jpr703
Headphoneus Supremus
- Joined
- Sep 24, 2004
- Posts
- 2,733
- Likes
- 16
I'm really impressed with the new look--very sharp!
Originally Posted by Teerawit DIY kit please! |
Originally Posted by kugino can someone tell me why there are four tubes? is it b/c of the two outputs? |
Originally Posted by robert What's more intriguing: the short bottles look like 12AU7; definitely not 5751. The tall bottles still look like 12B4A, but that's the output in the current circuit. The 12BH7 is similar, but the photo looks to show an open cathode. hmm. I think I want to know more about the circuit. I sure want to know if there's room for a TKD pot. I'll wait. |
Originally Posted by sacd lover In case you missed this post ..... Thank you for your interest. I am looking at the ECC99 with both triodes connected in parallel. Otherwise no fundamental change in the circuit topology as it is already optimal for headphone amplification. The input tube will be a 5751 as I believe it is the best miniature tube for high gain applications. There will be no electrolytics in the signal path. Lloyd |
Originally Posted by sjt78 How expensive are these tubes? Just checking to see if it will cost big bucks to tube roll. I'm not familiar with those two. Right now I'm undecided on the look of the amp. I actually like the styling of the standard amp. I'm also very curious to find out the price. |
Originally Posted by jpr703 I'm really impressed with the new look--very sharp! |
Originally Posted by sacd lover In case you missed this post ..... |
Originally Posted by sjt78 Okay, I'll be the first one to ask...what are the benefits of an amp design that does not use electrolytics? Thanks. |
Originally Posted by sjt78 Okay, I'll be the first one to ask...what are the benefits of an amp design that does not use electrolytics? Thanks. |