TUBE: 6005 (= 6AQ5W, beam power amplifier)
FICHIER SOURCE: sheets/093/6/6005.pdf
FABRICANT: General Electric (GL-6005)
ANNEE: 1951-1952 (ETX-265, 6-52; courbes 5-1-51)
LANGUE: en

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GL-6005 (5 etoiles) — BEAM POWER AMPLIFIER — DESCRIPTION AND RATING — ETX-265 PAGE 1, 6-52
DESCRIPTION: "The GL-6005 is a miniature beam-power amplifier intended for use in medium-power audio-frequency applications." Ruggedized, heater-cathode construction, withstands many-thousand cycles of intermittent operation.
TECHNICAL INFORMATION — GENERAL
Electrical Data:
  Cathode = Coated Unipotential
  Heater Voltage (A-c or D-c) = 6.3 Volts
  Heater Current = 0.45 Ampere
Mechanical Data:
  Peak Impact Acceleration (any direction) = 600G
  Vibrational Acceleration (any direction) = 2.5G
  Bulb Temperature (any point) = 250 C
  Envelope = T-5 1/2 Glass
  Base = E7-1, Miniature Button 7-pin
  Mounting Position = Any

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MAXIMUM RATINGS — ELECTRICAL (DESIGN CENTER VALUES):
  Plate Voltage = 250 Volts
  Screen Voltage = 250 Volts
  Plate Dissipation = 12 Watts
  Screen Dissipation = 2 Watts
  Heater-Cathode Voltage = 90 Volts
  Grid No.1 Circuit Resistance: Fixed Bias 0.1 Megohm / Cathode Bias 0.5 Megohm
CHARACTERISTICS AND TYPICAL OPERATION
CLASS A1 AMPLIFIER (2 cols):
  Plate Voltage = 180 / 250 V
  Screen Voltage = 180 / 250 V
  Grid No.1 Voltage = -8.5 / -12.5 V
  Peak A-F Grid No.1 Voltage = 8.5 / 12.5 V
  Plate Resistance (approx) = 58000 / 52000 ohms
  Transconductance = 3700 / 4100 micromhos
  Zero-Signal Plate Current = 29 / 45 mA
  Max-Signal Plate Current = 30 / 47 mA
  Zero-Signal Screen Current = 3 / 4.5 mA
  Max-Signal Screen Current = 4 / 7 mA
  Load Resistance = 5500 / 5000 ohms
  Total Harmonic Distortion = 8 / 8 %
  Power Output = 2.0 / 4.5 Watts
PUSH-PULL CLASS AB1 AMPLIFIER (values for two tubes):
  Plate Voltage = 250 V ; Screen Voltage = 250 V ; Grid No.1 Voltage = -15 V
  Peak A-F Grid-to-Grid Voltage = 30 V
  Plate Resistance (each tube) = 60000 ohms ; Transconductance (each) = 3750 micromhos
  Zero-Signal Plate Current = 70 mA ; Max-Signal Plate Current = 79 mA
  Zero-Signal Screen Current = 5 mA ; Max-Signal Screen Current = 13 mA
  Effective Load Resistance (plate to plate) = 10000 ohms
  Total Harmonic Distortion = 5 % ; Max-Signal Power Output = 10 Watts

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[courbes seules] Average plate characteristics: PENTODE CONNECTION (screen=250V) et TRIODE CONNECTION (screen tied to plate), Ef=6.3V.

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[courbes seules] Operation characteristics pentode connection (Ps, Dt, Ia, Ig2 vs load).
OUTLINE: 3/4" dia max, 2-3/8" max ht. Miniature button 7-pin base No. E7-1.
BASING DIAGRAM 7BZ: pin1=Grid#1 ; pin2=Cathode and Grid#3 ; pin3=Heater ; pin4=Heater ; pin5=Plate ; pin6=Grid#2(screen) ; pin7=Grid#1
NOTE: pin2 = cathode AND grid#3 => beam-power construction (g3=beam/cathode), pas une vraie pentode a grille suppresseur independante.