EL84M

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf vacuum tube
gptkbp:characteristics compact size
warm sound
high efficiency
low distortion
gptkbp:commonName cathode poisoning
filament failure
gassy tube
grid emission
shorted elements
gptkbp:customerBase Noval
gptkbp:developedBy Mullard
gptkbp:elevation about 20
gptkbp:engineConfiguration push-pull
gptkbp:frequency 20Hz to 20kHz
gptkbp:gridConnection 6.3V
300V
https://www.w3.org/2000/01/rdf-schema#label EL84M
gptkbp:inputOutput 8 ohms
gptkbp:introduced 1953
gptkbp:isOffering cathode bias
fixed bias
gptkbp:maxTakeoffWeight 12W
gptkbp:operatingHours Class A
gptkbp:operationalStatus up to 250°C
gptkbp:outflow 9-pin
gptkbp:powerOutput up to 15W
gptkbp:producedBy various companies
gptkbp:relatedApplication guitar amplifiers
gptkbp:relatedPatent 0.76A
gptkbp:relatedTo gptkb:EL84
12AX7
EL34
12AT7
12AY7
6V6
6L6
6BQ5
12AU7
gptkbp:replacedBy 6BQ5
gptkbp:supplyChain 250V
gptkbp:type single-ended
push-pull
power amplifier tube
gptkbp:usedIn audio amplifiers
home audio systems
musical instrument amplifiers
stereo amplifiers
hi-fi audio systems
vintage amplifiers