Great Plains Audio 515-8GHP GPA

15" · 16 Ω · 75 W · 101.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	16 Ω
Fs	37 Hz
Qts	0.187
Qes	0.195
Qms	4.5
Vas	342.6 L
Sd	856 cm²
Xmax	2.8 mm
Re	8.6 Ω
Bl	23.8 T·m
Mms	55.5 g
Pe	75 W
Sensitivity	101.2 dB

Alignment hint

EBP	190 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 25.8 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
Altec 515-8GHP	37 =	0.187 =	342.6 =	2.8 =	103 +1.8	close	8 Ω vs 16 Ω: amp load changes	+
Iconic Speakers 165-8GHP	37 =	0.191 =	354.9 +12.3	3 +0.2	103.1 +1.9	close	8 Ω vs 16 Ω: amp load changes	+
Altec 515-16G	37 =	0.215 +0.03	345.5 +2.9	3 +0.2	99.4 -1.8	close		+
Great Plains Audio 515-16G GPA	37 =	0.215 +0.03	345.5 +2.9	3 +0.2	99.4 -1.8	close		+
DAS Audio MI-30	34.3 -2.7	0.203 +0.02	360 +17.4	4.3 +1.5	101.2 =	close	8 Ω vs 16 Ω: amp load changes	+
JBL 2220H	37 =	0.174 -0.01	297.3 -45.3	2.7 -0.1	102.7 +1.5	close	8 Ω vs 16 Ω: amp load changes · Xmax 2.7 mm < 2.8 mm: lower excursion-limited SPL	+
Benett 15.200 X/N	34.3 -2.7	0.211 +0.02	338 -4.6	5 +2.2	101.2 =	close	8 Ω vs 16 Ω: amp load changes	+
JBL 2220J	37 =	0.174 -0.01	297.3 -45.3	2.7 -0.1	99 -2.2	close	Xmax 2.7 mm < 2.8 mm: lower excursion-limited SPL	+
Iconic Speakers 165-16G	37 =	0.22 +0.03	357.9 +15.3	3.1 +0.3	99.4 -1.8	close		+
JBL E130	40 +3	0.188 =	297.3 -45.3	2.5 -0.3	102.6 +1.4	close	8 Ω vs 16 Ω: amp load changes · Xmax 2.5 mm < 2.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 515-8GHP GPA →

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.