6X4 CV493 KB/Z and CV4005 KB/Z GEC made at Hammersmith audio rectifiers
CV493 GEC KB/Z Hammersmith GBP 100 pair.
CV4005 GEC KB/Z Hammersmith GBP 100 pair.
Description
Though a small 7-pin rectifier, the 6X4 EZ90 U78 can be used in many radio sets as well as audio amplifiers when such a valve is required.
The input is 325-0-325. Audio Magical will show some of the most successful 6X4 EZ90 and other variations of the same valve.
This sections shows two types of 6X4 military codes CV493 and CV4005.
CV4005 GEC have black plate and large getter
CV493 another military version of the same valve comes also with black plate and large getter. The lot here shown comes with vertical lettering on glass.
Can be sold in pairs or quartet, please check price below.
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