Beyma 18P1000

18" · 8 Ω · 1000 W · 96.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	32 Hz
Qts	0.362
Qes	0.37
Qms	16.7
Vas	245 L
Sd	1200 cm²
Xmax	8 mm
Re	6.2 Ω
Bl	26.2 T·m
Mms	203.8 g
Pe	1000 W
Sensitivity	96.5 dB

Alignment hint

EBP	86 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 87 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
Eminence DEFINIMAX 4018 LF	32 =	0.348 -0.01	237.9 -7.1	8.6 +0.6	96.4 -0.1	close		+
BMS 18N830vv2	31 -1	0.37 +0.01	262 +17	8 =	96 -0.5	close		+
B&C 18 PS 100 8 Ohms	30 -2	0.376 +0.01	245 =	8 =	95.8 -0.7	close		+
Dayton Audio APOLLO 18N	32 =	0.338 -0.02	253.6 +8.6	9.1 +1.1	96.9 +0.4	close		+
BMS 18S430vv2	31 -1	0.34 -0.02	262 +17	8 =	96 -0.5	close		+
BMS 18N830V2	31 -1	0.37 +0.01	262 +17	8 =	94.9 -1.6	close	6 Ω vs 8 Ω: amp load changes · 550 W vs 1000 W: lower power handling	+
PHL Audio 7201ND	34 +2	0.355 -0.01	230 -15	8.5 +0.5	97.5 +1	close		+
Fane COLOSSUS 18XB v2016	33 +1	0.337 -0.02	236 -9	7.5 -0.5	96.6 +0.1	close	Xmax 7.5 mm < 8 mm: lower excursion-limited SPL	+
Fane SOVEREIGN PRO 18-800 P	33 +1	0.386 +0.02	258 +13	7.5 -0.5	96.4 -0.1	close	Xmax 7.5 mm < 8 mm: lower excursion-limited SPL	+
Fane 18XBN	33 +1	0.337 -0.02	236 -9	7.5 -0.5	96.8 +0.3	close	Xmax 7.5 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 18P1000 →

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.