Frequency Central – BOOM!! – Full DIY Kit

£55.00 (Excl. VAT)

Analogue drum voice

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SKU: Kit_FC_Boom Categories: , , Brand: HP Size: 4 HP


Boom!! is an analogue drum voice with a broad range of percussive applications. This module can be used to create bass drums, toms, blips, zaps and clicks!

The heart of the module is a VCO which is built around one half of a LM13700. The VCO has a HIGH/LOW switch as well as a SWEEP control, which defines its response to the onboard envelope.

The other half of the LM13700 has been carefully crafted into a release envelope generator, which has a FAST/SLOW switch in addition to a RELEASE control. As a bonus, the input of the envelope is velocity sensitive, allowing for a dynamic response.

Additionally, there is an envelope output, which can be used to drive other modules.

Boom!! – Build Document


  • Depth: 35mm
  • Width: 4HP
  • 12V draw: 10mA
  • -12V draw: 9mA

Additional information

Weight 0.1009 kg
HP Size

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