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The LDB-1 Analog Drum Machine

The LDB-1 “Little Drummer Boy” is a modern recreation of the classic analog drum machines of the 80's, like the Roland TR-606 and TR-808. Our goal was to recreate the warm sounds of the classics, using all analog circuitry - not samples. The brain of the LDB-1 is a powerful digital microcontroller that triggers the analog drum sounds and provides the sequencer, programmability and connectivity features.

Easily interfaces with other instruments, synthesizers, DAWs, etc. through analog connections, MIDI, and DINsync.

The LDB-1 has all of the features of a classic analog drum machine in a small, affordable package.

LDB-1 Analog Drum Machine
$240 Temporarily Out of Stock

LDB-1 Analog Drum Machine Kit
Circuit board and all parts
(enclosure not included)
$140 Temporarily Out of Stock

 

Features

  • Eight Analog Drum Sounds
  • Eight voice polyphony
    All drums can be played simultaneously, including
    open and closed hi-hat for a super punchy cymbal
  • Play Modes
    • Play Individual Drums
    • Play Patterns, including chaining up to 8 patterns
    • Play Songs with Pattern Fills
  • Programmability
    • 32 User Patterns - plus 32 Built-in Patterns
    • 16 Songs of 24 patterns each
    • Configuration Options (MIDI channel, trigger modes, etc)
    • All data is retained without power
  • Connectivity
    • Powered by built-in 9V battery, or standard pedal power supply
    • MIDI Input for playing individual drums, and MIDI clock and start/stop messages
    • DIN Sync Input for both clock and gate (start/stop)
    • Analog Clock Input
    • Analog Gate (start/stop) Input
    • Analog Trigger Output on user-selected steps and/or instruments

 

Demo Video

 

Drum Machine versus Eurorack Module

What' the difference? The LDB-1 Drum Machine is a complete, stand-alone drum machine that includes the analog drum sounds as well as a sequencer, pattern memory, and lots of connectivity options. The LDB-1e Eurorack Module contains just the drum sounds waiting to be triggered by any clock, LFO, or sequencer in your rack.

 

Documentation

 


The LDB-1 Kit

This is an advanced level kit because of its size. It has a lot of parts and they are very close together. To answer the most frequently asked question: this would not make a good first kit. If you are considering building the LDB-1 kit, first please take a look at the kit assembly instructions. The kit does not come in an enclosure, but it does include a control panel overlay made from metalic cardstock. The overlay gives it a clean look that is much nicer than a bare circuit board.

The top of circuit board with the buttons, LEDs, tempo knob, and control panel overlay: The underside of the circuit board where all of the components are mounted:

Serious DIYers might want to build the LDB-1 kit into a custom enclosure.
Take a look at Mickey Delp's Giant Little Drummer Boy, and read his blog article about it.