The HRO-60 is double conversion, Pedro. The A and B coils for the HRO-60 won't work in an HRO-50 and vice versa.
73 John
And the HRO-60 also covers 6 meters.
HRO-50 or HRO-50R, HRO-50T .5 KHz to 30 MHz 15 tubes
HRO-50-1 or HRO-50R1, HRO-50T1 .5 KHz to 30 MHz 16 tubes
HRO-60 .5 KHz to 30 MHz & 50 to 54 MHz 18 tubes
Ok, Tnx to all...
Well, I bouhgt one HRO50TI in one local hamfest, some rust and dust, but after some deoxit and replace the 5V4, the radio get backs to life again, im always surprise for the excellent quality of this rigs.
I bought this mainly for the tunning units for my HRO60, but looks im on the way to start to collect HRO's.
My HRO60 is still in Mexico City in a warehouse, so I can't compare both rigs, thanks for the help guys!
Regards