Hypex Ncore

[mike_mcf]

The impedance the amplifier sees is halved when bridging, that you need to consider as well.

I don't understand.

1. the amplifier "sees" half the impedance from the speakers (ie. 4 ohm speakers become 2 ohm)
2. or do you mean the preamp sees half the impedance from the amp (ie. the 100K input impedance becomes becomes 50K)

 

[Julf]

is bridged better than bi-amping?

No, just different

If you have two or more amps, the best way to use them is to replace the passive crossover in the speakers with an active one, and drive each speaker element with it's own amp.

 

[Julf]

One theoretical pro for bridging is that noise from the power supply is cancelled out, if the same PS is used for the two bridged amplifiers.

Indeed, and that makes sense with an unregulated ("linear") power supply. Not sure it makes any difference with a high-quality SMPS.

 

[OllBoll]

I do not know. Depends on the context I guess.

One theoretical pro for bridging is that noise from the power supply is cancelled out, if the same PS is used for the two bridged amplifiers.

Some theoretical pros for bi-amping is higher damping factor, and that lower impedance speakers can be used.

Isn't the power supply noise already cancelled due to smart designing of the amp? I think it was described a while ago when the discussion was SMPS vs linear PSU and some people more knowledgeable than me discussed that.

 

[Rajapruk]

Was that a level-matched, controlled dual-blind ABX comparison?

No.

 

[turbogti]

hmm, interesting. Let's say I have a linear for the nCore, bi-amping should give me more performance than bridging?

 

[Rajapruk]

hmm, interesting. Let's say I have a linear for the nCore, bi-amping should give me more performance than bridging?

You dont know until you try, and then please tell us your experience!

 

[Julf]

hmm, interesting. Let's say I have a linear for the nCore, bi-amping should give me more performance than bridging?

More performance as in "more power" or "better sound quality"?

 

[Rajapruk]

Isn't the power supply noise already cancelled due to smart designing of the amp? I think it was described a while ago when the discussion was SMPS vs linear PSU and some people more knowledgeable than me discussed that.

Maybe. Maybe not.

 

[Rajapruk]

I don't understand.

1. the amplifier "sees" half the impedance from the speakers (ie. 4 ohm speakers become 2 ohm)
2. or do you mean the preamp sees half the impedance from the amp (ie. the 100K input impedance becomes becomes 50K)

1.

 

[Julf]

You dont know until you try, and then please tell us your experience!

Well, even if you try, unless you do it under proper, controlled conditions, you won't actually know.

 

[Julf]

Maybe. Maybe not.

Please tell us more

 

[Julf]

Was that a level-matched, controlled dual-blind ABX comparison?

No.

Fair enough, but in that case I think it would be fair to qualify any recommendations with "this is based on personal, subjective and unverified impressions. Your mileage might vary".

 

[Rajapruk]

Fair enough, but in that case I think it would be fair to qualify any recommendations with "this is based on personal, subjective and unverified impressions. Your mileage might vary".

Did I post recommendations? I did not know that, and it was not my intention.

 

[Julf]

Did I post recommendations? I did not know that, and it was not my intention.

You are right - I was probably too hast in reading your comment "We have compared my bridge ones against my friends standard build. He is now going bridged as well." as a recommendation. My apologies.

 

[Rajapruk]

My friend was pretty sure beforehand that bridging would not be worth it. That was what his theoretical knowledge told him. Then he experienced the opposite when we tested it. He was surprised.

 

[Julf]

My friend was pretty sure beforehand that bridging would not be worth it. That was what his theoretical knowledge told him. Then he experienced the opposite when we tested it. He was surprised.

Sure, but is there a possibility that the bridged version was louder? In a blind listening test I did, people preferred a lower bitrate, lesser bit depth sample just because it was 1 dB louder than the others.

 

[Rajapruk]

Sure, but is there a possibility that the bridged version was louder? In a blind listening test I did, people preferred a lower bitrate, lesser bit depth sample just because it was 1 dB louder than the others.

Yes, off course. I think you made your point absurdely clear by now

 

[Juhleren]

Sure, but is there a possibility that the bridged version was louder? In a blind listening test I did, people preferred a lower bitrate, lesser bit depth sample just because it was 1 dB louder than the others.

How is the above anymore factual than: "we compared my A and his B - then he also did A"?

Julf, I think it is better that you assume all reported listening impressions to be "subjective truths" unless otherwise stated and stop endlessly asking the same question...

If anything else is stated THEN caution is advised

cheers,

 

[Julf]

How is the above anymore factual than: "we compared my A and his B - then he also did A"?

Maybe not more factual, but definitely more objective and reproducible.

Julf, I think it is better that you assume all reported listening impressions to be "subjective truths" unless otherwise stated and stop endlessly asking the same question...

Sure - point taken. Just hoping we could finally have some actual facts instead of opinions...