Beyma 15 GI-100

15" · 8 Ω · 150 W · 101 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33 Hz
Qts	0.243
Qes	0.25
Qms	9.18
Vas	430 L
Sd	860 cm²
Xmax	4 mm
Re	6.2 Ω
Bl	17 T·m
Mms	56.1 g
Pe	150 W
Sensitivity	101 dB

Alignment hint

EBP	132 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 57.6 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
Focal AUDIOM 15	32.5 -0.5	0.236 -0.01	379.7 -50.3	6 +2	100.4 -0.6	close		+
Great Plains Audio 604-8H-II	30.9 -2.1	0.262 +0.02	463 +33	3.8 -0.2	101.2 +0.2	close	100 W vs 150 W: lower power handling · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
Iconic Speakers 704-8A	30.9 -2.1	0.262 +0.02	463 +33	5.1 +1.1	99.7 -1.3	close		+
Eminence KAPPA 15 C	31 -2	0.244 =	329.9 -100.1	5.5 +1.5	101.3 +0.3	close	4 Ω vs 8 Ω: amp load changes	+
Supravox 400 GMF PRO	32 -1	0.263 +0.02	370 -60	4.8 +0.8	99.4 -1.6	close		+
Benett 15.200 Z/N	32.9 -0.1	0.265 +0.02	344 -86	5 +1	100.1 -0.9	close		+
Great Plains Audio 604-8H III	33.7 +0.7	0.254 +0.01	329.9 -100.1	3.8 -0.2	99.3 -1.7	close	100 W vs 150 W: lower power handling · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
Great Plains Audio 604-H III	33.7 +0.7	0.254 +0.01	329.9 -100.1	3.8 -0.2	99.3 -1.7	close	100 W vs 150 W: lower power handling · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
DAS Audio MI-30	34.3 +1.3	0.203 -0.04	360 -70	4.3 +0.3	101.2 +0.2	usable		+
Davis 38RCA15	29 -4	0.24 =	373 -57	5 +1	98.2 -2.8	usable		+

Compare the closest 3 against the 15 GI-100 →

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.