PATCH BAY LAYOUT
At the heart of every recording system
SHOULD be a patch bay, especially if you've got an assortment of sound
sources and destinations. In this case, it's respectively microphones
and preamp inputs and preamp outputs and tape machine inputs. As
of December 2010 - details subject to change with notice - the mic
lines are half-normalled to the preamp inputs. This means that re-routing
a microphone requires that a dead patch be inserted directly below
it so it doesn't feed two preamps at once. The preamp outputs
are not normalled at all.
Note the far left 'preamp output' is an
oscillator, which is handiy for testing lines. The only outboard
not useable as a preamp are the two API equalizers. "VF" stands for
Vari-Fi or Variable Fidelity. These preamps are based on Scott Hampton's
JFET only these use negative feedback to adjust gain and have simple optical
Click on the bay to get a printable version...