MTX Audio specifications T4158A Technical Data Report, =0.4, =0.5

T4158A Technical Data Report

Thunder 4000A 15" 8 Ohm Subwoofer

	100	Sealed and Vented Frequency Response										100	Bandpass Frequency Response
	97											97
	94											94
1W/1m	91										1W/1m	91
	88											88
(dB)	85										(dB)	85
	82											82
SPL							3.5 FT^3 Vented				SPL							5.92 FT^3 Bandpass
	79											79
	76						2.5 FT^3 Sealed					76						4.15 FT^3 Bandpass
	73											73
	70											70
	10	20	30	40	50	60	70	80	90	100		10	20	30	40	50	60	70	80	90	100
			Frequency (Hz)											Frequency (Hz)

Sealed Enclosures - Gabinetes Sellados - Caissons Clos - Geschlossene Gehäuse

Volumen del gabinete - Volume du caisson - Gehäusevolumen -Enclosure Volume		2.00 Ft^3	(56.6 l)	2.25 Ft^3	(63.7 l)	2.50 Ft^3	(70.8 l)	2.75 Ft^3	(77.9 l)	3.00 Ft^3	(85.0 l)
	F3	53 Hz		50 Hz		46 Hz		44 Hz		44 Hz
Ondulación - Bosse - Welligkeit - Ripple		1.58dB		1.63dB		1.64dB		1.61dB		1.57dB
	Qtc	1.53		1.45		1.39		1.33		1.29
Volumen neto - Volume net - Nettovolumen -Net Volume		1.90 Ft^3	(53.8 l)	2.15 Ft^3	(60.9 l)	2.40 Ft^3	(67.9 l)	2.65 Ft^3	(75.0 l)	2.90 Ft^3	(82.1 l)
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -Driver Volume		.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel Excursion-	Limited SPL	120dB		120dB		119dB		119dB		119dB
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -Excursion Limited Power		250 Watts		250 Watts		250 Watts		250 Watts		250 Watts

Vented Enclosures - Gabinetes ventilados - Caissons Bass Reflex - Ventilierte Gehäuse

Volumen del gabinete - Volume du caisson - Gehäusevolumen -Enclosure Volume	3.00 Ft^3	(85.0 l)	3.25 Ft^3	(92.0 l)	3.50 Ft^3	(99.1 l)	3.75 Ft^3	(106.2 l)	4.00 Ft^3	(113.3 l)
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -Vent Dimensions	(2)4”x14”		(2)4”x12”		(2)4”x11”		(2)4”x11”		(2)4”x14”
F3	49 Hz		47 Hz		45 Hz		43 Hz		42 Hz
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -Tuning Frequency	37 Hz		38 Hz		37 Hz		36 Hz		32 Hz
Ondulación - Bosse - Welligkeit - Ripple	2.68dB		2.91dB		3.06dB		3.09dB		2.82dB
Volumen neto - Volume net - Nettovolumen -Net Volume	2.68 Ft^3	(75.9 l)	2.96 Ft^3	(83.9 l)	3.23 Ft^3	(91.5 l)	3.48 Ft^3	(98.6 l)	3.68 Ft^3	(104.3 l)
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -Driver Volume	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -Vent Volume	.22 Ft^3	(6.2 l)	.18 Ft^3	(5.2 l)	.17 Ft^3	(4.8 l)	.17 Ft^3	(4.8 l)	.22 Ft^3	(6.2 l)
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung - Excursion Limited Power	122dB		121dB		121dB		121dB		120dB
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -Excursion Limited Power	250 Watts		250 Watts		250 Watts		250 Watts		250 Watts

