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Control Features
Input section
Here you’ll find the GAIN controller and the MODE switch with their independent
LED’s.
The GAIN controller sets the input level, the GAIN LED lights up as soon as the
signal becomes overdriven.
You should ensure you set an optimal input level, where only peaks are
indicated by the flashing LED. If the input level is set to low, triggering the
envelope generator by the audio signal will not function as it should. (see page
7).
The MODE switch sets the general manner of how the input signal will be
processed. Besides the four possible modes, the MODE switch includes the BYPASS function (on two positions:
first and last), which routes the input signal directly to the outputs of the Retroverb.
The table on the top of the Retroverb shows the effect signal flow for the different modes:
MODE EFFECT SIGNAL PATH OUTPUT
1 SPRING – EQ – [VCF / VCA] L / R normal
2 SPRING – EQ – [VCF / VCA] L normal / R reversed
3 EQ – [VCF / VCA] L / R normal
4 EQ – [VCF / VCA] L normal / R reversed
Mode 1 and 2
In these modes, the effect signal passes through the spring module, the equalizer and the VCF / VCA section.
After being mixed with the original signal (MIX controller) it is sent to both outputs (L / R).
In mode 2, the phase of the right channel is reversed, which generates richer reverb effects due to random
annulments of frequencies.
In Mode 1 both outputs drive the same signal in the same way.
Mode 3 and 4
Modes 3 and 4 are similar to modes 1 and 2 with only one difference: The ACCUTRONICS spring reverb unit is
taken out of the signal flow. So the signal will be refined by the equalizer and / or the VCF / VCA section. In this
mode you won’t get reverb effects, but some interesting filter-, wahwah- and tremolo-effects.
The phase of the right output is also reversed in mode 4.
Note: In mode 4 it could occur that you won’t hear any signal at the output by the left and the right channel
cancelling each other out. Change to mode 3 in this case!
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