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Posts by AffeX

I will be joining rasmushorn from Denmark. Plane tickets are booked, but traveling light I won't bring much. I don't see any Sennheiser HD-800 in the list. Mine are recabled to balanced using MoonAudio BlueDragon cables, but I have an adapter to SE, so they will fit with any amp shown. If no one else bring some and the HiFi shop hosting the event is not going to show them, then let me know, and I'll try and find space for them. Otherwise I would rather not bring...
Westone Product Announcement Party....!  In ear customs...! I will literally cross the Atlantic Ocean to experience this.  (pure anticipation actually drove me over here all ready is it too late to join you tonight?)  
As much as I would love it to be in Copenhagen, I think Berlin would stand a better chance of attracting vendors. It's true there has been meets in Copenhagen, but this would be a different scale anyway. For a step up I think Berlin would be a fine choice. Regarding arranging the event, basically just copy cat the CanJam 2010 setup. They have done a fantastic job as I see it.
Quote: Originally Posted by digger945 I have used heater voltages from 5.8v to 7v for 6.3v tubes and I really don't see much difference. No difference at all in sound to me. I will be looking for something that I think you could use. Do you ever shop ebay? Have you decided if you want to use a seperate transformer and off the shelf PS for the heaters? This info will help when looking for stuff online(if you haven't already purchased the PS...
Quote: Originally Posted by Ferrari ... to get 3V ... 20V DC out. Yeah, I see the hinted voltage drop. So 6V AC may only give me 4.5-5V DC and my plan suck. 6V AC is too low and using the 6V output in series to get 12V is too much for the LT1083. I guess it was too 'perfect' to be a true success. But thanx to all of you for working this through with me.
Quote: Originally Posted by tonearm You might want to go the dual transformer route. Separate one for the heaters so you can fire them up first using a delay circuit. Apex Jr has 160VA Avel Lindberg transformer (with dual primaries for 230volt operation) that are suitable for the HV section of the EHHA for about 22$ a piece. He could easily ship it to Europe via USPS small flat rate box for another 12.50$. So $35 total but to get it through...
I really appreciate your comments, you are very helpful digger945 and dBel84! I have not bought the transformer yet. Looked at this transformer because it's supposed to be 'audio grade', shielded etc I know 160VA would be more than enough for the amp, but they have no 160VA/30V versions of this quality. The s22 kits at GlassJar are limited to 100VA max, and that seemed too little. So I need a different transformer anyway, and figured I could save some space (and money)...
ok digger945, I'll post a resume, saving you the scrolling ;-) Quote: Originally Posted by AffeX I'm planning this NT-LN 250.30-6 (250VA/2x30v/2x6V) shielded audio torroid from THEL for my balanced EHHA build. My idea is to use 2x30V as is for the s22 psu, and from same torroid connect the 2x6V in series to provide 12V for this power regulator a dual LT1063 power regulator, suggested by Ferrari for powering tube heaters. I will connect the two sides...
Niiiice work, John! Great finish and very fitting for the HD800, that's also nicely blended into the background. And the words, man....no doubt Ti deserves it all!
Quote: Originally Posted by AffeX Thank you for noticing this Ferrari. I also wondered if the 12V would be too much, as you earlier suggested 2x9V. So from your post I read this: 1. I can run both s22 and heater psu from same torroid without compromising sound quality - otherwise I'm sure you would have said so 2. As 12V AC rectified gives 16-17V DC, then 6V AC rectified might give me 7-8V DC. So why don't I just use the 2x6V secondary as they...
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