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Photos of prototype designs which may never have made it into production

Kolster Brandes Radios
A collection of more than 100, different models spanning 39 years from 1929 to 1968

Please click on a picture to see more details
A GREEN border indicates further images and details are available

Country of Manufacture

All believed to be made in UK  except if marked, e.g. Japanese Flag Japan      S. Rhodesia 

1927 to 1930
Solid oak cabinet TRF design, no built in loudspeaker. thumb wheel tuning

1927 KB Brandeset IIIA, 3 valve TRF design, this model is battery only
       

1929 KB Brandeset IIIA, 3 valve TRF design, this model is battery only

1929 KB 169, 3 valve + rectifier, TRF design, this model has a 240v mains power supply

1929 KB 72, Balanced armature speaker

1929 KB 163, 3 valve Screened Grid TRF design, this model is battery only

1930? KB 241 2 valve + rectifier TRF design. This is an AC mains radio.
1929
Leather case TRF, transportable, magnetic reed loudspeaker. thumb wheel tuning built in aerial
 

1929?? KB 156, 4 valve TRF design, this model is battery only
       
1930
TRF Design Bakelite case, magnetic reed loudspeaker

1930 KB 207 "Masterpiece", 2 valve TRF,
battery only
 
1930? KB 232, Balanced armature cone speaker 
   
1930 to 1933
Solid oak cabinet TRF design, magnetic reed loudspeaker, rotary knobs for tuning and reaction

1931 KB 348 "Masterpiece", 3 valve TRF, battery only

1930 KB "Pup AC", 2 valve + rectifier, TRF design, this model is AC mains

1931 KB 247 "Pup", 2 valve, TRF design, this model is battery only

1931 KB 253 "Pup", 2 valve + rectifier TRF design, this model is AC mains only
 

1931 KB 279, 4 valve AC Mains TRF

1933 KB 337, 4 valve Portable TRF

1931 KB 274 "Kobra" 3 valve, TRF design, this model is battery only 
 
1931 KB 305 "Kobra"  TRF design, this model is AC Mains only
 
1932
Decorative veneered ply cabinet, Electro-magnetic dynamic loudspeaker, vertical disc tuning dial

1932?? KB 286, 5 valve Superhet receiver.
 
1934 KB 393, 3 valve Battery TRF 
   
1932 - 1934
Decorative veneered ply cabinet, Electro-magnetic dynamic loudspeaker, Vertical drum tuning dial

1932 KB 321, 3 valve + rectifier TRF

1933? KB 320, 5 valve TRF
 
1933 KB 333, 3 valve Battery TRF

1934 KB 540, 5 valve superhet 

1934 KB 935, 5 valve superhet, neon tuning indicator

1934
Console radio with push pull output.


1934 KB 888, 8 valve "Standard" console Superhet
 
1934 KB 430, 4 valve TRF
   
1934
Decorative veneered ply cabinet, vertical speaker bars, Electro-magnetic dynamic loudspeaker, vertical disc tuning

1934 KB 381, 5 valve Superhet

1934 KB 397 "New Pup", 3 valve TRF

1934 KB 402, 4 valve superhet

1935 KB 405, 6 valve superhet
 
1934 - 1936
Decorative veneered ply cabinet, rectangular speaker grill, Electro-magnetic dynamic loudspeaker, Larger rectangular dial with rotating double ended tuning pointer

1935 KB 428, 6 valve superhet with neon tuning indicator

1935 KB 426, 5 valve superhet

1935 KB 433, 3 valve TRF

1936 KB 540, 5 valve superhet
 
1936? KB 550, 5 valve superhet
1936
Decorative veneered ply cabinet, verticle speaker bars, Electro-magnetic dynamic loudspeaker, angular crescent shaped dial with single tuning pointer

1936 KB 510, 5 valve TRF



1938 KB 640, 5 valve superhet,


1940 KB 808, 5 valve superhet
   
1938 - 1940
Decorative veneered ply cabinet, Electro-magnetic dynamic loudspeaker, large tuning dial with horizontal or vertical pointer driven by cord

1938 KB 650, 5 valve superhet, featuring "Alphadex" tuning dial

 

1938 KB 730, 5 valve superhet

1939 KB 830, 5 valve superhet

1940 KB 850, 7 valve superhet plus magic eye tuning indicator

1940 KB 880, 5 valve superhet. The black cabinet may not be the original finish 
1940
Portable self contained battery radio

1940 KB 817, 4 valve superhet portable
       
1939 - 1945
The 2nd World War years

1944 War-Time Civilian Receiver
       
1946 -
Plain veneered ply cabinet, Electro-magnetic dynamic loudspeaker, rotary tuning dial

