MTX RT12-04 picture

RT12-04

30cm 12“ 250W RMS 4Ω Subwoofer with Ø50mm 2" voice coil

Introduction

The 30cm 12“ 250W RMS 4Ω single voice coil MTX RT12-04 subwoofer is full featured: long throw excursion, rubber suspension, polypropylene cone with embossed MTX logo, large magnetic structure, extra large 50mm 2“ voice coil, SPV cooling technology, ALDS technology, etc. Considering the price, it's a feat.

Features

• Long Throw suspension for low distortion and high power handling
• One-piece cone with embossed MTX logo for the look
• Thick sheet metal frame (1mm) for more rigidity
• Large eXtra magnetic structure (130x25mm) for more power handling
• 50mm voice coil for more reliability
• Wires braided in the spider for more reliability
• Spider eXtra large for more Xmax
• Push connectors for better contact
• SPV technology for coil cooling
• ALDS technology for reliability and for low level detail and high level power handling

Specifications

• Subwoofer diameter 30cm 12"
• Max power: 750W
• RMS power: 250W
• Sensitivity: 92.0dB / 2.83v / 1m
• Impedance: 4Ω
• Response: 20Hz - 500Hz
• Depth: 13.4cm

Parameters

• Fs : 28,0 Hz
• Re : 3,20 Ω
• Z : 4 Ω
• Qms : 6,87
• Qes : 0,58
• Qts : 0,54
• Vas : 68 liters
• Mms : 164,53 grams
• Cms : 186 mm/N
• Bl : 12,78 N/A
• Sd : 510,71 cm2
• Vd : 0,740 liters
• Xmax : 14,5 mm
• Prms : 250 Watts
• SPL 2,83V/1m : 92,0dB

Associations performantes recommandées

Recommended Amplifiers: TX2275 TX2450 TX480D

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• Recommended enclosures: 34 liters sealed or 57 liters vented (See manual for more details).
• Recommended amplifier:
- for one RT12-04: a TX2275, a TR275 or a TX480D on two bridged channels under 4Ω. TX2450 or TR450 is also possible but it is less powerful
- for two RT12-04: use one TX6500D under 2Ω

Warning

MTX wants you to enjoy your hearing for a long time. Excessive exposure to loud volumes can damage your hearing. The United States Department of Labor recommends not exceeding the following recommendations:
90db : maximum 8 hours / day
92dB : maximum 6 hours / day
95db : maximum 4 hours / day
97db : maximum 3 hours / day
100db : maximum 2 hours / day
102db : maximum 90 minutes / day
105db : maximum 60 minutes / day
110db : maximum 30 minutes / day
115db : maximum less than 15 minutes / day
120db : immediate danger, 0 minutes / day

Dimensions

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