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Pioneer S-ES3TB

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Post by kenwoo Tue Oct 14, 2014 1:45 pm

i bought this Pioneer speaker at RM499.00, any one used it before? is it worth at this price?

 Pioneer S-ES3TB S-es3tb-2isc-460

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Post by kenwoo Tue Oct 14, 2014 1:51 pm

what is different between 4Ω, 6Ω & 8Ω ?

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Post by elhefe Fri Oct 17, 2014 7:42 am

kenwoo,

Those are the impedance values.

_________________
Source(s)Kronos Sparta, Clearaudio Solutions AMG Wood, SONY MD, SONY HAP Z1 ES, HiFi ROSE RS150, ROON Nucleus, Aavik D280 DAC
AmplificationMcIntosh MA9000, SPL Audio Phono
SpeakersBorresen X3, PMC Twenty5 26i, PMC Twenty LCR, PMC Twenty Sub, ARCAM AVR20, JL Audio Sub, Ascendo Sub.


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Character sheet
Source(s): Kronos PRO, Clearaudio Solutions AMG Wood, SONY MD, SONY HAP Z1 ES, HiFi ROSE RS150, ROON Nucleus, Aavik D280 DAC
Amplification: McIntosh MA9000, SPL Audio Phono
Speakers: Borresen X3, PMC Twenty5 26i, PMC Twenty LCR, PMC Twenty Sub, ARCAM AVR20, JL Audio Sub, Ascendo Sub.

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Post by peter chan Fri Oct 17, 2014 3:56 pm

Hi Kenwoo,
Like El said those are impedance value of a speaker system.
Every speaker system has its "resistance"
to its connected amplifier.
The amplifier needs to overcome this "resistance"  or "load" so-called in order to produce the sound or music. 
This "resistance" in a speaker system varies / changes a bit as different frequencies being fed through the speaker system. 
And frequencies produce or make up the sound 
or music ya...
In electronic term, we use impedance to describe this variable "resistance".
An amplifier needs to "push" the speaker system
in order to make it "speak up".
So its easier for the amplifier to "push" a 4ohm
speaker system than an 8ohm one.
Because 8ohm is more "resistive" than 4ohm.  
Hope this helps... Very Happy

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Post by sph Fri Oct 17, 2014 4:55 pm

On the contrary, (correct me if I am wrong) I believe a 4ohm speaker puts  more load on an amplifier than a 8ohm speaker.
http://www.gizmag.com/how-to-choose-the-right-speakers-for-your-amplifier-or-av-receiver/9737/

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Post by peter chan Sun Oct 19, 2014 6:37 pm

Hi sph,
sometime I read this type of description too.
I used to see this word "load" as "risk" too.
It is true that a lower impedance speaker system draws more current from the amplifier
than a higher impedance system at a same
voltage.
So the amplifier connected to a lower impedance
speaker system is under a "risk" condition where
it need to handle a higher current passing tru it.
If the amplifier is not designed to handle big current well, it would be "killed" first.....
Of course I believe most of today amplifiers are
designed with certain degree of protection
features in this area.
Above is just my understanding,,,,,,
Enjoy your music and movie.....

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Post by kenwoo Mon Oct 20, 2014 9:38 pm

is it any quality issue with different impedance speaker?

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Post by peter chan Tue Oct 21, 2014 9:42 am

Hi kenwoo,
I don't think so there is any quality issue.
The main purpose is to have the speaker unit
(we used to call it as driver) to improve its 
sensitivity or sound pressure level (SPL) 
at a given power value (in term of watt 
and voltage).
And sensitivity / SPL is measured in db unit.
(like you measure length in cm)
Then what is sensitivity of a driver?
Well you may understand this term as
a relative-loudness of a driver  Very Happy.
Say example :
a designer has used all the same raw 
material to build two drivers except the 
voice-coil ; one with 4 ohm voice-coil 
and another with 8 ohm voice-coil.
So now he has one driver with 4 ohm 
impedance and another similar driver 
but with 8 ohm impedance.
Then the designer feeds a power of 
2.83 volt to the 4 ohm driver ; 
the SPL output from the driver could 
be say, 88 db.
Then same 2.83 volt is fed to the 8 ohm driver 
exactly under same measurement condition 
like in 4 ohm driver:
the SPL output from the 8 ohm driver would 
used to be lower then 88 db.
So here we used to say the 4 ohm driver is 
more sensitive than the 8 ohm driver.
A bit long winded but hope you could 
understand the above  Very Happy.
Just enjoy your music and movie...... Very Happy

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Post by kenwoo Wed Oct 22, 2014 4:19 pm

Thanks Peter for your info.... as you said   -- just enjoy music & movie..  Smile Smile Smile Smile

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Post by peter chan Fri Oct 24, 2014 9:51 pm

You are most welcome :-)

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