KT150 in ARC Ref 75/150/250 amps ? ..... - Page 3
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  1. #21
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    HOLY SHIT!

    I just swapped some 150s into my REF75. Thought I had a bad tube, but it turns out one of the driver tubes was crackling. I swapped in some 6H30s from another amp, and gave the system about 10 minutes to warm up. I played one side of a record to warm up my cartridge, then put on side 1 of Hugh Masakela's HOPE album (45 rpm).

    WOW, just F'n WOW. Those KT150s rock'd my world. Some might argue an amp like the REF75 isn't enough for the Alexias, but at 105+ db peaks the needles seldom popped past halfway up the dial, and the bass was just amazing. The contractors working outside greatly enjoyed the tunes!

    Did I mention how much fun I'm having now my system is up and running? I think I'm up to 35 hours, and about 1 hour on the KT150s.
    —Bob V.

    My system: Benz LPS, AMG v12 turntable, Einstein Turntables' Choice phono-pre (dual mono version), dCS Rossini, Audio Research Ref10 pre, Audio Research Ref75 amp w.KT150 tubes, Wilson Alexia speakers. Transparent Ref MM2 & Gen5 signal cables, Shunyata Zitron Sigma, AlphaNR, Python, Anaconda, Cobra power cables. Shunyata Hydra Triton v3. Stillpoints. HRS. Acoustic environment optimized by Dr. Bonnie Schnitta of SoundSense.

  2. #22
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Having previously heard the KT-150s in the Raven amps, I was amazed at how good they sounded. I can't wait to try them in my Ref 75.

  3. #23
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Awesome news Bob! I am so happy for you. I'd love to hear KT-150's in the ARC Ref. amps.

    Quote Originally Posted by Bobvin View Post
    HOLY SHIT!

    I just swapped some 150s into my REF75. Thought I had a bad tube, but it turns out one of the driver tubes was crackling. I swapped in some 6H30s from another amp, and gave the system about 10 minutes to warm up. I played one side of a record to warm up my cartridge, then put on side 1 of Hugh Masakela's HOPE album (45 rpm).

    WOW, just F'n WOW. Those KT150s rock'd my world. Some might argue an amp like the REF75 isn't enough for the Alexias, but at 105+ db peaks the needles seldom popped past halfway up the dial, and the bass was just amazing. The contractors working outside greatly enjoyed the tunes!

    Did I mention how much fun I'm having now my system is up and running? I think I'm up to 35 hours, and about 1 hour on the KT150s.
    Joe

    McIntosh MC1.25KW monos, McIntosh MCLK12, McIntosh MC303, Luxman C900u, Job INTegrated, Accuphase A-36, Cary 300B SE, JBL 4367, Falcon LS3/5a, Sonus Faber Stradivari, Revel Ultima Studio 2, JBL 4312D, Klipsch Palladium P17-b, Klipsch RP-160M, Klipsch RB-75, KEF LS50, ModWright Ultimate Sony XA-5400ES, ASL Wave monos, Kimber RCA and XLR cable, VPI Classic 3, VPI SDS, Lyra Kleos, Burmester 948, Metric Halo LIO-8, PS Audio DirectStream DAC with Bridge II, Linear Tube Audio MZ2 - MicroZOTL2.0 Preamplifier.

  4. #24
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Quote Originally Posted by Bobvin View Post
    HOLY SHIT!

    I just swapped some 150s into my REF75. Thought I had a bad tube, but it turns out one of the driver tubes was crackling. I swapped in some 6H30s from another amp, and gave the system about 10 minutes to warm up. I played one side of a record to warm up my cartridge, then put on side 1 of Hugh Masakela's HOPE album (45 rpm).

    WOW, just F'n WOW. Those KT150s rock'd my world. Some might argue an amp like the REF75 isn't enough for the Alexias, but at 105+ db peaks the needles seldom popped past halfway up the dial, and the bass was just amazing. The contractors working outside greatly enjoyed the tunes!

    Did I mention how much fun I'm having now my system is up and running? I think I'm up to 35 hours, and about 1 hour on the KT150s.
    Congrats Bob! Love those 150's. Pics please!


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  5. #25
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Some Audio porn doesn't hurt, right ?



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  6. #26
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Sweet !!!
    Joe

    McIntosh MC1.25KW monos, McIntosh MCLK12, McIntosh MC303, Luxman C900u, Job INTegrated, Accuphase A-36, Cary 300B SE, JBL 4367, Falcon LS3/5a, Sonus Faber Stradivari, Revel Ultima Studio 2, JBL 4312D, Klipsch Palladium P17-b, Klipsch RP-160M, Klipsch RB-75, KEF LS50, ModWright Ultimate Sony XA-5400ES, ASL Wave monos, Kimber RCA and XLR cable, VPI Classic 3, VPI SDS, Lyra Kleos, Burmester 948, Metric Halo LIO-8, PS Audio DirectStream DAC with Bridge II, Linear Tube Audio MZ2 - MicroZOTL2.0 Preamplifier.

  7. #27
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    The G sort of looks like a much more sexy version of the VS115 amp with KT-150s. How does it sound? How much is ARC charging for their KT-150s?

  8. #28
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Hi guys;

    I'm sorry if I'm asking the same questions again but still:

    • Can I safely swap KT120 with KT150 and if this is finally the case what is the needed Bias (65mA)
    • With the KT150 installed (if possible) is it possible to close the cover of the amp due to the size of the tube?


    Many thanks for your help!

    Cheers;
    G

  9. #29
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Fyi guys, I have the Ayon Orthos XS KT 150 for sale in the buy sale section at less than 50%. This is one up from the one listed on his website - 300w triode, 400 pentode. Read reviews and compares in that for sale post.

  10. #30
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    Re: KT150 in ARC Ref 75/150/250 amps ? .....

    Keep the same bias as per the marks on the meter. Yes the cover will fit but it is very close. I have had no problem using my Ref 75 with KT-150s and the cover.

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