Nava parts & kit



Nava v1.02 kit View full size

Nava v1.02 kit

Nava v1.02 is a clone of the Roland TR-909. The generator analog part of a typical sounds of this Drum Machine was reproduced identically with the original components. The sequencer has been redesigned for a more intuitive approach

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Availability: Out of stock

319,00 €

The kit includes:

  • 2 x PCBs: the Mainboard and the IO Board
  • 2 x MUX/SH board
  • The µC, a Atmega1284P pre programmed with Firmware Nava v1.0
  • 3x program EPROM 27C256 with the sound of HitHat, Crash and Ride as those present in the original TR-909.
  • 36 x M5218L Mitsubishi. Those are the original TR-909 OPA
  • 2 x HD14006BP 18 Bit static shift register used to Noise generator
  • 1 x AN6912 Quad comparator. HandClap envelop generator identical to that of TR-808.
  • 1 x BA6110. This is the only component that we have replaced the original TR-909. The original HandClap VCA is a BA662 manufactured by Roland, but today very expensive and rare. After several sound comparisons and operating the BA6110 makes an excellent substitute for BA662.
  • 19 x 2SA1115-F PNP transistors
  • 56 x 2SC2603-F NPN transistors
  • 4 x 2SA798 PNP Monolithic Transistor Pair
  • 2 x 2SD1469 NPN Small signal transistor
  • 2 x 2SC2878 NPN Epitaxial transistor for muting application
  • 27 x Potentiometers (all necessary controls for the construction of Nava v1.0)
  • 19 x Cherry switches with whites caps
  • 17 x illuminated square tact switches

All other components to complete your kit are available in this Mouser BOM: .The only component that you must get is a 15VAC supply 1000mA, the same used for the Yocto v1.0. A screen printed aluminium available on the forum or by Erica Synth. You need also 25x small knobs and 2x big knob.

Characteristic of Nava v1.0:

  • 128 Rhythm patterns from 1 to 16 steps
  • 16 tracks of 999 measures
  • 1  external instrument track by pattern that can store 99 notes like SH101 sequencer style.
  • A Midi keyboard mode allow you to play external Midi device
  • Multi out for each instruments
  • Individual accent for BD, SD, LT, MT, HT, RS, HC and CH
  • A total accent track
  • Master out (L/R Mono) 6Vp-p 1Kohm
  • tempo  30 - 250 Bpm
  • 7 shuffle levels
  • 4 scales (1/8t, 1/16, 1/16t and 1/32)
  • 4 sequencer directions (forward, backward, ping-pong and random)
  • Easy copy and paste pattern function
  • Shift left or right the entire pattern or individual instrument
  • In/Out/Thru Midi
  • DinSync 24ppqn Out
  • Trig Out 2ms +5V
  • And  More...

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