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SIEMENS 5751 Triple Mica

SIEMENS & HALSKE 5751 Triple Mica 
A rare find! Made in Munich, West Germany. These have everything the hi-end audio calls for : Very low noise floor, tight/meaty bass, extended hi-end, laid back but detailed and big sound. Your speakers will sound bigger than they actually are. An excellent choice for critical recording applications and phono stages! Please note that this is a $150/each tube by market rates, the price will go back up after a short while...

Quantity in Stock : 4
Price : Grade A @ US$120,00/ea ; US$250,00/matched pair
           
Grade A - The best in the stock. Lowest noise and microphony with the tightest balanced sections we have available. This is typically 10% or often tighter given the large volumes of our stock.
Grade B - Low noise and microphonics with a section balance typically between 15% and 20%, but may be higher depending on available stock. 
 

6 comments:

  1. No surprise they sell like Xmas cookies !! they sound great, have surprising high gain for a 5751, more like a 12AX7, the sound is very natural with dense colours and warmth combined with great dynamics, lots of details in a natural way and huge soundstage, good stuff indeed !! Please find a super pair more for me :-))
    Jeppe Lindberg, Denmark

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  2. As always, the description you do of this tube is exactly right.
    Huge tight bass, soundstage and dynamics. Great tube !

    Gilles, Canada

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  3. Très beau tube . Très musical Convient parfaitement pour le classique et en particulier l'opera

    Alain, France

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  4. I just received a matched A grade pair of Siemens 5751 tubes from Koray and NOS Tube Store and gave them a listen that same evening. I have to say I was expecting these particular tubes to have great definition and lots of air, and indeed they did. What I was not expecting however was the tight base, nicely pronounced lower mids and the high level of overall energy they exhibited. Very musical and lots of punch. This is a great tube, highly recommended. And, again, this was right out of the box !! So, obviously Koray does a fantastic job of burn in and matching. First buy from NOS and it won't be the last.

    And . . .thanks to Koray for his generous and helpful information and guidance.

    James Cox, USA

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  5. Dear Koray , I would like to share with you my first impressions about the following nos tubes. It was my the first purchase from the NOS TUBE STORE but definitely wont be the last.

    SIEMENS 5751 TRIPLE MICA . I got these tubes in perfect condition with original boxes and thank you for that. These tubes have a very detailed and transparent top end and very tight bass , correct musical body and dimensions and a very very low noise floor when using in phono stage. I did not notice loss of gain when I used them in place of 12ax7/ECC83 . Downsides, I found them a little sterile and not the last word in musicality , not recommended for bright systems especially in high frequencies, but overall if you are seeking for high resolution, transparency, speed and dead /black backgrounds you cannot find better tubes than these. In the past I had also 1 matched pair SIEMENS/ HALSKE E83CC TRIPLE MICA 1950 excellent tubes also and I think they are the almost the same with SIEMENS 5751 that I bought from you , I paid that time 150 euro each tube, so I think your price for matched pair is very good for that super rare tubes.
    Best regards, Alki Papadas
    Athens/Greece

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  6. Hi Koray,
    I have received the tubes today. All is ok, no dammage or problem due to transport.
    Thanks for the safe packaging! The tubes are in pristine condition and sound perfect in my system. Perfect deal!
    Damien Revilloud - Switzerland

    ReplyDelete

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