Presonus - TubePre V2

Mono Tube Preamp

At PreSonus, we’ve been designing preamps for a long time,

and we always focus on audio quality first. So when we decided to upgrade our popular TubePre V2, we focused on improving an already high-quality sound—without jacking up the price. Like the original TubePre, the new version is a fully professional tube preamp, with a dual-servo (no capacitors) gain stage that lets you boost the program signal to smoking hot levels without significantly increasing the background noise. Discrete components and high-voltage operation offer dynamic range and detail not found in other single-channel tube preamps in its class.

 

But the TubePre V2 provides an even wider palette of sound options, and a much more focused tube saturation, than the original TubePre. It has been upgraded to employ PreSonus’ popular XMAX™ Class A solid-state preamp, which is followed in the signal path by a 12AX7 vacuum-tube stage. Twist the TubePre V2 Drive saturation control to add the “color” that only a hand-selected 12AX7 vacuum tube can deliver — from gentle warmth to total fuzz. 
Read More About XMAX Preamps


Read More About 12AX7 Vacuum Tubes

Versatile and Feature-Rich

Housed in a rugged case, the TubePre V2 rear panel sports separate unbalanced, ¼” instrument and balanced, XLR mic inputs and unbalanced ¼” and balanced XLR line outputs. We’ve included all of the extras you need for professional operation including a high-pass filter, phantom power for condenser mics, polarity reverse switch, and a backlit VU meter. 
 

The TubePre V2 is more than a mic preamp, though.

Thanks to its separate instrument and mic inputs, it also serves as a dynamite direct box (DI) for guitars and basses. And it’s small enough to carry almost anywhere, although you also can screw-mount it to a standard rack tray.

So if you are a fan of our original TubePre, you’re going to love the improved TubePre V2. And if you are checking out the TubePre for the first time, your ears are in for a real treat. Then check out the amazing low price—but sit down first because you’re in for a shock. Because with PreSonus, big sound does not have to cost big bucks.

Specifications
  • XMAX™ Class A preamp input stage
  • 12AX7 dual-servo vacuum tube output stage
  • Input Gain control
  • 48V phantom power
  • 80 Hz high-pass filter
  • -20 dB pad
  • Instrument input select
  • Polarity-reverse switch
  • Backlit VU meter
  • Clip LED
  • Input/Output
    • 1 unbalanced ¼” instrument input
    • 1 balanced XLR mic input
    • 1 unbalanced ¼” line output
    • 1 balanced XLR line output
  • Physical
    • Compact 1/3U rack-mount chassis
    • External 12 VDC, 1A power supply

Mic Input

Connector Type XLR, female, balanced
EIN -131 dB, 20 kHz BW, max gain, Rs=40?, A-wtd -128 dB, 20 kHz BW, max gain, Rs=40?, unwtd
Frequency Response 20 Hz – 20 kHz, -0.3 dB, +4 dBu, unity gain 5 Hz - 120 kHz, -3 dB, +4 dBu, unity gain
THD+N 0.01%, -10 dBu, 1 kHz, unity gain, 20 kHz BW, unwtd
Dynamic Range 115 dB, 1 kHz, unity gain, 20 kHz BW, A-wtd 107 dB, 1kHz, unity gain, 20 kHz BW, unwtd
Input Impedance 1.3 k?
Phantom Power +48 VDC, 10 mA

Instrument Input

Connector Type ¼” TS, female, unbalanced
Input Impedance 1 M?

Analog Output

Connector Types XLR, male, balanced ¼” TS, female, unbalanced
Maximum Output +20 dBu
Output Impedance 51?

Tube Stage

Type 12AX7

Power

External Power Adapter +12 VDC, 1A, center-pin positive
PSU Barrel Dimensions 5.5 mm O.D., 2.1 mm I.D., 9.5 mm length

Physical

Dimensions 1/3U rack-mountable (screw-mount to standard rack tray, not included)
Height 1.75” (44.45 mm)
Depth 5.5” (139.7 mm)
Width 5.5” (139.7 mm)
Weight 5 lb. (2.27 kg)

As a commitment to constant improvement, PreSonus Audio Electronics, Inc., reserves the right to change any specification stated herein at any time, without notification.