24 yrs old. 215 LB's.. about 18% bf...looking to get to around 10%

How low can i reduce my calories for an extreme cut, not to worried about putting on mass. looking to maintain and lose bf
i am currently eating around 2,300 to 2,500 cal per day, how low can i drop it to when i start my cycle?

week 1-12,
TEST enanthate
250mg- 2 shots / week

weeks 1-4,
TEST prop
100mg EOD

weeks 5-10,
TREN ace
100mg EOD

weeks 8-12,
50mg ED