P.Audio C15-300MB

15" · 8 Ω · 300 W · 99.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	42 Hz
Qts	0.375
Qes	0.4
Qms	6.08
Vas	199.5 L
Sd	855 cm²
Xmax	3.5 mm
Re	5.3 Ω
Bl	16.1 T·m
Mms	73.8 g
Pe	300 W
Sensitivity	99.4 dB

Alignment hint

EBP	105 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 78.1 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
Eminence DELTALITE-II 2515	42 =	0.376 =	204 +4.5	4.8 +1.3	99.4 =	close		+
Eminence DELTALITE 2515/16	42 =	0.376 =	204 +4.5	4.8 +1.3	99.5 +0.1	close		+
Monacor SP-15/200PA	42 =	0.375 =	197 -2.5	4.7 +1.2	98.2 -1.2	close	200 W vs 300 W: lower power handling	+
Audax PR38LEX100VST vp CBM	42 =	0.343 -0.03	195 -4.5	3.5 =	99.4 =	close		+
RCF CX15G251	41 -1	0.389 +0.01	219 +19.5	3.7 +0.2	99.5 +0.1	close	100 W vs 300 W: lower power handling	+
Beyma 15BBB	42 =	0.38 +0.01	176 -23.5	3.3 -0.2	99.2 -0.2	close	150 W vs 300 W: lower power handling · Xmax 3.3 mm < 3.5 mm: lower excursion-limited SPL	+
Peavey 1505-8 DT v1993	44.2 +2.2	0.371 =	198 -1.5	5.1 +1.6	100.3 +0.9	close		+
P.Audio 15BM-500B	41 -1	0.374 =	183.4 -16.1	4.8 +1.3	98.5 -0.9	close		+
Audax PR38XT150	43.6 +1.6	0.421 +0.05	200 +0.5	3.5 =	98.9 -0.5	close	150 W vs 300 W: lower power handling	+
Beyma 15MW/ND v2019	42 =	0.38 +0.01	176 -23.5	6.3 +2.8	99.2 -0.2	close		+

Compare the closest 3 against the C15-300MB →

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.