Avalon-Neutricon Preamp

Avalon-Neutricon Preamp
Avalon-Neutricon Preamp
Avalon-Neutricon Preamp
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Transcript of Avalon-Neutricon Preamp

  • service manualservice manualservice manualservice manual

    avalon preamp (1990 avalon preamp (1990 avalon preamp (1990 avalon preamp (1990 ---- 1997)1997)1997)1997)

    there have been two versions applied, a green circuit board and a silver circuit board. they are identically in dimensions and electronics value, main difference is the connection to the cable:

    1 silver board: 10-pin connector

    2 green board: attached 10-core flat cable

    NOTE: some of those cirquit boards have been modified for other use than avalon guitar. in particular, for the use in acoustic guitars the wireing may have changed or reversed.

    8888----pin neutricon connectorpin neutricon connectorpin neutricon connectorpin neutricon connector

    the original avalon push-lock connector is a standard industrial NEUTRIK, called neutricon. it is available as two versions, one with circular round-pins and one with fin-contacts. paradis used the fins. the neutricon consists of several parts which have to be ordered all separately for a working set.

    cable-plug: housing: SC8 insert: RI8 cable clamp: SR8w fin-contacts: CS1-G

    guitar-socket: housing: RP8 insert: TI8 fin-contacts: CS1-G

    mus i c al eng in ee r ing instruments and electronics made in switzerland

    avalon piezo input: E1 B2 G3 D4 A5 E6 acoustic piezo input: E6 A5 D4 G3 B2 E1

    avalon & acoustic piezo input: E6 A5 D4 G3 B2 E1

    pin 1 +15VDC

    GND

    avalon default pinnig 1 string channel E1 2 string channel B2 3 string channel G3 4 string channel D4 5 string channel A5 6 string channel E6 7 GND (ground) 8 +15VDC 9 GND 10 GND

    gain adjust per string-channel

  • 1

    pinning: 6 5 4 3

    pinning: 6 5 4 3

    small notch

    neutricon pinout 1 string channel E1 2 string channel B2 3 string channel G3 4 string channel D4 5 string channel A5 6 string channel E6 7 GND (ground) 8 +15VDC

    2

    3

    8

    5 4

    7

    6

    small notch / mark

    small notch

  • schematicsschematicsschematicsschematics

    by rolf spuler, 28-feb-2010