Florin Andrei
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- Joined
- Feb 21, 2019
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- Thread Starter
- #21
- I assume you bought the L700 pads? Do you recommend them?
I have. I'm not sure.
Honestly, the original pads are not too bad. There is the question of the different measurements in the bass response with the different pads, but I can't speak with any confidence since I'm only testing with the L700 pads.
- What do you use for eq? I have ADI-2 DAC I could most likely use.
Equalizer APO. You can see some of the filters, and the whole frequency response curve, here:
For the corrections above 1 kHz, I use the lab measurements by oratory1990.
https://www.reddit.com/r/oratory1990/wiki/index
Below 100 Hz I am also guided by his measurements, but I deviate from his recommendations. My goal was to make Stax sound like Audeze below 100 Hz, and I've done it.
They have a slope of 12 dB / octave, descending into the low bass. With the original pads the slope begins at 74 Hz. With the L700 pads, the slope begins in the upper 40s.
The compensation for all that is the high-shelf filter with a 12 dB / octave slope in my screenshot - the one centered on 30 Hz. This works for the L700 pads. With the original pads you may have to push that frequency higher, but I have not tried that.
The first filter, high-pass at 10 Hz, is just there to avoid stressing the membrane too much if there's a lot of infrasound in the signal.
If you're only interested in fixing bass, then all you need is the stuff below 100 Hz.
- I have two amps at the moment for testing, the SRM-252S and SRM-353X limited. I have done a couple of tests with both and don't seem to hear any differences in sound. Which one would you recommend? Regarding listening volume, I seem to use the 252S between 9-10 o'clock levels, so that little thing seems to have enough power for me.
I've spent an afternoon comparing the 353X and the D10 and I could not hear any difference.
I am using the 353X now, but that's just because it has more power, and I need that extra power due to the very deep (20 dB) correction I've applied for bass.
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