Search found 6 matches

by Adewitte
Mon May 09, 2022 11:29 am
Forum: DIY
Topic: NVA AP50 restoration project
Replies: 8
Views: 3112
Netherlands

Re: NVA AP50 restoration project

Yes, the older do have a different tone. But is that thanks to the pcb or different parts used on the boards? Stuf on the old boards become obsolete like the styroflex and Wima tropyfoil caps. They are both good, but i realy do like the old boards.
by Adewitte
Sun May 08, 2022 12:34 pm
Forum: DIY
Topic: NVA AP50 restoration project
Replies: 8
Views: 3112
Netherlands

Re: NVA AP50 restoration project

Thanks. That is my experience also. It's make the amp sound more "dead" if you put more in. Thats why i have two caps on the VAS stage. I first had four but that did not sound right to me. Going back to two and two Wima bypass did make it sound better. I could maybe get away with 2200uf on...
by Adewitte
Sat May 07, 2022 2:59 pm
Forum: DIY
Topic: NVA AP50 restoration project
Replies: 8
Views: 3112
Netherlands

Re: NVA AP50 restoration project

Thanks. The amp deserved it.
by Adewitte
Sat May 07, 2022 12:50 pm
Forum: DIY
Topic: NVA AP50 restoration project
Replies: 8
Views: 3112
Netherlands

NVA AP50 restoration project

Some time ago i discoverd NVA. I have always been a fan of Brtish HIFI but NVA is something else. Been reading a lot about the brand and mr. Dunn. The design philosophy appeals to me a lot. I have heard some amps and paired with equipment which share the same design principles these amps can sound s...
by Adewitte
Fri Apr 01, 2022 11:56 am
Forum: DIY
Topic: Another DIY SS Amplifier with NVA Boards
Replies: 372
Views: 155881
Netherlands

Re: Another DIY SS Amplifier with NVA Boards

Thanks Paul for the service,

Wil drop hem a line. Wil be interesting.
by Adewitte
Fri Apr 01, 2022 9:09 am
Forum: DIY
Topic: Another DIY SS Amplifier with NVA Boards
Replies: 372
Views: 155881
Netherlands

Re: Another DIY SS Amplifier with NVA Boards

I am also working on some NVA boards. I also want to try separate PSU for end and mid boards. I do not wan't to go with dual mono for my own reasons. I have AP50 boards and a spare original NVA Rs 30v 160va transformer that i want to use with an extra bridge and caps. I know that NVA now uses 25v an...