[AMPS] 4CX1500B

[Tarrant David]

Hello, 

I am in the process of putting together a 4CX1500 amp.  Any input to the
following would be greatly appreciated?

1.  Antenna switching ... Vacuum relays Vs pin diodes
2.  Full break-in keying
3.  Meter and protection circuits

Tks & 73,

Joe  VQ9JT/K5DIY


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