Conn Strobotuner ST-11 Tuner with Power Supply - Vintage | eBay
LDG Z-11, ldg z11 Automatic Antenna Tuner
Carver TX-11a Tuner Review
Qwik Tune QT11 Tuner and Pitchpipe Combo Brand: Qwik Tune (With Original Box) 611820000110 | eBay
Musedo T11 Precision Depth-Finder Chromatic/Guitar/Bass/Violin/Ukulele Tuner accurate Tuning by Vibration With 3 picks - AliExpress Sports & Entertainment
Found a Magnum Dynalab FT-11 tuner for 15$ : r/vintageaudio
Sony 1-693-798-11 TUNER MODULE | Parts Town
Carver Tx-11 Synthesized FM Stereo Tuner - Quartz 120v AC 60hz 15w for sale online | eBay