Conrad CPA15-300 v2018

15" · 8 Ω · 300 W · 99.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33.3 Hz
Qts	0.196
Qes	0.201
Qms	7.33
Vas	193.6 L
Sd	835 cm²
Xmax	4.6 mm
Re	5.4 Ω
Bl	25.5 T·m
Mms	115.5 g
Pe	300 W
Sensitivity	99.2 dB

Alignment hint

EBP	166 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 16.1 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
DAS Audio 15GN	36 +2.7	0.213 +0.02	197 +3.4	6 +1.4	99.2 =	close		+
Conrad CPA15-1000	31.3 -2	0.193 =	221.7 +28.1	4 -0.6	98.9 -0.3	close	Xmax 4 mm < 4.6 mm: lower excursion-limited SPL	+
Oberton 15MB600	32.4 -0.9	0.17 -0.03	204 +10.4	5.5 +0.9	99.9 +0.7	close		+
B&C 15NDL76	37 +3.7	0.22 +0.02	195 +1.4	7 +2.4	99.5 +0.3	close		+
Peavey 15 PRO RIDER CU CP SUBWOOFER	34.8 +1.5	0.236 +0.04	208 +14.4	4.6 =	99 -0.2	close		+
Conrad CPA15-400	34.3 +1	0.186 -0.01	223 +29.4	4 -0.6	100.3 +1.1	close	Xmax 4 mm < 4.6 mm: lower excursion-limited SPL	+
McCauley 6342	40 +6.7	0.204 +0.01	200.2 +6.6	4.6 =	101.1 +1.9	close		+
HH Electronics 1501E	36 +2.7	0.238 +0.04	190.5 -3.1	4.5 -0.1	99 -0.2	close	200 W vs 300 W: lower power handling · Xmax 4.5 mm < 4.6 mm: lower excursion-limited SPL	+
B&C 15 NDL 76	37 +3.7	0.228 +0.03	195 +1.4	6 +1.4	99.9 +0.7	close		+
Electro-Voice EVX-155	35.4 +2.1	0.212 +0.02	220 +26.4	6.4 +1.8	100.5 +1.3	close		+

Compare the closest 3 against the CPA15-300 v2018 →

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.