Oberheim Tom 1/Tom 2 Voice Card Configuration

Tom 1/Tom 2 configuration

Component Setting Value Comments
Jumper S Position 2 wire Set VCA envelope response
Jumper T Position 1 wire Sound length = 4K
Jumper V Position 1 wire Sound length = 4K
Jumper W Position 1 diode Triggers 1 and 2 increase pitch
Jumper X Position 1 diode Trigger 1 increases pitch
Jumper Y Position 1 wire External CV controls pitch
Jumper Z Not installed - Set VCA envelope response
Capacitor C2 Installed 0.0033uF Sets nominal sample rate
Capacitor C3 Installed 6.8uF Sets envelope decay time
Resistor R8 Installed 2.7K Sets envelope modulation amount
Resistor R12 Installed 33K Sets trigger 1 and 2 pitch
Resistor R13 Installed 9.1K Sets filter frequency
Resistor R14 Installed 6.2K Sets filter frequency
Resistor R15 Installed 6.8K Sets filter frequency
Resistor R17 Installed 18K Sets trigger 1 pitch
Resistor R18 Installed 9.1K Sets filter frequency
Resistor R19 Installed 5.1K Sets filter frequency
Resistor R20 Installed 5.1K Sets filter frequency
    Notes:
  1. All diodes 1N4148
  2. All resistors 1/4 watt, 5%

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