1946 KB AR21, 4 valve superhet, for battery operation only

1946 KB AR30, 5 valve superhet,
     
1947
Bakelite case of unusual design, various colours including speckled black

1947 KB BM20, 4 valve superhet
 
1947 KB BM30, 4 valve superhet
     
1947
Wooden cabinet, permanent magnet dynamic loudspeaker, through lower dial control knobs, sloping front rear sloping top

1947 KB BR20, 5 valve superhet

1947 KB BR30T, 6 valve superhet, with tuning indicator, Export radio with unusual V design

1947? KB CR25, 5 valve superhet

1947 KB BR40, 7 valve superhet, with tuning indicator

 
1947 KB BR40T, 7 valve superhet, with tuning indicator, Export Model
1948 - 1951
Wooden cabinet, permanent magnet dynamic loudspeaker, narrow dial at top of front, side mounted control knobs, similar chassis but maybe Octal or B9A valves

 

1948 KB DR10 5 valve superhet

1949 KB ER10, 5 valve superhet

1949 KB ER15, 5 valve AC/DC superhet
   

1950 KB FR10, 5 valve superhet

 

1950? KB FR11, 5 miniature valve superhet for battery only operation

1951 KB GR10, 5 valve superhet
 
   
1949
Wooden cabinet, permanent magnet dynamic loudspeaker, narrow dial at top of sloping front, side mounted control knobs,

1949 KB ER30, 5 valve plus magic eye superhet
       
1950 - 1955
Bakelite case, permanent magnet dynamic loudspeaker, transportable "toaster" style radio, various models and wave bands.

1950 KB FB10, 5 valve "midget" MW & LW superhet

1950?? KB FB15T, 5 valve "midget" MW & SW superhet

1955 KB FB10FM, 5 valve FM superhet
   
1951
Plastic case portable, permanent magnet dynamic loudspeaker, for use with battery or mains MW & LW Superhet

1951 KB FP151, 4 valve mains/battery portable superhet
       
1951
Wood case, permanent magnet dynamic loudspeaker, front control knobs, wide tuning dial, Tygan speaker cloth

1951 KB GR13T, 4 valve MW, & SW with 6 bandspread ranges, superhet, Export Model

1951 KB GR40, 6 valve MW, LW & SW with 8 bandspread ranges, superhet

1952 KB HR10, 6 valve MW, LW & SW
   
1954
Wooden cabinet, permanent magnet dynamic loudspeaker, full width dial at top of front, front mounted control knobs,

1954 KB KR20, 5 valve, MW, LW & SW superhet.

1954 KB KR20/1, 4 valve,
& metal rectifier MW, LW
 & SW superhet

This example has had decorative veneers added

1954 KB KR20FM, 6 valve & metal rectifier, MW, LW & FM Superhet
   
1954 - 1955
Wood case, permanent magnet dynamic loudspeaker, front control knobs, speaker and dial side by side

1954 KB LR10, 5 valve, MW, LW & SW superhet

1955 KB LR10FM, 6 valve, MW, LW & FM superhet
     
1955
Bakelite case, front control knobs, wave change on side.

1955 KB MR10, 5 valve with metal rectifier, MW, LW & FM
       
1955 - 1958
The start of the iconic Rhapsody range of portable valve radios , The MP151 is a Bakelite case the rest are  plastic. Various colours

1955 MP151 "Rhapsody", MW & LW,
4 valve mains battery portable.
Link to Radio Museum

1956 MP151/1
"Rhapsody", MW & LW,
4 valve mains battery portable.

1957 MP151/2
"Rhapsody", MW & LW,   4 valve mains battery portable.

1958 MP151/3,
"Rhapsody",  MW & LW,  4 valve mains battery portable.

1958 KB PP11
"Rhapsody", MW & LW,  4 valve battery only portable.
 
1958 -
The Rhapsody De Luxe range of portable valve radios,  material covered wooden case, brass grill over speaker cloth.
   
1958 KB PP251,
Rhapsody De Luxe,  MW & LW, 4 valve mains battery portable, same chassis as MP151/2 above
 
 
1958 KB PP21,
"Rhapsody de Luxe", MW & LW,  4 valve battery only portable.
Link to Radio Museum
 
1957 - 1963
The start of the KB transistor range of portable Rhapsody radios, plastic case, various colours, all with similar chassis

1957 KB OP21,
Transistor Rhapsody,
MW & LW
 

1959 KB OP21/1
"Starlight Rhapsody"
MW & LW portable Transistor

1962 KB UP21
Scarlet, Golden & Starlight Transistor Rhapsody
 

1963 KB VP21
Carmina, Scarlet, Starlight & Golden "Rhapsody Super 8" MW & LW portable Transistor.
 
1959 - 1965
The first of the Transistor Rhapsody De Luxe portable radio range, material covered wooden case, brass grill over speaker cloth.

