Share: Title:SMPTE Television Color Test Calibration Bars and 1Khz Sine Wave For 12 Hours Duration: 11:59:59 Plays: 294K views Published: 9 years ago Download MP3 Download MP4 Simillar Videos ▶️ 23:45 Knafs Has Gone Dark... 294K views • 19 hours ago ▶️ 0:10 Nice #outdoorknife #outdooredgeknives #edc #survivalknife #knifesheath 294K views • 2 days ago ▶️ 10:10 The Edc Knife You Need! Kansept Tarkin Full Review & Testing 294K views • 2 days ago ▶️ 24:36 In-depth Review Srm 238x. Integral "mono Chassis"? Including Naughty Teardown & Re-assembly Demo. 294K views • 12 hours ago ▶️ 29:20 Saved Just In Time! Refurbishing A Classic Camco 229 Electrician's Knife 294K views • 19 hours ago