Shanghai Chenbao Audio Co.,Ltd.
Whatsapp / Wechat:+86 157 2148 9215
E-mail:chenbaoaudio_jolly@vip.126.com
PJ21775: 21'' 8 spoke subwoofer aluminum frame
Shanghai Chenbao Audio Co.,Ltd. is one of the toppest 21'' frame,21'' subwoofer speaker basket,21inch 8 spoke aluminum frame in China.During these years of exporting , Shanghai Chenbao Audio Co.,Ltd. now has rich experience in the worldwide markets
Basket style：PJ21775: 21'' Eight Spoke Aluminum Subwoofer Speaker Frame
Item No： PJ21775
Size： 21''
Outer diameter (D)：Ø540 (21.26'')
Total height (H)：183 (7.20'')
Secondary inner diameter (d)： Ø480 (18.90'')
Secondary outer diameter (D4)：Ø488 (19.21'')
Diameter of mounting hole (B)：Ø518-8xØ6.5
Diameter for damper (D1)：Ø220 (8.66'')
Effective height (H1)：150 (5.91'')
Diameter of center bore (D3)： Ø135
Diameter of rivet hole (A)：Ø160-6xØ6.5
Color：Black (or other color)
Item No： PJ21775
Size： 21''
Outer diameter (D)：Ø540 (21.26'')
Total height (H)：183 (7.20'')
Secondary inner diameter (d)： Ø480 (18.90'')
Secondary outer diameter (D4)：Ø488 (19.21'')
Diameter of mounting hole (B)：Ø518-8xØ6.5
Diameter for damper (D1)：Ø220 (8.66'')
Effective height (H1)：150 (5.91'')
Diameter of center bore (D3)： Ø135
Diameter of rivet hole (A)：Ø160-6xØ6.5
Color：Black (or other color)
21'' Frames
- PJ21P17 21" Eight Spoke Aluminum Subwoofer Frame
- PJ21K21 Twelve Spoke Aluminum Subwoofer 21" Frame
- PJ21003 21" Six Spoke Aluminum Subwoofer Frame
- PJ21004 21inch Aluminum Subwoofer Basket
- PJ21006 21inch Aluminum Subwoofer Basket
- PJ21007 Six Spoke Aluminum Subwoofer 21inch Speaker Frame
- PJ21775: 21'' 8 spoke subwoofer aluminum frame
- PJ21607: 21'' Precision Aluminium Subwoofer Frame for Speaker Parts
- PJ21775: 21'' Precision Aluminium Subwoofer Frame for Speaker Parts
- PJ21602: 21'' Precision Aluminium Speaker Frame for Speaker Parts
- PJ21605: 21'' Precision Aluminium Speaker Frame for Speaker Parts
- PJ21606: 21'' Precision Aluminium Speaker Frame
Contact Us
Sales Manager: Jolly Zhou
Tel: +86 157 2148 9215 Fax: +86 21 6729 7231
Mobile: +86 157 2148 9215
E-mail: chenbaoaudio_jolly@vip.126.com