GM70 in my country

[hooman]

my gm70 project use 7 tubes.1050 v dc on plate . global feedback .no hum .dht b405 input .


philips b405 .....12au7......6sn7 ........gm70.

 

[mdamp]

very good looks great!!

 

[HeyBill]

Looks nice. What else have you got there? Looks interesting. Bill

 

[deafbykhorns]

Details?

 

[hooman]

Details?

first target in project like gm70 or 211 should be sound ..so opt is important point .good se opt is expensive and my opt is hand made in 7.3 k.c core double coil.this project is not expensive but sound can compare with very expensive amps.

 

[hooman]

 

[Celsius]

Congratulations. Very good job.

 

[hooman]

ez80 is nice rectifier for low current .in this project driver circuit use 340 v for signal voltage swing in g pin of gm70 .