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Thread: Advise please: phono stage?

  1. #11
    Join Date: Mar 2017

    Location: South London UK

    Posts: 42
    I'm Colin.

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    Quote Originally Posted by willbewill View Post
    I'm assuming the lower DIP switch is the one to set...if so then gain is set to 43dB, impedance to 47k ohm, and capacitance to 100pF. The capacitance would be worth trying - initially just change switch number 7 to UP instead of DOWN (remember to switch phono stage off before adjusting).
    Thanks - should I try switching the no7 switch on both panel of switches?


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  2. #12
    Join Date: Mar 2017

    Location: South London UK

    Posts: 42
    I'm Colin.

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    Quote Originally Posted by WAD62 View Post
    I have a Tube Box S, and I couldn't be happier with it...

    What type of cartridge is yours MM or MC, or high output MC?

    I just set mine to the default example provided in the manual for my type of cartridge which is a high output MC?

    Dip switch 1 turned on would suggest your cartridge is a low output MC
    It's a nagoaka 150 mm - the Hifi shop set up the Pre amp....


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  3. #13
    Join Date: Mar 2014

    Location: West Wales

    Posts: 35
    I'm malcolm.

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    Quote Originally Posted by Colinijohnson View Post
    Thanks - should I try switching the no7 switch on both panel of switches?


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    The bottom one, and looking at it again, man those switches are like optical illusions, yours is currently set for 40 dB gain, 47k ohm impedance, and 200pF.

    First thing I would try is to move switch 7 down which will give 100pF.

    MM cartridges can be very sensitive to capacitance
    malcolm ("You can't shine if you don't burn" - Kevin Ayers)

    If what I'm hearing is colouration, then bring on the whole rainbow

  4. #14
    Join Date: Mar 2017

    Location: South London UK

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    I'm Colin.

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    Thank you - I'll try that when I get back - Colin


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  5. #15
    Join Date: Mar 2017

    Location: South London UK

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    I'm Colin.

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    Just to confirm - sorry, do I try switching both "no 7" switches down? I presumed the panels are for left & right channels.


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  6. #16
    Join Date: Feb 2013

    Location: W Lothian

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    I'm Grant.

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    You should do both sides the same, yes.
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

  7. #17
    Join Date: Feb 2013

    Location: W Lothian

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    I'm Grant.

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    According to that pic you have 40 db set at moment
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

  8. #18
    Join Date: Mar 2017

    Location: South London UK

    Posts: 42
    I'm Colin.

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    Thank you - so I've just got to try switching no 7 down


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  9. #19
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 32,187
    I'm Grant.

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    In that pic it should go to left. Just one value on the other 2 off or to right. Same with resistance. 47k on other two off. Left is on and right is off
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

  10. #20
    Join Date: Mar 2017

    Location: South London UK

    Posts: 42
    I'm Colin.

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    Thanks


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