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  1. #1

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    Question Ignorant about tubes

    Can I get some tube edjumacation from you guys? I bought a Soundstage Vacuum 2 preamp from our very own Gator3000, which arrived yesterday. I hooked it up this evening to my LSi15's, Adcom GFA 545 II, and cheapo Denon CD player. The mids and highs are very clear and crisp but there is almost no bass. Previously I was using my old Denon AVR 1801 as a pre and I had it flat, so it's not like I'm used to having the bass cranked up. I've never owned any tube gear before and am totally ignorant. This pre came with JAN 6922 x 2 Philips NOS/NIB (6/86). My Adcom is being used by both the Denon (for movies, TV, phono) and the Soundstage (obviously not simultaneously), so I've got a pair of Y splitters on the inputs for the amp. Is there something I'm missing?

    Josh
    "I got into the music business thinking it was really radical, that it wasn't really a business at all, that it was a lot of people being artistic and creative. Not true, and it made me very depressed."

    Thom Yorke of Radiohead

    SOPA. Bow down before me, bitches. Want a cookie?


    Polk Audio LSi15
    Polk Audio LSiC
    Polk Audio FXi30
    Samsung LN-T4061F 40" 1080P LCD HDTV
    Sony Playstation 3
    Outlaw Model 990 Pre/Pro
    Rotel 985 MK II
    Rotel 1072 CDP
    Soundstage Vacuum II tube pre

  2. #2

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    Default

    Are you still getting the same bass from your AVR hooked through the Y?

  3. #3

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    Leave the preamp on overnight, and see if it's any better. The tubes may literally be brand new (along with the coupling caps, etc etc).

    Let them form and break in for a few hours.
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.

  4. #4

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    If Russ' rec doesn't help, get with me. I have a plethora of killer NOS 6922/6DJ8 variants from Amperex, Mullard, Siemans, etc. I'll make you a good deal on a pair or two, so you can try some different tubes to see if you can get the bass you need.

    But for sure, let the pre warm up for a while and run a signal to it, at low volume, to let the tubes break in nicely.
    "SOME PEOPLE CALL ME MAURICE,
    CAUSE I SPEAK OF THE POMPITIOUS OF LOVE"

  5. #5

    Member Sales Rating: (6)

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    I guess I just needed to be patient. The more the tubes break in, the more bass there is.

    ND13, thanks for the offer. I'll probably take you up on that soon.
    "I got into the music business thinking it was really radical, that it wasn't really a business at all, that it was a lot of people being artistic and creative. Not true, and it made me very depressed."

    Thom Yorke of Radiohead

    SOPA. Bow down before me, bitches. Want a cookie?


    Polk Audio LSi15
    Polk Audio LSiC
    Polk Audio FXi30
    Samsung LN-T4061F 40" 1080P LCD HDTV
    Sony Playstation 3
    Outlaw Model 990 Pre/Pro
    Rotel 985 MK II
    Rotel 1072 CDP
    Soundstage Vacuum II tube pre

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