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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: Try 0.47uF V-CAP teflon or realcap TFT

My Heybrook HB-100 speakers also have main driver which is directly coupled to amplifier with simple high pass filter on the treble unit with only two capacitors. My Heybrook is little bigger, frequency response is 40Hz to 20 KHz, while your Reference 3A have 48 Hz to 20 KHz.
Also I believe that your speakers, because of mentioned direct coupled main driver, are very neutral, direct and transparent, so you will hear everything. I have also very hard time to make my speakers sound excellent and finally with very sophisticated pre and power amp they have some real magic in terms of speed, openness and dynamic.
Calculated cut-off at with 0.47 capacitors at 34 Hz, in the smaller room, with your speakers could bring some benefit because of yours speakers natural limitation in the deep bass.
From my personal experience I believe that you will have articulate bass without any problems after modification with V-CAP or Realcap TFT 0.47, 600V buffer capacitors.



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