Monacor SP-38/300NEO

15" · 8 Ω · 300 W · 97.8 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	36 Hz
Qts	0.43
Qes	0.48
Qms	4.13
Vas	265 L
Sd	880 cm²
Xmax	3.5 mm
Re	5.4 Ω
Bl	14.3 T·m
Mms	80.1 g
Pe	300 W
Sensitivity	97.8 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 155.5 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
Celestion PULSE 15	35.7 -0.3	0.431 =	246.7 -18.3	4.8 +1.3	97.2 -0.6	close		+
DAS Audio 15L	38 +2	0.418 -0.01	263 -2	6 +2.5	98.1 +0.3	close	200 W vs 300 W: lower power handling	+
Celestion PULSE15	35.7 -0.3	0.431 =	246.7 -18.3	4.75 +1.25	95.6 -2.2	close		+
Visaton BGS 40 v2	40 +4	0.424 -0.01	263 -2	5.7 +2.2	98.2 +0.4	close	200 W vs 300 W: lower power handling	+
Eminence BASSLITE C2515	38 +2	0.45 +0.02	260 -5	4.5 +1	96.4 -1.4	close	4 Ω vs 8 Ω: amp load changes	+
JBL MI-15A	40 +4	0.421 -0.01	271.8 +6.8	4 +0.5	99.2 +1.4	close	150 W vs 300 W: lower power handling	+
Monacor SP-385G	35 -1	0.473 +0.04	260 -5	4 +0.5	96.2 -1.6	close	175 W vs 300 W: lower power handling	+
Beyma 15T100/N vp	35 -1	0.455 +0.03	275 +10	6 +2.5	96.8 -1	close	200 W vs 300 W: lower power handling	+
Eminence Kl3015CX-8	38 +2	0.438 +0.01	219.3 -45.7	4.3 +0.8	97.5 -0.3	close		+
Beyma 15XM	36 =	0.398 -0.03	310 +45	4 +0.5	98.9 +1.1	close		+

Compare the closest 3 against the SP-38/300NEO →

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.