RCA UX-281

eBay

NOS RCA RADIOTRON UX-281 (81) GLOBE ENGRAVED BASE TUBE f/ AUDIO AMPLIFIER $39 Feb 7, 2026

eBay

2 antique RCA GLOBE TUBES CX-381 TYPE 81 UX-281 Engraved TV-7 Tested CUNNINGHAM $81 Feb 2, 2026

eBay

RCA UX281 Vacuum Tube Tested On Hickok 799 Tester $65 Jan 19, 2026

eBay

PAIR UX-281 RCA GLOBE TUBES TYPE 81 281 381 Engraved Base TV-7 Tested RADIOTRON $89 Jan 17, 2026

eBay

2 RCA GLOBE TUBES CX-381 TYPE 81 UX-281 381 Engraved Base TV-7 Tested CUNNINGHAM $89 Jan 17, 2026

eBay

1 UX 281 RCA RADIOTRON Engraved Base Globe HiFi Antique Radio Amp 81 Vacuum Tube $39 Dec 24, 2025

eBay

2 UX 281 RCA RADIOTRON Engraved Base Globe HiFi Antique Radio Amplifier 81 Tubes $99 Nov 27, 2025

eBay

Vintage RCA RADIOTRON Type UX281 - Engraved Base LARGE GLOBE TUBE - DUD - $17 Sep 19, 2025

eBay

Rca Cunningham Radiotron Ux281 Pair Tubes Recitifier $85 Aug 12, 2025

eBay

(1) UX -281 RCA radiotron Vacuum Tube With Box. Heathkit TT-1 Tested $29 Aug 12, 2025

eBay

1 RCA UX-281 Vacuum Tube 1920's Vintage Rectifier for Sparton Radios & Others $35 Jul 21, 2025

eBay

Good Testing, RCA UX-281 (Type 81) Globe Half Wave Rectifier Radio Vacuum Tube $20 Jun 4, 2025

eBay

Vintage RCA RADIOTRON Type UX281 - Engraved Base LARGE GLOBE TUBE Untested $24 May 25, 2025

eBay

RCA RADIOTRON UX-281 GLOBE VACUUM TUBE TV7U TESTED STRONG $20 Apr 19, 2025

eBay

LOOKS LIGHTLY USED TESTED RCA ENGRAVED 4 PIN BALLOON GLOBE UX-281 RECTIFIER $29 Mar 1, 2025

eBay

UX-281 RCA Globe Half-Wave Rectifier Tube (strong test) $10 Feb 22, 2025

eBay

2 UX 281/81 Large Bottle Rectifier Tubes RCA/Tung Sol $60 Dec 7, 2024

eBay

RCA Cunningham UX-281 Tube NOS TYPE 81 ST SHAPE COKE BOTTLE W/ Box $25 Jul 16, 2024

eBay

RCA RADIOTRON UX-281 GLOBE VACUUM TUBE / TESTED (90box2) $45 Jun 15, 2024

eBay

RCA Schwender's UX-281,CX-381, SX-281,81 Engraved~Half Wave Rectifier Tested! $54 Mar 29, 2024

eBay

vintage ,rare RCA radiotron Vacuum Tube UX-281 $90 Jan 23, 2022

eBay

UX281 RCA VINTAGE BALLOON VALVE TUBE (LC12) £125 Dec 26, 2021