PJ21K21 Twelve Spoke Aluminum Subwoofer 21" Frame
As the best China 12spoke speaker frame,subwoofer frame,aluminum basket supplier,Shanghai Chenbao Audio Co.,Ltd. provides quality 12spoke speaker frame,subwoofer frame,aluminum basket to global clients
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  • Technical Data

Basket style

21" Twelve Spoke Aluminum  Subwoofer Frame

Item No

PJ21K21

Size

21''

Outer diameter  (D)

Ø548  (21.57'')

Total height (H)

176   (6.93'')

Secondary inner diameter (d)

Ø488   (19.21'')

Secondary outer diameter (D4)

Ø498   (19.61'')

Diameter of mounting hole (B)

Ø522-8xØ8

Diameter for damper (D1)

Ø287/263/246 (11.3''/10.35''/9.69'')

Effective height (H1)

118/133/142 (4.65''/5.24''/5.59'')

Diameter of center bore (D3)

Ø166

Diameter of rivet hole (A)

Ø185-6xØ7

Color

Black (or other color)

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