Presonus DigiTUBE User Manual Page 1

Copyright © 2001, PreSonus Audio Electronics, Inc.ALL RIGHTS RESERVEDDigiTUBESingle-Channel Tube Mic-Preamplierwith S/PDIF OutputUSER’S MANUAL 1.1

82 CONTROLS & OPERATION-42 -36 -30 -24 -18 -12 -6 -3 0 3 6 9 12 15 18 24OUTPUT LEVEL (dBu)MeteringThe DigiTUBE has a 16 step LED meter to observe

CONTROLS & OPERATION 29The back panel of the DigiTUBE is divided into a digital and an analog section.2.2.1 DIGITAL SECTIONS/PDIF Digital Output (

2 CONTROLS & OPERATION102.3 VACUUM TUBESThe DigiTUBE comes supplied with a 12AX7 vacuum tube that provides excel-lent performance characteristics.

CONTROLS & OPERATION 211

124 TECHNICAL SPECIFICATIONSNumber of Channels ... OnePerformanceTHD + Noise

13TECHNICAL SPECIFICATIONS 4Power Supply Type ...Linear SupplyInput

145 PRESONUS LIMITED WARRANTYIN THE UNITED STATESPreSonus Audio Electronics Inc. warrants this product to be free of defects in material and workmansh

15PRESONUS LIMITED WARRANTY 5OUTSIDE OF THE UNITED STATESPreSonus Audio Electronics products are warranted only in the country where originally purcha

1 Overview...1 1.1 Introduction ...

1OVERVIEW 11.1 INTRODUCTIONThank you for purchasing the PreSonus DigiTUBE Single-Channel Tube Mic-Preamplier with S/PDIF Output. This preamp was desi

1 OVERVIEW21.2 FEATURESThe following is a summary of your DigiTUBE’s features:Dual Servo Gain StageYour DigiTUBE contains a dual servo gain stage (no

3OVERVIEW 1DriveThe DigiTUBE is provided with a DRIVE potentiometer for controlling the amount of signal routed through the 12AX7 vacuum tube. This fe

42 CONTROLS & OPERATION2.1 FRONT PANELThe front panel of the DigiTUBE contains:GAIN (dB) LOW MID HIGHEQINMIC/INSTRUMENTLINEPOWER-42 -36 -30 -24 -1

GainThis control is used to determine the amount that a signal being processed by the pre-amplier is increased in level at output. Dynamic mics and i

62 CONTROLS & OPERATIONLowThe LOW control is a dual concentric potentiometer with the outer ring allowing the selected frequency to be boost or cu

CONTROLS & OPERATION 27MidThe dual concentric potentiometer labeled MID controls the frequencies from 900Hz to 5kHz. The outer ring provides boost