Monacor SP-15A/350NEO

15" · 8 Ω · 350 W · 101.2 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	49 Hz
Qts	0.252
Qes	0.26
Qms	7.75
Vas	128 L
Sd	840 cm²
Xmax	3.5 mm
Re	5.5 Ω
Bl	23 T·m
Mms	81.5 g
Pe	350 W
Sensitivity	101.2 dB

Alignment hint

EBP	188 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 18.6 L

EBP > 100: favours a ported (bass-reflex) 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
18 Sound 15W200 vp2	45 -4	0.253 =	134 +6	3.1 -0.4	100.2 -1	close	200 W vs 350 W: lower power handling · Xmax 3.1 mm < 3.5 mm: lower excursion-limited SPL	+
18 Sound 15NMB1000	46 -3	0.24 -0.01	124 -4	6.5 +3	101 -0.2	close		+
RCF L 17P/64 AF	52 +3	0.244 -0.01	124 -4	2.9 -0.6	101.7 +0.5	close	150 W vs 350 W: lower power handling · Xmax 2.9 mm < 3.5 mm: lower excursion-limited SPL	+
PHL Audio 5241 M	48 -1	0.253 =	105 -23	3.9 +0.4	99.4 -1.8	close		+
RCF MB 15N405	46 -3	0.265 +0.01	124 -4	6.6 +3.1	100 -1.2	close		+
RCF CX15N351	55 +6	0.258 +0.01	110 -18	3.8 +0.3	101.8 +0.6	close		+
Electro-Voice DL15BFH	45.6 -3.4	0.291 +0.04	127.4 -0.6	4.1 +0.6	100.1 -1.1	close		+
Fane COLOSSUS 15-750BMN	45 -4	0.27 +0.02	127 -1	5.8 +2.3	99.6 -1.6	close		+
Peavey 1502-8 V1982	47 -2	0.27 +0.02	138.7 +10.7	3 -0.5	100.2 -1	close	Xmax 3 mm < 3.5 mm: lower excursion-limited SPL	+
B&C 14 CXN 6	45 -4	0.28 +0.03	131 +3	5.6 +2.1	100 -1.2	close		+

Compare the closest 3 against the SP-15A/350NEO →

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.