Table of Contents
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Table of Contents
Related Manuals for Sunfire MK IV
Summary of Contents for Sunfire MK IV
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Page 2: Safety Instructions
Safety Instructions 1. Read Instructions -– All the safety and operation instructions should be read before the Sunfire Component is operated. 2. Retain Instructions — The safety and operating instructions should be kept for future reference. 3. Heed Warnings — All warnings on the Component and in these operating instructions should be followed. -
Page 3: Table Of Contents
Specifications ... 16 Troubleshooting guide ... 17 Limited warranty ... 19 Service assistance ... 19 To find out more about this and other Sunfire products, please visit our website: www.sunfire.com User's Manual This apparatus does not exceed the Class A/Class B (whichever is applicable) limits... -
Page 4: Introduction
Introduction Dear Friend: Thank you for purchasing my Sunfire True Subwoofer MK IV. I hope you enjoy it and the music it makes as much as I have enjoyed creating it for you. The big breakthrough features of the subwoofer are its uncanny tracking downconverter and its long throw, high back-electromotive force driver. -
Page 5: Overview
Overview Your Sunfire Subwoofer is designed to give you the best possible low-frequency sound quality for your home theater experience. It incorporates a tremen- dously powerful built-in amplifier and a pair of drivers to produce tight, floor- rumbling bass down to 18 Hz, that you can feel as well as hear. -
Page 6: Control Panel Features
Control Panel Features 1. Power/Auto on Indicator This light is bright when the subwoofer is on, and dim when the subwoofer is in its standby mode. This is controlled by the AUTO ON/OFF circuit. The presence of an audio signal turns the unit on. -
Page 7: High Pass Outputs
system or neighbors are disturbed by ultra low bass. 6. High Level Inputs Under normal conditions, the preferred connection is through the Line Level inputs. If this is difficult or not possible in your system, then you can use the High Level inputs. -
Page 8: Installation
To prevent fire or shock, do not expose the unit to rain or moisture. If fluid or a foreign object should enter the unit, immediately turn off the power and contact your Sunfire Dealer. • Avoid excessive exposure to extreme cold or dust. -
Page 9: Connections
Connections Please consider the following when setting up your new system : • Before making or changing any connections, ALWAYS make sure that the subwoofer is unplugged from the wall and your other components are turned OFF. Also turn down the volume control of the subwoofer and your preamplifier or receiver. -
Page 10: Location
Location Your Sunfire Subwoofer is designed to be placed in a corner and this will produce optimum performance. Experiment with at least two corners and then decide which is the best. #1 is very good positioning. #2 is also excellent but may shake the... -
Page 11: System Configurations
System Configurations The following pages show some typical connections that you might make in your installation. They show how the inputs and outputs of the Sunfire Subwoofer are connected to your preamplifier or receiver. Connections to a preamplifier’s subwoofer output... - Page 12 “Top Gun”, for example, has loads of L-R bass information. If this is not preserved, the bass in these scenes sounds anemic. The Sunfire Subwoofer utilizes differential gain on the left and right inputs to retain both the L+R and L-R information.
- Page 13 Using the line level high-pass outputs If you are using a preamplifier which does not have a sub/LFE output, you can send its left and right front output into the subwoofer’s Line Level inputs and then connect the subwoofer’s High-Pass outputs to the inputs of your amplifier.
- Page 14 Using the speaker level inputs If you are using a receiver which does not have a subwoofer output or line level outputs (pre-outs), you can connect its speaker outputs to the subwoofer’s Speaker-Level inputs. The front speakers can still be connected to your receiver.
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Page 15: Adjusting The Controls
Adjusting the controls There are two main methods for adjusting the level, crossover frequency and phase of the Sunfire Subwoofer to match a system: • Bob Carver’s preferred method: By listening and making the adjustments to suit your taste. •... -
Page 16: Specifications
Output levels: Greater than 110 dB peak SPL (includes room gain) from 18 Hz to 80 Hz. A typical Sunfire subwoofer can be expected to ‘best’ its specified minimum peak SPL by several decibels. Total Harmonic Distortion Typically less than 1/10 of the funda- mental between 18 to 80 Hz. -
Page 17: Troubleshooting Guide
Troubleshooting The Sunfire Subwoofer is expertly designed and built to provide years of trouble-free performance. Most problems that occur can usually be solved by checking your setup or making sure that the components connected to the amplifier are on and fully operational. - Page 18 Adding any component such as a subwoofer to an existing system will often give rise to a hum which wasn’t there before. Your first thought may be that the subwoofer has a problem, but this is more than likely caused by a “ground-loop”...
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Page 19: Limited Warranty
Warranty to you, the owner of a new Sunfire product: The Sunfire Corporation Warranty for the Subwoofer MK IV is in effect for TWO years from the date of original retail purchase. The Sunfire Corporation Warranty covers defects in materials and workmanship. - Page 20 Manual part number 913-016-00 Rev D...