X Series (current range replacement):
X-D (X-R low-sens capsules)
X-M (X-R measurement capsule)
X-O (X-R omnidirectional capsule)
X-Q (X-R omnidirectional capsule)
X-S (X-X microphone)
X-T (X-R omnidirectional capsule with transformer output)
X-T/D (X-R lows-sens capsule with transformer output)
X-W (X-R omnidirectional capsule with EQ disc)
U Series:
Most U Series products can be converted to the X-R system; please inquire.
MSH Series (current range replacement):
MSH-1 (all variants) (X-R omnidirectional capsule)
MSH-2 & MSH-2T (X-R omnidirectional capsule)
MSH-3 (X-R low-sens capsules)
MSH-4 (X-V tube microphone kit)
MSH-5
box series:
Most input formats can be supported by the IPA inline amplifier.
littlebox & midbox
PIPsqueak
tinybox
tinyhead
Inline Devices:
ITP inline amplifier — (see IPA for replacement)