1. | Orion Car Audio Speaker HP10D2 User Guide SPECIFICATIONS Directed Part Number 27202 27207 27212 27217 Model Number HP10D2 HP10D4 HP12D2 HP12D4 Fs free air resonance 31 42 33 14 29 46 27 75 Vas equivalent compliance cu ft 0 62 0 56 1 79 1 78 Vas equivalent compliance liters 17 42 18 50 72 50 44 Qms Q mechanical 5 57 5 31 5 24 4 99 Qes Q electrical 0 59 0 63 0 58 0 63 Qts total driver Q 0 53 0 57 0 52 0 56 Re DC resis |