Beyma 6"P200/ND

6.5" · 8 Ω · 200 W · 92 dB · datasheet ↗

Thiele-Small parameters

Nominal size	6.5"
Impedance	8 Ω
Fs	56 Hz
Qts	0.29
Qes	0.32
Qms	3.7
Vas	11.9 L
Sd	135 cm²
Xmax	5.5 mm
Re	5.3 Ω
Mms	17 g
Pe	200 W
Sensitivity	92 dB

Alignment hint

EBP	175 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 2.4 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
Oberton 6B150	55.04 -0.96	0.292 =	14.61 +2.71	5.5 =	92 =	close	150 W vs 200 W: lower power handling	+
18 Sound 6ND430	61 +5	0.27 -0.02	12.6 +0.7	5 -0.5	92.5 +0.5	close	Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Beyma 6P200Fe	58 +2	0.26 -0.03	11.1 -0.8	5 -0.5	93 +1	close	Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
Oberton 6NB150	62.32 +6.32	0.28 -0.01	9.3 -2.6	5.5 =	92 =	close	150 W vs 200 W: lower power handling	+
18 Sound 6ND430	66 +10	0.3 +0.01	12.6 +0.7	5 -0.5	94 +2	close	16 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
18 Sound 6ND430	64 +8	0.24 -0.05	12.2 +0.3	5 -0.5	92.5 +0.5	usable	4 Ω vs 8 Ω: amp load changes · Xmax 5 mm < 5.5 mm: lower excursion-limited SPL	+
B&C 6PS38	75 +19	0.3 +0.01	8 -3.9	6 +0.5	94 +2	usable	150 W vs 200 W: lower power handling	+
Beyma 6P200Fe	66 +10	0.35 +0.06	8.8 -3.1	4 -1.5	93 +1	usable	16 Ω vs 8 Ω: amp load changes · Xmax 4 mm < 5.5 mm: lower excursion-limited SPL	+
Beyma 6NMFW	40 -16	0.34 +0.05	11 -0.9	9 +3.5	87 -5	usable		+
Beyma 6"B30/P	56 =	0.5 +0.21	15.6 +3.7	5.5 =	90 -2	usable	50 W vs 200 W: lower power handling	+

Compare the closest 3 against the 6"P200/ND →

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.