Advertisement
STRING RINGER manual
This acts as a second input it you want to ring mod two external
signals. Connecting a jack will break the path of the VCO. When nothing
is connected, the VCO out is "normalized" to the Carrier In (i.e. no jack
cable needs to be connected for basic operation). This input has a 20K
input impedance so when using a guitar or other high impedance source
some signal buffering or pre-amplification will be desirable. Buffering can
easily be achieved by connecting a FET switching pedal (e.g Boss, DOD,
Ibanez) in bypass between the guitar and this input. If instability is
experienced using a wah pedal. The same would be beneficial (between
the wah and this input). IMPORTANT: Because in basic operation the
break jack set-up described above may be sitting idle for very long
periods of time, it may be necessary every now and again to "exercise"
the contacts by inserting a jack a few times. If you experience any signal
loss this is the first thing to try.
Power jack. You can use a regulated and smoothed 9 volt D.C.
power supply which must be stabilized mains and which has a standard
2.1 mm, negative – center.
IMPORTANT: The purity of the VCO waveform depends on the supply
voltage. (An impure VCO waveform, especially if modulated with a
complex input signal, will drastically increase the harmonics flying around
at the output. This will not generally give the most musical results, but can
of course be used if desired. ) The Ring Stinger is calibrated for 9volt
operation.
12 volts will work fine, but it will be necessary to adjust an internal trim pot
to obtain a pure VCO waveform. This may be necessary even on a 9volt
supply as no two supplies produce exactly the same output voltage.
CARRIER in
DC 9 volt
Advertisement
