Pioneer TX-1000 Tuner Original Knob. Replaces Headphone/AM/FM & Muting Level. Tested. PLEASE READ ALL BELOW. Very good Condition. Removed from a working Pioneer TX-1000 tuner. Sold for parts or repair only. No returns accepted. Please do not purchase if you do not agree with these terms. Please see all pictures before purchase. Parting out TX-1000 Tuner and many other Pioneer units. Hundreds of Thousands of hard to find vintage name brand and off brand solid state, turntable, speaker, and reel to reel parts in stock.