If you're interested in a TAS amplifier, you could have a look at the Zoudio ZOUDIO AIO4CH: 4-channel amplifier with DSP and Bluetooth
It comes with BT, but can be adapted for I2S input. Has integral DSP for 2-way xover and 4 channels output, with adequate power levels for low level listening, particularly with efficient drivers.
Mmmmm - whole chain is digital. Has a volume control and the max output can be limited by software setup, I believe.
very interesting product, thanks ! but there is only analog or wireless input, no I2S or USB input ...
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TAS amps looked good, but I have search for more info about rapsberry and I2S output and it seems I2S is not so easy implement. Easier way would be mini DSP 2x4 HD into pair of A-B amps as mentioned before. Not so high-tech solution, but probably more safe and easier to implement. And it has advantage that amp's input can be attenued to desired max volume and there is no need to use such big range of digital volume control, so there will be less losed bits.
Yes, digital volume controls seem to do that when you turn them down. Further, with analogue amplifiers a proper closed-loop structure is also possible, while most digital amps (not class-D amps) are open-loop implementations.
Alternatively you could use a low-gain amplifier with no attenuation applied to its inputs, or also use an amplifier with a digitally controlled gain (not attenuation).
Alternatively you could use a low-gain amplifier with no attenuation applied to its inputs, or also use an amplifier with a digitally controlled gain (not attenuation).
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Thank you but why this speaker ? Bass seems to fall down from 70-80Hz, instead some "loudness" needed for low volume correction.
I like idea to use miniDSP 2-4 HD, so it implies 2-way construction. But maybe combination xover can be solution of 3-way speakers ? I mean miniDSP for bass and than passive xover for mids and higs ? But question is if 3-way is better than 2-way for nearfield ?
I like idea to use miniDSP 2-4 HD, so it implies 2-way construction. But maybe combination xover can be solution of 3-way speakers ? I mean miniDSP for bass and than passive xover for mids and higs ? But question is if 3-way is better than 2-way for nearfield ?
Yesterday I found interesting commercial speakers - Nubert X-3000/X-4000 RC.
Many inputs including USB, wired & wireless options. Very positive reviews and suprising parameters (38Hz/-3dB from smaller 6" model).
There are some questions (USB mode, volume control, link to slave speaker) and they are rather expensive, but it can be safe bet and no need to DIY.
Many inputs including USB, wired & wireless options. Very positive reviews and suprising parameters (38Hz/-3dB from smaller 6" model).
There are some questions (USB mode, volume control, link to slave speaker) and they are rather expensive, but it can be safe bet and no need to DIY.
Get some of your favourite tracks and get to an audition to find out if you like how they sound in person. Remember, it's your opinion that matters.
EDIT: That session would also be a great place to present all your questions. So note them down so that you don't miss any. You could still find your DIY satisfaction by building something else, or from other things such as room treatment etc.
All the best.
EDIT: That session would also be a great place to present all your questions. So note them down so that you don't miss any. You could still find your DIY satisfaction by building something else, or from other things such as room treatment etc.
All the best.
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Logical advice but It's not possible - only way to get them is direct buy from producer in Germany. No seller in Czech republic. Not mentioned lockdown ... It's a common problem how to test and compare hifi gear ... 99% things is not possible to test side by side. Shops/studios are very different. Home enviroment is usually totally different. And I need log time to really find if sound is OK, it's easy to be fooled, problems can be revealed after longer time ..
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Well, in that case it's best to hold it for a while. Do sanitise your parcels (and get rid of any plastic wrapping / lamination) if you decide to purchase anything, as they are usually handled by a hundred people before they reach you.
What's the second hand market like where you are?
Some second hand active monitors might be good? Most have adjustable eq to suit your preferences too.
Some second hand active monitors might be good? Most have adjustable eq to suit your preferences too.
Second hand market is very limited here. I know sometimes it can be a way how to get expensive products for half price, but I prefer new things.
There are sooooo many ways you could go at this but here's another option.
10F/8424 & RS225-8 FAST / WAW Ref Monitor
If you were trying to not spend a fortune this might be the route I'd investigate, wide range with woofer.
If you have money to burn then maybe the Calpamos from humble.
10F/8424 & RS225-8 FAST / WAW Ref Monitor
If you were trying to not spend a fortune this might be the route I'd investigate, wide range with woofer.
If you have money to burn then maybe the Calpamos from humble.
I suggest you reconsider Ewollowe's idea, as 'second hand' doesn't always mean 'less worthy'. Many studios and cinemas get rid of fully functional units simply to upgrade to newer models and sometimes, you might just get lucky, who knows?
For late night listening i love my BetsyK in tqwt box. Sweet spot is not wide, but from bed lying position ,in the dark , it is relexed detaild and full sound .So, maybe a good 8" fullranger is one of good answers...
Right, the pioneers determined an 8" [755A] was best overall for the AM, FM telephone and critical BW of a 75 pc. orchestra, but broke it up into three separate bands, yet one piece diaphragm [triplex] to keep it a coherent point source, so not easy for a DIYer to replicate except by adding a woofer, tweeter to a wide range 8".