PRESONUS TUBEPRE User Manual

TubePRESingle-Channel Tube Mic-Preamplifier w/ VU MeterUser's ManualVERSION 1.0

6infinitely richer and sweeter. An overdriven signal can be achieved bysignificantly raising the level of the drive control. This overdriven tubeeffec

71/4” phone plug wiring input and outputTIP High (+)SLEEVE GND (-)The output 1/4” phone plug is unbalanced

83.1 OPERATION3.2 Dynamic MicrophonesLower output levels characterize dynamic microphones, so more gainis needed to achieve sufficient operating level

9how hard the tube is driven when in use. Signs of wear may beexhibited by poor performance or by the tube becoming “microphonic”.Periodic replacement

10With a compressor/EQ/dynamics processorWhen running the Tube Pre in conjunction with other processors it isrecommended that the TubePRE be the first

11If the voltage on the back of my TubePRE does not match thevoltage listed on the power supply what do I do?The voltage on the TubePRE’s external pow

12Can I plug my keyboard/CD player/etc into the TubePRE?It is not recommended that any LINE LEVEL items be plugged into theTubePRE. This scenario will

139.1 TECHNICIAL SPECIFICATIONSPreamp Bandwidth...10Hz to 50kHzNumber of Channels...

14MeteringVU Meter...-20dBu to +3dBuClip LED...

iPresonus Limited WarrantyPresonus Audio Electronics Inc. warrants this product to be free of defects in material andworkmanship for a period of one y

iiLimited Warranty Outside of The U.S.Presonus Audio Electronics products are warranted only in the country where purchased,through the authorized Pre

iiiTable of Contents1.1 Introduction...11.2 Features...

11.1 INTRODUCTIONThank you for purchasing the Presonus TubePRE Single-ChannelMicrophone/Instrument Tube Preamplifier. This pre-amp was designedusing s

21.2 FeaturesThe following is a summary of your TubePRE's features:Dual-Servo Gain StageYour TubePRE contains a dual-servo gain stage (no capacit

380Hz Rumble FilterA rumble filter is available to eliminate low frequency noise. Thislets you greatly reduce background noise from things such as air

42.1 CONTROLS & CONNECTIONS2.2 Front PanelThe TubePRE front panel has the following features:Phantom Power Switch (+48v)Phase Reverse SwitchDrive

5XLR wiring for phantom powerPIN 1 GNDPIN 2 +48vPIN 3 +48vPhase Reverse SwitchAllows the user to invert the polarity of the XLR connector by switchin