The RAAL Requisite 1995 Immanis ranks #82 out of 517 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
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#82 RAAL Requisite 1995 Immanis: $10200.00 Bloom Audio $10200.00 eBay
Pros: A flagship open back with three true ribbon drivers at about $10200 and a preference score of 86. Bass extends to 20 Hz without boom, and treble above 5 kHz averages close to target.
Cons: Dips of about 5 dB near 1.9 to 2 kHz and a 9.0 dB dip near 9.4 kHz followed by a 7.2 dB peak near 11.2 kHz make the upper range uneven. It needs the included interface plus a powerful amp, weighs 626 g, and the score rests on a single measurement. See headphone amps and DACs with enough power to drive it.
Is the RAAL Requisite 1995 Immanis right for you?
Buy it if
- you want the tuning most listeners prefer in blind tests out of the box (Harman score 86).
Skip it if
- you want more bass (about 3 dB below target).
- you need isolation or will use it in public: open-back headphones leak sound both ways.
- you want the best value: the higher-rated Dan Clark Audio E3 costs about $7,901 less.
| Released | Feb 2024 (2 years ago) |
|---|---|
| Back | Open |
| Connection | Wired |
| Deviation From Target | 2.35 dB standard deviation |
| Driver Type | Ribbon |
| Drivers | 3 x corrugated aluminum true ribbon |
| Form Factor | Over-ear |
| Harman Preference Score | 86 (1 squig.link measurement, calibrated to AutoEQ) |
| Impedance | 0.057 ohms (0.29 ohms with supplied cable) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-4.6 dB at 30 Hz) |
| Tonal Tilt | -0.05 (negative is warmer, positive brighter) |
| Weight | 1.4 lbs (626 g) |
EQ Presets
Harman target
Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Harman match with this EQ: 92 out of 100, up from 86.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +3.6 dB | 0.70 |
| High shelf | 10,000 Hz | -4.8 dB | 0.70 |
| Peak | 245 Hz | -2.2 dB | 5.07 |
| Peak | 922 Hz | -3.5 dB | 2.38 |
| Peak | 1,522 Hz | +2.1 dB | 6.00 |
| Peak | 1,941 Hz | +5.9 dB | 2.72 |
| Peak | 3,935 Hz | +3.4 dB | 6.00 |
Neutral target
Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 91 out of 100, up from 72.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -2.1 dB | 0.70 |
| High shelf | 10,000 Hz | -4.8 dB | 0.70 |
| Peak | 116 Hz | -1.7 dB | 4.36 |
| Peak | 245 Hz | -2.2 dB | 4.91 |
| Peak | 923 Hz | -3.5 dB | 2.38 |
| Peak | 1,522 Hz | +2.1 dB | 6.00 |
| Peak | 1,941 Hz | +5.9 dB | 2.72 |
| Peak | 3,935 Hz | +3.4 dB | 6.00 |
Studio flat target
Set a preamp of -6.6 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 89 out of 100, up from 39.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -4.0 dB | 0.70 |
| High shelf | 10,000 Hz | +1.6 dB | 0.70 |
| Peak | 115 Hz | -1.8 dB | 6.00 |
| Peak | 211 Hz | -2.6 dB | 0.78 |
| Peak | 851 Hz | -3.5 dB | 1.12 |
| Peak | 1,598 Hz | +2.4 dB | 4.63 |
| Peak | 2,020 Hz | +6.0 dB | 1.70 |
| Peak | 3,430 Hz | +2.3 dB | 1.32 |
| Peak | 5,129 Hz | -2.8 dB | 6.00 |
Warm target
Set a preamp of -5.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 98 out of 100, up from 77.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +3.9 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 244 Hz | -2.0 dB | 6.00 |
| Peak | 938 Hz | -3.2 dB | 2.68 |
| Peak | 1,509 Hz | +2.0 dB | 6.00 |
| Peak | 1,874 Hz | +5.4 dB | 3.54 |
| Peak | 3,085 Hz | -1.3 dB | 6.00 |
| Peak | 3,968 Hz | +1.7 dB | 6.00 |
| Peak | 5,394 Hz | -3.2 dB | 3.60 |
Bass target
Set a preamp of -6.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Bass match with this EQ: 95 out of 100, up from 70.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +6.0 dB | 0.70 |
| High shelf | 10,000 Hz | -4.8 dB | 0.70 |
| Peak | 77 Hz | +1.6 dB | 3.38 |
| Peak | 245 Hz | -2.3 dB | 6.00 |
| Peak | 924 Hz | -3.5 dB | 2.41 |
| Peak | 1,522 Hz | +2.0 dB | 6.00 |
| Peak | 1,941 Hz | +5.9 dB | 2.72 |
| Peak | 3,935 Hz | +3.3 dB | 6.00 |
| Peak | 5,058 Hz | -1.3 dB | 6.00 |
| Peak | 8,000 Hz | +1.7 dB | 2.75 |
Bright target
Set a preamp of -5.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 83 out of 100, up from 54.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -2.1 dB | 0.70 |
| High shelf | 10,000 Hz | -1.0 dB | 0.70 |
| Peak | 116 Hz | -1.7 dB | 4.17 |
| Peak | 245 Hz | -2.2 dB | 4.39 |
| Peak | 927 Hz | -3.9 dB | 2.29 |
| Peak | 1,653 Hz | +2.0 dB | 4.63 |
| Peak | 2,152 Hz | +4.9 dB | 1.43 |
| Peak | 2,785 Hz | -2.2 dB | 4.68 |
| Peak | 3,927 Hz | +1.8 dB | 6.00 |
| Peak | 4,604 Hz | +2.8 dB | 1.48 |
V-shaped target
Set a preamp of -6.1 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 83 out of 100, up from 70.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +6.0 dB | 0.70 |
| Peak | 958 Hz | -4.7 dB | 2.75 |
| Peak | 2,152 Hz | +5.3 dB | 1.36 |
| Peak | 2,763 Hz | -2.1 dB | 4.57 |
| Peak | 4,604 Hz | +3.3 dB | 1.54 |
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Frequency Response
How the RAAL Requisite 1995 Immanis measures across the audible range, against the Harman over-ear target that most listeners prefer in blind tests. Where the line sits above the target that range sounds louder (more bass, brighter treble), below it quieter. The curve is a single measurement, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.
Measurement data: a single measurement from the squig.link database of kr0mka. Thanks to them for publishing their work.