GVM 650B Pro re-evaluation (re-test).

I'm testing again GVM 650B Pro bi-color light - this time with Sekonic C800. Was my first unit broken? Is this one better? Is it any good? Affiliate Links (gear introduced and used to shoot this video): Sekonic C800: https://amzn.to/4d2madp Aputure 600D: https://amzn.to/3UCJdFC Aputure 600X Pro: https://amzn.to/3UADQXy GVM 650B Pro: https://amzn.to/4aTjv5s Amaran PT2C tubes (2 pack): https://amzn.to/4e7CLOD Amaran T2C tubes: https://amzn.to/3RbxlZg 0:00 The problem 1:35 Sekonic L-858D vs C800 results 4:55 Test with EL-Zones 8:21 Quality of the light with C800 :D 10:08 Summary