Visaton WS40NG

15" · 8 Ω · 200 W · 97.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	25 Hz
Qts	0.252
Qes	0.32
Qms	1.18
Vas	500 L
Sd	780 cm²
Xmax	6.5 mm
Re	6 Ω
Bl	14.3 T·m
Mms	69.1 g
Pe	200 W
Sensitivity	97.1 dB

Alignment hint

EBP	78 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 72.7 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
Audio Dynamique AD380PM100	25.5 +0.5	0.26 +0.01	530 +30	5 -1.5	97 -0.1	close	Xmax 5 mm < 6.5 mm: lower excursion-limited SPL	+
AE Speakers TD15H-4	21 -4	0.254 =	467 -33	7 +0.5	97.6 +0.5	close	4 Ω vs 8 Ω: amp load changes	+
Scan-Speak 38WE/8582T00	26 +1	0.243 -0.01	423 -77	9.5 +3	97.5 +0.4	close		+
Crites Speakers CW1526	26.3 +1.3	0.263 +0.01	506.3 +6.3	7 +0.5	101.1 +4	close	4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling	+
Crites Speakers CW1526C	26.3 +1.3	0.263 +0.01	506.3 +6.3	7 +0.5	101.1 +4	close	4 Ω vs 8 Ω: amp load changes · 150 W vs 200 W: lower power handling	+
Monacor SPH-390TC 8 Ohms	22 -3	0.272 +0.02	531 +31	7 +0.5	96.1 -1	close	150 W vs 200 W: lower power handling	+
Supravox 400 EXC Ag 13V	25.3 +0.3	0.253 =	555.6 +55.6	5 -1.5	98.7 +1.6	close	120 W vs 200 W: lower power handling · Xmax 5 mm < 6.5 mm: lower excursion-limited SPL	+
AE Speakers TD15X 8 Ohms	23.2 -1.8	0.287 +0.03	467 -33	7 +0.5	96.3 -0.8	close		+
Altec 927-8A	22.9 -2.1	0.278 +0.03	496.1 -3.9	8.3 +1.8	95.1 -2	close		+
AE Speakers TD15H	21 -4	0.254 =	467 -33	7 +0.5	94.9 -2.2	close		+

Compare the closest 3 against the WS40NG →

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.