18 Sound 10NMB520

10" · 16 Ω · 300 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	16 Ω
Fs	64 Hz
Qts	0.33
Qes	0.36
Qms	4
Vas	43 L
Sd	340 cm²
Xmax	4 mm
Re	11.7 Ω
Bl	17.5 T·m
Mms	23 g
Pe	300 W
Sensitivity	100 dB

Alignment hint

EBP	178 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 12 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
PHL Audio 3020	60 -4	0.337 +0.01	41 -2	4.1 +0.1	97.6 -2.4	close	8 Ω vs 16 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
Fane SOVEREIGN 10-275	60 -4	0.343 +0.01	42.4 -0.6	5 +1	97.5 -2.5	close	8 Ω vs 16 Ω: amp load changes	+
Fane SOVEREIGN 10-300	58 -6	0.313 -0.02	43 =	4.8 +0.8	97.5 -2.5	close	8 Ω vs 16 Ω: amp load changes	+
RCF MB 10N251 (prodance)	58.9 -5.1	0.33 =	38.8 -4.2	4.8 +0.8	97.3 -2.7	close	8 Ω vs 16 Ω: amp load changes	+
Fane SOVEREIGN PRO 10-300	58 -6	0.322 -0.01	41 -2	4.7 +0.7	97.2 -2.8	close	8 Ω vs 16 Ω: amp load changes	+
Eminence DELTA 10B	65 +1	0.33 =	36 -7	3.5 -0.5	98 -2	close	Xmax 3.5 mm < 4 mm: lower excursion-limited SPL	+
SICA 10 L 2.5 SL 4 Ohms	56.5 -7.5	0.295 -0.04	46.9 +3.9	4 =	99.8 -0.2	close	4 Ω vs 16 Ω: amp load changes	+
18 Sound 10NMB420	65 +1	0.33 =	30 -13	4 =	99 -1	close		+
Beyma 10XC25	63 -1	0.376 +0.05	41 -2	4.5 +0.5	97.2 -2.8	close	8 Ω vs 16 Ω: amp load changes	+
Jensen JB 10/150	60 -4	0.295 -0.04	42 -1	3.7 -0.3	97.8 -2.2	close	8 Ω vs 16 Ω: amp load changes · 150 W vs 300 W: lower power handling · Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 10NMB520 →

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.