matching tubes

proud indian · 3519

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Offline proud indian

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on: November 29, 2012, 04:43:55 AM
Any difference or need to match the 3S4?

shreekant :)

system 1. oppo, quickie,SEX 2.1 ( V cap), Decware DFR8 in ZOB cabs
System 2. Tascam cd200, Terra Dac,Zbox,Decware Zen amp(V cap) Lowther PM6A in Acousta horns.
Maple rack, Brass footers,Power conditioner, dedicated treated room, iso pads, plenty of tubes. All cables DIY.

Offline earwaxxer

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Reply #1 on: November 29, 2012, 05:27:47 AM
I havent found the need.

Eric
Emotiva XPA-2, Magnepan MMG (mod), Quickie (mod), JRiver, Wyrd4sound uLink, Schiit Gungnir, JPS Digital power cord, MIT power cord, JPS Labs ultraconductor wire throughout, HSU sub. powered by Crown.

Offline proud indian

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Reply #2 on: November 29, 2012, 06:25:33 AM
Thanks Eric. Now, if I were to follow you, with my eyes closed, which brand should I buy........just one name .......no justifications.

shreekant :)

system 1. oppo, quickie,SEX 2.1 ( V cap), Decware DFR8 in ZOB cabs
System 2. Tascam cd200, Terra Dac,Zbox,Decware Zen amp(V cap) Lowther PM6A in Acousta horns.
Maple rack, Brass footers,Power conditioner, dedicated treated room, iso pads, plenty of tubes. All cables DIY.

Offline earwaxxer

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Reply #3 on: November 29, 2012, 06:54:15 AM
Hey Shreekant!- That would be easy - Telefunkens - I think many will agree. Second, IMO is RCA. Although, I think you can experiment with various brands and do some tube rolling to see what brand sounds good with your kit. My system has 'evolved' since I got the Quickie, and I have been back and forth with my opinions. But, for now, Telefunkens are it!

Eric

Eric
Emotiva XPA-2, Magnepan MMG (mod), Quickie (mod), JRiver, Wyrd4sound uLink, Schiit Gungnir, JPS Digital power cord, MIT power cord, JPS Labs ultraconductor wire throughout, HSU sub. powered by Crown.

Offline Alonzo

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Reply #4 on: November 29, 2012, 08:08:35 AM
I second the Telefunkens, my second would be some Mullards, I've got a couple that give them a good run for the money.  There's some nice DL92 Tele's listed on the bay.

Alonzo
Gameroom:>Mainline to HD820, SR45 to Pipette
>BeePree Kaiju & SII to Altec 19 knockoffs
Office:>BH Stat amp to Koss 95x, T20 SET to JBL 4309s
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Offline proud indian

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Reply #5 on: November 30, 2012, 03:00:03 AM
Thanks!!

system 1. oppo, quickie,SEX 2.1 ( V cap), Decware DFR8 in ZOB cabs
System 2. Tascam cd200, Terra Dac,Zbox,Decware Zen amp(V cap) Lowther PM6A in Acousta horns.
Maple rack, Brass footers,Power conditioner, dedicated treated room, iso pads, plenty of tubes. All cables DIY.

Offline Zimmer64

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Reply #6 on: December 19, 2012, 08:31:24 AM
Maybe a bit off topic, but how long do those tubes last? What is their life expectancy? Should one buy a spare pair?

Michael

ps: Installed Telefunken's as well and love the sound.

Nelson Pass F5 Turbo V2, Quickie (mod), S.E.X. 2.1, Tubes4hifi SP14, Dynaco VTA ST 70, Tubelab SSE, Vroemen Diva Superiore ER4, Jordan JX92S VTL, 47 labs 0647 CD, Aqvox DAC, Rowen Absolute pre / psu / power amps, BG Neo3 / Betsy / Eminence A15 open baffles

Offline Paul Birkeland

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Reply #7 on: December 19, 2012, 10:22:34 AM
Run in the manner that the Quickie operates, I would expect no less than 10,000 hours of lifetime, with the upper limit being pretty difficult to determine.

FWIW, I have a pair of used old stock Sylvania 6SN7's that have been in constant service for nearly 4 years now (never turned off) that still operate properly and test good.  That is 35,000 hours.  Consequently, I think I will be selling off quite a few of my 6SN7's, as a lifetime supply won't be that many tubes.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline matthewmckay

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Reply #8 on: December 19, 2012, 12:14:04 PM
When I get a new set of 3S4's, I usually mark the tubes (L and R) and listen for a while. Then once I am familiar with the sound, I switch their positions.

I have found that about 50% of the tube pairs I have picked up sound better in one position vs the other. 
 


Offline proud indian

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Reply #9 on: January 02, 2013, 06:05:43 AM
Quote from: matthewmckay on December 19, 2012, 12:14:04 PM
When I get a new set of 3S4's, I usually mark the tubes (L and R) and listen for a while. Then once I am familiar with the sound, I switch their positions.

I have found that about 50% of the tube pairs I have picked up sound better in one position vs the other. 
 

Sure tubes do need matching. In your case, your room may be the adjustment factor.......just a guess.

system 1. oppo, quickie,SEX 2.1 ( V cap), Decware DFR8 in ZOB cabs
System 2. Tascam cd200, Terra Dac,Zbox,Decware Zen amp(V cap) Lowther PM6A in Acousta horns.
Maple rack, Brass footers,Power conditioner, dedicated treated room, iso pads, plenty of tubes. All cables DIY.

Offline matthewmckay

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Reply #10 on: January 02, 2013, 07:19:15 AM
I agree completely...  my room is not absolutely symmetrical, but then I imagine that most listening environments are not.

I would also think that the tiny amounts of variance in my driver measurements would also contribute to the effect.

just something to try if your new set doesn't appear to mesh well in your system. 

 


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