Sv sound As-eq1 User manual

SV Sound, LLC

AS-EQ1 Operator Manual

SV Sound, LLC

• SVS AS-EQ1 subwoofer EQ with detachable faceplate.

• Quick start guide

• Installation software CD (Operator Manual, Installation software, CutePDF Writer,

SVS desktop pack).

• 10’ USB cable.

• Matched Audyssey calibration microphone.

• Isolated AC/DC power supply1.

• Mono mini-jack pass through cable.

• Rubber isolation feet.

• Rack ears.

* Optional SVS audio interconnect shown • 1.) Elementech Power Supply, part no: AU1241202g

What’s in the Box*

FIG. 1

AS-EQ1 Operator Manual

SV Sound, LLC

Safety Instructions 4

Introduction 6

About this Manual 8

Installing the SubEQ GUI and AS-EQ1 Manual on your PC 9

Connecting the AS-EQ1 to your Audio System 11

Calibrating the AS-EQ1 in your Listening Environment 13

Integrate the AS-EQ1 with your Auto EQ Receiver or Pre/Pro 14

Channel Conguration 18

Level Matching 19

Measuring your Subwoofer(s) 23

Detection Results Entry into AVR or Pre/Pro 25

Save Results to AS-EQ1 27

Create HTML Certicate Document 29

Appendix A – Why EQ? 30

Terms and Conditions 34

Table of Contents

AS-EQ1 Operator Manual

SV Sound, LLC

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus

(including ampliﬁers) that produce heat.

9. Do not defeat the safety purpose of any polarized or grounding-type plug. A polarized plug has two

blades with one wider than the other. A grounding type plug has two prongs and a third grounding

point. The wide blade or the third prong are provided for your safety. If the provided plug does not ﬁt

into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles,

and the point where they exit from the apparatus.

11. Only use attachments/accessories speciﬁed by the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or table speciﬁed by the manufacturer, or sold with the

apparatus. When a cart is used use caution when moving the cart/apparatus combination to avoid

injury from tip-over.

Important Safety Instructions

FIG. 2

AS-EQ1 Operator Manual

SV Sound, LLC

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualiﬁed service personnel. Servicing is required when the apparatus has been

damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects

have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate

normally, or has been dropped.

15. WARNING: To reduce the risk of ﬁre or electric shock, this apparatus should not be exposed to rain or

moisture and objects ﬁlled with liquids, such as vases, should not be placed on this apparatus.

16. To completely disconnect this equipment from the mains, disconnect the power supply cord plug from

the receptacle.

17. The mains plug of the power supply cord shall remain readily operable.

Important Safety Instructions

FIG. 3

AS-EQ1 Operator Manual

SV Sound, LLC

Introduction

Audio lovers, perfect bass is ﬁnally possible, easy, and downright fun to achieve. Your AV receiver invest-

ment is solidiﬁed since the AS-EQ1 is compatible with any sort you have. Your bass needs are covered no

matter what your current or future room looks like. Switch one on, run setup, and you won’t ever switch it

off. Harness the power and reﬁnement of your system, and take the room out of the equation, ﬁnally.

AS-EQ1 Features

•Driven by an advanced Digital Signal Processor (DSP) using sophisticated Audyssey®customized

room-correction algorithms

• Utilizes Adaptive Low Frequency CorrectionTM technology (ALFC) from Audyssey LaboratoriesTM the most

advanced bass calibration method available to consumers today

• Performs analysis in both frequency and time domain, for superior artifact-free bass adapted for your room

• Dual subwoofer processing for better blending and integration with main channels

• FIR ﬁlters to avoid time/phase distortion inherent with IIR ﬁlters for superior bass clarity

• Corrects bass for an incredible 32 positions in horizontal and vertical space to cover any listening area

• Heavy-duty steel chassis with SVS’s magnetically-retained CNC’d aluminum face-plate

• Twin sub in, twin out, with multiple configuration modes. Mains level calibration signal output jack

• Easy-to-use laptop PC graphical user interface (GUI) and CD operating software with operator manual

• Dedicated Audyssey microphone and AV receiver external calibration pass thru cables included

• High quality, isolated 12V. power supply, and USB cable included

• On-line SVS tech support page for easy software updates, upgrades and news

• Power and unit status LEDs

• Front-panel easy access for calibration microphone and USB connection

• Final test and assembly in SVS’s Ohio headquarters

AS-EQ1 Operator Manual

SV Sound, LLC

Introduction

SVS AS-EQ1 Features:

FIG. 4

AS-EQ1 Operator Manual

SV Sound, LLC

About This Manual

This document is intended to provide you with all the information necessary to properly install and integrate

the SVS AS-EQ1 into your audio environment. After installing the Sub EQ GUI on your personal computer

and properly attaching the AS-EQ1 to your Audio Video Receiver (AVR) or Preamp/Processor (Pre/Pro), you

will be able to quickly step through a small number of tasks designed to equalize your subwoofer(s) in your

listening environment. This manual will discuss each task in detail and discuss what you should see at the

conclusion of each task.

