Gauss 4580

15" · 8 Ω · 400 W · 96.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	31 Hz
Qts	0.234
Qes	0.26
Qms	2.3
Vas	198 L
Sd	855 cm²
Xmax	5.8 mm
Re	6.8 Ω
Bl	26.4 T·m
Mms	136.4 g
Pe	400 W
Sensitivity	96.2 dB

Alignment hint

EBP	119 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 24.3 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
Electro-Voice EVM-15W vp	31.7 +0.7	0.237 =	189.1 -8.9	6.6 +0.8	97.6 +1.4	close		+
JBL 1501FE	29.5 -1.5	0.236 =	217.7 +19.7	6.9 +1.1	97.2 +1	close		+
MC Kenzie C15.400BR	29 -2	0.227 -0.01	175 -23	5.8 =	95.2 -1	close		+
18 Sound 15LW2400	34 +3	0.23 =	191 -7	9.5 +3.7	97 +0.8	close	4 Ω vs 8 Ω: amp load changes	+
RCF L 15P200	30 -1	0.23 =	245 +47	5.9 +0.1	97.3 +1.1	close	300 W vs 400 W: lower power handling	+
PHL Audio 5010	34 +3	0.25 +0.02	200 +2	6.4 +0.6	98.2 +2	close		+
18 Sound 15ND930	35 +4	0.24 +0.01	182 -16	7.5 +1.7	97 +0.8	close	4 Ω vs 8 Ω: amp load changes	+
Celestion FTR15-4080F-Bis	35 +4	0.243 +0.01	182.8 -15.2	6 +0.2	98.3 +2.1	close		+
MC Kenzie FRL-115/500-LF	34 +3	0.227 -0.01	175 -23	5.4 -0.4	97.7 +1.5	close	Xmax 5.4 mm < 5.8 mm: lower excursion-limited SPL	+
MC Kenzie FRL-15/500-LF	34 +3	0.227 -0.01	175 -23	5.4 -0.4	97.7 +1.5	close	Xmax 5.4 mm < 5.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 4580 →

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.