Peerless HDS 8" Woofer

Nomex fiber cone
Rubber surround
Cast frame - truncated
Ventilated raised spider
Shorting rings
225mm flange
205mm truncated
190mm cut out
91mm depth

Znom 8 ohm
Re 6 ohm
Le 1.8 mH
fs 39.5 Hz
Qms 3.94
Qes 0.31
Qts 0.29
Mms 25.9 g
Cms 1.13 mm/N
Sd 221 cm2
BL 9.6 N/A
Vas 76.1 ltrs
Xmax 5.5 mm peak
Voice Coil Ø 33 mm
Sensitivity
2.83V / 1m 90.0 dB
Power (IEC) W
Magnet weight 0.68 kg

Suggested box alignments:
Sealed box of 15 liters (0.5cf); F3 of 70Hz
Vented box of 31 liters (1.1cf); F3 of 43Hz; 2" port by 2.75" long