Zenith to Hitachi Cross
Zenith projo model,
RB50M88WA
RB60M88WA
B50M88WA
B60M88WA
This is the ZP-88R Zenith Chassis designation.
It's based on the AP-82 Hitachi Chassis.
Different
Micro.
Analog Convergence
Speaker Matrix
Hitachi AP-82 Model
55FX48B
Zenith projo model
IQB50M90WA
IQB55M90WA
IQB60M90WA
RB60M90WA
This is the ZP-90R Zenith Chassis designation.
It's based on the AP-90R Hitachi Chassis.
Different
Micro. Analog Convergence Speaker Matrix Hitachi AP-90R Model 46FX01B
Zenith projo model
IQC50H94W
IQC60H94W
This is the ZP-04 Zenith Chassis designation.
It's based on the DP-05 Hitachi Chassis.
Different
Micro.
No Velocity Modulation
3-Line Comb Filter
Hitachi DP-05 Models
53FDX01B
Zenith projo model
IQC50H95W
IQC60H95W
This is the ZP-05 Zenith Chassis designation.
It's based on the DP-05 Hitachi Chassis.
Different
Micro.
Hitachi DP-05 Models
53FDX01B
Sharp projo model
50NHP400
60NHP400
This is the SP-05 Sharp Chassis designation.
It's based on the DP-05 Hitachi Chassis.
Different
Micro.
Hitachi DP-05 Models
53FDX01B
Special thanks to Alvie Rodgers