PD PD 124NR1

12" · 8 Ω · 1100 W · 97.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	58 Hz
Qts	0.354
Qes	0.37
Qms	8.2
Vas	49 L
Sd	540 cm²
Xmax	7.4 mm
Re	6.1 Ω
Bl	19.4 T·m
Mms	62.8 g
Pe	1100 W
Sensitivity	97.3 dB

Alignment hint

EBP	157 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 16.4 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
Precision Devices PD 124NR1	58 =	0.354 =	49 =	7.4 =	97.3 =	close		+
Beyma 12MCS500	57 -1	0.36 +0.01	57 +8	8 +0.6	98 +0.7	close	500 W vs 1100 W: lower power handling	+
18 Sound 12NW350	54 -4	0.34 -0.01	46 -3	8.3 +0.9	98 +0.7	close	800 W vs 1100 W: lower power handling	+
18 Sound 12W700	58 =	0.36 +0.01	55 +6	6.5 -0.9	98 +0.7	close	450 W vs 1100 W: lower power handling · Xmax 6.5 mm < 7.4 mm: lower excursion-limited SPL	+
Beyma 12"MC500	57 -1	0.34 -0.01	57 +8	8 +0.6	98 +0.7	close	500 W vs 1100 W: lower power handling	+
18 Sound 12NTLW2500	60 +2	0.38 +0.03	45 -4	7.6 +0.2	98.5 +1.2	close	500 W vs 1100 W: lower power handling	+
B&C 12FW88	53 -5	0.33 -0.02	45.7 -3.3	8 +0.6	97 -0.3	close	700 W vs 1100 W: lower power handling	+
18 Sound 12NTLW3500	53 -5	0.33 -0.02	45 -4	8.3 +0.9	97 -0.3	close		+
SB Audience NERO-12MWN700D vp JustDiyIt	54.4 -3.6	0.347 -0.01	53.6 +4.6	6.2 -1.2	97.5 +0.2	close	700 W vs 1100 W: lower power handling · Xmax 6.2 mm < 7.4 mm: lower excursion-limited SPL	+
B&C 12PLB100	50 -8	0.37 +0.02	47 -2	9 +1.6	97 -0.3	close	600 W vs 1100 W: lower power handling	+

Compare the closest 3 against the PD 124NR1 →

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.