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6AQ5
Beam Power Pentode

EIA Base & Outline

EIA Base: 7BZEIA Bulb: 5-3

Substitute Data

Preferred Substitutes ......................... 6005 6HG5 6669
Substitutes ................................... 6HR5 6DS5
Source ........................................ GE DS 06/55

Application

Source ........................................ GE DS 06/55
Miniature type used as output amplifier primarily in automobile receivers and in ac-operated receivers. Within its maximum ratings, the performance of the 6AQ5 is equivalent to that of larger types 6V6 and 6V6GT. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ GE DS 06/55
Bulb .......................................... T-5 1/2
Base Type ..................................... E7-1 Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 7BZ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 06/55
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE DS 06/55
Input ......................................... 8.0 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.4 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE DS 06/55
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 12 W
Grid No. 2 Dissipation ........................ 2 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 100K Ω
Self Bias .................................. 500K Ω
Bulb Temperature (At Hottest Point) ........... 250 °C

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 06/55
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 180 V
Grid No. 1 Voltage ............................ -8.5 V
Peak Grid No. 1 Voltage........................ 8.5 V
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 3700 µMho
Plate Current (Zero Signal) ................... 29 mA
Plate Current (Maximum Signal) ................ 30 mA
Grid No. 2 Current (Zero Signal) .............. 3.0 mA
Grid No. 2 Current (Maximum Signal) ........... 4.0 mA
Load Resistance ............................... 5.5K Ω
Power Output (approx) ......................... 2 W
Total Harmonic Distortion ..................... 8 %

Class A Amplifier
Source ........................................ GE DS 06/55
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -12.5 V
Peak Grid No. 1 Voltage........................ 12.5 V
Plate Resistance (approx) ..................... 52K Ω
Transconductance .............................. 4100 µMho
Plate Current (Zero Signal) ................... 45 mA
Plate Current (Maximum Signal) ................ 47 mA
Grid No. 2 Current (Zero Signal) .............. 4.5 mA
Grid No. 2 Current (Maximum Signal) ........... 7 mA
Load Resistance ............................... 5K Ω
Power Output (approx) ......................... 4.5 W
Total Harmonic Distortion ..................... 8 %

Push Pull Class AB1 Amplifier
Source ........................................ GE DS 06/55
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -15 V
Peak Grid No. 1 Voltage........................ 30 V
Plate Resistance (approx) ..................... 60K Ω
Transconductance .............................. 3750 µMho
Plate Current (Zero Signal) ................... 70 mA
Plate Current (Maximum Signal) ................ 79 mA
Grid No. 2 Current (Zero Signal) .............. 5 mA
Grid No. 2 Current (Maximum Signal) ........... 13 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 10 W
Total Harmonic Distortion ..................... 5 %

Class A Amplifier (Triode Connected)
Source ........................................ GE DS 06/55
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -12.5 V
Amplification Factor .......................... 9.5
Plate Resistance (approx) ..................... 1970 Ω
Transconductance .............................. 4800 µMho
Plate Current ................................. 49.5 mA
Grid No. 1 Voltage for Ib ..................... 500 µa @ -37 V
Load Resistance ............................... 5K Ω
Power Output (approx) ......................... 4.5 W
Total Harmonic Distortion ..................... 8 %

Vertical Deflection (Triode connection)
Source ........................................ GE DS 06/55
DC Plate Supply Voltage ....................... 250 V
Peak Positive-Pulse Plate Voltage ............. 1100 V
Peak Negative-Pulse Grid No. 1 Voltage ........ -250 V
Average Cathode Current ....................... 35 mA
Peak Cathode Current .......................... 105 mA
Plate Dissipation ............................. 9.0 W

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Sat, 10 Dec 2022 02:47:29 -0700