Dynamic Range 20-20K

[Anglofun]

Yes, you can also do that with REW, by measuring things like impulse response, but on the hardware side, you can look at the slew rate specs. Slew rate of modern electronics is generally a solved issue though.

Here's an easy to read an old article on Slew rate by Steve Munz of Audioholics.com, it included an Editorial by an Electronics Designer for Classe :

Slew Rate in Audio Amplifiers - What Does it Mean?

With the Classe gear you are using, I highly doubt you have to worry about "the speed in which it takes to get there", you just have to make sure your amps have more than enough voltage and current your speakers need to get your the maximum SPL you need at you seats without clipping, or excessively high distortions+noise.

Much appreciated, I am on this as soon as I can.

 

[Anglofun]

Don't worry about speed unless the distance between the speakers and listener(s) is very large and even then, it would only matter for eliminating delays between multiple speaker cabinets, as in, a large venue show. In a room, the best way to see how well the output from all drivers is aligned in using impulse tests or wit pink niose, REW or some other accurate spectrum analysis, showing phase cancelations as deep dips in the response where the response at the crossover frequencies coincides.

I meant the time it takes (slew rate) for each driver to reach its dynamic capabilities.

 

[lovinthehd]

I meant the time it takes (slew rate) for each driver to reach its dynamic capabilities.

You're still misusing the dynamics term it seems.

 

[MrBoat]

I don't know if you are speaking in general but for me I am chasing anything nor looking for problems. I am on a discussion forum, so I am just discussing. Been on and off forums for the last 25 years.

Wasn't aimed at you, particularly. It's just something I see being mentioned a lot as if it's a quality really difficult to achieve. I just haven't been able to match the condition, myself. Someone else told me that it's because my systems probably suck so I can't possibly know what they are talking about. Just spent around 5 hrs with a pair of largish 3-ways with an FR of 35-20khz and nothing is missing from the performance and this from a relatively old, budget design, a class D amp, budget diy streamer and DAC board in a rather haphazard garage system where I am sitting no more than 4 ft from the speakers.

If I am finding things better than others with the same recordings on different systems, the reasons are typically obvious as to why, and not unexpected and at least well within EQ range. Still, none of these differences are at the cost of dynamic range, or imaging, for that matter. The only time I tend to have any sort of lacking with dynamic range, is when trying to get by without ample headroom, like trying to use difficult to drive speakers with just enough power.

The only other time I have thought about dynamic range, is when using speakers that are too powerful for the space, played too softly, as well as speakers too small for a space, played too loudly.

 

[highfigh]

I meant the time it takes (slew rate) for each driver to reach its dynamic capabilities.

What are the units used for amplifier slew rate? I'll answer- Volts/microsecond. Do you honestly believe that you can hear any different between a common number of 50V/uS and 1V/uS? Audible sound goes to about 20KHz- if 1 microsecond = 1 cycle, it would mean that the frequency is 1 billion Hz.

Slew rate applies to amplifiers and the signal has no real mass- speakers do and they move. Slew rate is nothing that needs to be considered and you have been misled by people who talk about 'fast woofers'. Mids and tweeters are already much faster and most attempts to make them faster have caused the sound to suffer. Dynamic speakers are lightweight by design and the voice coil & magnet form a motor that's easily able to move the cone assembly without problems. They do have an upper frequency limit, so we use smaller drivers for higher frequencies.

How loud do you want the sound? Speaker sensitivity and ability to dissipate heat limit output as much as anything- once the voice coil's temperature rises, its resistance follows and eventually, thermal compression occurs. The only way to counter that is by increasing power (Voltage) and that immediately increases the VC's temperature until it fails.

 

[Anglofun]

Wasn't aimed at you, particularly. It's just something I see being mentioned a lot as if it's a quality really difficult to achieve. I just haven't been able to match the condition, myself. Someone else told me that it's because my systems probably suck so I can't possibly know what they are talking about. Just spent around 5 hrs with a pair of largish 3-ways with an FR of 35-20khz and nothing is missing from the performance and this from a relatively old, budget design, a class D amp, budget diy streamer and DAC board in a rather haphazard garage system where I am sitting no more than 4 ft from the speakers.

If I am finding things better than others with the same recordings on different systems, the reasons are typically obvious as to why, and not unexpected and at least well within EQ range. Still, none of these differences are at the cost of dynamic range, or imaging, for that matter. The only time I tend to have any sort of lacking with dynamic range, is when trying to get by without ample headroom, like trying to use difficult to drive speakers with just enough power.

The only other time I have thought about dynamic range, is when using speakers that are too powerful for the space, played too softly, as well as speakers too small for a space, played too loudly.

All good! I have, however, read and reread your post and I can't get there. I don't get where you are going or saying.

 

[Anglofun]

What are the units used for amplifier slew rate? I'll answer- Volts/microsecond. Do you honestly believe that you can hear any different between a common number of 50V/uS and 1V/uS? Audible sound goes to about 20KHz- if 1 microsecond = 1 cycle, it would mean that the frequency is 1 billion Hz.

Slew rate applies to amplifiers and the signal has no real mass- speakers do and they move. Slew rate is nothing that needs to be considered and you have been misled by people who talk about 'fast woofers'. Mids and tweeters are already much faster and most attempts to make them faster have caused the sound to suffer. Dynamic speakers are lightweight by design and the voice coil & magnet form a motor that's easily able to move the cone assembly without problems. They do have an upper frequency limit, so we use smaller drivers for higher frequencies.

How loud do you want the sound? Speaker sensitivity and ability to dissipate heat limit output as much as anything- once the voice coil's temperature rises, its resistance follows and eventually, thermal compression occurs. The only way to counter that is by increasing power (Voltage) and that immediately increases the VC's temperature until it fails.

Having been on forums of all kinds over the last 20 years, this conversation has been beaten to the point that the dead horse is now flatter than pancake.

Drivers do respond differently. Low efficient, high efficient, different materials, all that. All I am trying to do is get the same momentum of macro dynamics in the bottom end as I do above 150HZ.

To put it into better context, A LOWTHER driver ( ignoring its faults) in a read loaded horn configuration is dynamic (to my ear) from 80 hz - 15K. Easily, effortlessly.

Although I have a 4 way system and will never achieve the coherence of a single driver, I find my system to be very coherent. not LOWTHER coherent but very decent. Now all I am trying to do, is get a linear dynamic range from the bottom up instead of 150HZ and up. I am not so far off my goals I think.

MY OB's are cut this way

(SVS PB 2000 Pro) 17 HZ to 35 @ 24db per octave.
Supravox Rolls of naturally due to the baffle and its FS is 23hz but due to the size of my baffle that isn't happening. It cuts off at 150hz. Then the EV comes into play all the way to 3K, tweeter above.