The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Dynaco VTA tube amp kits, all products and all products



    Posts : 245
    Join date : 2015-02-09
    Age : 68
    Location : Folsom Pa.


    Post by bluemeanies on Sun May 14, 2017 12:16 pm

    I would like to know how many people here are using acoustics for their 2channel system.
    Whether it be homemade or purchased.
    What kind of acoustics...absorbers or diffusers or both...walls and ceiling.
    Location of your acoustics.

    Or do you think acoustics room treatment is voodoo.


    Posts : 111
    Join date : 2014-11-24
    Location : Western MA

    Re: Acoustics

    Post by pedrocols on Sun May 14, 2017 2:13 pm

    I do not have a dedicated listening room so I try to make the best of what I have. There are always going to be compromises to be made.  In my situation it did make a difference controlling the echo (it passed the clapping test) and it seems to play louder at low volumes.  I have magnepan speakers which are different from traditional box speakers.  I have DIY bass traps behind me and to the side wall and I am yet to try diffusers behind the speakers.
    Peter W.

    Posts : 796
    Join date : 2016-08-07
    Location : Melrose Park, PA

    Re: Acoustics

    Post by Peter W. on Sun May 14, 2017 3:48 pm

    I use speaker placement exclusively in my three major listening venues. I find using acoustical materials to be limiting, meaning that by using them, *those* speakers must be in *these* locations. My speakers are large Maggies, AR3A & AR M5s.

    Posts : 650
    Join date : 2013-03-19
    Location : It can get windy here

    Re: Acoustics

    Post by corndog71 on Sun May 14, 2017 9:24 pm

    ATS Acoustics. Relatively cheap, attractive, well made, and very effective.
    Tube Nube

    Posts : 684
    Join date : 2008-12-06
    Age : 54
    Location : Calgary, AB

    Re: Acoustics

    Post by Tube Nube on Thu May 18, 2017 1:53 pm

    I'm sure,that some of the things that we read on the net fall into the voodoo category. Like how sacrificing a chicken in your listening room, and dripping its blood around the room enhances stereo image. . .  Just kidding.

    There are many contradictions to be read, and it's not just my limited knowledge that accounts for it.

    My plan is to DIY up some panels using accoustic foam that Bob linked us to in a previous post. My plan is to place them on the side walls at tne point of early reflections in order to (hopefully) enhance the stereo image.

    I'll report,back here if I ever get this done.


    Posts : 335
    Join date : 2014-06-23

    Re: Acoustics

    Post by Dogstar on Thu May 18, 2017 5:45 pm

    I found these 'Harmonizers' a few years ago:

    Can one of you buy these and set them up in your listening room and let me know if these really work?


    Posts : 1993
    Join date : 2012-05-23
    Location : Wallace, Idaho

    Re: Acoustics

    Post by deepee99 on Fri May 19, 2017 7:04 am

    I have been forbidden by She Who Will Be Obeyed from doctoring up the walls or ceilings in any way, and given its hardwood floors, glass picture frames and windows we have a very "bright" house. (When you live in a mountain canyon, natural light is a precious commodity.)
    At one point I recall asking the Forum about what I thought was an over-bright tweeter with the foregoing limitations and Skizo suggested I "put a sock in it." Still working through his double-entendre. (Actually, as the tweeter aged it mellowed and it and I are both speaking in natural tones now.)
    Speaker placement, cant, toe-in/-out &etc. are highly underrated as a not-so-nuanced palliative, and is a game of inches. Labour-intensive, perhaps, but no need for trips to the hardware store or (God forbid!) visits from an interior decorator.

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    Re: Acoustics

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