When referencing the AS-EQ1 in this manual, we are referring to the hardware device that integrates into

your audio system. When referencing Sub EQ in this manual, we are referring to the software GUI that

runs on your PC to facilitate calibrating your AS-EQ1 to your listening environment.

In addition to the information contained in this manual, you will also ﬁnd directed workﬂow reminders in

the Sub EQ GUI to insure the steps contained in each task are performed in the proper sequence.

NOTE:

It is strongly recommended you read through

this manual in its entirety before installing and setting up the

AS-EQ1 to insure understanding of what each task is intended

to accomplish, and to make the actual activity of equalizing

your subwoofer(s) a simple and straightforward exercise. You

will also ﬁnd helpful tips and techniques in this manual that

are not found in the GUI for reasons of space.

AS-EQ1 Operator Manual

SV Sound, LLC

To install the Sub EQ GUI on your computer system, insert the CD that came with your AS-EQ1 into your

CD drive on the computer you will be using to conﬁgure the AS-EQ1. If the drive has been conﬁgured for

“AutoRun”, the installer should automatically run. If not, browse the drive in which the Sub EQ installation

CD resides and double click on Setup.exe

When the installer runs, you will see the following Screen:

Installing the Sub EQ GUI on your PC

FIG. 5

FIG. 6

AS-EQ1 Operator Manual

SV Sound, LLC

Select the “Install Audyssey SubEQ” option, and follow the steps in the install program as to where to place

the program. The SubEQ program will be installed on your system and be available through your Start - >

All Programs -> Audyssey Labs folder if the defaults are accepted. If you would like shortcuts on your Win-

dows Desktop for SubEQ and the AS-EQ1 Operator Manual, you can simply drag a copy from the Start - > All

Programs -> Audyssey Labs folder.

After installing the software on your PC, you can start the Sub EQ application from this Install screen by

clicking on Launch Sub EQ Application, or from the Start - > All Programs -> Audyssey Labs folder.

To exit the setup process, select Exit.

To Uninstall Sub EQ from your system, go to:

My Computer - > Control Panel -> Add or Remove Programs - > Audyssey Sub EQ and select for removal.

To install the AS-EQ1 Operator Manual on your PC, simply copy the ﬁle SVS_AS_EQ1OperatorManual.pdf

from the Installation CD to the desired location on your PC.

Installing the SubEQ GUI and AS-EQ1 Manual on your PC

AS-EQ1 Operator Manual

SV Sound, LLC

The AS-EQ1 is designed to connect between your AVR or “Pre/Pro” (Pre-amp/Processor) and your subwoofer(s)

so that after calibration, the AS-EQ1 can apply the necessary corrections to “ﬂatten” the response of bass

in your listening environment.

As shown below, the AS-EQ1 has two subwoofer Inputs labeled A and B and two subwoofer Outputs labeled

A and B on the back panel. You’ll also notice an Output connector marked Sat Center/Left we’ll reference later

in the calibration process.

The AS-EQ1 handles three different subwoofer conﬁgurations: (see Fig. 7 above and Fig. 8 on the next page)

1. A single subwoofer. If you have one subwoofer in your system (or co-located subs and you want to equalize

them as a single subwoofer), attach the subwoofer pre-out from your AVR or Pre/Pro to the Sub A input.

Take the cable formerly run from your AVR or Pre/Pro to your subwoofer and connect to the AS-EQ1 Sub A Output.

2. Two subs driven from one output. This is the most common conﬁguration when running multiple subs.

You may have taken the subwoofer pre-out from your AVR or Pre/Pro and run it through a “Y” connector

to split the signal in two; one for each of your subwoofers. In this case, remove the Y splitter and

attach the subwoofer pre-out to the Sub A input on the AS-EQ1. Connect one of your subs to the

Sub A output and the other to the Sub B output on your AS-EQ1.

3. Two subwoofers driven from two outputs. If you use discrete subwoofer or LFE outputs on your AVR or

Pre/Pro (or have two different systems with a subwoofer in each) and want the signals to be treated

individually, attach one of the outputs to the Sub A Input and the other output to the Sub B Input on the

ASEQ1. Take the cables from the subwoofers that were formerly attached to theAVR or Pre/Pro and

connect them to the Sub A and Sub B Outputs on the ASEQ1.

