Interstage transformer ratio, spacecharge tubes in PP

[jazbo8]

The vintage speaker certainly contributes to the success of the amplifier, not so easy to get though... Old radios?

 

[efeemeka]

Ok in old radio can adquire this, I see for locals antiquis or ebay sales, but it is big utility angd beautiful in small dimensions, i have 3 or 4 of 6"....more dimensions very higth cost.