Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Submerged repeater amplifier, 1967

1967

Submerged repeater for TAT-1, 1956

1956

Transistorized audio-frequency telephone line amplifier, 1954

1954

Transistorized audio-frequency telephone line amplifier, 1953

1953

Transistorized audio-frequency telephone amplifier, 1955

1955

Probably a battery powered amplifier

Microphone Amplifier type OBA/8, 1939

circa 1939

Third manufacturing stage of Amplifier for Lyman-alpha detector

BBC amplifier type IB/103 used for outside broadcast with new ribbon microphone. In case

1935

Prototype Cox selenium-cell magnifier equipment, 1910-1920

1910-1920

Home-built amplifier

1965; 1965

Valve amplifier, by Shirley Laboratories Ltd, 1954-1960

1954-1960

Marshall JVM410H-H 100W guitar amplifier head and associated accessories

2017

BBC ERU/1 Equaliser and Repeater Unit. Transportable (mains only) line equaliser and repeater amplifier unit

BBC OBA/9 Trap Valve Amplifier

1952

BBC OBA/8 Outside Broadcast Amplifier

1938

BBC C/8 Amplifier

circa 1963

BBC 2CT/2 Loudspeaker Amplifier

Outside Broadcast Audio Amplifier

1900-1930

BBC C/3 Amplifier

BBC TSA/2 Tone Source Amplifier

circa 1931

BBC AM8/6 Loudspeaker Amplifier

1963

BBC GPA/1A General Purpose Amplifier

Outside Broadcast Audio Amplifier

1936

BBC AM7/3 Internal Send amplifier modules

1972

BBC D/11 General Purpose Amplifier

circa 1943

BBC OBA/9 Outside Broadcast Amplifier

1952

BBC OBA/8 Microphone Amplifier & Programme meter

1938

two-wire telephone repeater, 1923-1925

1923-1925

Home-constructed Williamson amplifier, c. 1949

circa 1949

Leak "point one" sound pre-amplifier, 1956

1956

Marconi BD517C microphone and general purpose amplifier module

1961

BBC D/2 Amplifier

1931

Heurtley magnifier, 1919.

1919

Multi-wavelength gain block erbium doped fibre amplifier, 1999

1999

Amplifier made by Trio, 1971

1970-1971

Three-stage amplifier and equaliser

1931-1940

Internal electrode structure from Adler tube low-noise amplifier

1960

Experimental, high-power, demountable Adler tube amplifier (tube only)

1960

BBC AM8/14 (Quad 303A) Amplifier

1976

Outside Broadcast Audio Amplifier

1936

BBC TV/21 Trap Valve Amplifier

circa 1943

BBC AM6/7 Limiting Amplifier

1968

BBC OBA/8 Outside Broadcast Amplifier

1938

BBC AM8/14 (Quad 303A) Amplifier

1976

BBC AM8/11 (Quad 50D) Loudspeaker Amplifier

1966-1974

Pye 4060 Compression Amplifier

circa 1965

BBC AMC/2 Microphone Amplifier

BBC AM14/21 Booster Amplifier

1977

Leak TL12.1 (BBC LSM/8) Audio Amplifier