watchnerd
Grand Contributor
Quoted and excerpted from Audio Control tech paper 104
Do you think an Audio Control white paper / tech marketing piece qualifies as peer reviewed objective research?
Quoted and excerpted from Audio Control tech paper 104
I passively biamplify my Von Schweikert VR-4 Gen III HSE using ICEpower class D on the bottom end and 300b based PSETs on the top end. I use Rothwell Audio inline attenuators to level match the amplifiers. I may be introducing harmonics into my top end with the tube amplifiers but I like the sound. In the end, that's what matters.
Martin
The articles/papers you referenced are for active bi-amping, not passive. This is a clip from "tech-paper-104".Norman Crowhurst 's 1969 articles on the subject.
https://worldradiohistory.com/Archive-Radio-Electronics/60s/1969/Radio-Electronics-1969-03.pdf Page 32
https://worldradiohistory.com/Archive-Radio-Electronics/60s/1969/Radio-Electronics-1969-10.pdf page 42
https://www.audiocontrol.com/downloads/tech-papers/tech-paper-102.pdf
https://www.audiocontrol.com/downloads/tech-papers/tech-paper-104.pdf
https://www.semanticscholar.org/pap...f31cfcf971f3851851d801bc099be4274a30cf43?p2df
Quoted and excerpted from Audio Control tech paper 104
What is done in the speaker you showed is NOT biamping. Both amps run full range which is really stupid because you buy and pay for two amps and the power to run them, but thow out , for no good reason many of the advantages of actual biamping. It should be called something else.
To convert normal passive speakers into an actively crossovered system will require major surgeries to the speakers to remove the crossovers and add connections directly to the drivers. Then the active crossover system needs to be designed and optimized. The expertise required is well beyond the average consumer. Many also have their strong favorite speakers and aren't willing to have them modified. Unfortunately, some were led to believe, by spending more money on more amplifiers, they can get "significant" improvements by "passively bi-amping" their speakers.
I did not read the entire thread before my first post.
At Axpona 2019 I was dozing off in the Bryston suite when I heard a sforzando that you only hear in multi amped systems. It was triamped with Brystons and their crossover.
The more ways your system is the more improvement there will be by using multi amping.
This story is probably15 years old. I asked the VP marketing of an established speaker company why they offered dual binding posts. He admitted that bi-wiring was pointless but that they had implemented the dual binding posts because their dealers demanded them.The myth also continues to be given some whiff of cred by makers like Revel and Klipsch who continue to include multiple binding posts on some of their passive speakers.
"The myth also continues to be given some whiff of cred by makers like Revel and Klipsch who continue to include multiple binding posts on some of their passive speakers."
For FR and FL speakers I will only buy 3 ways units with dual binding.
Experience proved me that it sound better.
It is not the price of the dual binding that is an issue!
This story is probably15 years old. I asked the VP marketing of an established speaker company why they offered dual binding posts. He admitted that bi-wiring was pointless but that they had implemented the dual binding posts because their dealers demanded them.
Actually, I think it was just to sell extra speaker cable.Well, sure their dealers would.....it's the hook to sell the extra amp.
Actually, I think it was just to sell extra speaker cable.
As discussed in other forums, you need to bi-amp to isolate the back emf coming from the low frequency drivers.