Antique radios, Old Time Radios
N709
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Country:
Great Britain (UK)
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| Identical to |
N709
= 6BQ5
= EL84
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| Similar
Tubes |
Other class quality (otherwise equal):
6BQ5B
; 7189
|
| First year |
1953
Tube leaflet collection E.Erb Analysis by original leaflets
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| Filament |
Vf 6.3 Volts / If 0.75 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Output pentode
Launched early 1953; Equivalent type: 6BQ5
Predecessor: EL41
Successor:~ECL86
The very successful EL84 is the last developing step
from EL3 via EL41 to the final point of radio output pentodes. It's dissipation
power was increased from 9 to 12 watts, giving an output power of 5.7 watts,
which was seldom utilized. The sole later launched ECL86 may not be considered as
a true successor as it is a multiple beam-power-tube with again only 9 Watts.
[J.R.18Feb2003]
Text in other
languages (may
differ)
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| Information source |
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N709: RTT Schwandt
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19
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