12SR7 RCA Radiotron Twin Diode, Medium-Mu Triode Electron Tube

This is a genuine, vintage, no longer made, discontinued type, metal 12SR7 RCA Radiotron Electron Tube in it's original box. A collector's special vacuum tube. Developed for combined detector, amplifier and avc use in automobile and ac operated receivers. Excellent for those antique radio restoration projects or to set up a private vacuum tube museum. It is NOS tube - New Old Stock, unused, boxed, and kept for all these years in mint condition. First come first serve, as only one of this rare, discontinued, historical vacuum tube available!

---

HARD TO FIND - HISTORICAL METAL TUBE Features: • 12SR7 Twin Diode, Medium-Mu Triode Tube • MFG: RCA Radiotron Metal Tube • Rectifier, Class "A" Amplifier • Heater: 12.6 V, 0.15 A • Plate: 150 Vmax 9.5 mAmax - Class A • Base: 8-pin octal • High quality Made in USA • Tube Collector's Discontinued Special Notes: • NOS - [New Old Stock] tube in original box • 1976 Price: $6.70 - Sylvania List - May 1, 1976 • 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