6CU5 RCA Power Pentode Vacuum Tube - NOS - TESTED
This is an RCA 6CU5 power pentode vacuum tube, a component primarily used as an audio power amplifier in television receivers and compact radio sets. Recognized for its ability to deliver relatively high power output at low plate and screen voltages, this tube is ideal for hobbyists and technicians restoring vintage mid-century consumer electronics. Its compact 7-pin design makes it a staple for maintaining the authentic sound and performance of classic audio circuits.
Specifics
Tested
Tested - This tube has been tested with a B&K or Hickok tube tested. For NOS tubes we removed it from the packaging and tested it. Then returned it to its original box. The tube passed all tests that are applicable to this type of tube. The tube was allowed to warm for at least 30 seconds before testing.
Things to know
This item is New Old Stock (NOS)
Vacuum tube in its original box
The box may be in rough shape and may have tape on it - PLEASE look at photo
May have re-labeled the box for clarity
Condition
The vacuum tube is in excellent physical condition with very clear "6CU5" and "RCA" branding on the glass. The internal structure appears clean and the getter flash is strong. The original RCA Radiotron box is included and shows standard shelf wear, including some softening of the cardboard edges and minor discoloration typical of its age.
Key Words
6CU5, RCA, Power Pentode, Vacuum Tube, NOS, Tested, Audio Tube, TV Repair, Vintage Radio, Radiotron, 7-pin Tube.
Shipping Method:
We let you pick your shipping speed. All items are securely packaged in a box with padding. We use tracking in all shipments. Tracking number is provided in your eBay notification.
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