The Presonus TubePRE is the highest quality vacuum tube preamp in its class. Loaded with PreSonus' award winning dual servo preamplifier, the TubePre affordably delivers low noise tube warmth for vocals, guitars, bass guitars, synths and sound modules. The TubePre noticeably outperforms preamps in low cost mixers and recording interfaces making it an easy choice for anyone desiring to enhance their recordings with the magic of tubes.

A low-noise microphone and instrument preamp with switchable phantom power, variable tube drive, variable gain, phase and pad switches, 80Hz low cut fitter button and a backlit VU meter.

In addition to handling mic signals via the rear panel XLR socket, there's a high-impedance instrument jack back there and the unit has both balanced and un-balanced line outputs on XLR and jack respectively.

• Award-Winning Dual Servo Tube-Preamp
• Low Price High Performance
•  Tube Drive and Gain Control
•  -20 dB Pad and Phase Reversal
•  +48V Phantom Power
•  80Hz Rumble Filter
•  Back-Lit VU Meter
•  XLR and ¼” Output
•  Great as a Direct Box
  

Input
XLR Impedance : 1.3k Ohms
High Z Impedance : 1 Meg Ohm


Panel Controls
Tube Drive : 0dB to +20dB
Gain : 3dB to +48dB
Phase Reversal
-20 dB Pad
+48V Phantom Power
80Hz Rumble Filter

Meters
Blue Backlit VU


Output
XLR Balanced : 51 Ohms Impedance
1/4" TRS Unbalanced : 51 Ohms Impedance

Performance
THD+Noise (Unweighted) : 0.05% at 0dB Tube Drive, 10% at 30dB Tube Drive
Noise Floor : -98dB
Signal To Noise : >95dB
Power Supply Rejection : >98dB
Amplifier Type : Dual-Servo

Power Supply
Type : Linear
Input : 16VAC/1000mA
Power :16 Watts

Physical
Weight : 5lbs.
Dimensions :  5.5 x 5.5 x 1.75
Mounting : Universal Rack Tray Insert
Chassis : Steel
Panel : Brushed Aluminum
Sides : Cast Aluminum