[TenTec] Omni C, 2.4Khz filter

[Barry N1EU]

Can someone please indicate whether the 2.4Khz 9Mhz filter in the Omni
C is the standard Ten-Tec size filter and is socketed?  I'm wondering
if it can be replaced with an Inrad 2.8Khz filter.

Thanks,
Barry N1EU