PreSonus BlueTUBE Features

• Dual-Servo Microphone Preamplifier Front-End with Tube Line-Drive Amplifiers
• -20dB Pad
• 48V Phantom Power
• Phase Reverse Switch
• Eight-Segment Level Meter
• 12AX7 Low-Noise Tubes
• Warm, Silky Contours
• Output Section Includes XLR and 1/4" Connectors for Driving Two Separate Signal Paths
• 1/4", High-Z Input on the Front Panel for Instrument Preamplification

PreSonus BlueTUBE Specifications

• Number of Channels Two
• 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 Neutrikä Combo
• Input Impedance, XLR 5k Ohms
• Input Impedance, High Z ¼” 1Meg Ohms
• Output
• Output Impedance, XLR Balanced 51 Ohms
• Output Impedance, ¼”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 4lbs.
• Size ½ U Rack
• Dimensions 8” X 5” X 1.75”
• Mounting Universal Rack Tray Insert
• Chassis Steel
• Front Panel Brushed Aluminum