Audio Tube Data Sheets
For tubes most often used in Ampeg amplifiers

 
Output Tubes
 6L6GC 6V6GTA  6550A
 6BQ5  7868 7027A		  5881  6CA7 EL-34
 EL-84  7591A
Preamplifier Tubes
 12AX7A 12AU7  12AT7
 12AY7  6EU7 6SN7		  6SL7  7025 7199
 6K11  12DW7
Rectifier Tubes
 5Y3GT 5U4GB  5AR4 GZ34

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