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Infinity IRS Epsilon Owner's Manual

Infinity irs epsilon audio system owner's manual
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Owner's manual IRS EPSILON
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 11797
REV 0 03/2001

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Summary of Contents for Infinity IRS Epsilon

  • Page 1 Owner's manual IRS EPSILON Infinity Systems, Inc 250 Crossways Park Dr. Woodbury, New York 11797 REV 0 03/2001...

  • Page 2: Table Of Contents

    Epsilon Table of Contents SPECIFICATIONS ............3 QUICK-CONNECT GUIDE FOR BALANCED INPUTS .

  • Page 3: Specifications

    * Not including spiked feet. Add approximately 2” for locking ring, spiked feet and cover. Total: 61¾”H IMPORTANT NOTICE There are two versions of the IRS Epsilon system The following part numbers were changed to reflect this: EPSILON LOUDSPEAKER (Early) - IF30003...

  • Page 4: Quick-Connect Guide For Balanced Inputs

    Epsilon Quick-Connect Guide for Balanced Inputs...
  • Page 5 Epsilon Quick-Connect Guide for Balanced Inputs...

  • Page 6: Quick-Connect Guide For Unbalanced Inputs

    Epsilon Epsilon Loudspeaker Quick-Connect Guide for Unbalanced Inputs...
  • Page 7 Epsilon Epsilon Loudspeaker Quick-Connect Guide for Unbalanced Inputs...

  • Page 8: Set-Up Overview

    Epsilon Set-Up Overview OVERVIEW This manual provides information about unpacking, locating, connecting, and using your Epsilon System. The sections about System Configuration, Amplifiers and Other System Components, and Loudspeaker Placement come before the Unpacking instructions. This is because we want you to have a clear view of the system as a whole before you begin to think about the details of connecting and using your Epsilon System.

  • Page 9: Amplifier And Other System Components

    Epsilon Amplifier and Other System Components AMPLIFIERS AND OTHER SYSTEM COMPONENTS Overall Component Quality Your Epsilon System is one of the finest loudspeaker systems ever made. You and your Epsilons deserve supporting audio components of the highest quality. Audio systems are highly synergistic - excellent sound quality in any one component can raise the overall performance of the other components connected to it, while poorer quality can seem to diminish the overall result more than you would expect.

  • Page 10: Loudspeaker Setup

    Epsilon Loudspeaker Set-up Maximum power As a practical matter, there is no upper limit on the power of the amplifiers you can use with the Epsilon System. If you always listen at moderate levels, you can easily end up with amplifier power you never use. If you often listen at concert levels or beyond, then high power amplifiers (250W/ch and more) yield immediate dividends in dynamic range and clarity.

  • Page 11: Amplifier-Loudspeaker Connections

    Epsilon Amplifier-Loudspeaker Connections Remove the four screws and the access panel from each Epsilon and place them out of the way. Observe that the battery snaps are female and male, and mate with the battery compartment snaps of the opposite sex. Place one 9V battery into each battery compartment by inserting the snap-top of the battery into the upper end of the compartment.

  • Page 12: Epsilon Servo Control (Scu) Unit Connections

    Epsilon Epsilon Servo Control Unit (SCU) Connections Regardless of the phase combination, always connect the woofer amplifiers as described below: Woofer amplifier to Epsilon LOW PASS (woofer) terminals Connect the “+” terminal of the left channel woofer amplifier to the red LOW PASS terminal of the left Epsilon (the speaker to your left as you face them from the listening position).

  • Page 13: Epsilon Scu Setup

    Epsilon Epsilon SCU Set-up The fuse protrudes from the rear of the voltage selector plug. Remove it to check its rating. To change the voltage selector, pull the gray selector plug out of the fuse block, turn it so that the correct voltage marking is up, and plug the selector back into the fuse block.

  • Page 14: First Time Power Up And Use

    Epsilon First-Time Power-up and Use It is also basic to system operation that the gains of the two amplifiers (woofer and mid/high) that drive an Epsilon’s two sections be the same, or be adjustable to be the same, within 6dB if possible. The SCU’s front panel bass level control enables you to adjust the level of the low frequency section to achieve satisfactory tonal balance between the two sections.

  • Page 15: Maintenance, Trouble Shooting And Things To Avoid

    Epsilon Maintenance, Trouble Shooting and Things to Avoid Power-up sequence Turn on the system in sequence from signal sources to preamp to SCU to amplifiers, keeping the amplifiers for last. Turn the amplifiers on one channel or stereo amplifier at a time, and wait for each to stabilize before turning on the next. This procedure gives you time to immediately turn off the amplifier in question, if there is any unusual or loud noise resulting from incorrect connections or control settings, before damage can occur.

  • Page 16: Troubleshooting/Balanced Connection Notes

    Epsilon Troubleshooting/Balanced Connection Notes Damaged power cord If the power cord or one of its molded terminals is damaged, cut, has loose pins, an exposed wire or a missing ground pin, replace it at once with an equivalent cord. The SCU’s “IEC” power cord is a type commonly used with computers and electronic instruments, and is widely available.

  • Page 17: Balanced Connection Notes/Amplifier Gain Measurement

    Epsilon Balanced Connection Notes/Amplifier Gain Measurement Many electronic products, however, follow no convention about signal polarity; some invert phase, and some don’t. If you care about absolute polarity, many test CDs include impulse signals which are unipolar, that is, they are only positive-going when referenced to ground.
  • Page 18 Epsilon Balanced Connection Notes/Amplifier Gain Measurement (Cont.) Setting amplifier gains: • If every amplifier has a level control, adjust each so that the amplifier has a gain of 27dB. • If none of the amplifiers has a level control, and the woofer amp and the mid/high amp gains differ by more than 6dB, then you will need an external level control for the amp with the highest gain.

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