Oberheim Hi-Hat Voice Card Configuration

Hi-Hat configuration

Component Setting Value Comments
Jumper R See Jumper V - -
Jumper S Position 1 wire Set VCA envelope response
Jumper T Position 1 wire Sound length = 4K
Jumper V Position 1 wire Sound length = 4K
Jumper W Position 2 diode Triggers 1 and 2 reduce volume
Jumper X Position 2 diode (Not used)
Jumper Y Position 1 wire External CV controls pitch
Jumper Z Position 2 4.7K Set VCA envelope response
Capacitor C2 Installed 0.0033uF Sets nominal sample rate
Capacitor C3 Installed 2.2uF Sets envelope decay time
Resistor R8 Installed 3.6K Sets envelope modulation amount
Resistor R12 Installed 6.8K Sets trigger 1 and 2 sound volume
Resistor R13 Installed 5.6K Sets filter frequency
Resistor R14 Installed 4.7K Sets filter frequency
Resistor R15 Installed 4.7K Sets filter frequency
Resistor R17 Not installed - -
Resistor R18 Installed 5.6K Sets filter frequency
Resistor R19 Installed 3.3K Sets filter frequency
Resistor R20 Installed 3.3K Sets filter frequency
    Notes:
  1. All diodes 1N4148
  2. All resistors 1/4 watt, 5%

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