HSU VTF-15H MK2 User Manual

VTF-15H MK2 Subwoofer Manual
Features
Variable Tuning Hybrid Technology.
“No
w you decide how deep to play.”
T
he large flared ports can be re-tuned with the flip of a switch and the
addition or removal of a port plug(s). With support for five different operating modes, including ported and sealed
hybrid modes, this subwoofer offers state-of-the-art performance in virtually all rooms.
Custom built woofers.
“The end of featureless boom.” We design our woofers from the ground up to have exceptionally flat response
and low distortion, so you will hear clean and detailed bass not found in lesser subwoofers.
Powerful BASH amplifiers.
Our custom built amplifiers have ultra-high headroom, soft clipping, subsonic filtering, adjustable Q, and
class A/B output stage to provide extremely high fidelity, low distortion, and high output.
Flexible room placement.
The luxurious and smooth non-vinyl finishes, rounded corners and edges, and front-firing woofer and ports
allow for close placement next to listeners, in corners, and even inside built-in entertainment centers.
Connects to almost any system.
“Integration is easier than ever.” Thanks to modern receivers that use Dolby Digital, DTS, THX, or Bass
Management, you can connect the subwoofer to your system with one cable. If you have invested in a stereo-
only system, integration is also simple thanks to true 24 dB/Oct. low pass filters.

HSU VTF-15H MK2 Specifications

General

Brand	HSU
Model	VTF-15H MK2
Category	Subwoofer
Language	English

Summary

HSU VTF-15H MK2 Subwoofer Features

Variable Tuning Hybrid Technology

Allows users to re-tune ports for five different operating modes, offering flexibility for various room acoustics and playback preferences.

Custom Built Woofers

Woofers designed for flat response and low distortion, delivering clean, detailed bass without boominess.

Powerful BASH Amplifiers

Custom amplifiers providing high headroom, soft clipping, subsonic filtering, adjustable Q, and Class A/B output for high fidelity.

Flexible Room Placement

Front-firing design with smooth finishes allows for versatile placement options, including near walls and in entertainment centers.

System Connectivity

Easily connects to modern AV receivers with Dolby Digital/DTS or stereo systems using a single cable and integrated filters.

Important Safety Instructions

HSU VTF-15H MK2 Setup Guide

Step 1: Unpacking

Instructions for safely unpacking the subwoofer, inspecting for shipping damage, and handling the unit.

Step 2: Placement Guidelines

Guidance on optimal subwoofer placement for best bass quality, including clearance, avoiding room nulls, and corner/nearfield benefits.

Step 3: Hookup Methods

Details on connecting the subwoofer via SUBWOOFER/LFE output, HIGH LEVEL speaker outputs, or PRE-OUTs.

Step 4: Volume Level Adjustment

Guidance on setting the subwoofer's volume level for optimal integration with main speakers, using music or test tones.

Step 5: Crossover Setting

Instructions for setting the crossover frequency to properly blend subwoofer bass with main speakers, based on connection type.

Step 6: Fine Tuning Modes

Explains five hybrid operating modes using port plugs and amplifier switch (EQ1/EQ2) for different bass extension and output preferences.

Setting the Phase

Adjusting the subwoofer's phase switch to achieve smoother bass response in the crossover region with main speakers.

Volume Fine Tuning

Detailed instructions for precise subwoofer level matching using test tones and an SPL meter for optimal integration.

Setting the Q Control

Guidance on adjusting the Q control (0.3-0.7) for specific in-room bass response characteristics and headroom.

Equalizing the Subwoofer

Advice on using equalizers to reduce peaks and prevent potential damage, rather than boosting dips in frequency response.

Enhancing Performance

Suggestions for future performance improvements, such as adding a second subwoofer for increased headroom and flatter response.

Troubleshooting

Warranty and Specifications

HSU Speaker System Limited Warranty

Details the limited warranty period for speaker systems and amplifiers, including exclusions and disclaimers.

Specifications

Technical specifications for the VTF-15H MK2 subwoofer, including frequency response, power, dimensions, and inputs.