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(!!) (#1 12AX7 Best Value) 12AX7=ECC83 Ultron SQ India Mullard clone ribbed plates low hours 1970's (Gm=1500/1700)

(!!) (#1 12AX7 Best Value) 12AX7=ECC83 Ultron SQ India Mullard clone ribbed plates low hours 1970's (Gm=1500/1700)

$ 24.99

1 low noise tube) 12AX7=ECC83 Ultron SQ India Mullard clone ribbed plates low hours 1970's in white box

1 section) Gm=1500 (0.9ma) 

1 section) Gm=1700 (1.3ma) 

 

same internal build as 12AX7 Mullard

 

 

V=Bharat Electronics Ltd., Bangalore, India

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