For those good on maths a question. What would be the delay between two channels if I had 6 feet difference in speaker câble length delay wise and high frequency cancellation?Hope my question is clear!
For those good on maths a question. What would be the delay between two channels if I had 6 feet difference in speaker câble length delay wise and high frequency cancellation?Hope my question is clear!
speaker -cable- length difference?
something on the order of 6 nanoseconds.
-not- going to cause any audio cancellation by itself... more likely to cause aesthetic or OCD-type irritation...
speaker -distance- difference?
roughly 10 milliseconds.
delayed room signals (echoes) or bad driver phasing or even damage to some component (as possibilities) could be involved if you're using a mono test signal/noise/music and there's a cancellation when both speakers are on, but not when only one is playing.
I think i'm with the new boss here, lol (Grumpy) on this question, though not sure i understand correctly some of his writing.
Looking at the delay aspect from a different perspective than his, here's the thing. The Rolls Digital room/speaker Delay shown has as its shortest delay setting 32 milli seconds which is about equivalent to a 32 feet distance. My understanding is that if a smaller delay than 32ms or 32 ft was really significant in a room the manufacturer would probably have included even smaller delays?
In other words the delay or distance involved might not be large enough to warrant some action to remedy. Naturally i assume that speaker wires used are not undersized creating a resistance issue (level), likewise for a capacitance issue that may create some high frequency rolloff.
I have some high frequency cancellation stuff, from Eargle/Hoge, due to cable length, capacitance, resistance, etc but its more relevant to microphone cables than speaker cables.
Richard
POWERED BY: QSC, Ashly, Tascam, Rolls Mosfet, NAD, and Crest Audio
Thank for your answers! Yes my question was only about different speakers cable lenght. Assuming that I’m listening exactly at the center, only that there is a 6 feet longer for one side.
Boss… that’s funny.
Since the word cancellation was used, not loss or attenuation, I assumed the question was related to two or more sources being heard or measured at one location (this could include echoes from a single source). Not sure if that helps or hurts my feeble explanation of what could have been happening. Hope we helped the questioner
More like speed of light in a wire… roughly.
IIRC from my tech school days, electricity travels about 90% of the speed of light. That's about 165,000 miles per second or 871,000,000 feet per second (VERY rough numbers). If the long cable ran to the Moon and back that would be an audible three second delay. Even several feet would not induce an audible or likely not measurable delay.
I am certain that a Golden Ear somewhere would hear it, or at least claim to...
Aesthetically, though, it would bug the crap out of me to be even an inch off. Part of my enjoyment is how things look in addition to how they sound. When I make speaker cables I use pants, heat shrink, purdy cable sleeves that cover the word Belden a hundred times and even bright shiny spades that are electrically as effective as the cheapo crimp on ones at home depot.
"Zobel is as zobel does"
Don't worry about boss, was simply a little humour marking your introduction in a new role here as i understand it. Hopefully you'll still have some spare time, in between issues, to visit the crowd as you did here...
The OP's original title was "Speed of sound", later became "Speed of sound... in a wire" as i now see. I was lured by the speed of sound title hence the delay aspect shown, which btw didn't change the fact "I think i'm with the new boss".
The speed of light in a wire also crossed my mind since electricity in a wire isn't in itself speed of sound, but i didn't change my post (the carrots were already cooked).
Richard
POWERED BY: QSC, Ashly, Tascam, Rolls Mosfet, NAD, and Crest Audio
"marking your introduction in a new role here as i understand it"
New fearless leader? news to me ... (and not me).
I'm with Uncle Paul though... aesthetically, I want my speaker cables to be the same length.
It just feels better.
2ch: WiiM Pro; Topping E30 II DAC; Oppo, Acurus RL-11, Acurus A200, JBL Dynamics Project - Offline: L212-TwinStack, VonSchweikert VR-4
7: TIVO, Oppo BDP103D, B&K, 2pr UREI 809A, TF600, JBL B460
That story came from one person who claim that would be phase différence for on the side with 6 Moore feet longer! I told him no difference! But he continued to argue…So thanks guys for your answers and… humor!😁
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