PREAMP STEREO PRESONUS BLUETUBE A VALVULAS

En perfecto estado. Valvula intacta.


2 input channels, each with:

High-headroom Class A XMAX™ mic preamplifier
Dual path, 12AX7 vacuum tube and solid-state gain stages
Solid-state Gain control with 0 dB to +54 dB gain range
Tube Drive tube-saturation control
48V phantom power
80 Hz high-pass filter
-20 dB pad
Polarity-reverse switch
Illuminated analog VU input-level meter
Input/Output
2 balanced combo mic/unbalanced instrument inputs
2 balanced XLR main (L/R) line outputs
2 unbalanced ¼” main (L/R) line outputs

Physical

Compact 1/2U rack-mount chassis
External 16 VAC power supply
Optional 2UHR rack adapter