Plug-In User Guide / Owners Manual

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THE RADIATOR CONTROL PANEL
The input control of Radiator determines the gain of the signal entering
Radiator’s (virtual) circuit path. As gain is increased, saturation
will increase accordingly along with output level. The Input control
determines the amount of drive into the first tube saturation stage. The
drive level from the Input control is then fed into the tone stack section
of Radiator.
INPUT
Radiator — Version 5
A source selection switch, labeled Line and Mic, is included on the front
panel. The Altec 1567A has a very impedance dependent response in
regards to the input, which we included while building Radiator. The Mic
and Line modes represent the differences in behavior observed with a
150ohm impedance (Mic) vs. 600ohm (Line) signal.
Figure 3 shows the overall frequency response differences as they
relate to source selection.
MIC / LINE SWITCH
Figure 3: Mic/Line Frequency Response