PRESONUS TUBEPRE User Manual download pdf (Page 7)

80Hz Rumble Filter

A rumble filter is available to eliminate low frequency noise. This

lets you greatly reduce background noise from things such as air

conditioners or wind noise with the flick of a switch without

affecting the desired frequencies.

Mic/Instrument Input

The TubePRE has a separate XLR and 1/4” connector on the back

of the chassis for signal input from microphones (XLR) or

instruments (1/4”).

Drive

The TubePRE provides a Drive potentiometer for controlling the

amount of signal routed to the 12AX7 vacuum tube. This feature

lets you control the amount of tube saturation. Greater levels of

tube saturation give the signal greater warmth and a richer sound.

This works equally well on mics and instruments.

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PRESONUS TUBEPRE User Manual Page 7