TUBE: 6V6
FICHIER SOURCE: sheets/201/6/6V6.pdf
FABRICANT: RCA Cunningham Radiotron (RCA-6V6) - from RMA release #125
ANNEE/DATA: January 3, 1938 (TENTATIVE DATA)
TYPE: Beam Power Amplifier
LANGUE: en

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[Logos RCA Cunningham Radiotron]
RCA-6V6
BEAM POWER AMPLIFIER
(TENTATIVE DATA)
from RMA release #125, Jan. 3, 1938

  HEATER VOLTAGE (A.C. or D.C.)##    6.3    Volts
  HEATER CURRENT                     0.45   Ampere
  MAXIMUM OVERALL LENGTH             3-1/4"
  MAXIMUM DIAMETER                   1-5/16"
  BASE                               Small Wafer Octal 7-Pin

Static and Dynamic Characteristics:
  HEATER VOLTAGE         6.3      Volts
  PLATE VOLTAGE          250      Volts
  SCREEN VOLTAGE         250      Volts
  GRID VOLTAGE           -12.5    Volts
  AMPLIFICATION FACTOR   218
  PLATE RESISTANCE       52000    Ohms
  TRANSCONDUCTANCE       4100     Micromhos
  PLATE CURRENT          45       Milliamperes
  SCREEN CURRENT         4.5      Milliamperes

MAXIMUM RATINGS and TYPICAL OPERATING CONDITIONS

As Single-Tube Amplifier - Class A1*:
  PLATE VOLTAGE                          250 max. Volts
  SCREEN VOLTAGE                         250 max. Volts
  PLATE & SCREEN DISSIPATION (Total) #   12.5 max. Watts
  TYPICAL OPERATION:                     [col1 / col2]
    Plate Voltage                        180 / 250    Volts
    Screen Voltage                       180 / 250    Volts
    Grid Voltage                         -8.5 / -12.5   Volts
    Peak A-F Grid Voltage (Approx.)      8.5 / 12.5   Volts
    Zero-Signal Plate Current            29 / 45    Milliamperes
    Max.-Signal Plate Current            30 / 47    Milliamperes
    Zero-Signal Screen Current           3 / 4.5    Milliamperes
    Max.-Signal Screen Current           4 / 6.5    Milliamperes
    Load Resistance                      5500 / 5000   Ohms
    Harmonic Distortion: Total           6 / 6    Per cent
                         Second          5.5 / 4.5   Per cent
                         Third           2.5 / 3.5   Per cent
    Max.-Signal Power Output             2 / 4.25   Watts

As Push-Pull Amplifier - Class AB1* - Values are for 2 tubes:
  PLATE VOLTAGE                          300 max. Volts
  SCREEN VOLTAGE                         300 max. Volts
  PLATE & SCREEN DISSIPATION (Total) #   12.5 max. Watts
  TYPICAL OPERATION:                     [col1 / col2]
    Plate Voltage                        250 / 300    Volts
    Screen Voltage                       250 / 300    Volts
    Grid Voltage                         -15 / -20    Volts
    Peak A-F Grid-to-Grid Voltage        30 / 40    Volts
    Zero-Signal Plate Current            70 / 78    Milliamperes
    Max.-Signal Plate Current            79 / 90    Milliamperes
    Zero-Signal Screen Current           5 / 5    Milliamperes
    Max.-Signal Screen Current           12 / 13.5   Milliamperes
    Load Resistance                      10000 / 8000   Ohms
    Harmonic Distortion: Total           4 / 4    Per cent
                         Third           3.5 / 3.5   Per cent
    Max.-Signal Power Output             8.5 / 13   Watts

Pin Connections (Pin numbers according to RMA system):
  Pin 1 - Shell
  Pin 2 - Heater
  Pin 3 - Plate
  Pin 4 - Screen
  Pin 5 - Grid
  Pin 7 - Heater
  Pin 8 - Cathode

Notes:
## Heater should be operated at 6.3 volts; should never exceed 7.0 volts.
# Precautions re dissipation rating with line-voltage fluctuation, esp. fixed-bias.
* Subscript 1 indicates grid current does not flow during any part of input cycle.