1958 KB OP21A,
Transistor Rhapsody,
MW & LW
Link to Radio Museum

1959 KB PP31/1
 "Rhapsody De Luxe" MW  & LW portable Transistor  same chassis as OP21/1  above

1962 KB UP31
"Rhapsody De Luxe" MW & LW portable Transistor same chassis as UP21 above
Rhapsody Deluxe Super 8 VP31; Kolster-Brandes Ltd. (ID = 272543) Radio
1963 KB VP31
"Rhapsody De Luxe  Super 8" MW & LW portable Transistor,
same chassis as KB VP21 above.

1965 KB KR012
 "Rhapsody De Luxe" MW,  LW, Lux, & SW portable Transistor
1956
Wood Cabinet, large speaker, vertical dial.

1956 KB NR30 "TriFi", MW, LW & FM 6 valve & magic eye,
       
1956 - 1958
Wood Cabinet, Radio Gramophone

1956 KB LG40 MW, LW, SW & FM 9 valve radiogram

1956 KB NRP11,
Portable Record Player

1957 KB OG10 "Minor Gram" MW, LW, & FM 7 valve Table radiogram
 
1958 KB PGT10 "Radio Tunetime" MW, LW, 5 valve Table radiogram
 
1957 - 1959
Bakelite low profile small case, 

1957 KB OB10 "Minuet", MW & LW, 5 valve mains  transportable.
 

1959 KB PB10FM "Minuet",
FM only, 5 valve & metal rectifier mains  transportable.

1959 KB PB10FM "Minuet"
FM only, 5 valve & metal rectifier mains transportable.
   
1959
Attaché case, plasticised fabric covered wood Cabinet, narrow elliptical front facing speaker

1959 KB QP21 "Gaiety", MW & LW Transistor,
       
1959
Wooden baffle board, with ply and card back, woven rush type speaker cloth.

1959 KB "Nocturne", 5 valve MW, LW radio
       
1960
Tape Recorder and Record Player, Fablon covered wood cabinet

1960 KB RRP20 "Rhythm", Record Player

1960 KB RT20/2 Tape Recorder
     
1960 - 1961
Bakelite case wide elliptical speaker

1960 KB RB10 "Gavotte", MW & LW 4 valve mantle radio

1961 KB TR11 "tango", MW & LW TRANSISTOR mantle radio
     
1960 - 1961
Plasticised fabric covered wood, or plastic Cabinet,

1960 KB RP21 "Romance", MW & LW Transistor

1961 KB TP41 "Cavalier", MW & LW Transistor

1961 KB SP31 "Sonata", MW & LW Transistor

1962 KB UP11 "Cadet", MW & LW Transistor
 
 
1963
2 models one with plastic case the other with fablon covered wood, similar in style to the Rhapsody range

1963 KB WP21 "Lyric", MW & LW Transistor, plastic case

1963 KB WP31 "Calypso", MW & LW Transistor, wood case
     
1963 - 1968
Plastic case, small form

1963 KB WP11 "Carioca", MW & LW Transistor,

1965 KB KR010, MW & LW Transistor,

1965 KB KR017, MW & FM Transistor,
 
1966 KB KR021, MW & LW Transistor,
 
1968 Japanese Flag KB KR607, "Jet Set" MW,
LW & FM Transistor,
1964 - 1965
Plastic case, metal speaker grill

1964 KB KR016, "International" MW,
SW  & FM Transistor,

1965
KB KR026, "Conquest" MW,
LW  & FM Transistor,

1965 KB KR019, A "Foreign" made, possibly Japan. MW,
LW  & FM Transistor radio.
   
1967
Teak veneered wood case, Scandinavian style

1967 KB XR51, MW & LW, FM Transistor table radio
       
1965 - 1968
Wood case, fablon covered, Record Players

1965 KB "Discomatic" Portable Jukebox

1965 KB KP031 "Starlight Serenade" Record Player

1966 KB KP034 Record Player

1966 KB KA035 Amplifier/ Stereo adaptor

1968 KB KP036 Record Player
1966 - 1968
Wood case, fablon covered, top mounted tuning dial and controls, hinged handle

1967 KB KR022, "Commodore" MW & LW Transistor,

1967 KB KR023, "Commodore" MW & LW Transistor,

1967 KB KR600, MW
& LW Transistor,

1968 KB KR601, MW,
LW & FM Transistor,
 
1968?
Teak veneered cylindrical loudspeaker
       

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Last modified: 13-10-2017