BNIB, a matched pair of NOS military spec Mullard CV454 KB/DA EF93 valves with gray plates and halo getters. The letters YK are below the war dept arrow. The same Blackburn dates codes are on the valves - LX1 B4K4. Come with pin covers. Tested very good. Test results are:
1. EM 80% GM 97%
2. EM 130% GM 90%
The valves have been tested on the Amplitrex AT1000. Please read the condition section as this forms part of the description. Unpacked weight is 0.035 kg.
For UK Shipping. Please note shipping in the UK where possible will be using Royal Mail. However, due
to the new size restrictions implemented by the Royal Mail which has
resulted in very large increases in P&P costs for certain items, they
will be shipped via courier using a drop centre which will increase the
delivery time.
For Overseas Shipping. The item will be shipped Signed For for overseas.
Packages weighing over 2kg will be sent via International Signed For
Courier.
Combined postage is offered on all items and is based on the
packed weight.
Shipping
costs for all returns are at the Buyers cost unless the item was
misdescribed in the original listing or this was not covered in a
subsequent question or revision to the listing. Overseas bidders are
responsible for settling any Customs Duties or Fees on items they
purchase.