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Model: MCF-9 ==> 9-pin miniature tube cooler

 

Fits the following types: 12AX7, 6DJ8, 5687, 6N1P, etc.


   
 

Working Clearances

 
   
 
 

Convective Cooling - Normal Operation

         
         
Equipment: Test rig   Power - Fil: 2.25W
Serial no: N/A   Power - Anodes: 1.5W
Tube type: 6DJ8   Power - Total: 3.75W
Mfg. by: Ei - Yugoa   Cooler type: 9-pin miniature
Bulb dia. .80"   Cooler height: 1.125"
Bulb area:: 3.4 sq. in.   Cooler area: 28 sq. in.
         
Notes: