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Mackie

Review: Cayin HA-1A headamp

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E = Elite?

EG = Elite Gold?

 

Well, if you do get some I wanna ride on that gravy train too since I pretty much prefer the sound of the "Plain Jane", "Vanilla" Ei Elites anyway wink.gif

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Actually N@Z,

 

If I do get the Cayin, then maybe HC, Mack, Oak, u and me ( and anyone else may like to explore getting some really NOS (or slightly used stuff) from http://www.audiotubes.com/6bq5.htm

 

As each person's system differs the right tube will probably be different for each person.

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Btw, Frankie at Well Audio will carry out tests to ensure the tubes are matched if U request for it. I got my EI and JJ tubes matched to a "T" by him.

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Ah but Frankie does not have the equipment to burn in the tubes at max plate voltage and then match them. There's a reason for doing this. 1st it culls about 30% - 50% of the tubes - they can't handle the max plate voltage and the tube goes pftt. Those that survive are relatively stable and can then be matched properly.

 

Don't get me wrong - no one in Singapore to my knowledge burns in the tube for 24 hours at max plate voltage before matching. Obviously this can only be done if you have a special rig for burn in. Kevin Deal of Upscale Audio (US) has one so does Uncle Ned of Triode Electronics (US) Watford Valves (UK). That's why their tubes cost a bit more - sometimes as much as 2x.

 

 

For an inexpensive amp it may not be worth it but I sleep easier at night knowing my tubes have all undergone a 24 hour burn-in and then matched.

 

Mullard fans do not have to worry as all Mullard tubes underwent a 48 hour burn-in.

 

 

Cheers

 

 

 

Edited by Rameish

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Don't know about Uncle Ned but Kevin of Upscale Audio never reply back to any of my queries via emails.

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Only a couple, initially I thought it was a problem with the email or he was a way or something. No biggie, I get to save some money that way! Anyway getting a little side tracked sorry.

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