Conrad CPA15-1000

15" · 8 Ω · 1000 W · 98.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	31.3 Hz
Qts	0.193
Qes	0.197
Qms	8.314
Vas	221.7 L
Sd	835 cm²
Xmax	4 mm
Re	5.6 Ω
Bl	25.2 T·m
Mms	113.8 g
Pe	1000 W
Sensitivity	98.9 dB

Alignment hint

EBP	159 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 17.8 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
Conrad CPA15-400	34.3 +3	0.186 -0.01	223 +1.3	4 =	100.3 +1.4	close	400 W vs 1000 W: lower power handling	+
Conrad CPA15-300 v2018	33.3 +2	0.196 =	193.6 -28.1	4.6 +0.6	99.2 +0.3	close	300 W vs 1000 W: lower power handling	+
PD PD 1550	31 -0.3	0.212 +0.02	242 +20.3	7.4 +3.4	98.1 -0.8	close	600 W vs 1000 W: lower power handling	+
Precision Devices PD 1550	31 -0.3	0.212 +0.02	242 +20.3	7.4 +3.4	98.1 -0.8	close	600 W vs 1000 W: lower power handling	+
Oberton 15MB600	32.4 +1.1	0.17 -0.02	204 -17.7	5.5 +1.5	99.9 +1	close	600 W vs 1000 W: lower power handling	+
Precision Devices PD1550	31 -0.3	0.21 +0.02	242 +20.3	12 +8	99 +0.1	close	600 W vs 1000 W: lower power handling	+
RCF L 15/544K	35 +3.7	0.233 +0.04	227 +5.3	4 =	98.9 =	close	400 W vs 1000 W: lower power handling	+
Audax PR38S100VST	33 +1.7	0.236 +0.04	218.1 -3.6	4 =	97.8 -1.1	close	200 W vs 1000 W: lower power handling	+
Beyma 15GT200 v2	31 -0.3	0.218 +0.02	270 +48.3	5.4 +1.4	98.8 -0.1	close	250 W vs 1000 W: lower power handling	+
Electro-Voice EVX-155	35.4 +4.1	0.212 +0.02	220 -1.7	6.4 +2.4	100.5 +1.6	close	600 W vs 1000 W: lower power handling	+

Compare the closest 3 against the CPA15-1000 →

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.