Thunder 4000A 15" 8 Ohm Subwoofer
Sealed Enclosures -
Gabinetes Sellados - Caissons Clos - Geschlossene Gehäuse
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)
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)
.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)
ented Enclosures -
Gabinetes ventilados - Caissons Bass Reflex - Ventilierte Gehäuse
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)
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)
.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)
.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)
Single Reflex Bandpass Enclosures -
Gabinetes reflectores sencillos de paso de banda - Caissons Bandpass à une chambre reflex - Bassreflex-Bandpassgehäuse
s=0.4
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)
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)
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)
.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)
.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)
Single Reflex Bandpass Enclosures -
Gabinetes reflectores sencillos de paso de banda - Caissons Bandpass à une chambre reflex - Bassreflex-Bandpassgehäuse
s=0.5
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)
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)
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)
.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)
.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)
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.
One Year Limited Warranty
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -
Vent Dimensions
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -
Excursion Limited Power
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel -
Excursion Limited SPL
119dB
212 Watts
57 Hz
1.22dB
62 Hz
Amplificación del paso de banda - Gain provoqué pas le caisson - Bandpassverstärkung -
Bandpass Gain
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -
Tuning Frequency
Ondulación - Bosse - Welligkeit -
Ripple
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -
Vent Volume
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -
Driver Volume
Volumen ventilado - Volume du caisson reflex - Ventiliertes Volumen -
Vented Volume
Volumen sellado - Volume du caisson clos - Geschlossenes Volumen -
Sealed Volume
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -
Driver Volume
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -
Vent Volume
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung - Excursion Limited Power
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -
Excursion Limited Power
Volumen del gabinete -Volume du caisson - Gehäusevolumen -
Enclosure Volume
Paso de banda - Réponse en fréquence - Bandpass -
Bandpass
Volumen del gabinete - Volume du caisson - Gehäusevolumen -
Enclosure Volume
Paso de banda - Réponse en fréquence - Bandpass -
Bandpass
Amplificación del paso de banda - Gain provoqué pas le caisson - Bandpassverstärkung -
Bandpass Gain
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -
Vent Dimensions
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -
Tuning Frequency
Ondulación - Bosse - Welligkeit -
Ripple
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel -
Excursion Limited SPL
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -
Excursion Limited Power
Volumen sellado - Volume du caisson clos - Geschlossenes Volumen -
Sealed Volume
Volumen ventilado - Volume du caisson reflex - Ventiliertes Volumen -
Vented Volume
Ondulación - Bosse - Welligkeit -
Ripple
Volumen neto - Volume net - Nettovolumen -
Net Volume
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -
Driver Volume
Volumen de las aberturas de ventilación - Volume de l'évent - Entlüftungsvolumen -
Vent Volume
Dimensiones de las aberturas de ventilación - Dimensions de l’évent - Entlüftungsabmessungen -
Vent Dimensions
F3
Frecuencia de sintonización - Fréquence d’accord - Resonanzfrequenz -
Tuning Frequency
Volumen neto - Volume net - Nettovolumen -
Net Volume
Volumen del altavoz - Volume occupé par le sub - Subwoofervolumen -
Driver Volume
Nivel de presión sonora de excursión limitada - Pression acoustique maxi limitée par la course - Auslenkungsbegrenzter Schallpegel -
Excursion Limited SPL
Potencia de excursión limitada - Puissance maxi limitée par la course - Auslenkungsbegrenzte Leistung -
Excursion Limited Power
Volumen del gabinete - Volume du caisson - Gehäusevolumen -
Enclosure Volume
37 - 99
4.5dB
32 - 94
3.0dB
1.17dB
123dB
250 Watts
122dB
250 Watts
121dB
250 Watts
42 - 104
5.8dB
68 Hz
1.11dB
48 - 109
7.0dB
73 Hz
1.07dB
(6)4”x3”
120dB
250 Watts
62 Hz
2.39dB
118dB
246 Watts
79 Hz
2.16dB
122dB
250 Watts
32 Hz
42 Hz
49 - 128
5.1dB
44 - 123
4.0dB
39 - 118
2.6dB
34 - 113
1.2dB
250 Watts 250 Watts
120dB
2.82dB
250 Watts 250 Watts
121dB
3.06dB
44 Hz
1.57dB
1.29
121dB
37 Hz
45 Hz 43 Hz
36 Hz
3.09dB
121dB
46 Hz
1.64dB
1.39
44 Hz
1.61dB
1.33
119dB 119dB 119dB
250 Watts250 Watts250 Watts
124dB
250 Watts
50 Hz
1.63dB
1.45
120dB
250 Watts
47 Hz
38 Hz
2.91dB
53 - 114
8.1dB
78 Hz
1.02dB
(6)4”x1.75”
85 Hz
2.09dB
123dB
250 Watts
2.68dB
122dB
250 Watts
6.2dB
52 - 133
T4158A Technical Data Report
53 Hz
1.58dB
1.53
Volumen del gabinete - Volume du caisson - Gehäusevolumen -
Enclosure Volume
F3
Ondulación - Bosse - Welligkeit -
Ripple
Qtc
120dB
250 Watts
49 Hz
37 Hz
(2)4”x14” (2)4”x14”(2)4”x11”(2)4”x11”(2)4”x12”
(6)4”x4.5” (6)4”x6.25” (4)4”x4.5” (4)4”x6.25” (4)4”x8.75”
(4)4”x5.25”(4)4”x3.5”(6)4”x4.75”
74 Hz
2.23dB
250 Watts
121dB
68 Hz
2.31dB
Sealed and Vented Frequency Response
70
73
76
79
82
85
88
91
94
97
100
10 100
Frequency (Hz)
SPL (dB) 1W/1m
3.5 FT^3 Vented
2.5 FT^3 Sealed
20 30 40 50 60 70 80 90
Bandpass Frequency Response
70
73
76
79
82
85
88
91
94
97
100
10 100
Frequency (Hz)
SPL (dB) 1W/1m
5.92 FT^3 Bandpass
4.15 FT^3 Bandpass
20 30 40 50 60 70 80 90