Taramps 18POL Thunder Bass 3k7 Subwoofer Technical Guide

Technical specifications, cabinet suggestions, and warranty information for the Taramps 18POL Thunder Bass 3k7 subwoofer. Learn about power ratings, impedance, and installation requirements.

Quick answers from the manual

Quick answer

The Taramps 18POL Thunder Bass 3k7 is an 18-inch subwoofer with 1200W RMS power. It requires a vented enclosure (105L or 140L) and professional installation to maintain warranty coverage. p. 3

Key actions

Install in a vented box with recommended volume (105L or 140L). p. 3
Use cotton or glass wool blanket inside the cabinet. p. 3

Problems and fixes

Burnt coils

Avoid excessive power or extreme distortion.

p. 4

Technical specifications

Parameter	Value	Meaning	Pages
RMS Power	1200 W	Continuous power handling	p. 3
Nominal Diameter	18 Inches	Speaker size	p. 3
Impedance	4 or 8 Ohms	Electrical resistance	p. 3

Where to find it in the PDF

Technical Specifications p. 3
Warranty p. 4

Table of contents

Manual images

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Page 1

Page 3

Quick guide from the manual

This document provides the technical specifications, cabinet recommendations, and warranty terms for the Taramps 18POL Thunder Bass 3k7 subwoofer. It is intended for installers and audio enthusiasts to ensure proper enclosure design and safe operation.

Technical Specifications

The Taramps 18POL Thunder Bass 3k7 is an 18-inch subwoofer designed for high-performance low-frequency reproduction.

RMS Power: 1200 W
Musical Power: 2400 W
Maximum Power: 3700 W
Nominal Impedance: 4 or 8 Ohms
Sensitivity: 96.358 dB (@ 1W, 1m)
Frequency Response: 35 to 1.500 Hz
Nominal Diameter: 18 inches
Weight: 15.8 kg

Cabinet Suggestions

To achieve optimal performance, the subwoofer should be installed in a vented box enclosure. The following configurations are recommended:

Option 1: 105 Liters volume, 3 ducts, 4-inch diameter, 168.4 mm depth, 50 Hz tuning, 45 Hz (H.P.F).
Option 2: 140 Liters volume, 3 ducts, 4-inch diameter, 140 mm depth, 45 Hz tuning, 40 Hz (H.P.F).

Note: For professional lines, it is mandatory to use cotton or glass wool blanket inside the enclosure.

Warranty Information

The product includes a total warranty period of 15 months (including the legal warranty of 90 days). The warranty is void if:

The product is not installed by a specialized professional.
Damages are caused by transport, handling accidents, or humidity.
Defects are caused by improper installation.
There is damage to the speaker housing (bent or broken).
Coils are burnt due to excessive power or extreme distortion (heating above 240 degrees).

To claim the warranty, the customer must present the invoice and the warranty term, both containing the product's serial number.

Practical help

Common problems

Burnt coils

Avoid excessive power or extreme distortion, which causes heating above 240 degrees.

Warranty void

Ensure installation is performed by a specialized professional and avoid improper handling or transport damage.

Before use

Verify the serial number on the product label matches the invoice.
Ensure the enclosure is built according to the recommended volumes (105L or 140L).
Use cotton or glass wool blanket inside the cabinet.
Ensure the amplifier power is compatible with the subwoofer's RMS rating.

Specs in practice

Nominal Impedance: 4 or 8 Ohms - The electrical resistance of the voice coil.
Volume Occupied: 10.7 Liters - The space taken up by the subwoofer driver itself inside the cabinet.

Images and diagrams

The dimension diagram shows the mounting diameter (416mm) and total depth (218mm).
The frequency response graph illustrates the amplitude response from 5Hz to 20kHz.

Model compatibility

Requires a vented box enclosure.
Recommended high-pass filter (H.P.F) settings are 40Hz or 45Hz depending on the box volume.

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Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.