Morel PRIMO 10

10" · 4 Ω · 300 W · 90 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	35 Hz
Qts	0.558
Qes	0.68
Qms	3.1
Vas	38 L
Sd	320 cm²
Xmax	8 mm
Re	3 Ω
Bl	8.7 T·m
Mms	78.1 g
Pe	300 W
Sensitivity	90 dB

Alignment hint

EBP	51 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 62.7 L

EBP 50-100: works in either a sealed or ported alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Focal 27 WX	37.4 +2.4	0.555 =	38.6 +0.6	7.3 -0.7	89.8 -0.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.3 mm < 8 mm: lower excursion-limited SPL	+
Morel PRIMO 104	35 =	0.56 =	38 =	8 =	85.6 -4.4	close		+
LaVoce SSF102.40 8 Ohm	38 +3	0.571 +0.01	42 +4	7.7 -0.3	88.5 -1.5	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.7 mm < 8 mm: lower excursion-limited SPL	+
Lavoce SSF102.40	38 +3	0.57 +0.01	42 +4	8.3 +0.3	87.6 -2.4	close	8 Ω vs 4 Ω: amp load changes	+
JL Audio 10W7AE-3	30.6 -4.4	0.537 -0.02	36.1 -1.9	12 +4	89.1 -0.9	close		+
Boston Acoustics COMPETITOR 1000S4	34 -1	0.53 -0.03	35 -3	8.5 +0.5	85.7 -4.3	close		+
Brax MATRIX 10.1	35.8 +0.8	0.53 -0.03	35.34 -2.66	12.5 +4.5	86.5 -3.5	close		+
Boss Audio MR101	44 +9	0.55 -0.01	35 -3	9 +1	88.9 -1.1	close		+
Focal AUDITOR RSB-250	29 -6	0.594 +0.04	42 +4	9.5 +1.5	90.7 +0.7	close	2 Ω vs 4 Ω: amp load changes	+
Kenwood KFC-W2502	39.8 +4.8	0.514 -0.04	44.9 +6.9	8.4 +0.4	89 -1	close	150 W vs 300 W: lower power handling	+

Compare the closest 3 against the PRIMO 10 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.