Soma Laboratory Harvezi Hazze

Effect Pedal for Electric Guitar

• Distortion / Waveshaper / Compressor
• Waveshaper section based on a vintage unijunction transistor (UJT)
• Waveshaper behaviour adjustable via the Spoil (threshold) and Spread (folding level) controllers
• Gain control for adjusting the distortion section
• Toggle switch for selecting two different distortion sounds and feedback mode
• Tone and level controls
• Six switches for selecting additional sound options: Tone Stack, Bass Boost, Tone Mode (Tilt EQ or Low Pass), Notch Frequency, High Cut and Compressor
• True bypass footswitch with LED indicator

Harvezi Hazze — a versatile and quite unique distortion pedal with a wide tonal palette.

The heart of Harvezi Hazze is a waveshaper designed around a unijunction transistor, a relic from the early days of the semiconductor industry.

The unique properties of the unijunction transistor allow one simple component to replace a number of complex devices: depending on the operating mode, we can get a distortion, a limiter, a waveshaper and a generator — with a smooth transition between them.

The signal chain of the unit consists of an optical compressor with fixed parameters; a dual-mode distorting amplifier with either softer or harsher clipping; a waveshaper built around a unijunction transistor; and a tone stack section trying to tame all this mess.

Harvezi Hazze works perfectly with guitar, bass, drums and synthesizers.

SPECS

• Input: 6.3 mm jack
• Output: 6.3 mm jack
• Power supply connection: Barrel connector 5.5 x 2.1 mm, centre negative
• Power supply with a 9 V DC mains adapter (not included)
• Dimensions (W x D x H): 115 x 130 x 50 mm