Classified ads for antique radios, televisions, phonographs,
radio-related stuff, tubes, parts, memorabilia, and OTR.

12A8 Tubes.   Three 12A8 Tung-Sol heptode mixer/pentagrid converter tubes. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $25.00.  (0000214)

12AH7 Tubes.   Two Sylvania 12AH7 twin triode tubes. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $10.00.  (0000220)

12H6 Tubes.   Two 12H6 metal twin diode tubes. One GE, one Sylvania. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $10.00.  (0000219)

12K8 Tubes.   Four 12K8 triode oscillator/hexode mixer tubes. One GE, two Crosley, one RCA. Tested good. Price is for all four.  Steve Adams.   E-mail: steveadams1949@att.net  $20.00.  (0000213)

12Q7 Tubes.   Two 12Q7 duplex-diode high-mu triode tubes, both RCA brand. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $5.00.  (0000192)

12S8GT Tubes.   Two Crosley 12S8GT triple-diode/triode tubes. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $15.00.  (0000221)

12SA7 Tube.   ONE RCA 12SA7 pentagrid converter tube. Thought I had two, but one of the boxes was empty! Tested good.  Steve Adams.   E-mail: steveadams1949@att.net  $5.00.  (0000218)

12SK7 Tubes.   Four 12SK7 pentode tubes. Three metal, one Raytheon GT. Tested good. Price is for all four.  Steve Adams.   E-mail: steveadams1949@att.net  $20.00.  (0000216)

12SL7GT Tubes.   Four 12SL7GT dual-triode tubes. One GE, one Ken-Rad, two Sylvania (one marked US Navy). Tested good. Price is for all four.  Steve Adams.   E-mail: steveadams1949@att.net  $50.00.  (0000215)

12SR7 Tubes.   Two 12SR7 duplex-diode/triode tubes. One Ken-Rad, one RCA. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $10.00.  (0000217)

12Z3 Tubes.   Seven 12Z3 half-wave rectifier tubes. Four Ken-Rad, two Crosley, one RCA. Tested good. Price is for all seven.  Steve Adams.   E-mail: steveadams1949@att.net  $35.00.  (0000212)

26 Tubes.   Three 26 triode tubes, two RCA, one Cunnningham. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $30.00.  (0000206)

3Q5 Tubes.   Six 3Q5 beam power tubes, all Crosley brand! Tested good. Price is for all six.  Steve Adams.   E-mail: steveadams1949@att.net  $30.00.  (0000197)

43 Tubes.   Two 43 power pentode amplifier tubes, one Silvertone and one Zenith brand. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $10.00.  (0000204)

5654W (6AK5) x5 Full Sleeve GE Mil Spec Pentode Tubes.   NOS/NIB 5654W aka 6AK5 x5 Full Sleeve of GE Military Spec pentode tubes. Green print 1988 production date. Factory fresh. Free insured USPS shipping in the US with tracking number. Don't need 5 or need other model numbers? Contact me. PayPal Contact for international shipping.  Mike Koch.   E-mail: rkoch17355@aol.com    Phone: 714-827-6207  $28.99.  (0000224)

5R4 Tubes.   Three 5R4 rectifier tubes, one GE, one RCA with a broken key, one unknown brand. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $30.00.  (0000209)

5U4 Tubes.   Three 5U4 rectifier tubes. One GE, one Philco, one unknown brand with broken key. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $20.00.  (0000211)

5V4 Tubes.   Two 5V4 full-wave rectifier tubes, one RCA, one unknown brand. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $30.00.  (0000207)

5Y3 Tubes.   Seven 5Y3 full-wave rectifier tubes. Two RCA, two Tung-Sol, one Stromberg-Carlson, one Ken-Rad, one G.E. One of the Tung-Sols has a broken key, so that one is free. Tested good. Price is for all seven.  Steve Adams.   E-mail: steveadams1949@att.net  $50.00.  (0000195)

5Z3 Tubes.   Two good-testing 5Z3 NJRI rectifier tubes.  Steve Adams.   E-mail: steveadams1949@att.net  $20.00.  (0000185)

6AX4 Tubes.   Two 6AX4 rectifier tubes, both G.E. brand. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $5.00.  (0000201)

6AX5 Tubes.   Two 6AX5 beam power tubes, both RVA. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $10.00.  (0000200)

6B4G Tubes.   6B4G power triode tubes. One Ken-Rad, one Sylvania. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $50.00.  (0000186)

6H6 Tubes.   Five 6H6 twin diode tubes Two RCA, one Ken-Rad, one Sylvania, one Westinghouse. Tested good. Price is for all five.  Steve Adams.   E-mail: steveadams1949@att.net  $25.00.  (0000196)

6K6 Tubes.   Four 6K6 power pentode tubes. One G.E., one RCA, one Hytron, one Crosley. Tested good. Price is for all four.  Steve Adams.   E-mail: steveadams1949@att.net  $30.00.  (0000194)

6K7 Tubes.   Three 6K7 pentode tubes. Two metal RCA, one glass Raytheon. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $24.00.  (0000193)

6SN7 Tubes.   Six 6SN7 dual triode tubes. Three RCA, one Sylvania, one Trav-Ler, one GE. Tested good. Price is for all six.  Steve Adams.   E-mail: steveadams1949@att.net  $60.00.  (0000198)

6V6 Tubes.   Six 6V6 power tubes. Two GE, one Hy-Tron, one Selectron, One Cunningham, one Sylvania. Tested good. Price is for all six.  Steve Adams.   E-mail: steveadams1949@att.net  $45.00.  (0000199)

71A Tubes.   Two 71A power triode tubes, one Cunningham, one Philco, one unknown brand. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $60.00.  (0000208)

83 Tubes.   Four (not three as in photo) good-testing 83 tubes. All made by RCA.  Steve Adams.   E-mail: steveadams1949@att.net  $55.00.  (0000184)

CX-301A Tubes.   Three CX-301A Cunningham triode tubes. Tested good. Price is for all three.  Steve Adams.   E-mail: steveadams1949@att.net  $50.00.  (0000205)

UX-201A Tubes.   Two RCA UX-201A triode tubes. Tested good. Price is for both.  Steve Adams.   E-mail: steveadams1949@att.net  $40.00.  (0000210)

The Webmaster is not responsible for the accuracy of any of the descriptions or condition
of the items listed for sale on this site; that responsibility lies with the sellers of the items. 
Buyers assume ALL risks for transactions made with the sellers.
© 2026  Vintage Electronics Classified