Valve amplifier used by Frédéric Joliet and Irène Joliot-Curie
1930-1934
Relay amplifier use with gun sights Mk 5,7,8.
Direct Current Amplifier for Ionisation Chamber
1955-1969
Autopilot servo-amplifier
Servo amplifier as used in RAE CTV 1
Armstrong stereo amplifier, type 521
Low noise parametric amplifier
Adler tube amplifier, ZETA
1961
"Beam Echo" valve stereo amplifier Model P/1A
R.C.A. amplifier type LM1 32216
Sterling two-valve audio amplifier, c. 1925
Marconi amplifier, type 55, c. 1918
Brown microphone amplifier, serial no. 1265
Marconi L S 3 Power Amplifier
Items from 570 MHz Adler tube low-noise amplifier
Amplifier for use with broadcast receiver, about 1925
1923-1927
Brown microphone amplifier
One-valve audio-frequency amplifier by Reliance Radio Service
Power amplifier Travelling Wave Tube type N 1033/1035
Power amplifier Travelling Wave Tube N 1029
Feranti Parametric Amplifier
1970
"Crystavox" loud speaker
Preamplifier, 12 GHz
Engine control amplifier (Smith's)
Two Channel Power Amplifier
Two Channel Power Amplifier
Solartron DC Decade Amplifier AA900, 1960
1960
Travelling-Wane Tube Amplifier Assembly: GEC Type PMC14
1960
X-band parametric amplifier, 7.275 GHz, by Mullard
Pre-amplifier/mixer for audio equipment
Microwave amplifier (2GHz) about 1960
Belling Lee television mast-head amplifier
Meter amplifier
1960-1979
Frenophone loudspeaker amplifier, 1922
Parametric amplifier tube, type N 1037
Leak "TL/25 Plus" audio amplifier
Rod Amplifier Head from solid state Neodymium laser
1961-1971
Sperry Attitude Director Display Amplifier
Amplifier unit
Dowty series 4900 Servo Amplifier
R.C.A. pre-amplifier type LM1 32215.
Original amplifier made and used by the Building Research Station in vibrating acoustic strain-gauge experiments
2 KW Klystron amplifier
Amplifier, valve Mk 1 No. 40
Ferranti Parametric Amplifier
Leak "Point One" amplifier, model TL12
Marconi Type 55 amplifier
Western electric loud speaking amplifier of 1923
1923
Loud speaking amplifier (Western Electric Co. Ltd)
Small microphone amplifier, made by S.G. Brown and Co Ltd, 1918-24
1918-24