Dual triode valves Noval

Mullard CV4003 6189 £ 150 pair

Mullard CV4003  KQDD/K £ 100 pair

Mullard Ecc83 12AX7 17mm Square getter welded plate £ 400 pair

Mullard Ecc83 12AX7 17mm Square getter MC1 £ 450 pair

Mullard New Penta logo  ECC83 12AX7 £ 100 pair

Mullard M8137 boxed plate ECC83 12AX7 £ 250 pair