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Suggestions for an "high sensitivity" 2.1 system build

LF78

Member
Joined
Oct 4, 2018
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Location
Italy
I listened to some high sensitivity / ribbon tweeter systems and fell in love with the sound, so now I would like to build one (to use it for music - not HT). I need some suggestions and/or criticism on the project below: target nominal sensitivity is around 98 dB before DSP and equalization (subwoofer excluded). Thanks in advance!



Source / active crossover / DSP / volume control:

I need at least 5 channels to implement active crossovers in my scenario (2 tweeters, 2 woofers, 1 subwoofer), so my beloved 2x4 HD is not enough.

Left & Right:
2-way sealed enclosure, tweeter crossed at about 2/3 kHz and woofer crossed at about 100 Hz.

Which one do you suggest, or are there any better options?

Which one do you suggest, or are there any better options?

Subwoofer:
  • Dayton Audio 15" Reference Series (4 Ohm)
I plan to put it in a sealed enclosure crossed at about 100 Hz, which version is it better in your opinion?
Or as usual, are there any better options?

Amplification:
  • Left & Right:
I need 2 stereo amplifiers here, which kind of wiring do you suggest?
  • 1 (less powerful) stereo amplifier connected to the 2 tweeters + 1 (more powerful) stereo amplifier connected to the 2 woofers.
  • 2 identical stereo amplifiers on the left and right channels, each one connected to the tweeter and the woofer
I really need some guidance here, class A/B or class D? Could you help me to shortlist some possible options? I would prefer bare amplifiers and/or amplifier modules without volume control, as it's not needed in my scenario.

Any better options?

 
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