ARC VT-60 Cloned :-)

[6A3sUMMER]

geladk
and
Yamaoka

None of your beautiful photos have 6550 tubes.

Yamaoka, you are using EL34 tubes.
geladk, What output tube types are you using?
Thanks!

The schematic, Post # 39 shows 6550 tubes.

 

[geladk]

Some pictures of my spare PCB.

 

[Yamaoka]

geladk
and
Yamaoka

None of your beautiful photos have 6550 tubes.

Yamaoka, you are using EL34 tubes.
geladk, What output tube types are you using?
Thanks!

The schematic, Post # 39 shows 6550 tubes.

Yes, I use EL34 Mullard Blackburn Xf2 and XF3 , Brazilian Miniwatts, JJ and 6CA7 Shuguang Blck Treaure!

 

[geladk]

geladk
and
Yamaoka

None of your beautiful photos have 6550 tubes.

Yamaoka, you are using EL34 tubes.
geladk, What output tube types are you using?
Thanks!

The schematic, Post # 39 shows 6550 tubes.

Mine are Svetlana 6550C Winged C.

 

[6A3sUMMER]

geladk,

I never saw 6550s that had straight glass envelopes.
Well, now I have.

 

[Yamaoka]

I'm thinking if I should follow the PCB and find out source follower/ccs that was supposed to be used here or go back to the orginal RLC version. Any experience or suggestions?

 

[Yamaoka]

While I study and try to find information aboit the best parts to use in that specific part of the circuit, my VT60 is coming back to life with