JB Systems CPX 8 diaphragm

 diaphragm CPX 8

Also suitable for 

Foster and Fostex N30, 025H30, 025H27, H025N30, H025N27, H025N08, FT300H, N08, PHT-404, PHT-405, PHT-406, PHT-408, PHT-410, PHT-411, PHT-412, PHT-413, PHT404, PHT405, PHT406, PHT408, PHT410, PHT411, PHT412, PHT413, PH-404, PH-405, PH-406, PH-408, PH-410, PH-411, PH-412, PH-413, PH404, PH405, PH406, PH408, PH410, PH411, PH412, PH413, HT-404, HT-405, HT-406, HT-408, HT-410, HT-411, HT-412, HT-413, HT404, HT405, HT406, HT408, HT410, HT411, HT412, HT413, PAD26S driver / horn. And Cerwin Vega, H25, H-25, H 25, HO25, HO 25, HO-25 HO-25B, H25-F, H25F, HO25F, HO25-F, CT15, CT-15, CT 15, V-15, V-9 V-30X, V35C, V-43, PD-18B, D-32V, SM-12, SM-15, DMT-1, DDMT driver / Dynacord MX8/ horn.

 This diaphragm is used by many loudspaker manufacturers.PAS, Carvin, Peavey, Yamaha, Powerworks, HK and many others.

This diaphragm has a copper voice coil on a Nomex former and a Phenolic dome just like the original Fostex / Foster diaphragm
Specifications
8 ohm DCR is 6.9 +or- 8% Overall diaphragm diameter 1 3/4-in or 45mm Overall length 2 3/4-in or 70mm Voice coil diameter 1-in or 25mm 

The JBL D16R2450 is the replacement HF diaphragm for the following JBL products:

• SR4731A
• SR4733A
• SR4731X
• SR4732X
• SR4733X

Note: If your speaker has an Ultra HF driver as well as a HF driver, the Ultra HF driver takes a different diaphgragm.

Replacement diaphragm kit for 44XT™driver

 Impulse 1582, HV1582, DTH 4115, DTH 4215, DTH 4210, DTH4115F, DTH 4215F, DTH 4210F, DTH SM Left, DTH SM Right, SP1G,ILS 1564V, SP1X, SP7X, ILS 1564H, ILS 1594V, ILS 1594H,ILS 1264V, QW ML, QW MR, SP7G, ILS 1264H, ILS 1294H,ILS 1294V, QW 1, QW 2, QW 2F, QW 4, QW 4F, Q Factor 2212, SSE 1595