|
gptkbp:instanceOf
|
Electronic Amplifier
|
|
gptkbp:alternativeName
|
Valve Amplifiers
|
|
gptkbp:application
|
gptkb:Guitar_Amplifiers
Audio Amplification
Radio Transmission
|
|
gptkbp:audio
|
Harmonic Distortion
Rich Overtones
Smooth Clipping
|
|
gptkbp:category
|
gptkb:audio_equipment
Analog Electronics
Guitar Equipment
Radio Technology
Vintage Technology
|
|
gptkbp:component
|
Pentode
Tetrode
Triode
|
|
gptkbp:declinedAfter
|
1960s
|
|
gptkbp:feature
|
High Distortion
High Heat Generation
Large Size
Warm Sound
|
|
gptkbp:hasComponent
|
gptkb:Vacuum_Tube
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Vacuum Tube Amplifiers
|
|
gptkbp:introducedIn
|
Early 20th Century
|
|
gptkbp:inventedBy
|
gptkb:Lee_De_Forest
|
|
gptkbp:maintenance
|
Tube Replacement
|
|
gptkbp:notableBrand
|
gptkb:Fender
gptkb:Dynaco
gptkb:Marshall
gptkb:McIntosh
gptkb:Audio_Research
|
|
gptkbp:notableModel
|
gptkb:Marshall_JCM800
gptkb:Audio_Research_Reference_75
gptkb:Dynaco_ST-70
gptkb:McIntosh_MC275
gptkb:Fender_Bassman
|
|
gptkbp:popularFor
|
Musicians
Audiophile Community
|
|
gptkbp:powerSource
|
Electricity
|
|
gptkbp:predecessor
|
gptkb:Transistor_Amplifiers
|
|
gptkbp:region
|
Worldwide
|
|
gptkbp:replacedBy
|
gptkb:Solid_State_Amplifiers
|
|
gptkbp:requires
|
gptkb:High_Voltage
|
|
gptkbp:revival
|
Late 20th Century
|
|
gptkbp:usedIn
|
gptkb:Hi-Fi_Audio_Systems
Broadcast Transmitters
Electric Guitar Amps
Vintage Radios
|
|
gptkbp:bfsParent
|
gptkb:MIT_Radiation_Laboratory_Series_(books)
gptkb:Radiation_Laboratory_Series
|
|
gptkbp:bfsLayer
|
6
|