ECC83 12AX7 Mullard M8137 CV4004 KB/D boxed plate holy grail the KING of ECC83 12AX7

Mullard M8137  THE KING boxed plate ECC83 £ 150 pair

Mullard CV4004 KB/AD 12AX7 ECC83  £ 100 pair

 

Description

In our opinion the M8137 Mullard CV4004 remains one of the very best sounding valve. 

Boxed plate with round getter! Heavy soldering on base.

Large U-shaped  posts rods with Single bar supporting the getter (please check pictures)

Few of these left around! Both triodes are well balanced to produce (like all ECC83 Mullard) a stunning sound 

Price for Mullard M8137 boxed plate ECC83 £ 75 each. 

We also have the Mullard CV4004 KB/AD 12AX7 ECC83 a special version with 17mm plate and ‘asymmetrical’ plate £ 50 each

Matched pair; matched quartet or more available; please contact us for quantity etc.

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