Connecting the AS-EQ1 to Your Audio System

FIG. 7

AS-EQ1 Operator Manual

SV Sound, LLC

Connecting the AS-EQ1 to Your Audio System

AS-EQ1 Connection for Day-to-Day Operation

FIG. 8

AS-EQ1 Operator Manual

SV Sound, LLC

Once you have the AS-EQ1 connected to your AVR or Pre/Pro and subwoofer(s), you are ready to step through

the calibration tasks to set up your room EQ. Although the AS-EQ1 Calibration process is very straightforward,

you should allow yourself an hour or so to comfortably complete the activity for the ﬁrst time.

Connect your PC to the AS-EQ1 using the supplied USB cable, power on the AS-EQ1 using the on/off switch

on the back panel, allow your PC to recognize the AS-EQ1, then start the Sub EQ GUI (note that if you start

the Sub EQ GUI before connecting the AS-EQ1 via USB, Sub EQ will not recognize the AS-EQ1 is attached.

Terminate and restart Sub EQ to force device recognition).

You should see the following Screen on your display:

Select “Start Sub EQ Calibration” to begin stepping through the tasks that will lead to a calibrated AS-EQ1.

The following pages will detail each task and what you should expect to see after successfully completing

the task. In addition, you will ﬁnd an abbreviated set of workﬂow steps located in the left sidebar of the Sub

EQ GUI to help you with step-by-step activities when calibrating your subwoofer(s).

Calibrating the AS-EQ1 in Your Listening Environment

FIG. 9

AS-EQ1 Operator Manual

SV Sound, LLC

Calibrating the AS-EQ1 in Your Listening Environment

TASK:

Integrate the AS-EQ1 with your Auto EQ Receiver or Pre/Pro

NOTE:

If your AVR or Pre/Pro does not have Auto EQ capability (or you have chosen not to use it) you

can skip this Task and proceed to the next Task, “Channel Conﬁguration”

The AS-EQ1 is designed to integrate with any Auto EQ system that may be part of your AVR or Pre/Pro.

NOTE:

If you use the Auto EQ feature of your AVR or Pre/Pro to EQ your listening environment, you

MUST perform this step ﬁrst. If you do not, your AVR or Pre/Pro and the AS-EQ1 will both apply EQ correction

ﬁles to the subwoofer, which will result in poor subwoofer sound/performance.

FIG. 10

AS-EQ1 Operator Manual

SV Sound, LLC

Calibrating the AS-EQ1 in Your Listening Environment

Your EQ-equipped AVR or Pre/Pro normally handles the full frequency range of your system which includes

the subwoofer and main speakers. The AS-EQ1 is designed to handle the lower frequencies where your

subwoofer(s) operate, and apply its own, more sophisticated correction ﬁlters in the place of that provided

by your AVR or Pre/Pro. This task will effectively set your AVR or Pre/Pro to equalize only the main (and

Satellite) speakers in your system so the AS-EQ1 can assume the EQ of the subwoofers and not have any

overlap of EQ ﬁlters in your system. (see Fig. 11 below and Fig. 12 on page 17)

1. Carefully remove the front panel of your AS-EQ1. It is attached magnetically and should pull off easily.

2. Take the Calibration Microphone from your AVR or Pre/Pro (NOT the Calibration Microphone from the

AS-EQ1) and plug it into the Pass-through Mic In jack located on the front of the AS-EQ1. (see Fig. 12)

3. Locate the calibration microphone “patch cable” that came with your AS-EQ1 (1/8” mono male connectors

on each end). Plug one end into the AS-EQ1’s Passthrough Mic Out jack, and the other end into the

Calibration Microphone input jack on your AVR or Pre/Pro.

4. On the Sub EQ GUI running on your PC, make sure the “On” Radio Button has been checked on the Auto

EQ Assist screen (Note: Navigating away from this screen (forward or back), exiting the Sub EQ GUI, or

powering off the AS-EQ1device will turn external calibration mode to Off).

5. Calibrate the AVR or Pre/Pro as directed by its owner’s manual. Note: Your subwoofer will be “detected”

during the AVR’s calibration process although you will hear no sound from the sub.

FIG. 11

AS-EQ1 Operator Manual

SV Sound, LLC

6. After completing the calibration of your AVR or Pre/Pro, remove its Calibration Microphone along with

the calibration microphone patch cable from the AS-EQ1 and your AVR or Pre/Pro.

7. At this time, your AVR or Pre/Pro and the AS-EQ1 are integrated properly. Click on the Sub EQ GUI to

continue to the next Task, “Channel Conﬁguration”.

The External Calibration task allows the AS-EQ1 to intercept the calibration tones intended for your subwoofer(s)

from the AVR or Pre/Pro and pass it directly back to the AVR or Pre/Pro. The AVR or Pre/Pro then interprets the re-

sponse from the subwoofer as ﬂat, and as a consequence, no correction ﬁlters are assigned for the subwoofer(s).

