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i need the solution for this plz,i'm kinda lost .
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Deranger
IsraTrance Junior Member
Started Topics :
36
Posts :
214
Posted : Mar 5, 2010 00:24:39
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i have a pair of dynaudio bm6a , on the back they have +4/-10 dbm button i can choose , i heard that +4 is for professional use and should make a higher volume , instaed i hear it louder when it's on -10dbm , what could be the problem ?
i got presonus firebox sound card if it matters. |
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orange
Fat Data
Started Topics :
154
Posts :
3918
Posted : Mar 5, 2010 02:23
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Dennis the menace
DevilsDennis Sparris McHilton
Started Topics :
128
Posts :
2899
Posted : Mar 6, 2010 07:29
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Quote:
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On 2010-03-05 00:24:39, Deranger wrote:
i have a pair of dynaudio bm6a , on the back they have +4/-10 dbm button i can choose , i heard that +4 is for professional use and should make a higher volume , instaed i hear it louder when it's on -10dbm , what could be the problem ?
i got presonus firebox sound card if it matters.
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Quote:
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-10 consumer gear
+4 professional gear meant to drive signals over long distances with minimal signal degradation...Like the signals sent over a snake hundreds of feet from the mixer to the amps racks. A balanced signal then is a pair of signal wires inside of a shield for noise rejection.
Typical -10 applications.
1.Home theater
2.Consumer level DJ and Karaoke systems with RCA in/outs and some 1/4" unbalanced connections
3.Home stereo systems
Typical -10 operation is said to be "single ended" or unbalanced, look at it this way...there are 2 streams... only one is flowing...
Typical +4 operation is said to be "double ended, or balanced, 2 streams ... both flowing..
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Deranger
IsraTrance Junior Member
Started Topics :
36
Posts :
214
Posted : Mar 6, 2010 10:50
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how can i check if my cables are balanced or unbalanced?
same thing about my presonus firebox output to the monitor. |
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Eleusene
Started Topics :
4
Posts :
117
Posted : Mar 6, 2010 11:36
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3 pin XLR connectors are usually used for balanced signals.
On a 1/4" jack cable it is usually balanced when there are 2 black rings on the jack (stereo jack). If there's only one black ring its unbalanced. (mono jack)
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Deranger
IsraTrance Junior Member
Started Topics :
36
Posts :
214
Posted : Mar 6, 2010 12:51
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alright , it's balanced .
thx  |
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Fragletrollet
Fragletrollet
Started Topics :
111
Posts :
1748
Posted : Mar 6, 2010 14:44
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Psynaesthesian
IsraTrance Junior Member
Started Topics :
30
Posts :
557
Posted : Mar 7, 2010 12:17
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so ..... the monitor setting should be based on the connection/cable type (that is balanced / unbalanced) and not on the purpose of use??
 "... b'om ..." |
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PoM
IsraTrance Full Member
Started Topics :
162
Posts :
8087
Posted : Mar 8, 2010 19:04
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i m not sure if i m right but if it s louder at -10 it s cause your soundcard ouput are set to -10 too , with - 10 output from your soundcard you can use -10 or + 4 on the monitors, as you want.+4 to +4 you can get better noise floor but its not a issu for monitors and +4 to -10 it can clip more easily and should be avoided. correct me if i m wrong as i m not sure about all that, just what i noticed |
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Nostrazuma
Started Topics :
0
Posts :
59
Posted : Mar 9, 2010 20:48
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no.. monitor settings should not be based on cable type...
pom might be in the right direction.. weird situation still..
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Nostrazuma
Started Topics :
0
Posts :
59
Posted : Mar 9, 2010 21:25
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that was a lie.. excuse us... |
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Crying Orc Project
IsraTrance Junior Member
Started Topics :
26
Posts :
229
Posted : Mar 20, 2010 10:28
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it's probablly beacuse in your sound card it's on -10 out, and not on +4.
and be carefull couse if it's on -10 on your sound card and u plug a balance cable, u can burn your monitors !!!
so check your sound card settings first. |
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Spindrift
Spindrift
Started Topics :
33
Posts :
1560
Posted : Mar 20, 2010 14:31
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At +4 dBu it's expecting a signal strength of .775 volt, and at -10 dBV a signal strength of .316 volt.
But obviously you still want the signal strength to be the same when using the amp, regardless of what connection you used.
The switch is used to set input sensitivity so that you do not get half the volume when using a -10 dBV connection or distorted sound when using a +4 dBu connection.
So at -10 dBV you have a more sensitive input to feed the amplifier with a signal that is strong enough, meaning a louder sound compared to the +4 dBu input.
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PoM
IsraTrance Full Member
Started Topics :
162
Posts :
8087
Posted : Mar 20, 2010 18:36
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does it means some signal degradation could happen and resulting in a less good sound? (going from -10 output to +4 input for example,i use that to not lower too much my volume control) |
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Spindrift
Spindrift
Started Topics :
33
Posts :
1560
Posted : Mar 20, 2010 21:17
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I think it would be better to control volume to the amp with an analogue fader/pot instead of using a less sensitive input, but I doubt changing the input sensitivity instead would create much degradation.
Going from +4 dBu to -10 dBV you have to watch out for distortion though.
(``·.¸(``·.¸(``·.¸¸.·`´)¸.·`´)¸.·`´)
« .....www.ResonantEarth.com..... »
(¸.·`´(¸.·`´(¸.·`´``·.¸)``·.¸)``·.¸)
http://www.myspace.com/spindriftsounds
http://www.myspace.com/resonantearth |
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