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RADIOHF - FS: THORDARSON TR-70 TRANSISTOR PS TFMR For Sale: NOS Thordarson Transistor power supply transformer. Model TR-70 new in original box. These were an upgrade from the old Vibrator power supplies. Specs: 12 VDC Input 117 VAC 60cps; 50 watts Perfect for running a Classic radio, science experimentation or for emergency power. $22.00 and $8.00 for shipping in CONUS. Email me for overseas shipping or more photos. Your check or USPS MO; I am gd in QRZ. PayPal me at my email address (jtg4300 at yahoo.com) Just let me know that payment is on the way and I will ship and get you the Tracking number. See my other ads for more RF parts, Simpson, Drake, UNGAR and other gear. Will combine shipping, where possible. Listing #1729846 by WA1BRI Last Edited on 06/01/25 Submitted on 05/18/25 Submitted from 47-199-166-140.fdr01.stgr.fl.ip.frontiernet.net Click to Contact Back to Previous Page

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