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Speaker stand height



I have a pair of PSB Stratus Minis on their factory 25" stands, but these seem too tall for my room/listening position. My listening chair is somewhat low and laid back and this i do not want to change. So I was thinking of buying lower stands so that the speakers are closer to my ear but am worried about messing up the overal tonal balance of my PSB's. Should i Be worried about the sound changing too much with lower stands, or will it simply give me more bass and a more direct sound?

btw iv'e experimented with putting these speakers on 10" concrete blocks, with a title to compensate for the height, and this seemed to make the sound much fuller. This was many years ago though and my memory could be fooling me.
dave123456
lewhite
156 posts
 
A twenty five pound bag of lead shot weigh pretty close to a twenty five pound bag of copper coated steel BBs but the BBs are a lot more volumnous. Then add floor leveling powder from home center. Now thing will weigh 55lb. ugg
dave123456 OP
51 posts
 

Is leveling powder heavier than kitty litter? I filled up my stands about 1/3 with 18,000 steel bb's in each stand, and then used kitty litter for the rest. This still doesnt seem heavy enough for me and was thinking of switching out the litter for something else.
lewhite
156 posts
 
Kitty litter is a kind of open absorbant clay for obvious reasons. The floor leveling that I'm thinking of is pretty dense. Kinda reminds me of finely divided flint rock.
inpieces's avatar
inpieces
199 posts
 
Why don't you ask PSB how they are ment to be leveled, if you feel uncertain?
PMC for example, says tweeter should be over ear level and mid in ear level. Barefoot says tweeter should be in level with ear. My former MA PL 300 sounded pretty different if i changed level at them. Point speakers towards ceiling, well, you get reflections from ceiling to. Damping a ceiling often tend to make a calmer more mild frequency response.
I would go for the copper sand. Entreq build many devices for vibration control and they often use "copper sand".
transaudio
96 posts
 
You must know where the acoustic center of your speaker is. It may be the tweeter in the 2 way, or the midrange in a three way. This should be the ear height level.

Then the distance between speakers should be the distance to your ears-an equilateral triangle. A nice long metal tape measure work great for this.

Mass is your friend in stands; hollow metal or wood can ring a lot, adding its own a resonant frequency to the speaker output. Knock on the stand with your knuckle and hear if it rings. If yes, dump it. Try concrete blocks if you don't have anything else and hear the difference.

Brad
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