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	ATM1104 - Professional
Tube Condenser Microphone 
   
   
   
    
    
    
  
The
Audio2000’S®
ATM1104 tube 
condenser microphone is a versatile professional tube condenser microphone with 
a 12AT7 vacuum tube pre-amp.  A power supply & control box is supplied to 
provide the phantom power and nine polar patterns.  The polar patterns, selected 
from the front panel of the power supply & control box, include three common 
patterns (omni-directional, cardioids, and figure-8) and six intermediate stages 
between each of the above three common patterns (three intermediate stages 
between the omni-directional pattern and the cardioids pattern; three 
intermediate stages between the cardioids pattern and the figure-8 pattern). 
A dual 
1” gold sputtered 5-micron diaphragms in a shock-mount capsule eliminates 
unnecessary low frequencies while provides a full-body sound and a warm tone and 
a high maximum input sound pressure level (S.P.L.), making the ATM1104 tube 
condenser microphone a perfect choice for any professional studio, concert 
halls, and stage live sound applications.  
With 
the supplied external shock-mount suspension, the vibration and handling noise 
is virtually eliminated. This external shock-mount also facilitates the ATM1104 
to be mounted in any position and orientation for recording and live sound 
applications.  
  
ACCESSORIES: 
 ATM1104 Tube Condenser Microphone, Shock-Mount Adaptor, Power Supply & Control 
Box, 7-Pin XLR Shielded Microphone Cable, Windscreen, Microphone Carrying Pouch, 
Aluminum Box 
  
SPECIFICATIONS 
  
    
      | Type  | 
      
		Condenser Microphone with 1” Dual Diaphragm and 12AX7 Tube Pre-amp. | 
     
    
      | Polar Patterns | 
       Omni-Directional, 
		Cardioid, Figure-8, and 6 Intermediate Stages (Selected from Power 
		Supply & Control Box | 
     
    
      | Sensitivity   | 
      20 
		mV/Pa (at 1000 Hz, 94dB S.P.L.) | 
     
    
      | Output Impedance | 
      < 200 
		Ohms | 
     
    
      | Frequency Response | 
      20 - 
		20,000 Hz | 
     
    
      | Max. 
		Input Level | 
      144 dB
		(S.P.L.) | 
     
    
      | S/N 
		Ratio | 
      78 dB | 
     
    
      | 
		 
		Equivalent Noise 
		Level  | 
      18 dB | 
     
    
      | Power
		Requirement | 
      
		Included Power Supply & Control Box | 
     
    
      | 
		 
		Weight  | 
      28.7 
		oz. | 
     
   
 
	  
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