TipTop Audio BD808 Bass Drum Eurorack Module (4 HP)

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TipTop Audio BD808 Overview

  • 1Description
  • 2At a Glance
  • 3The Making of the BD808
  • 4Eurorack Ready

Turn your modular system into a self-contained music machine with the Tiptop Audio BD808, a Eurorack module featuring the original 808 analog bass drum circuit. Adapting the circuit to the modular format has allowed special features to be added like independent accent level, a high-powered gain stage, a dual input pulse-shaper, and an extended decay, all without compromising the signature sound of the TR-808 bass drum. The BD808 is tuned to sound like a machine that came fresh off the original '80s assembly line. The module ships with a ribbon power cable.

At a Glance
  • TR-808�s Bass Drum circuit adapted for use in Eurorack format
  • Tuned to sound like a machine that came fresh off the original '80s assembly line
  • Independent Accent level
  • High-powered gain stage
  • Dual input pulse-shaper and extended decay
  • Signature sound of the TR-808
The Making of the BD808
  • The BD808 is a one-to-one clone of the original circuit found in Roland's TR-808 drum machine. During the design phase, Tiptop created additional features taking care not to compromise the original signature sound, add excessive costs, or sacrifice panel space. Cloning a circuit that was designed and produced in the early '80s was not an easy task. A variety of obstacles including availability of the original parts, the modern SMT manufacturing process, the differences in +/-12V Eurorack power versus the +/-15V of the original 808, and far more were addressed in the creation of this module. The BD808 has gone through several design revisions and was tested and built with components from many different suppliers and various design techniques until the sound came out just right.
  • One of the main problems Tiptop faced while creating this module was that each of the original 808s Tiptop were using for testing and comparing sounded different from each other. So which one sounded right? The 808 machines were built from 1980 to 1984, making the parts in them 30+ years old, so they sound different now than when they were first made. Additionally, the fact that the original machines were using 5% resistors and other parts with wide tolerances made each 808 sound different from one another, even when they were new. The answer lay in the schematics and the math representing these circuits. These defined a precisely tuned circuit aimed at producing a very specific sound. With the BD808, Tiptop followed the design and created an 808 bass drum generator which, to the best of thier knowledge, sounds like the ones that were rolling out of the assembly lines in the '80s.
Eurorack Ready
  • 4 HP Eurorack format module
  • Maximum depth: 0.6" (14mm)
  • Includes power ribbon cable with Eurorack power headers
  • Power consumption: +12V: 13mA, -12V: 6mA

In the Box

  • TipTop Audio BD808 Bass Drum Eurorack Module (4 HP)
  • Ribbon Power Cable
  • Limited 1-Year Manufacturer Warranty
    Table of Contents
    • Description
    • At a Glance
    • The Making of the BD808
    • Eurorack Ready

    TipTop Audio BD808 Specs

    Key Specs
    Sound Generation
    Analog
    Audio I/O
    1x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Output (Eurorack Compatible)
    MIDI I/O
    No
    CV/Gate I/O
    2x 1/8" / 3.5 mm TS Gate/Trigger Input
    Patch Points
    2x 1/8" / 3.5 mm TS Input
    1x 1/8" / 3.5 mm TS Output
    Eurorack Current Consumption
    13 mA on +12 V Rail
    6 mA on -12 V Rail
    Horizontal Pitch
    4 HP
    General
    Item Type
    Eurorack Module
    Sound Generation
    Analog
    Expression Controls
    No
    Number of Pads
    No
    Built-In Speaker
    No
    Synthesis
    Oscillators
    No
    Mixer
    No
    Amplifiers
    No
    Envelopes
    No
    Filters
    No
    Sequencing & Recording
    Sequencer
    No
    Arpeggiator
    No
    Connectivity
    Audio I/O
    1x 1/8" / 3.5 mm TS Unbalanced Mono Modular/Eurorack Output (Eurorack Compatible)
    MIDI I/O
    No
    CV/Gate I/O
    2x 1/8" / 3.5 mm TS Gate/Trigger Input
    Patch Points
    2x 1/8" / 3.5 mm TS Input
    1x 1/8" / 3.5 mm TS Output
    Sync I/O
    No
    Power
    Power Requirements
    Eurorack Power
    Eurorack Current Consumption
    13 mA on +12 V Rail
    6 mA on -12 V Rail
    Physical
    Horizontal Pitch
    4 HP
    Included Accessories
    No
    Packaging Info
    Package Weight
    0.205 lb
    Box Dimensions (LxWxH)
    6.1 x 2.6 x 1.6"

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