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G.E.C.

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The General Electric Co. Ltd.,
Magnet House, Kingsway,London WC2 (at least 1949-1954)

1936 - 1939

BT9121 BT0091 BT3702 BT3701
BT0124 BT8121 BT8161
BT0070 BT8070 BT8090
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
?1936? BT3701 C 9" / 12"
(See note 1)
22 S/Het   £99-15-0?
£63-0-0 (aug37)
~Sep36 BT3702 C 9" / 12"
(See note 1)
    Incl. radio. Shown at the 1936 Radiolympia. Inc;. radio?  
30th Sep
(year?)
BT0070 T 7" Osram
type 4405
15 1ch S/Het Vision-only. £23-2-0
4th Sep
(year?)
BT0091 C 9" Osram
type 4501
16 1ch S/Het   £33-12-0
BT0092   As model BT0091 but including a 3-band radio  
  BT3071 C          
  BT8070 T          
1937 BT8090 T 9" 15   Vision-only. £35-0-0²
1937 BT8121 C (Mirror) 12" 22 S/Het   £84-0-0
BT8161 16" One of the de-luxe models shown at 1938 Radiolympia. Inc. Radio. £115-10-0
£99-15 (Aug37)
£73-10 (Aug38)
  BT8181 C (Mirror)          
1938 BT9121 C 12" 19     £38-17-0
1938 BT9122 C
(Mirror)
22   Incl. all-wave radio. £63-0-0
~Jul39 BT0124 C 12" Osram
type 4603
(Electrostatic
deflection )
18 + 5(Radio) 1ch S/Het Included radiogram. £75-12-0

Note 1 : In the latter half of 1937, G.E.C. offered to upgrade the 9-inch models they had sold previously to 12-inch models, free of chrge.
Note 2 : BT8090 price as announced in a review of the 1937 Raiolympia show. May have also been sold at a lower price of 30gns (£31-10-0). Price given at the 1938 Radiolympia was £24-3-0.

1946-1949

BT1091 BT1093 BT7092 BT9144
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Jul48 BT7092 T 9"
GEC
6501
24 1ch
S/Het
Inc. radio £96 12s + £21 19s 6d tax
Reduced to £71 8s + £16 4s 10d tax (Sep48)
<=Sep1948 BT7094 C Reduced to £79 16s + £18 3s 1d tax (Sep48)
Jun49
BT1091
BT1091C
T 9" 19² 1ch
S/Het

'C'
indicates
fringe
model,
Initial 'A' version was London-only. Replaced in august by 'B' version for London or Birmingham.
Trader #1019.
£54-2-8 £44-2-0
£10-0-8
15th Aug 49 BT1093
BT1093C
C (Bookcase) Birmingham version released later. Chassis based on BT1091. Trader #1019.
£70-17-9 £57-15-0
£13-2-9
<Sep49 BT9144 C 14"     All-wave radio
£154-13-4 £126-0-0
£28-13-4

Note 3 :Although GEC used OSRAM valves almost exclusively, OSRAM did not have a valve suitable for "modern" line output stages. It must have really hurt for them to have used a Mullard valve for the job !

1950/1951

BT5144 BT4541 BT4542 BT2147 BT5145
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Apr50 BT4640 C 12" GEC 6703 19 2ch Modified BT1091B chassis.
Trader #1019
£x-x-x £64-6-2
£x-x-x
Jul50 BT2147 T 9" GEC
6505A
16   Trader #976
£45-3-0 £36-17-5
£8-5-7
Sep50 BT5144 T 12" GEC
6704A
£58-16-0 £48-0-4
£10-15-8
?Apr51 BT4541 C
£74-12-0 £61-14-8
£13-17-4
Aug51 BT5145 T 12" Al.
GEC6706A
15 5ch TRF (via exchanged RF chassis)
'C' indicates London fringe model.
Trader #1047
£x-x-x £54-6-10
£x-x-x
1951 BT4542 C
£91-0-0 £x-x-x
£x-x-x

 

1952 / 1953

BT4544 BT5146 BT5147 BT4543
BT5543 BT6145 BT6542
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Aug52 BT5146 T 12" Al. Osram
6706A
15   Trader #1099
£59-17-0 £45-15-5
(£14-1-7)
Aug52 BT4543 C
£74-11-0 £55-15-4
(£18-15-8)
<=Jan53 BT6145 T 16"      
£99-15-0 £x-x-x
£x-x-x
BT6541 C  
£134-8-0 £x-x-x
£x-x-x
Jul53 BT5147
T 14"
Mullard
MW36-24
16
Osram & Mullard
5ch Unusually these sets utilise a Barretter in series with the valve heaters, something generally only found in pre-war radios.

BT5246, BT4643 and BT5642 are fringe models.

Trader #1112
£63-0-0 £47-2-6
£15-17-6
Jul53 BT5246
£65-2-0 £48-13-11
£16-8-1
Aug53 BT4544
C
£80-17-0 £60-9-6
£20-7-6
Aug53 BT4643
£83-19-0 £62-1-0
£21-18-0
Aug53 BT5543 C+D
£89-5-0 £66-15-3
£22-9-9
Aug53 BT5642
£91-7-0 £68-6-7
£23-0-5
<Aug53 BT6542 C 16"      
£91-7-0 £x-x-x
£x-x-x
<Aug53 BT6641     Fring version of BT6542
£93-9-0 £x-x-x
£x-x-x

