I have acquired on Ebay an amplifier HF ITT 12v 100W with written following:

600942-536-001
LPA ISSB
MADE IN USA

Someone knows to that apparatus belongs?

It is possible to find the schematic diagram?

Use one 2N4427 + 2xEGC3338 + 2xMRF455

Thank you

IK6GQC Rocco