These codes appear on labels attached to the rear chassis of the reciever
|
|
BVA NUMBER |
COSSOR | MAZDA | EVER READY |
FERRANTI | MARCONI OSRAM |
MULLARD | PHILIPS | BRIMAR |
---|---|---|---|---|---|---|---|---|
274 275 276 |
OM10 | --- | ECH35 | 6K8G | X61M | ECH35 | --- | 6K8G |
243 246 247 |
6K7G OM6 |
--- | EF39 | 6K7G VPT62 |
--- | EF39 | --- | 6K7G |
264 265 266 267 |
--- | --- | EL33 | --- | --- | EL33 | --- | 6AG6G |
211 214 215 216 |
431U | UU5 | A11D S11D |
R4 | U14 MU14 |
DW4/350 IW4/350 |
1561 1867 |
R2 R3 |
The last digit of the BVA number identifies the actual manufactur
of that valve as follows:-
1 | Cossor | |
2 | Ediswan | |
3 | Ferranti | |
4 | G.E.C. (Osram) | |
5 | Marconiphone | |
6 | Mullard | |
7 | S.T.C. (Brimar) |
The rear panel measures 11.2 inches wide by 9.7 inches high. The panel cut-out
dimensions are shown above (not to scale)..
Click on the image above for a 600 d.p.i. scan
of the rear cover's label (file size is 257K)
Page copyright © J.Evans 2002 |
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Last updated 8th April 2002 |