1954 / 1955

YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Jun54 BT1746 T 14"
MW36-24
or
GEC7201A
16 3ch (!) ERT 28Aug54
£68-5-0 £51-1-1
£17-3-11
Jul54 BT4743 C
£80-17-0 £60-9-6
£20-7-6
Jul54 BT5643 C 16"
GEC6901A
£93-9-0 £69-18-1
£23-10-11
  BT5643R BRT Test report TV81  
  BT8640  
Jun55 BT1252 T 14" 13 12ch BRTR TV96 Oct56
£x-x-x £51-1-1
£x-x-x
Aug55 BT2745R T 17"
GEC7401
or
Mullard MW43-64
£x-x-x £60-11-4
£x-x-x
Aug55 BT5248 C 17" 15
£97-13-0 £73-5-7
(£24-7-5)
BT5347
£93-9-0 £73-5-7
(£20-3-5)
BT8245 C+D
£107-2 £80-0-2
(£27-1-10)

1956 / 1957

BT1748 BT2253 BT3251 BT8640
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Jun56 BT1748 T 14"
7203A
17 12ch Trader #1270
£x-x-x £50-2-0
£x-x-x
BT2747 T 17"
7401A
£x-x-x £59-1-5
£x-x-x
BT5348 C
£x-x-x £71-0-8
£x-x-x
Aug56 BT3251 T 21"
MW53-80
17 12ch Similar chassis as the BT1748 series but with modified line output / EHT stages for the larger tube.
£104-19-0 £x-x-x
£x-x-x
Jun56 BT9343 C
£147-0-0 £x-x-x
£x-x-x
May57 BT1155 T 14"
7204A
16 13ch Same chassis as BT2253 but with one less I.F. stage.
£x-x-x £44-2-4
£x-x-x
BT2253 17"
7404A
17 Optional table for £3-3-0. Trader #1316
£x-x-x £51-11-11
£x-x-x
BT3252 21"
7502A
Similar chassis to BT2253 but modified timebases.
£95-11-0 £66-11-0
(£29-0-0)

1958 - 1959

Picture of BT2155 table model [7K] Picture of table model BT2254 [8K]
BT2155 BT2254
YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Aug58 BT2155 T 17" 16   Two versions exist, with either hand-wired or PCB-based IF amplifier. Circuit as BT2254 but with one less IF amplifier.
£x-x-x £51-11-11
£x-x-x
BT8149 C
£x-x-x £56-16-7
£x-x-x
BT2254 T 17 Trader #1373.
£x-x-x £53-1-10
£x-x-x
BT8248 C
£x-x-x £58-6-6
£x-x-x
??? BT8640 Consolette          
May59 BT302 T 17"
GEC
7405A
16
(+1 for fringe models)
  BT303 and BT305 are fringe versions of BT302 and BT304.

Trader #1444, ERT1213
£68-5-0 £51-1-1
(£17-3-11)
BT303
£70-7-0 £52-12-6
(£17-14-6)
BT304 Consolette
With doors
£75-12-0 £56-11-1
(£19-0-11)
BT305
£77-14-0 £58-2-5
(£19-11-7)
Aug59 BT306 T 17" 20 12ch Includes VHF radio.
£74-11-0 £x-x-x
£x-x-x
BT308 C'lette 17"
£81-18-0 £x-x-x
£x-x-x
Aug59 BT312 Consolette 21" 16   Chassis as per BT302 etc
£x-x-x £66-15-2
£x-x-x
BT316 Portable 17"
£x-x-x £48-13-11
£x-x-x

1960 - Onwards

YEAR MODEL STYLE CRT VALVES RF NOTES PRICE
Jun60 BT318 T 17"
GEC7405A
16 12ch  
£51-9-0 £x-x-x
£x-x-x
Nov60 BT320 C'lette with
tambour
doors
 
£61-19-0 £x-x-x
£x-x-x
Dec60 BT328 C'lette 21"
GEC7504A
 
£86-2-0 £x-x-x
£x-x-x
Aug61 BT337 T 19"
GEC7601A
17 4 push
buttons
 
£69-6-0 £x-x-x
£x-x-x
BT347 23"
GEC7701A
£80-17-0 £x-x-x
£x-x-x

 

Click for larger view [104K] Click for larger view [109K] Click for larger view [97K] Click for larger view [99K]
BT0091
Advert from August 1939
Link to larger view [104K]
BT7092 / BT7094
Advert from March 1949
Link to larger view [109K]
BT1091
Advert from July 1949
Link to larger view [97K]
BT9144
Advert from September 1949
Link to larger view [99K]
Click for larger view [107K] Click for larger view [103K] Click for larger view [95K] Click for larger view [89K]
BT2147
Advert from August 1950
Link to larger view [107K]
BT5144
Advert from February 1951
Link to larger view [103K]
BT4541
Advert from April 1951
Link to larger view [95K]
BT5145
Advert from September 1951
Link to larger view [89K]
Click for larger view [81K] Click for larger view [88K] Click for larger view [87K] Click for larger view [95K]
BT4542 / BT5145
Advert from March 1952
Link to larger view [81K]
BT5146
Advert from September 1952
Link to larger view [88K]
BT5146
Advert from October 1952
Link to larger view [87K]
Advert from August 1953
Link to larger view [95K
Click for larger view [59K] Link to larger view [63K] Click for larger view [59K]
BT6145
Advert from January 1953
Link to larger view [59K]
BT4453 / BT5146
Advert from May 1953
Link to larger view [63K]
BT5147
Advert from January 1954
Link to larger view [59K]
  Click for larger view [82K] Click for larger view [85K]  
  BT3251
Advert from September 1956
Link to larger view [82K]
BT2155
Advert from July 1958
Link to larger view [85K]
 

On-Line Service Manuals

Model(s) File Size Source
BT1091A 1.2MB Manufacturers data. Thanks to Brian C. for the excellent scans.
BT7092 1.4MB Manufacturers
BT1252 / BT2745R 1.8MB Manufacturers Service Bulletin #180
BT318,319,320 and 321 2.8MB Manufacturers

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