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NGRAM 

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NGINEERING

 

 
 
 
 
 

 

 

 

 

 
 
 
 
 
 
 
 

 

 

 
 
 

 

 
 
 
 
 
 
 
 

EQ50 

Equalizer 

 
Owner’s Manual 

Dec 2016 

 

Summary of Contents for EQ50

Page 1: ...INGRAM ENGINEERING EQ50 Equalizer Owner s Manual Dec 2016...

Page 2: ...EQ50 Owner s Manual 12 2016 2...

Page 3: ...10 3 EQ In Bypass Switch 10 4 Setting Audio Levels 10 5 Low Cut Filter 10 6 See Saw Filter 11 7 High Cut Filter 13 8 Using Filters in Combination 14 ELECTRICAL SPECIFICATIONS 17 ENVIRONMENTAL SPECIFI...

Page 4: ...Example Responses 1 kHz Pivot Frequency 12 Figure 6 High Cut Filter Example Responses 13 Figure 7 Filter Plot Settings for Smoothing a Stereo Mix 14 Figure 8 Filter Plot with Subtle High Frequency Re...

Page 5: ...n operate in differential or single ended unbalanced modes A high current cross coupled active output buffer mimics the behavior of a transformer providing constant gain for balanced or unbalanced ope...

Page 6: ...n 400 Hz and 1 kHz See Saw Filter Simultaneously Adjusts High Low Frequencies High Cut Filter Sweepable from 5 kHz to 200 kHz Low Cut Filter Sweepable from 20 Hz to 1 kHz Hardwire Bypass Around EQ Adj...

Page 7: ...ard connector pins follow Pin 1 Chassis Ground Pin 2 Output Balanced Positive Pin 3 No Connection Pin 4 Output Balanced Negative Pin 5 Audio Ground Pin 6 No Connection Pin 7 No Connection Pin 8 Input...

Page 8: ...eat This product should be situated away from heat sources such as radiators or other devices that product heat 7 Power Sources This product should be connected to a power supply only of the type desc...

Page 9: ...mpt 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...

Page 10: ...of the EQ An LED indicates when the EQ is engaged 4 Setting Audio Levels Ideal levels for the EQ50 are 0 dBu nominal at mid frequencies While the EQ50 can accept audio levels up to 20 dBu when the EQ...

Page 11: ...ockwise low frequencies are boosted and high frequencies are cut The filter has approximately linear slope over the entire audio band Max boost and cut are more than 16dB so significant shaping of the...

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

Page 13: ...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 By providing cutoff frequency...

Page 14: ...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 See S...

Page 15: ...ee 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 frequen...

Page 16: ...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 Sa...

Page 17: ...ency Range 20 1000 Hz Stopband Slope 6 dB Octave High Cut Filter Cutoff Frequency Range 5 200 kHz Stopband Slope 6 dB Octave See Saw Filter Pivot Frequency 400 1k Hz Selectable Using Push Button Boost...

Page 18: ...0dBu 4VU is the best nominal audio level to use with the 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 au...

Page 19: ...of submission for warranty work 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...

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...

Page 21: ...s required to obtain warranty repairs This is your sole warranty Ingram Engineering does not authorize any third party including any dealer or sales representative to assume any liability on behalf of...

Page 22: ..._______________________________________ _____________________________________________________________ _____________________________________________________________ ____________________________________...

Page 23: ...ucts and or documents or to discontinue any product at any time without notice The product specifications contained herein are subject to change Ingram Engineering assumes no responsibility for inaccu...

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