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Horizontal vs Vertical biamping

Hi all. I am looking for some feedback. I am horizontally biamping 2 Rogue ST 100 amps. I am using DS 2 preamp, Aurender N10, Yggy LIM Dac, Legacy Signature SE speakers. It sounds really good. I have tried vertical biamping with this setup thinking it would sound even better. I have read that it would but in reality it does not sound as good. A bit thin and unresolving I would say. Anyone care to weigh in on why this would be? Thanks in advance. 

backdoor
backdoor OP
107 posts
 

Spenav No worries and thank you for your input. I will see what I can learn about active xover systems. 

alan60's avatar
alan60
185 posts
 

I tried vertical bi-amping once and smashed the valves on the bottom power amp.😂

jasonbourne52's avatar
jasonbourne52
2,863 posts
 

@ieales +1 an active crossover plus DSP is the best!

knotscott's avatar
knotscott
965 posts
 

In theory, vertical bi-amping will give better left-right separation.  There are lots of variables, and preference is always subjective, so it's hard to give an explanation why you prefer the horizontal configuration.  Did you try any tube rolling?

ieales's avatar
ieales
1,201 posts
 

When multi-amping with active XO, you  M U S T  remove the passive XO components from the speakers.

 

Regarding deltas between horizontal and vertical, there are multiple possible combinations of amp channels and speaker drivers in each configuration. The tube combinations of 2x ST100 are astronomical. Adding in OPT, driver and passive XO part tolerances, there are enough combinations to have a different system every day for the rest of time.

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