If you don't mind, are you running your TU-8900 with negative feedback or without?
Thank you,
Steve Z
I'm considering purchasing the 8900 as my next project.
Can anyone speak to how the auto-detection between the 300b and 2A3 works?
Thanks in advance!
Can anyone speak to how the auto-detection between the 300b and 2A3 works?
Thanks in advance!
Steve,
I’m curious to hear your thoughts on the rca black plates with the 8900. I see audiotubes.com has some NOS matched pairs available and that seems like a much safer route than looking for used pairs on eBay or the likes.
I’m curious to hear your thoughts on the rca black plates with the 8900. I see audiotubes.com has some NOS matched pairs available and that seems like a much safer route than looking for used pairs on eBay or the likes.
Great thanks! I was trying to wrap my head around how that was being accomplished in the case where you have a 300B with a 2.5v filament like the EML mesh plates 300B.
That's too bad. I know it can't be posted here but is the schematic detailed enough to show the internal workings of the detection module or does it show up as a block diagram?
Definitely not a deal breaker but those EML mesh plates sure are nice tubes.
Definitely not a deal breaker but those EML mesh plates sure are nice tubes.
Block diagram. The two modules are pre-assembled in Japan.
Are you aware that the latest 300B EML meshplates datasheet on the EML website show 5v filaments? However there is a long article about how the current 5V EML 300B meshplates differ from standard and the precautions the user needs to take if they are going to use them.
http://www.emissionlabs.com/datasheets/EML300B-mesh-final.html
Steve Z
Are you aware that the latest 300B EML meshplates datasheet on the EML website show 5v filaments? However there is a long article about how the current 5V EML 300B meshplates differ from standard and the precautions the user needs to take if they are going to use them.
http://www.emissionlabs.com/datasheets/EML300B-mesh-final.html
Steve Z
Victor,
Thanks for your guidance. This worked out very well.
I’ve been listening through a pair of Klipsch RP600M’s (Gen 1). No negative feedback. Everything I love about the 300B is already there, even though there’s been no real break-in time.
In addition to what I love, it’s driving the low end beyond expectation. I suspect the OPT’s have a lot to do with than (on top of a great design).
This is the 1st 300B I’ve heard with solid state rectification.
You were right. I love it!
P from New York
Thanks for your guidance. This worked out very well.
I’ve been listening through a pair of Klipsch RP600M’s (Gen 1). No negative feedback. Everything I love about the 300B is already there, even though there’s been no real break-in time.
In addition to what I love, it’s driving the low end beyond expectation. I suspect the OPT’s have a lot to do with than (on top of a great design).
This is the 1st 300B I’ve heard with solid state rectification.
You were right. I love it!
P from New York
I am P. Victor posted an email I sent him yesterday.
I'd like to add kudos for Victor, as well.
I've never dealt with a vendor who's been so consistently prompt with responses. That's true for my professional life, too. Victor is so fast, I suspect he's an AI 🙂
Once he sufficiently helped me assemble the proper order, Victor shipped the same Friday I made payment. The order was delivered to my apartment in DC on Monday.
After some help from Victor, diagnosing a non-playing channel, I had a working amplifier Wednesday. Assembly was straightforward enough; I just missed a solder bridge on the headphone board.
Once break-in is complete, I'll also be using the amp with a pair of C&C Abbys. Beyond that, I'm looking for suggestions. I listen to all sorts of music; but mostly Jazz (40's and up). The RP600M's, in this configuration, are a little bright for me; but I think the Abby's will be lacking a little brilliance.
I opted for the Western Electric 300B's. I've previously had EH's in an amp I built from TubeLab. The construction improvements are immediately apparent, and the wooden case is a nice touch.
After a day of listening, I couldn't be more impressed. When I heard the first vocals through it, I felt emotional. I'd order this kit 100 more times; and they'd all be from Victor.
I'd like to add kudos for Victor, as well.
I've never dealt with a vendor who's been so consistently prompt with responses. That's true for my professional life, too. Victor is so fast, I suspect he's an AI 🙂
Once he sufficiently helped me assemble the proper order, Victor shipped the same Friday I made payment. The order was delivered to my apartment in DC on Monday.
After some help from Victor, diagnosing a non-playing channel, I had a working amplifier Wednesday. Assembly was straightforward enough; I just missed a solder bridge on the headphone board.
Once break-in is complete, I'll also be using the amp with a pair of C&C Abbys. Beyond that, I'm looking for suggestions. I listen to all sorts of music; but mostly Jazz (40's and up). The RP600M's, in this configuration, are a little bright for me; but I think the Abby's will be lacking a little brilliance.
I opted for the Western Electric 300B's. I've previously had EH's in an amp I built from TubeLab. The construction improvements are immediately apparent, and the wooden case is a nice touch.
After a day of listening, I couldn't be more impressed. When I heard the first vocals through it, I felt emotional. I'd order this kit 100 more times; and they'd all be from Victor.
I just ordered mine yesterday and it should be arriving today! Hope to have some time to start building next week.
Going to build stock first and then upgrade caps down the road.
Going to build stock first and then upgrade caps down the road.
I’m wondering how a pair of nos Telefunken red tipped 12AU7s would compare with the CBS Hytron 5814WAs that I’m currently running? I’m thinking I’d like to go a bit warmer. Running Psvane Acme 2A3s.
Cheers
Cheers
Finished the PCB assembly today after slowly working through it this week. Spent about two hours finishing it today.
Very relaxing and meditative process for me. These kits are so well thought out and designed.
Hopefully will finish tomorrow and can give it a listen.
Very relaxing and meditative process for me. These kits are so well thought out and designed.
Hopefully will finish tomorrow and can give it a listen.
Attachments
Hello Victor, I think I want to build the TU-8900 as my next project. Is the pricing and parts selection at the beginning of this thread current? Also please expain how I actually place the order. Many thanks
Bruce B
Bruce B
Hi Bruce
Please send your email to info@vkmusic.ca. I will send you a updated price chart
Thanks
Victor
Please send your email to info@vkmusic.ca. I will send you a updated price chart
Thanks
Victor