EL37 Mullard BVA Output Pentode Vacuum Electron Tube 2 Amplifier

This is a genuine, vintage, British made Mullard BVA EL37 beam power type electron tube. Tube code is R61 B6C. Nearest good subtitute is the 5881, 6L6 types. Developed for an output stage for AC/DC receivers as a class A amplifier. A power tube can be used for many other circuits like oscillators, transmitters and sound Hi-Fi amplifiers. Excellent for amplifiers, antique radio restoration projects or to set up a private vacuum tube museum. This tube has a pair and it's in good working condition.

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HARD TO FIND - EUROPEAN VACUUM TUBE Features: • EL37 Output Pentode Electron Tube • MFG: Mullard BVA - Made in England Quality • Class A amplifier, oscillator, transmitter • Heater: 6.3 V, 1.4 A - Date code: R61 B6C • Plate: 400 Vmax, 100 mAmax • Plate Power: 25 Wmax • Base: 8-pin octal • Substitute: KT66, 5881, 6L6 Notes: • Center key missing - see image • Vintage tube with a pair - Without box • Used, tested - Price: $55 ea - $100 for a pair • S/H included within continental US

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