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4AU6 Sharp-Cutoff Pentode RF Amplifier Miniature Hayakawa Hayakawa Vacuum Tube

This is an original Hayakawa made - for Hayakawa 4AU6 Sharp-Cutoff Pentode electronic vacuum tube. This is a collector's special rare antique vacuum tube. This seven pin, all glass, miniature type used as RF or IF amplifier, usually in class-A configuration in many instruments, radio and television (TV) receivers. Excellent part for antique radio, instrument or television restoration, experimentation, circuit research or for rare tube collection. It is an NOS [New Old Stock] tube with box, unused.
4AU6 Sharp-Cutoff Pentode RF Amplifier Miniature Hayakawa Hayakawa Vacuum Tube [16 KB]
HARD TO FIND ORIGINAL HISTORICAL TUBE

Features:

4AU6 Sharp-Cutoff Pentode
• MFG: Hayakawa • Quality Made in Japan
• RF Amplifier , Oscillator, Mixer
• Heater: 4.2 V, 0.45 A
• Plate: 330 Vmax, 14 mAmax, 2.3 Wmax
• Base: 7-pin miniature, all glass • Collectible

Notes:

NOS - New Old Stock tube • Standard box
• Unused • Price: $12 • One available
S/H included within continental US
4AU6 Miniature 7-Pin All Glass Electronic Vacuum Tube Electrode Connections
PIN # 1 2 3 4 5 6 7
Electrode Grid 1 Grid 3 Heater Heater Anode Grid 2 Cathode
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