TUBE: 6N7G (et 6N7, 6N7GT/G)
FICHIER SOURCE: sheets/127/6/6N7.pdf
FABRICANT: Tung-Sol (Tung-Sol Electric Inc., Newark, New Jersey)
ANNEE: Oct. 25, 1943 (Copyright 1943); Plate 1343-1 / 1344-1
LANGUE: en
PAGES: 2

===== PAGE 1 =====
TUNG-SOL — 6N7, 6N7GT/G
TWIN TRIODE AMPLIFIERS
Coated Unipotential Cathode
HEATER: 6.3 VOLTS  0.8 AMPERE  AC OR DC

Dimensions: 6N7 metal shell MT8B 8 pin octal base (3-1/4" max, 2-11/16", 1-5/16"); 6N7GT/G T-9 (2-3/4" / 3-5/16" / 1-5/16").

Brochage 6N7 (BOTTOM VIEW): G,G (grids top); P,P (plates); H,H (heaters); S (shell), K (cathode).
Brochage 6N7GT/G (BOTTOM VIEW): G,G (grids); P,P (plates); H,H (heaters); NC, K (cathode) — pin 1 = NC instead of shell.

"THE TUNG-SOL 6N7, 6N7GT/G ARE TWIN TRIODES DESIGNED PRIMARILY FOR SERVICE AS CLASS B AMPLIFIERS. THEIR ELECTRICAL CHARACTERISTICS ARE IDENTICAL."

RATINGS:
  Maximum Plate Voltage ...................... 300 Volts
  Maximum Peak Plate Current (per plate) ..... 125 Ma.
  Maximum Average Dissipation (per plate) .... 5.5 Watts

TYPICAL OPERATING CONDITIONS AND CHARACTERISTICS
CLASS A1 AMPLIFIER (TRIODES CONNECTED IN PARALLEL):
  Plate Voltage ......... 250 / 294 Volts
  Grid Voltage .......... -5 / -6 Volts
  Plate Current ......... 6 / 7 Ma.
  Plate Resistance ...... 11300 / 11000 Ohms
  Transconductance ...... 3100 / 3200 µMHOS
  Amplification Factor .. 35 / 35

RESISTANCE COUPLED AMPLIFIER AND PHASE INVERTER:
  Plate Supply Voltage ... 100 / 100 / 250 / 250 Volts
  Plate Load Resistor .... 0.1 / 0.5 / 0.1 / 0.5 Megohm
  Cathode Resistor ....... 2500 / 7000 / 1800 / 5000 Ohms
  Voltage Gain ........... 20 / 22 / 23 / 24

===== PAGE 2 =====
CLASS B2 AMPLIFIER - PUSH-PULL                Ideal    Typical
  Zero-Signal Plate Voltage ............ 300 / 300 Volts
  DC Grid Voltage ...................... 0 / 0 Volt
  AF-Peak Signal Voltage per Grid ...... 29 / 41 Volts
  Maximum-Peak-Signal Grid Current per Grid ... 20 / 22 Ma.
  Zero-Signal Plate Current per Plate .. 17.5 / 17.5 Ma.
  Maximum-Signal DC Plate Current per Plate ... 35 / 35 Ma.
  Grid Impedance at 400 cycles ......... 0 / 516 Ohms
  Plate Supply Impedance ............... 0 / 1000 Ohms
  Effective Load Resistance plate to plate ... 8000 / 8000 Ohms
  Total Harmonic Distortion ............ 4 / 8 Per Cent
    Third Harmonic ..................... 3.5 / 7.5 Per Cent
    Fifth Harmonic ..................... 1.5 / 2.5 Per Cent
  Power Output ......................... 10 / 10 Watts

AVERAGE PLATE CHARACTERISTICS graph: 6N7, 6N7GT/G, Ef=6.3V, Each Section. Plate current (Ib) vs plate volts (Eb), grid family Ec1 = 0 to -7. [courbes seules]