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4 . 1   T E C H N I C A L   S P E C I F I C A T I O N S  

 
BLUETUBE DP Technical Specifications: 

 

 Number of Channels    Two 
 
 

Performance 

THD + Noise (Unweighted)   0.005%@0dBTubeDrive    

      10% @ 100% Tube Drive 
 
 Noise Floor     -94dBu 
 Signal to Noise     >90dB  
 Power Supply Rejection     >98dB 
 Amplifier Type     Dual Path   
  
 

Input 

 Connectors     Neutrik

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 Combo 

 Input Impedance, XLR     1.3k 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     0% - 100% 
Gain      0dB to +54dB 
Polarity Reversal 
-20dB Pad 
80Hz Filter 

 +48V Phantom Power 
  

 Metering      

 Backlit VU Meter    -20dBu to +6dBu    
 
 

Power Supply 

 

 
Type    Linear Supply 

 Input       16 VAC/1000mA  
 

(The power supply that ships with the unit is for the country that it ships to.) 

 

Power      16 WATTS 

 
 

Physical

 

 
 Weight      4lbs. 
 Size      ½ U Rack     
 Dimensions     8” X 5” X 1.75” 

Chassis      Steel 

Front Panel      Brushed Aluminum    
       

 

 
 
 
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. 
 

13 

Содержание BLUETUBE DP

Страница 1: ...U S E R S M A N U A L 2004 PreSonus Audio Electronics Incorporated All rights reserved...

Страница 2: ...cover claims for damage due to abuse neglect alteration or attempted repair by unauthorized personnel and is limited to failures arising during normal use that are due to defects in material or workma...

Страница 3: ...ls Connections 2 1 Front Panel Basic Layout 2 2 Preamplifier Section 2 3 Back Panel Basic Layout 3 Operation 3 1 Dynamic Microphones 3 2 Phantom Powered Microphones 3 3 Instrument Input 3 4 Some Thoug...

Страница 4: ...gear our valued customers We appreciate the support you have shown us through the purchase of this product Please pay close attention to how you connect your BLUETUBE DP to your system Improper groun...

Страница 5: ...n close proximity to one another The polarity reversal switch also can compensate for different XLR connector hook ups where pin connections have been inverted 20dB Pad A 20dB pad is available on each...

Страница 6: ...ube Drive potentiometer on each channel for controlling the amount of saturation produced by the 12AX7 vacuum tube Greater levels of tube saturation give the signal greater warmth and a richer sound T...

Страница 7: ...ly which measure the input level VU stands for volume unit which is an average measurement of the input signal level This means that not all transients will be displayed by the VU meter Both preamp ch...

Страница 8: ...hantom power 20dB Pad This provides 20 decibels of attenuation with the push of a button This is a very useful feature for rapidly reducing the level coming into the BLUETUBE DP and thus preventing th...

Страница 9: ...d with lower Tube Drive settings This desirable effect is especially good for microphones and electric bass guitar resulting in a warmer rounder sound An overdriven signal can be achieved by significa...

Страница 10: ...IN 2 High PIN 3 Low Cable Wiring Diagram for Input and Output XLR The Output XLR Connector is servo balanced and operates at 4dBu TIP High SLEEVE GND Cable Wiring Diagram for Input and Output TSPlug T...

Страница 11: ...N E S Phantom powered microphones such as condenser microphones require external power for the microphone to operate These microphones typically have much higher output than dynamic microphones Use th...

Страница 12: ...e tube is mounted in a transverse fashion and care should be taken to properly align the pins on the tube to the corresponding holes in the receptacle Make sure the tube is completely seated in the re...

Страница 13: ...51 Ohms Output Impedance TRS Unbalanced 51 Ohms Panel Controls Tube Drive 0 100 Gain 0dB to 54dB Polarity Reversal 20dB Pad 80Hz Filter 48V Phantom Power Metering Backlit VU Meter 20dBu to 6dBu Power...

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