JBL L220 Passive Radiator Weights Audiophile Nirvana Posted on June 3, 2021 by Jim LansingMarch 3, 2022 These are the correct weights for the JBL L220 passive radiator.Each weight is 100 grams. The L220 has two weights per passive radiator equaling 200 grams.To convert a JBL L222 Disco to an L220 Oracle you will need …