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Eddie Current Balancing Act - Page 69

post #1021 of 1399
Ok, thanks, not a good idea for me then, certainly not at that price.
I think I'll try to find the tung sol and a metal based Sylvania or Osram to begin with along with the standard tube from Craig to hear the difference.



edit: does that exist, a balanced male to 1/4 female adapter to connect 1/4 terminated headphones to the BA or is that not possible with the grounding of the balanced connectors?
Edited by AppleheadMay - 4/23/12 at 3:44pm
post #1022 of 1399

the balancing act at the meet yesterday had a 1/4" jack in it already, in addition to the 4-pin/3-pin jacks.  maybe that's not standard?

post #1023 of 1399

Yep, it does. But what I want to do is try to hear the difference between the balanced output and the single-ended one without recabling.

 

 

Purrin, the Standard Radio was indeed made by RCA as I found out.

The Osram are British made and should have a warmer sound as I read.

So my best bet would be the Tung-Sol and Sylvania.

Will let you guys know if I find them.

 

 

Oh by the way, I read about the partial-silver transformeers making a big difference.

Am I correct in thinking that Craig includes these as standard now or am I misunderstanding what's on his site?

post #1024 of 1399

In general, the British stuff does tend to sound warmer with more bloom. The Sylvania stuff is sometimes on the lean side, or at least the treble is never as silky as I would like it to be. Keep in mind that PX4 output tubes can be a bit strident at times. Other factors such as source will contribute so YMMV. I had a hard time with the TS BGRP and actually preferred a tall glass 7N7 before the mk2 upgrade on my DAC.

 

psss transformers are now standard on the BA.

 

You have to re-terminate your headphone to try the difference between SE and 4pin XLR. No other way around it.


Edited by purrin - 4/23/12 at 4:47pm
post #1025 of 1399
There should be no difference between 1/4 inch or the xlr headphone outputs. That is one of the beauties of balanced transformer coupling - the whole circuit is being used regardless of output.
post #1026 of 1399

Thanks for your input both, I know what to look for.

I will make one of my LA7000 balanced then to hear the difference.

That is if all that stuff (Lawton, Martin cups, Norse cables) starts coming in and when I will have my BA.

 

My Dac?

I sold the Eximus as I will be going for the new Marantz Dac/network player, an upgraded version of the NA7004 but in their premium range. All Marantz stuff sounds pretty sweet with a hint of warmth, I heard and had a lot of Marantz gear already.

For now I am using a TEAC UD-H01, a low priced 24/192 async USB Dac i bought just to have a Dac while I wait for the Marantz. I will have more info on the Marantz mid June. The TEAC isn't bad at 335€ I paid for it I must say.

 

 

post #1027 of 1399

 

 

Quote:
Originally Posted by recstar24 View Post

There should be no difference between 1/4 inch or the xlr headphone outputs. That is one of the beauties of balanced transformer coupling - the whole circuit is being used regardless of output.

 

Yeah I struggle to find a difference between the SE and balanced outputs

post #1028 of 1399

Oh, by the way, what would be my best choice, a 4 pin XLR or 2x3 pin XLR headphone cable?

Any preference?

 

Even if there is no difference, I just gotta try it.  ;)


Edited by AppleheadMay - 4/23/12 at 5:25pm
post #1029 of 1399
4 pin is the most convenient, damn you headroom for ever starting that dual 3 pin idea, it's a bit clumsy. 4 pin can easily be converted to anything else with adapters. Most manufacturers seem to be up to snuff supporting 4 pin.
post #1030 of 1399

 

Quote:
Originally Posted by AppleheadMay View Post

Oh, by the way, what would be my best choice, a 4 pin XLR or 2x3 pin XLR headphone cable?

Any preference?

 

Even if there is no difference, I just gotta try it.  ;)

 

4 pin is much lighter then  2x3 xlr headphone cable.I prefer 4 pin.

post #1031 of 1399
Thanks, I'll go for the 4 pin. Probably will be easier to get a nicer finish as well with only one plug.
post #1032 of 1399

Is KR PX4 THE one for PX4 tubes?  Any NOS PX4 is comparable or offer a different sound of similarly high level?  How about the GEC/Osram/Marconi PX4? 

post #1033 of 1399

The 33S30A/B were made in Sweden under RCA license and have little in common.

They sound different from the 5692, much better.

You'll see the plate numbers printed on the 33S30 plates.

 

I have and used most of the so called "super 6SN7 tubes" and with my Balanced LA7000 I prefer the FIVRE 6SN7 Early Brown Base with the AVVT AV300B SL C32.

post #1034 of 1399

Any NOS PX4 is comparable or offer a different sound of similarly high level?  How about the GEC/Osram/Marconi PX4? 

    According to the PX4 site,  the author mentioned that the KR PX4 may be better sounding than the NOS

    There are several NOS PX4's and equivalents: Osram PX4 globe, ST, tubular   Mazda pp3/250   Mullard AC044  Ferranti LP4    Valvo LK4110 etc.

For me I prefer the Osram and Mazda  more than the KR PX4 as the sound are richer , fuller , more balanced     while the Mullard AC044 may not be as good

I also have the Ferranti LP4 but have no chance to listen critically.

post #1035 of 1399
Quote:
Originally Posted by rosgr63 View Post

The 33S30A/B were made in Sweden under RCA license and have little in common.

They sound different from the 5692, much better.

You'll see the plate numbers printed on the 33S30 plates.

 

I have and used most of the so called "super 6SN7 tubes" and with my Balanced LA7000 I prefer the FIVRE 6SN7 Early Brown Base with the AVVT AV300B SL C32.


Thanks for the tip on the Standard Radio tube.
I have the 6SL7 version of that tube and used it on the Zana last night.
I haven't done much comparing yet but the tube made the sound very dimensional and didn't add any tubey warmth, nor did it sound cold or harsh in any way.
I think it's a pretty good tube for the Zana.
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