Single Reflex Bandpass Enclosures - Gabinetes reflectores sencillos de paso de banda - Caissons Bandpass à une chambre reflex - Bassreflex-Bandpassgehäuse											s=0.4
Volumen del gabinete -Volume du caisson - Gehäusevolumen -Enclosure Volume		3.80 Ft^3	(107.6 l)	4.06 Ft^3	(115.0 l)	4.15 Ft^3	(117.5 l)	4.52 Ft^3	(128.0 l)	5.04 Ft^3	(142.7 l)
Paso de banda - Réponse en fréquence - Bandpass -Bandpass		52 - 133		49 - 128		44 - 123		39 - 118		34 - 113
Amplificación del paso de banda - Gain provoqué pas le caisson - Bandpassverstärkung -Bandpass Gain		6.2dB		5.1dB		4.0dB		2.6dB		1.2dB
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -Vent Dimensions		(6)4”x4.5”		(6)4”x6.25”		(4)4”x4.5”		(4)4”x6.25”		(4)4”x8.75”
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -Tuning Frequency		85 Hz		79 Hz		74 Hz		68 Hz		62 Hz
Ondulación - Bosse - Welligkeit - Ripple		2.09dB		2.16dB		2.23dB		2.31dB		2.39dB
Volumen sellado - Volume du caisson clos - Geschlossenes Volumen -Sealed Volume		1.12 Ft^3	(31.7 l)	1.30 Ft^3	(36.8 l)	1.53 Ft^3	(43.4 l)	1.84 Ft^3	(52.2 l)	2.29 Ft^3	(64.8 l)
Volumen ventilado - Volume du caisson reflex - Ventiliertes Volumen -Vented Volume		2.39 Ft^3	(67.7 l)	2.39 Ft^3	(67.7 l)	2.39 Ft^3	(67.7 l)	2.39 Ft^3	(67.7 l)	2.39 Ft^3	(67.7 l)
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -Driver Volume		.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -Vent Volume		.18 Ft^3	(5.2 l)	.27 Ft^3	(7.7 l)	.12 Ft^3	(3.5 l)	.18 Ft^3	(5.1 l)	.26 Ft^3	(7.4 l)
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel Excursion-	Limited SPL	123dB		122dB		121dB		120dB		118dB
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -Excursion Limited Power		250 Watts		250 Watts		250 Watts		250 Watts		246 Watts

Single Reflex Bandpass Enclosures - Gabinetes reflectores sencillos de paso de banda - Caissons Bandpass à une chambre reflex - Bassreflex-Bandpassgehäuse											s=0.5
Volumen del gabinete - Volume du caisson - Gehäusevolumen -Enclosure Volume		5.24 Ft^3	(148.4 l)	5.53 Ft^3	(156.6 l)	5.92 Ft^3	(167.7 l)	6.23 Ft^3	(176.4 l)	6.89 Ft^3	(195.1 l)
Paso de banda - Réponse en fréquence - Bandpass -Bandpass		53 - 114		48 - 109		42 - 104		37 - 99		32 - 94
Amplificación del paso de banda - Gain provoqué pas le caisson - Bandpassverstärkung -Bandpass Gain		8.1dB		7.0dB		5.8dB		4.5dB		3.0dB
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -Vent Dimensions		(6)4”x1.75”		(6)4”x3”		(6)4”x4.75”		(4)4”x3.5”		(4)4”x5.25”
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -Tuning Frequency		78 Hz		73 Hz		68 Hz		62 Hz		57 Hz
Ondulación - Bosse - Welligkeit - Ripple		1.02dB		1.07dB		1.11dB		1.17dB		1.22dB
Volumen sellado - Volume du caisson clos - Geschlossenes Volumen -Sealed Volume		1.35 Ft^3	(38.4 l)	1.58 Ft^3	(44.8 l)	1.88 Ft^3	(53.3 l)	2.30 Ft^3	(65.1 l)	2.90 Ft^3	(82.2 l)
Volumen ventilado - Volume du caisson reflex - Ventiliertes Volumen -Vented Volume		3.74 Ft^3	(105.8 l)	3.74 Ft^3	(105.8 l)	3.74 Ft^3	(105.8 l)	3.74 Ft^3	(105.8 l)	3.74 Ft^3	(105.8 l)
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -Driver Volume		.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)	.10 Ft^3	(2.9 l)
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -Vent Volume		.05 Ft^3	(1.4 l)	.11 Ft^3	(3.1 l)	.20 Ft^3	(5.6 l)	.09 Ft^3	(2.6 l)	.15 Ft^3	(4.2 l)
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel Excursion-	Limited SPL	124dB		123dB		122dB		121dB		119dB
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -Excursion Limited Power		250 Watts		250 Watts		250 Watts		250 Watts		212 Watts
One Year Limited Warranty

MTX Loudspeakers purchased in the United States from an authorized MTX dealer are guaranteed against defects in material and workmanship for a period of ONE YEAR from the date purchased by the end user, and limited to the original retail purchaser of the product. Product found to be defective during that period will be repaired or replaced by MTX at no charge. This warranty is void if it is determined that unauthorized parties have attempted repairs or alterations of any nature. Warranty does not extend to cosmetics or finish. Before presuming a defect is present in the product, be certain that all related equipment and wiring is functioning properly. MTX disclaims any liability for other incurred damages resulting from product defects. Any expenses incurred in the removal and reinstallation of products are not covered by this warranty. MTX's total liability will not exceed the purchase price of the product. If a defect is present, your authorized MTX dealer may be able to effect repairs. Proof of purchase is required when requesting service, so please retain your sales receipt and take a moment to register your warranty on line @ www.mtx.com.