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11-09-2018, 12:46 AM
Hi jmcd
Yes, the series R has three functions.
If you leave out the bounding circuit, the resistor increases the effective source impedance driving the EQ and is sometimes called a "build-out resistor". This makes the drive of the EQ a bit less stiff and is a method unto itself of trying to give the tone-crippling CF more of a dynamic quality like a plate-driven EQ would provide. It allows a tech or hobbyist to have better tone without taking the plunge of removing an iconic circuit portion that "certainly" must still provide some voodoo?
With the bounding circuit in place, there will be a voltage division and thus an attenuation, working against the diodes and the compliance resistor.
If the bounding network is switchable, then each of the above operating modes work in the alternate switch positions.
Yes, the series R has three functions.
If you leave out the bounding circuit, the resistor increases the effective source impedance driving the EQ and is sometimes called a "build-out resistor". This makes the drive of the EQ a bit less stiff and is a method unto itself of trying to give the tone-crippling CF more of a dynamic quality like a plate-driven EQ would provide. It allows a tech or hobbyist to have better tone without taking the plunge of removing an iconic circuit portion that "certainly" must still provide some voodoo?
With the bounding circuit in place, there will be a voltage division and thus an attenuation, working against the diodes and the compliance resistor.
If the bounding network is switchable, then each of the above operating modes work in the alternate switch positions.
