impedance). The frequency and reduction of the lows increases as the mic is loaded
down with lower values using the “Z” knob. Like wise, as the “Z” knob is turned up, the
frequency of the cutoff and audible reduction of the lows decrease. Above a certain
value the cutoff becomes sub-sonic and is below 20hz, therefore inaudible. This could
be useful when wanting to insure that sub-sonic frequencies do not infiltrate your signal
or overload your preamp. The values at which the HPF effect the signal is dependent
upon the microphones’ output impedance. Microphones with very low impedances will
be effected by the HPF at a lower “Z” value than microphones with higher output
impedances. For example, a mic with an 600ohm transformer will cutoff 80hz at a much
higher “Z” value than a mic with a 50ohm output transformer. The HPF, simply put,
reduces the frequencies most effected by the input impedance loading, as set by the “Z”
knob.
Output Controls
Generally speaking, the output controls will usually be set to MAX, with the input of the
external preamp turned down. Slowly turn your preamp up until you reach the desired
level. If the signal is too hot with the preamp all the way down, try using the MORE
setting on the CL-Z, as this will provide approximately 12dB more gain than going direct,
but less than the MAX position which can provide up to 25dB of additional gain. With the
Cloudlifter set to MAX, you will be minimizing the influence of the preamp and dropping
the noise floor by the maximum amount possible using the Cloudlifter. Use the MORE
position when the output of CL-Z is too hot for the preamp, even with the gain all the
way down. In that case, use the MORE position and turn up the gain until the desired
level is reached. With ribbon mics and lower output dynamics (especially on softer
sources), you will almost always want to use the MAX setting.
IMPORTANT NOTE:
The Cloudlifter "Z" was developed and tested using a wide variety of microphones
representing the high end and low end of the industry. To get the maximum
performance from your audio equipment and the "Z", it is highly recommended that a
properly grounded microphone is used with well shielded cables.
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