Hand built by a friend. Wood panel is slightly thicker then most panels which makes it slightly harder to get screws to tighten into case.

Tea Kick is a universal analog circuit which is based on improved version of the twin T resonant structure, and mainly inspired by analog drum designs of Standa Filip. The basic principle of this drum is to create a virtual electronic membrane which you strike with electricity, the membrane vibrates and creates a very natural drum wave which, when outputted to a speaker (another membrane) sounds very authentic. To adjust this membrane, we have the TUNE and RESONANCE control. Think of using those as if tuning an acoustic drum. There is a CV input for tuning the circuit so it can change character from a bass drum through all the toms to woodblock. There is main TUNE control knob for the tuning and also a CV Input with ATTENUATOR.

bass drum generator

• tune knob for adjusting pitch
• CV input with attenuator for Tune
• resonance knob
• resonance range switch (low range limits the circuit from self oscillation)
• click tune knob – adjusts pitch of click added to the drum body
• click output jack – when plugged in it puts the click out of the main output
• buffered output
• square wave output
• trigger input
• WTF input (acts as something like band pass filter but not really :) )
• trimmer to adjust the resonance range
• front panel from aluminium or oak wood with custom knobs
• handmade locally by Bastl Instruments in Brno, Czech Republic
• 
  5 HP
• 35 mm deep (skiff friendly)
• current +12V: <15 mA, -12V: <15 mA
• PTC fuse and diode protected 16-pin power connector