which is the most powerful amber/1800k single die?

[Manulovich (Puh)]

1800к - ffl351a.
" * at 3,000 mA (official maximum current): 560 lm @ 3.22 V

• Power at official maximum: 9.7 W
• Efficiency at 3,000 mA: 57.9 lm/W"
• LED test / short review - Fireflylite FFL351A 1800 K 95 CRI - beautiful warm light with perfect beam!