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Thread: CBM-170SE as rear surround speakers with Sierra-1's in front?

  1. #1
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    Default CBM-170SE as rear surround speakers with Sierra-1's in front?

    Appreciate input on how good a sound match would result by adding a pair of CBM-170SE as rears in home theater surround system with my current Sierra-1's (orig) in front along with subwoofer. Thanks!

  2. #2
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by BarryG View Post
    Appreciate input on how good a sound match would result by adding a pair of CBM-170SE as rears in home theater surround system with my current Sierra-1's (orig) in front along with subwoofer. Thanks!
    Hi BarryG,

    I had this same set-up - LCR Sierra 1s, CBM-170SE as rear surrounds, and a subwoofer - for several years. In my experience, the CBM-170SE are very good speakers in this arrangement. I did use my NAD AVR's Dirac Live to make phase, distance and level adjustments, but I would have done so even if I had used two more Sierra-1s as surround speakers. Later I added a Sierra Horizon with RAAL and it still sounded great in combination with the Sierra-1 LR and the CBM-170s.

    In short, no need to worry about matching - it would sound great.
    Speakers: EXv2 (mains), Horizon w/RAAL, Sierra-1 (surrounds), SVS SB 2000 Pro (x2)
    Source: MacBook Pro with Audirvana Studio
    DAC: Schiit Gugnir
    Preamp: Parasound Halo P6
    Amp: Buckeye 2-Channel Purifi ET400A
    AVR: NAD T-753v3i
    Cables: Blue Jeans XLR

  3. #3
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by BarryG View Post
    Appreciate input on how good a sound match would result by adding a pair of CBM-170SE as rears in home theater surround system with my current Sierra-1's (orig) in front along with subwoofer. Thanks!
    Sound match is excellent, you can go with either our CBM-170's or our HTM-200's as surrounds. For nearly a decade, this was our most popular system (Sierra-1 fronts + 170 surrounds)

    Hope this helps and please feel free to reach out directly.
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    Good Sound To You!

    David Fabrikant
    www.ascendacoustics.com

  4. #4
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Is there a good wall mount bracket that I can screw into a single vertical wall stud and has a horizontal arm that I can screw into the threaded inserts on the back of the CBM-170SE?

    The best I can come up with is something like this: https://www.amazon.com/DAGCUXIN-Univ.../dp/B0B6JQNJ6S - I would then fashion a horizontal mounting arm from 1.5in x 1/8" thick aluminum flat bar stock and screw it to the CBM-170SE threaded inserts and to the wall mount. Comments?

    (I am assuming there are two threaded inserts oriented horizontally on the back of the CBM-170SE)
    Last edited by BarryG; 07-17-2023 at 06:47 AM.

  5. #5
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by BarryG View Post
    Is there a good wall mount bracket that I can screw into a single vertical wall stud and has a horizontal arm that I can screw into the threaded inserts on the back of the CBM-170SE?

    The best I can come up with is something like this: https://www.amazon.com/DAGCUXIN-Univ.../dp/B0B6JQNJ6S - I would then fashion a horizontal mounting arm from 1.5in x 1/8" thick aluminum flat bar stock and screw it to the CBM-170SE threaded inserts and to the wall mount. Comments?

    (I am assuming there are two threaded inserts oriented horizontally on the back of the CBM-170SE)
    Hi Barry,

    The mount you linked to is actually the exact mount we recommend for both our 170's and 200's

    The latest version of the 170SE cabinet has a single threaded insert on the back:

    170SE_lt_bk_hr.jpg
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    Good Sound To You!

    David Fabrikant
    www.ascendacoustics.com

  6. #6
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    I am getting the 170SEs as rear surrounds … and the posted mounts are no longer available ?

    Any other recommendations ?

    For total system, I have settled on 340 SE fronts and 170 SEs rears with a TBD sub.

    Speaking of … I am getting the tower stands for the front left/right … and good recommendations for the front center horizontally positioned 340 SE.

    I am building out a 13x16 old school den ( not media room) … and going against the grain by deciding against a 120” projector and getting a 98” or 100” TV … as the room will be used more like an everyday gathering place with bright lights often ((daily TV, daily sports and night movies) vs a dedicated light controlled media room used primarily for movies and sports (been there done that as well.)

    And I decided against the UST projectors as well … having had a projector … I don’t think I would enjoy the always immersive experience of a 120” screen … for all viewing activities !!!!

    All that said …. I think I will have 5.1 channels of audio covered well … and eventually I will add 2 in ceiling speakers.

  7. #7
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by rperry96 View Post
    the posted mounts are no longer available ? Any other recommendations ?
    I think these are the same mounts: https://www.amazon.com/gp/product/B09QJZWPQW

    fwiw, I like the mounts but the included molly bolts were garbage and I provided my own
    Last edited by BarryG; 02-27-2024 at 07:09 AM.

  8. #8
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by BarryG View Post
    I think these are the same mounts: https://www.amazon.com/gp/product/B09QJZWPQW

    fwiw, I like the mounts but the included molly bolts were garbage and I provided my own
    Yes, these are the exact same wall mounts.
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    Good Sound To You!

    David Fabrikant
    www.ascendacoustics.com

  9. #9
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    Quote Originally Posted by davef View Post
    Yes, these are the exact same wall mounts.
    Thanks … I just placed my order for these.

  10. #10
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    Nov 2006
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    Default Re: CBM-170SE as rear surround speakers with Sierra-1's in front?

    This will sound awesome. I've used this exact system.

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