ECC83 12AX7 Mullard Old Logo “BRITISH MADE” B code on glass

Mullard ECC83 Old Penta logo £ 90 pair

Description

Selection of Mullard ECC83 12AX7 Old Logo BRITISH MADE printed on glass and B code made at Blackburn UK. One of the best entry level for this dual triode.

All tested 100% and working order.

Please check out all pictures

Valves tested 1.2/1.2mA with 100% emission

 

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