RARE! VTG. ANTIQUE RCA DEFOREST 203A 503A RADIO TUBE TRANSMITTING RF AMPLIFIERUNTESTED CONDITION Being sold in vintage used condition , please look at the pictures for cosmetic condition FINAL SALE NO RETURN NO REFUND
Item Tag: DeForest
1 deForest Audion Type 427 Vacuum Tube Vintage Globe Style 27 Triode x21 Tested
1 deForest Audion Type 427 Vacuum Tube Vintage Globe Style 27 Triode x21 Tested with Triplett 3444
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(1) DeForest 424 Audion A-C Radio Tube x29 Tested Good
(1) DeForest 424 Audion A-C Radio Tube x29 Tested Good with Triplett 3444
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DeForest Audion 426 Globe Vacuum Tubes – Vintage Matched Pair – Tested Strong
✔ Authentic DeForest Audion 426 Tubes – A classic design from the golden age of vacuum tube technology. Don’t miss this opportunity to own a piece of early vacuum tube history!
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Rare DeForest 424 Audion A-C Radio Tube
Rare DeForest 424 A-C Screen Grid Amplifier Tube. 1929. The tube appears to be NIB so we chose to not unwrap it for a photo. The original box is in great shape with only one missing flap. The condition of the tube itself is 100% unknown. It has not been unwrapped or tested in any way. There are no warranties expressed or implied given that the tube is 95 years old! The tube and box will be bagged and carefully packed in a USPS medium flat rate box with a copious amount of bubble wrap. If you have any questions, please let us know.
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RCA 802 – De Forest Beam Tetrode Tube Made in U.S.A. Vintage Bulb
For Sale: One RCA de Forest 802 Beam Tetrode Tube/ Bulb. Condition: This bulb has Not Been Tested. Made in U.S.A.
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deForest Audion Type 480 / 80 Rectifier Vac Tube RARE 1920’s Vintage Globe Style
Tested working! This globe tube features an engraved Bakelite Base. There are no rattles or floaters inside the glass. The getter is shiny with no signs of gray or white. The base is snug on the glass.
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Rogers Majestic 6T6M Vacuum Pentode Tube Valve 6T6 NOS NIB Deforest Radio
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Deforest 841 Tube Audion Engraved Base RARE (s2box2)
Deforest 841 Tube Audion Engraved Base RARE -tube tests good -will ship same or next day from payment -Satisfaction Guaranteed! “If you have any issues contact us , rather than going through eBay please”
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RCA DeFOREST 802 ENGRAVED BASE HAM RADIO TRANSMITTING TUBE – TV7 TESTED
Beautiful RCA De Forest 802 engraved base tube. Tested on military TV7 tube tester. With 50 being minimum reading for a good tube , this tube reads as new at 90. No gas. Possibly an unused tube. FREE U.S. SHIPPING ! Thank you for looking !!!