THE GREAT MULLARD MAGIC BLOG — mullard magic

There will soon be a new way to buy the Mullard Magic products you know and love.

Due to popular demand, we will be starting our own online auction site "Mull-bay."

In late 1952, a new range of Mullard B9A Noval based valves having 6.3V heaters were introduced aimed at use in audio amplifiers. PRE-AMPLIFIER - type EF86 now replaced the EF37A or EF40 having similar charcteristics to the EF40 with a gain of up to 140 being achievable.  The heater of the EF86 is rated at 6.3V @ 200mA. DOUBLE-TRIODES - three new devices were made available  - the ECC81 being a medium impedance valve, the ECC82 a low impedance and the ECC83 a high impedance.  All designs have independant cathodes for each section, centre tapped and capable of operation...

Hopefully you will visit us here at Mullard Magic from time to time so please be sure to book mark us for your convenience.  That said, please be sure you input or capture the correct URL or else you may inadvertently visit our sister site Mallard Magic.   Now although this is a very nice site indeed, and  I am partial to the odd Muscovy Duck or even a Canada Goose.  Talking of Muscovy ducks, I bet you wish you had a charming twack of ducks like my friend Richard has, lovely  non-quacky little things they are too, and they live in a...

Today's Mullard archive photograph shows a Mullard Whyteleafe Valve Assembly Department operator removing an electrode cage from one of the dustproof boxes in which valve components were stored when not undergoing manufacturing operations.  As you can see, the operator's right hand holds a pair of welding tweezers with which she is about to weld a getter bar onto a selected electrode cage.  The BBC European Service Science Correspondent in 1953 was CL Boltz and he had much to say about the valve assembly operations but that is a subject for another day and another blog entry.