3Q4 Power Pentode Amplifier Miniature Glass Philco Radio Electron Vacuum Tube

This is a genuine, collectible, vintage, 3Q4 Philco Power Pentode discontinued radio electron tube in it's original box. Developed for Class A amplifier use in receivers. Useful for replacement, antique radio restoration projects, experimentation, circuit design, or to set up a private vacuum tube museum. It is NOS tube - New Old Stock, unused, boxed, excellent condition. First come first serve, as only one of this rare, discontinued, historical vacuum tube available!

---

HARD TO FIND ORIGINAL HISTORICAL TUBE Features: • 3Q4 Power Pentode AF, RF • MFG: Philco • Quality Made in USA • Amplifier, Oscillator • Heater: 1.4/2.8 V, 100/50 mA • Plate Voltage: 90 Vmax, 9.5/7.7 mAmax - Class A • Base: 7-pin miniature, all glass • Collectible Notes: • NOS - [New Old Stock] tube - Original box • Unused • Price: $50 • One available • S/H included within continental US

---

• Only one item available unless otherwise indicated • Click the credit card pictures left to order • • E-Mails always answered unless return e-mail is blocked