![File:Vintage Regency TR-1 Transistor Radio, Mahogany Color, 4 Transistors, Made in USA (9804504753).jpg - Wikimedia Commons File:Vintage Regency TR-1 Transistor Radio, Mahogany Color, 4 Transistors, Made in USA (9804504753).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/2c/Vintage_Regency_TR-1_Transistor_Radio%2C_Mahogany_Color%2C_4_Transistors%2C_Made_in_USA_%289804504753%29.jpg)
File:Vintage Regency TR-1 Transistor Radio, Mahogany Color, 4 Transistors, Made in USA (9804504753).jpg - Wikimedia Commons
![File:Vintage Regency TR-1 Transistor Radio With A Clear Case (Likely For Demonstration Purposes), Has A TR-1G Serial Number But A TR-1 Tuning Dial (22881158556).jpg - Wikimedia Commons File:Vintage Regency TR-1 Transistor Radio With A Clear Case (Likely For Demonstration Purposes), Has A TR-1G Serial Number But A TR-1 Tuning Dial (22881158556).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/58/Vintage_Regency_TR-1_Transistor_Radio_With_A_Clear_Case_%28Likely_For_Demonstration_Purposes%29%2C_Has_A_TR-1G_Serial_Number_But_A_TR-1_Tuning_Dial_%2822881158556%29.jpg)
File:Vintage Regency TR-1 Transistor Radio With A Clear Case (Likely For Demonstration Purposes), Has A TR-1G Serial Number But A TR-1 Tuning Dial (22881158556).jpg - Wikimedia Commons
![File:A Factory Repaired Regency TR-1 Transistor Radio With A TR-1G Case, Repair Label Dated July 30, 1962 (22320397563).jpg - Wikimedia Commons File:A Factory Repaired Regency TR-1 Transistor Radio With A TR-1G Case, Repair Label Dated July 30, 1962 (22320397563).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/72/A_Factory_Repaired_Regency_TR-1_Transistor_Radio_With_A_TR-1G_Case%2C_Repair_Label_Dated_July_30%2C_1962_%2822320397563%29.jpg)
File:A Factory Repaired Regency TR-1 Transistor Radio With A TR-1G Case, Repair Label Dated July 30, 1962 (22320397563).jpg - Wikimedia Commons
![Newspaper Advertising For The Regency TR-1 Transistor Radio, The San Bernardino County Sun, December 19, 1954 (14650638539 Stock Photo - Alamy Newspaper Advertising For The Regency TR-1 Transistor Radio, The San Bernardino County Sun, December 19, 1954 (14650638539 Stock Photo - Alamy](https://c8.alamy.com/comp/KKHRRB/newspaper-advertising-for-the-regency-tr-1-transistor-radio-the-san-KKHRRB.jpg)
Newspaper Advertising For The Regency TR-1 Transistor Radio, The San Bernardino County Sun, December 19, 1954 (14650638539 Stock Photo - Alamy
![REGENCY TR-1 THE FIRST TRANSISTOR RADIO SM Service Manual download, schematics, eeprom, repair info for electronics experts REGENCY TR-1 THE FIRST TRANSISTOR RADIO SM Service Manual download, schematics, eeprom, repair info for electronics experts](https://elektrotanya.com/PREVIEWS/63463243/23432455/regency/regency_tr-1_the_first_transistor_radio_sm.pdf_1.png)