The BlueTube is a stereo tube microphone preamplifier with an instrument input included. The output section of the BlueTube offers XLR and 1/4 in. connectors for driving 2 separate signal paths. The 1/4 in. jack provides a high Z input on the front panel for instrument preamplification.The BlueTube is housed in a half rack space steel chassis with a high-quality, anodized aluminum front panel. This allows it to fit perfectly within the PreSonus BMRA rack adapter with the PreSonus BlueMax.
Features
Dual Servo Microphone Preamplifier Front End with Tube Line Drive Amplifiers
20dB Pad
48V Phantom
Phase Reverse
8-segment Level meter
Sovtek 12AX7 low-noise tubes
Warm, silky contours
Technical Info
Number of Channels: 2
Performance
THD + Noise (Unweighted): 0.05%@0dBTubeDrive, 10%@ 30dB Tube Drive
Noise Floor: -94dBu
Signal to Noise: >90dB
Power Supply Rejection: >98dB
Amplifier Type: Dual Servo
Input
Connectors: Neutrik Combo
Input Impedance, XLR: 5k Ohms
Input Impedance, High Z 1/4": 1Meg Ohms
Output
Output Impedance, XLR Balanced 51 Ohms
Output Impedance, 1/4" TRS Unbalanced 51 Ohms
Panel Controls
Tube Drive: 0dB to +30dB
Gain: 0dB to +40dB
Phase Reversal
- 20dB Pad
+ 48V Phantom Power
Metering
8-segment LED -28dBu to +18dBu
Power Supply
Type: Linear Supply
Input: 18 VAC/100mA
Power: 15 Watts
Physical
Weight: 4 lbs.
Size: 1/2U Rack
Dimensions: (8 x 5 x 1.75 in.)
Mounting: Universal Rack Tray Insert
Chassis: Steel
Front Panel: Brushed Aluminum
Note: As a commitment to constant improvement, PreSonus, Inc. reserves the right to change any specification stated herein at any time in the future without notification.