Monacor SPP-300/AD

12" · 8 Ω · 100 W · 93.9 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	23 Hz
Qts	0.265
Qes	0.3
Qms	2.25
Vas	305 L
Sd	530 cm²
Xmax	5 mm
Re	6.3 Ω
Bl	13.7 T·m
Mms	61.8 g
Pe	100 W
Sensitivity	93.9 dB

Alignment hint

EBP	77 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 49.8 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
Siare 31TE	23 =	0.265 =	322 +17	5 =	95.1 +1.2	close		+
Visaton W300S4	23 =	0.253 -0.01	300 -5	7 +2	96.4 +2.5	close	4 Ω vs 8 Ω: amp load changes	+
Tonsil GDN 30/80/2	25 +2	0.26 -0.01	270 -35	6 +1	93.5 -0.4	close		+
ATC SB75-314 SC	23 =	0.25 -0.02	245 -60	5 =	93.7 -0.2	close	75 W vs 100 W: lower power handling	+
Philips AD12200/W8	24 +1	0.303 +0.04	287.4 -17.6	5 =	93.6 -0.3	close		+
Siare 31TE V2	23 =	0.265 =	387 +82	5 =	95.9 +2	close		+
Monacor SPH-300TC vp 1 seule bobine	23 =	0.239 -0.03	290 -15	4 -1	94.3 +0.4	close	Xmax 4 mm < 5 mm: lower excursion-limited SPL	+
Fostex FW 305	25 +2	0.254 -0.01	254 -51	4.8 -0.2	94.3 +0.4	close	60 W vs 100 W: lower power handling · Xmax 4.8 mm < 5 mm: lower excursion-limited SPL	+
Audax HD33S66 vp AUDIOREF - AP	24 +1	0.272 +0.01	321 +16	3.5 -1.5	93.8 -0.1	close	Xmax 3.5 mm < 5 mm: lower excursion-limited SPL	+
Monacor SPH-315	22 -1	0.235 -0.03	330 +25	4.5 -0.5	94.5 +0.6	close	Xmax 4.5 mm < 5 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SPP-300/AD →

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.