PHL Audio 7201ND

18" · 8 Ω · 1000 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	34 Hz
Qts	0.355
Qes	0.38
Qms	5.5
Vas	230 L
Sd	1250 cm²
Xmax	8.5 mm
Re	5.3 Ω
Bl	24.9 T·m
Mms	208.7 g
Pe	1000 W
Sensitivity	97.5 dB

Alignment hint

EBP	89 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 77.5 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
B&C 18 TBX 100	34 =	0.352 =	212 -18	9 +0.5	97.5 =	close		+
B&C 18TBX100	34 =	0.35 -0.01	212 -18	9 +0.5	97 -0.5	close		+
Sica 18 S 4 CP	33 -1	0.35 -0.01	225 -5	11 +2.5	97.1 -0.4	close		+
B&C 18 RBX 100	35 +1	0.343 -0.01	220 -10	8.3 -0.2	98.1 +0.6	close	Xmax 8.3 mm < 8.5 mm: lower excursion-limited SPL	+
Eminence DEFINIMAX 4018 LF	32 -2	0.348 -0.01	237.9 +7.9	8.6 +0.1	96.4 -1.1	close		+
18 Sound 18LW2420	34 =	0.36 +0.01	196 -34	10 +1.5	98 +0.5	close		+
RCF L 18P540	34 =	0.372 +0.02	228 -2	6.9 -1.6	97.2 -0.3	close	500 W vs 1000 W: lower power handling · Xmax 6.9 mm < 8.5 mm: lower excursion-limited SPL	+
Beyma 18P1000FE	33 -1	0.32 -0.03	230 =	8 -0.5	97.8 +0.3	close	Xmax 8 mm < 8.5 mm: lower excursion-limited SPL	+
RCF L 18P300 8 Ohms	33 -1	0.327 -0.03	226 -4	7.8 -0.7	97.8 +0.3	close	Xmax 7.8 mm < 8.5 mm: lower excursion-limited SPL	+
Beyma 18LEX1000Fe	34 =	0.38 +0.03	250 +20	11 +2.5	98 +0.5	close		+

Compare the closest 3 against the 7201ND →

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.