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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: SP16 - Tube Rolling posted by WindWater on September 20, 2004 at 21:58:17:
WW,I haven't played with an SP16 myself so I'm speculating a bit.
The SP16 was suppposed to have been designed around- the sound optimized for- the Electro-Harmonix 12AX7EH. i'm not sure how this figures into a tube choice equation, as i don;t know the nature of the sound these make- but there it is.
Typically, it will be the first two positions of the Phono stage and first two of the Line stage that make the most impact and I would try these first. You are correct that the cathode follwers only need to be quiet to fullfill their job descrition.
Choices to consider for the Phono would include:
1. Amperex Bugle Boy - or really any early to mid 60's Philips 12AX7- Philips or Valvo branded are wonderful tubes. The orange globe labelled Amperex are a bit later, to me very fine also ,while cheaper than the BB series. These Amperex are for me a clear first choice in Phono.
2. Siemens ECC83- very nice also, a bit more agressive than the Philips made. i have the Siemens E83CC triple mica which some find too fast and punchy, but I love those in my ARC SP8 revision 4. they also really liven up the old McIntosh gear.
3. Don't discount the excellent RCA 7025- these are fantastic.For the line stage- since there may be digital lurking, I would consider:
1. A pair of the aforementioned RCA 7025s or regular 12AX7s- with the squared off micas.
2. I'ce used some early sqaure getter Sylvanias and these are lush and deep if you like that kind of sound.I would be interested too if 5751 would sound good in the SP16. The gain is a bit lower than the 12AX7, but the sound of the old black plate, square getters tubes in the right spsots is amazing. I was so excited by the sound of these, I eventually bought 20!
I am not so excited generally by Telefunken and Mullard 12AX7s, but many, many people prefer these makers over all others. The Mullard M8137- if you ever see earlier production is a great one.
Cheers,
Bambi B
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Follow Ups
- Re: SP16 - Tube Rolling - Bambi B 16:27:01 09/22/04 (2)
- Re: SP16 - Tube Rolling - WindWater 18:17:43 10/01/04 (0)
- Re: SP16 - Tube Rolling - WindWater 08:52:43 10/01/04 (0)
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