Monacor SPH-255

10" · 8 Ω · 60 W · 93 dB

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	23 Hz
Qts	0.238
Qes	0.26
Qms	2.86
Vas	205 L
Sd	350 cm²
Xmax	4.5 mm
Re	6.1 Ω
Bl	11.7 T·m
Mms	40.1 g
Pe	60 W
Sensitivity	93 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 26.2 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
Focal 10N 501	21.8 -1.2	0.231 -0.01	212.7 +7.7	6 +1.5	92.5 -0.5	close		+
Focal 10N510	21.8 -1.2	0.231 -0.01	212.7 +7.7	6 +1.5	92.5 -0.5	close		+
Focal 10L 6411	22.4 -0.6	0.253 +0.02	210.4 +5.4	8 +3.5	93.5 +0.5	close		+
Monacor SPH-265	23 =	0.275 +0.04	199 -6	5.5 +1	91.9 -1.1	close		+
Monacor SPH-250CTC	20 -3	0.247 +0.01	220 +15	4.5 =	94 +1	close	4 Ω vs 8 Ω: amp load changes	+
Tannoy 250/HF/III-L-Z/8/U	26 +3	0.233 =	200 -5	4 -0.5	94.7 +1.7	close	30 W vs 60 W: lower power handling · Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Audax PR240M6 v2014	25 +2	0.26 +0.02	207 +2	4 -0.5	94.1 +1.1	close	Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Audax HIF24HSMC-4CA12 v2	27 +4	0.243 +0.01	179.6 -25.4	5 +0.5	94 +1	close	40 W vs 60 W: lower power handling	+
Monacor SPH-250CTC vp CARBON	20 -3	0.247 +0.01	220 +15	7.5 +3	94 +1	close	4 Ω vs 8 Ω: amp load changes	+
Ciare HS250	19 -4	0.242 =	194 -11	8 +3.5	93.6 +0.6	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the SPH-255 →

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.