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Custom Direct Box Inductors Line Input Mic Input Mic Output Output Phono Splitter Misc.   App Notes

  Microphone Output Transformers
 
 
 
CineMag manufactures an extensive line of Microphone Output transformers. We only list a portion of our full product line. We make transformers for ribbon microphones, vacuum tube output stage condenser microphones, and solid state microphones of all types. Dual bobbin construction is normally used for the best possible CMRR which also permits phantom powering of the microphone. Proprietary laminations and mixes of exotic materials (high nickel and cobalt) can be found in these meticulously crafted Mic Output transformers.
 Part No.: Impedance Ratio: Operating Level:
1%THD+N
Notes: Data Sheets    
    CMO-2.65/200CT

2650 : 200 CT (3.64 : 1)

+14 dBu

Condenser microphone output transformer. Twin bobbin. Center tapped for phantom power.

          

 CMO-15/100CT

15K : 100 CT

+30 dBu

Microphone output transformer. Center tapped for phantom power.

 
  CMO-15/100CT 15K : 100 CT (12.2 : 1)

+30 dBu

Condenser microphone output transformer. Center tapped for phantom power.          
    CMO-2.65/200CT

2650 : 200 CT (3.64 : 1)

+14 dBu

Condenser microphone output transformer. Twin bobbin. Center tapped for phantom power.

          

 CMO-5/200CT

5K : 200CT (5 : 1)

+17 dBu

Condenser microphone output transformer. Twin bobbin. Center tapped for phantom power.

         
 

 CMO-15/200CT

15K : 200 CT (8.7 : 1)

 

Condenser microphone output transformer. Center tapped for phantom power.

 
   CM-1057 1 : 4   Dynamic microphone output transformer. Suitable for Shure SM57 and SM58. CM-1057.pdf        
 CM-11021 600:150  (2:1) +11dBu FET and bipolar transistor output stages requiring low turns ratio output transformer.  Hum-bucking (dual bobbins). CM-11021.pdf  
   CM-20110H
 CM-20110L
10.8K:150  (8.5:1) +30dBu Microphone output transformer.  Hum-bucking (dual bobbin).  Excellent bandwidth.  Choice of lamination composition ("H" or "L"). CM-20110.pdf      
  CM-13101 16.02K:200 (9.0:1)   Microphone output transformer. FET47 substitute. CM-13101.pdf      
  CM-13113 18K:200 (9.5:1)   Hum-bucking condenser mic output transformer. Excellent bandwidth and phase shift. T13      
  CM-13114 21.2K:150 (12:1)   Hum-bucking condenser mic output transformer. Excellent bandwidth and phase shift. T14 CM-13114.pdf        
    CM-24110 2.4K : 150 (4 : 1) +12dBu Twin bobbin microphone output transformer. Excellent even with high Z vacuum tube sources. Compact size. CM-24110.pdf      
   CM-2422H
 CM-2422L
8.45K:200 (6.5:1) +28dBu Dual bobbin (hum-bucking) condenser microphone output transformer. Choice of laminations. CM-2422.pdf     
 CM-2461NiCo 8450 : 200 (6.5 : 1) +24dBu Nickel-cobalt high performance microphone output transformer. Twin bobbins. Excellent performance even when driven by high impedance source (up to 20K). Upgrade transformer for Neumann U-47 microphone.
CM-2461NiCo.pdf 
Shootout
Rotund
Studio BV8 vs
CM-2461NiCo
 
   
   CM-2480 16.5K : 150 (10.5 : 1) +18dBu Twin bobbin microphone output transformer. Compact size. Recommended for use in place of direct box transformer (CM-DBX) for vacuum tube microphone output stage. CM-2480.pdf    
APEX 460 MOD
 
 CM-2510 9.6K:150 (8:1) +21dBu Hum-bucking condenser mic output transformer.
Excellent bandwidth and phase shift.
CM-2510.pdf        
    CM-2670 1:18/36 N/A Ribbon mic output transformer. Outputs can be switched for 1:18 or 1:36 to better accommodate mic preamplifiers that do not directly accept ribbon microphones. CM-2670.pdf        
  CM-5701 11.25K : 200 + 21 +28dBu BV12 style.  Hum-bucking.  Tertiary winding CM-5701.pdf        
  CM-5722 6.9:1    BV107 replacement. Hum-bucking        
  CM-6511 7:1   BV11 replacement - Hum-bucking      
  CM-17101 3.5:1   Hum-bucking        
CM-28122 Substitute for Langevin TF342-B          
   CM-96322H
 CM-96322L
14.5K : 200 [8.5 : 1]  >24dBu Twin bobbin microphone output transformer. Excellent for high source impedance vacuum tube source impedance.
Low nickel (high nickel & steel stack).
         
   CM-9711 3.75K:150 (5:1) +13dBu Condenser mic output transformer.  Hum-bucking (dual bobbin).  Secondary center-tapped. CM-9711.pdf  
   CM-9766 21.6K:150 (12:1) +28dBu Condenser mic output transformer for moderately high plate resistance tube circuits.  Faraday shielding.  CM-9766.pdf        
   CM-9887 0.12 : 150 (1 : 35)   Ribbon microphone transformer. Twin bobbin. RCA 6204-6    
Cinemag Verses
Lundahl
 
   CM-9888 0.19 : 150 (1 : 28)   Ribbon microphone transformer. Twin bobbin. RCA 44      
APEX 210 MOD
 

 
 
 
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