The calibration of the Main/Satellite speakers are unaffected within the AVR or Pre/Pro using this process, and

this insures only the AS-EQ1 will be handling the EQ of the subwoofers in actual system operation.

Calibrating the AS-EQ1 in Your Listening Environment

Capturing Intended Calibration Tones

AS-EQ1 Operator Manual

SV Sound, LLC

Calibrating the AS-EQ1 in Your Listening Environment

AS-EQ1 Conﬁguration for Auto EQ Task

FIG. 12

AS-EQ1 Operator Manual

SV Sound, LLC

Calibrating the AS-EQ1 in Your Listening Environment

TASK:

Channel Conguration

As mentioned earlier in this manual when discussing connecting the AS-EQ1 to your audio system, there

are three different subwoofer conﬁgurations the AS-EQ1 will support when EQing your listening environ-

ment. Depending on which conﬁguration you have, click the associated Radio Button on this screen then

click the button to continue to the next task “Level Matching”.

NOTE:

FIG. 13

When calibrating your subwoofers later in the process, the AS-EQ1 will treat dual subwoofers as follows:

One IN to two OUT represents dual combined subwoofers. The AS-EQ1 will “ping” Subwoofer A, ping Subwoofer B,

then ping Both Subwoofers. It EQs both subwoofers independently, but will also EQ the combined response and tweak

both subwoofers as needed.

Dual discrete IN to dual discrete OUT represents “stereo bass” (two separate sources of bass). Alternatively, it can

be used to connect two separate systems in the same room if you have that conﬁguration. The AS-EQ1 will ping

Subwoofer A, ping Subwoofer B, EQ Subwoofer A, then EQ Subwoofer B. It will not ping or EQ the combined A+ B.

AS-EQ1 Operator Manual

SV Sound, LLC

Before you can take measurements of your listening environment with the AS-EQ1, you need to insure that

your AVR or Pre/Pro and subwoofer(s) are set up properly before the AS-EQ1 measures your room and creates

its correction ﬁlters. It is important that you read, understand, and follow these instructions to insure the

best possible results during the upcoming Measurement task.

1. Insure the Gain on your subwoofer(s) plate amp is set to the middle of its range.

2. Set the Phase control of your subwoofer(s) to 0 (the AS-EQ1 will adjust each subwoofer to insure proper

phase alignment).

3. Defeat the subwoofer’s built-in lowpass filter (crossover) by use of a defeat switch, or if the sub

woofer has no bypass switch but has an input (sometimes it is labeled “Direct”, “LFE”, or “THX”)

that bypasses the lowpass filter, connect to that input. If it is not possible to bypass the lowpass

ﬁlter, set the ﬁlter knob on the subwoofer to the highest frequency setting.

Calibrating the AS-EQ1 in Your Listening Environment

TASK:

Level Matching

FIG. 14

AS-EQ1 Operator Manual

SV Sound, LLC

Calibrating the AS-EQ1 in Your Listening Environment

4. Attach the Calibration Microphone supplied with the AS-EQ1 to the Cal Mic Input on the front of the

AS-EQ1. DO NOT use the microphone supplied with your AVR or Pre/Pro or any other Microphone as it

may produce inaccurate results.

5. Connect the Sat Center/Left Output on the back of the AS-EQ1 to the Left or Center Multi Channel

Analog Input on your AVR or Pre/Pro. Insure that any processing or bass management your AVR or

Pre/Pro may be performing on those inputs is disabled and the appropriate input is selected on your

AVR or Pre/Pro for playing the Level Matching test tone.

During the Calibration process, you will ﬁrst adjust the output of your subwoofer(s) to match your speakers,

and then the AS-EQ1 will EQ your subwoofer(s) and provide you with a new subwoofer channel “Trim”

setting to enter into your AVR or Pre/Pro. To facilitate this, the Sub EQ GUI can function as a calibration tone

generator and a level meter. The subwoofer(s) must be level matched with the speakers before proceeding

to the next step.

To use the Sub EQ GUI to assist in setting your speaker and subwoofer levels, perform the following steps:

(see page 22 Fig. 15 for a graphical connection)

1. Place the AS-EQ1 Calibration Microphone in the main listening position at ear height with its tip pointed

directly at the ceiling.

2. It is important all sources of background noise have been quieted in the room to insure accurate data acquisition.

3. Highlight the “Sat” Channel and click the “Measure” button on the Level Matching screen to begin testing.

4. Adjust the master volume of the AVR or Pre/Pro to the “Reference Calibration Level.” This is typically

“0.0 dB,” but check the AVR or Pre/Pro owners manual, since this is often not the reference level; or

recall how you calibrated to be sure.

5. While measuring the level of the satellite, adjust the trim level (not the master volume) for that speaker

in the AVR’s setup menu/channel level control until it measures 75 dB. The window color will change

from red to green when you are approaching the target level of 75 dB.

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