Altec 515-8C vp jpvoit

15" · 8 Ω · 75 W · 98.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	34.2 Hz
Qts	0.337
Qes	0.391
Qms	2.432
Vas	414.9 L
Sd	870.9 cm²
Xmax	4.1 mm
Re	7.42 Ω
Bl	15.1 T·m
Mms	55.7 g
Pe	75 W
Sensitivity	98.6 dB

Alignment hint

EBP	87 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 121.9 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
Sonido SCW-400	34 -0.2	0.339 =	357 -57.9	5 +0.9	98.6 =	close		+
Eminence LEGEND CB15	34 -0.2	0.339 =	336 -78.9	4.8 +0.7	98.8 +0.2	close		+
Sphynx WRB15	38 +3.8	0.331 -0.01	376 -38.9	4 -0.1	99.2 +0.6	close	16 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 4.1 mm: lower excursion-limited SPL	+
Gauss 4583A v1	29 -5.2	0.338 =	433 +18.1	4 -0.1	97.8 -0.8	close	Xmax 4 mm < 4.1 mm: lower excursion-limited SPL	+
ATC SB100-375SC	30 -4.2	0.322 -0.02	380 -34.9	4.2 +0.1	98 -0.6	close		+
Sphynx SP-W15-SONO	38 +3.8	0.331 -0.01	376 -38.9	4 -0.1	100.9 +2.3	close	Xmax 4 mm < 4.1 mm: lower excursion-limited SPL	+
AE Speakers TD15M	34.7 +0.5	0.327 -0.01	312 -102.9	6 +1.9	98.5 -0.1	close		+
AE Speakers TD15M 8 Ohms	34.7 +0.5	0.327 -0.01	312 -102.9	6 +1.9	98.5 -0.1	close		+
Audax PR38EX66UST	33 -1.2	0.344 +0.01	309 -105.9	4 -0.1	97.9 -0.7	close	Xmax 4 mm < 4.1 mm: lower excursion-limited SPL	+
Beyma SM115 vp4	35.5 +1.3	0.339 =	310.6 -104.3	7.3 +3.2	99 +0.4	close		+

Compare the closest 3 against the 515-8C vp jpvoit →

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.