Series tuned 6th order for 2 @b2_audio Rampage 18s. This design is

series vs parallel 6th order

2 Resilient Sounds Team 18s 6th Order subwoofer box plans

flatlinedesigns

6th Order Port Area Experiment - Subwoofers / Enclosures - Steve

, Rampage 18 V4 Specifications:, Model:, rampage 18 d1, rampage 18 d2, Sensitivity:, 94 dB, 91.3 dB, Nominal Impedance:, Dual 1 Ω, Dual 2

B2 Audio 18 Rampage XMv4 Subwoofer

EZ DB's Designs - Series-tuned 6th Order Bandpass design

2 18'S IN A 6TH ORDER

Help understanding Quasi-6th order series tuned bandpass

Parallel vs Series Tuned 6th order bandpass boxes, Page 2

Flatline Designs

Designing a 6th order Series Tuned Double Bandpass Enclosure