1. Manuals
  2. Brands
  3. Ingram Engineering Manuals
  4. Stereo Equalizer
  5. EQ50
  6. Owner's manual

Ingram Engineering EQ50 Owner's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
I
E
NGRAM
NGINEERING
EQ50
Equalizer
Owner's Manual
Dec 2016

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EQ50 and is the answer not in the manual?

Questions and answers

Related Manuals for Ingram Engineering EQ50

Summary of Contents for Ingram Engineering EQ50

  • Page 1 NGRAM NGINEERING EQ50 Equalizer Owner’s Manual Dec 2016...
  • Page 2 EQ50 Owner’s Manual 12/2016...

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION FRONT PANEL FEATURES EDGE CONNECTOR PIN ASSIGNMENTS SAFETY INSTRUCTIONS INSTRUCTIONS FOR USE Installing the EQ50 in a Rack Module Warm Up EQ In (Bypass Switch) Setting Audio Levels Low Cut Filter See-Saw Filter High Cut Filter...
  • Page 4 EQ50 Owner’s Manual Table of Figures Figure 1: Front Panel Features Figure 2: Edge Connector Pin Assignments Figure 3: Low Cut Filter Example Responses Figure 4: See-Saw Filter Example Responses, 400 Hz Pivot Frequency Figure 5: See-Saw Filter Example Responses, 1 kHz Pivot Frequency...

  • Page 5: Introduction

    EQ50 Owner’s Manual INTRODUCTION Welcome, and congratulations on your interest in the EQ50 Equalizer! It has been crafted to provide extremely high quality audio and a simple user interface that requires minimal effort to optimize. The EQ50 contains extremely versatile and musical sounding high pass, low pass and see- saw filters with a simple and intuitive user interface.

  • Page 6: Front Panel Features

    EQ50 Owner’s Manual FRONT PANEL FEATURES Hardwire Bypass Around EQ Low Cut Filter Sweepable from 20 Hz to 1 kHz Pivot Frequency Switchable Between 400 Hz and 1 kHz Adjusting the Knob See-Saw Filter Clockwise Boosts Highs Simultaneously Adjusts / Cuts Lows...

  • Page 7: Edge Connector Pin Assignments

    EQ50 Owner’s Manual EDGE CONNECTOR PIN ASSIGNMENTS Power, ground and audio signal interface to the EQ50 is through the edge card connector at the rear of the module. Assignments of the edge card connector pins follow: Pin 1 Chassis Ground...

  • Page 8: Safety Instructions

    EQ50 Owner’s Manual SAFETY INSTRUCTIONS 1. Read Instructions All the safety and operation instructions should be read before this product is operated. 2. Retain Instructions The safety and operating instructions should be kept for future reference. 3. Heed Warnings All warnings on the product and in these operating instructions should be followed.
  • Page 9 10. Servicing The user should not attempt to service this product beyond those means described in this operating manual. All other servicing should be referred to the Ingram Engineering Service Department. Warning – To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture.

  • Page 10: Instructions For Use

    +20 dB gain when adjusted to its extremes, so it is good practice to set the EQ50 input levels to 0 dBu. The Low Cut and High Cut filters only attenuate the signal, so gain added by these filters will not be a factor in setting levels.

  • Page 11: See-Saw Filter

    EQ50 Owner’s Manual Figure 3: Low Cut Filter Example Responses 6. See-Saw Filter The See-Saw Filter provides simultaneous cut of one frequency band while boosting another band. When the adjustment knob is turned fully clockwise, high frequencies are boosted and low frequencies are cut. When the adjustment knob is turned fully count- clockwise, low frequencies are boosted and high frequencies are cut.

  • Page 12: Figure 4: See-Saw Filter Example Responses, 400 Hz Pivot Frequency

    EQ50 Owner’s Manual Figure 4: See-Saw Filter Example Responses, 400 Hz Pivot Frequency Figure 5: See-Saw Filter Example Responses, 1 kHz Pivot Frequency 12/2016...

  • Page 13: High Cut Filter

    EQ50 Owner’s Manual 7. High Cut Filter The High Cut Filter is a passive filter that provides gentle -6dB / octave cut to frequencies above that indicated on the knob. The cutoff frequency adjustment range is very wide, and extends from 5 kHz to >200 kHz. By using a low order -6dB/octave filter, minimal phase shift of the signal is realized.

  • Page 14: Using Filters In Combination

    EQ50 Owner’s Manual 8. Using Filters in Combination The following plots show examples applications of the three filters, used in combination. Settings are noted for each. Smooth a stereo mix during mastering: Low Cut frequency = 35 Hz, See-Saw = -0.5, High Cut frequency = 35 kHz.

  • Page 15: Figure 8: Filter Plot With Subtle High Frequency Restoration Settings

    EQ50 Owner’s Manual Subtle high frequency restoration: Low Cut frequency = 20 Hz, See-Saw = +0.5, High Cut frequency = 70 kHz. See-Saw pivot frequency = 1 kHz Figure 8: Filter Plot with Subtle High Frequency Restoration Settings Compressor sidechain filter, triggering on mid-lows: Low Cut frequency = 100 Hz, See-Saw = -2, High Cut frequency = 15 kHz.

  • Page 16: Figure 10: Filter Plot With Compressor Sidechain Filter Settings, High Trigger Frequency

    EQ50 Owner’s Manual Compressor sidechain filter, triggering on high frequencies: Low Cut frequency = 1 kHz, See-Saw = +1, High Cut frequency = 45 kHz. See-Saw pivot frequency = 400 Hz Figure 10: Filter Plot with Compressor Sidechain Filter Settings, High Trigger Frequency Presence boost: Low Cut frequency = 35 Hz, See-Saw = +0.75, High Cut frequency...

  • Page 17: Electrical Specifications

    EQ50 Owner’s Manual ELECTRICAL SPECIFICATIONS =+25°C unless otherwise noted) Parameter Unit Comments k Ω Input Impedance Differential Ω Output Impedance Differential Gain EQ Engaged, Diff Input Max Input Level With <0.5% THD ±3.0 dB, Equalizer On with Flat Frequency Response >250k...

  • Page 18: Care And Maintenance

    EQ50. The See-Saw filter can realize nearly 20 dB gain when adjusted to its extremes. If EQ50 input levels exceed 0dBu, it is possible that the audio is being distorted if extreme See-Saw filter settings are being used.

  • Page 19: Contact Information

    Failure to register the product will not void the three year warranty. Service and repairs of Ingram Engineering products are to be performed only at the factory OR at an authorized Ingram Engineering Service Center. Unauthorized service, repairs, or modification will void this warranty.
  • Page 20 Ingram Engineering product is still covered by the Three Year Limited Warranty. Make sure the problem can be duplicated. If you bring your Ingram Engineering product to an Authorized Service Center and they can’t find anything wrong with it, you may be charged a service fee.
  • Page 21 Ingram Engineering to any location within the boundaries of the USA. Ingram Engineering warrants all repairs performed for 90 days or for the remainder of the warranty period. This warranty does not extend to damage resulting from improper installation, misuse, neglect or abuse, or to exterior appearance.

  • Page 22: Eq50 Equalizer Recall Sheet

    EQ50 Owner’s Manual EQ50 EQUALIZER RECALL SHEET Notes _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________...
  • Page 23 Tel: +1 (678) 685-9838 Ingram Engineering makes no warranty of any kind with respect to the material in this document and shall not be liable for errors contained herein or for incidental or consequential damages related to the use of the material.

Table of Contents