).

What's more, the filter can be routed in serial or parallel before hitting the left and right outputs.

There are 11 types of filter, including low-pass and high-pass with 12/24dB slopes, comb, notch, band-pass and the low-pass model from the PPG Wave. These all sound very analogue and smooth, with each having a distinctive sound. There's no filter stepping even with high resonance settings; only smooth sweeping from rumbling sub to screaming highs.

Just when you thought there couldn't be any more room in the box, you find a two-part effect section, a flexible modifiers and modulations section and
a versatile arpeggiator.

The effects section has chorus, delay, reverb and more overdrive options with lots of control. The effects are lush with a grainy, gritty - yet rich - texture and they sound very refreshing when compared to other digital synths, which gives the Blofeld an utterly unique sonic signature.

Without doubt, this is one of the most inspiring, feature-packed and unique-sounding synths we've had the pleasure of using. Waldorf have truly created a monster atmosphere synth of epic proportions - and all in a tiny box for a tiny price.

For an expanded review of the Waldorf Blofeld, check out issue 197 of Future Music.