Data set 01
1947 Westinghouse
Published operating points and test conditions from this source.
Beam Power
Other
BEAM POWER AMPLIFIER TYPE
7591
BEAM POWER AMPLIFIER TYPE 7591A
watts with
450
watts with 1,5% total harmonic distortion is available in push-pull Class AB1 opplication with 450 volt plate
voltage and
400
voltage and 400 screen voltage.
e e e T
550
e e e T-9 Glass Plote Vols 550 Volt
Screen Voltage . . . .. . .o
440
Screen Voltage . . . .. . .o . 440
.. 19.0 Watts
19
.. 19.0 Watts
evnting Fesitio
3.3
evnting Fesitio 4 Screen Dissipation(Nete 1) . . . .., .. ...... 3.3 Watts
Heater Voltage, ACor DC
0.3
Heater Voltage, ACor DC . .. ... ... ..... 6.3 Volts With Fixed Bias .., . ... ............. 0.3 Megohms
Heater Current
1
Heater Current. . . . . . . ... .. . .. 6.80 Amperes With Cathode Bias . . .. . .. ... .. ....... 1.0 Megohms
Total DC ond Peak . .«
300
Total DC ond Peak . .« . 200 Volts Plote Yoltage « .. s e s o, .. . 60 (Note 2) 300 Yolts
X
100
X 100 Volts ‘;"‘kNA“‘F'
Total D.C. and Peak. S
0
- Total D.C. and Peak. S 200 Volts Plote Current {Zoro Signal) - . . - 140 (Note 3) 0 Ma.
Output. v v e v
10200
Output. v v e v 5.0 et Transconductance -« v oo s o s 50 *= 10,200 Micromhos
Triode Amplification Foctor. ,. . =
16.8
Triode Amplification Foctor. ,. . = 16.8 -
Lood Resistancoe s we e v v ay oy o
3000
Lood Resistancoe s we e v v ay oy o 3000 Ohms
Power QUtput
4
Power QUtput 4+ eo s s vt v ev v s = M Watts
] m Plote Supply Voltage
425
] m Plote Supply Voltage . .. ... ... ... 400 425 Volis
Grid | Yeltage
-20.5
Grid | Yeltage. .. ............. -20.5 .- Volts
T¢
185
T¢9 25, Jubes) . . ... ... .. 185 Ohms
¥y Mar. Peak A.F. Grid-to-Grid Voltage ... .. al
42
¥y Mar. Peak A.F. Grid-to-Grid Voltage ... .. al 42 Yolts
UW Intormediate Effective Lead, Plate-to-Plate
46600
UW Intormediate Effective Lead, Plate-to-Plate . . . . . . 6600 46600 Ohms
. ... 32 26 Watts
26
. ... 32 26 Watts
Plote Supply Voltage
450
Plote Supply Voltage . . . . ... ............... 300 350 400 450 450 450 Yolts
Sereen Supply Voltage . . ... .. ... ... . ...,
400
Sereen Supply Voltage . . ... .. ... ... . ..., 300 350 350 350 400 400 Valts
Common Cathode Resistor
200
Common Cathode Resistor . .. ... ... - .- .- -- - - 200 Ohms
Effective Load, Plate-to-Plate
6600
Effective Load, Plate-to-Plate . . . .. ... ........ 6600 6600 6600 65600 6600 Qoo Ohms
1. Screen dissipation may be permitted to treoch & watts dur
1
1. Screen dissipation may be permitted to treoch & watts during the periods of maximum input of speech and music
2. Appliad for short interval (2 seconds maximum) so os not
2
2. Appliad for short interval (2 seconds maximum) so os not to damage tube,
F] Plate Volts =
450
F] Plate Volts = 450
t Grid
35
-t Grid 2 Volts = 400 cent HHEE 35
25° 20 e e T TR 5
5
25° 20 e e T TR 5
° Eamanpds RRA
8
° Eamanpds RRA 8 ‘Total Harmonic D_isi‘crtlgln
° i H
7
° i H 7 " fsus
L E
111
L E 111||D|'|ssfpu”°" e
o [o] =] o [=] [=] o [=) [=] o [=] =] [=] [=] L] o
0
o [o] =] o [=] [=] o [=) [=] o [=] =] [=] [=] L] o 0°
Plate Volts =
500
Plate Volts = 500
Characteristic
Plate Resistance. + s s e v v ca su ==
29000
Plate Resistance. + s s e v v ca su == 29,000 Ohms
o g Load Resistance =
6600
o g Load Resistance = 6600 QOhms HLL =