VAA-70MK2 Dynaco clone?
- Thread starter viridis
- Start date
I got the amp, checked it out and the left OT is blubbery and dark, even with new EL34's. The right one is dull even at moderate volume with a couple quickly changed new caps and NOS perfect testing and otherwise sounding Mullards (just finished a quick run through-more tomorrow-gotta binge Ozark with my wife). I'm sure I could spend many $$'s rebuilding this beast but I doubt it will ever come close to a stock Dynaco with my budget. Should have known for the $100 bucks I finally paid but the chassis (nice looking) and hardware is worth that. Your right about the 6l6 family's impedance and if you put it together right, well, I've heard some beauties. The NOS GC and 5881 sound great and I've got some for guitar amps and maybe now I've got new ot's for that purpose. I just don't like new production tubes like KT66, 88, etc. They break too easily for me or cost as much as NOS for well tested, burned in good ones. The thing is, I want to use NOS 7591, 6GM5 and 7868 since I have so many and if I can't mod this amp I think I'll play with one of those tubes in an amp based on a McIntosh 225. I've never heard one but the legend...... The ST70 EICO transformers I already have
can sound ALMOST as good as Scott's with the right circuit. I'll be back for suggestions if that happens. I love the way those tubes sound and actually, one set of NOS will last five years minimum if I'm vigilant about maintenance so my kids will have tube sounds 'till the earth melts. Thanks for the suggestion. Good to have the company.
can sound ALMOST as good as Scott's with the right circuit. I'll be back for suggestions if that happens. I love the way those tubes sound and actually, one set of NOS will last five years minimum if I'm vigilant about maintenance so my kids will have tube sounds 'till the earth melts. Thanks for the suggestion. Good to have the company.
As far as Ozark goes we only got through three before my wife fell asleep. Can't say that I'm too excited about watching it again but having spent 37 years in Missouri and my first 22 in New England it's pretty funny watching Jason Bateman's character react to just how smart rural Missouri criminals can be! I Fly fish in even more remote areas full of methlabs-creepy.
As to the amp, it's on hold as I found out between episodes that we have two grand daughters and a dog for the next 9 days which means I go nowhere near my "shop" for the duration. One of those agreements my wife told me about. When I'm allowed, I'll get back to it but to answer your question-no choke and someone monkeyed with the amp a long time ago-hence the two capacitors (burned to a crisp) I changed. Maybe there was one but a large (huge) resistor was sloppily soldered in. Hopefully be back at in a couple weeks.
As to the amp, it's on hold as I found out between episodes that we have two grand daughters and a dog for the next 9 days which means I go nowhere near my "shop" for the duration. One of those agreements my wife told me about. When I'm allowed, I'll get back to it but to answer your question-no choke and someone monkeyed with the amp a long time ago-hence the two capacitors (burned to a crisp) I changed. Maybe there was one but a large (huge) resistor was sloppily soldered in. Hopefully be back at in a couple weeks.