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TROUBLE SHOOTING 

PROBLEMS

SOLUTIONS

There doesn´t seem to be any change in the audio 
happening.

Make sure the BYPASS buttons have not been left on.

How is the Mid/Side mode activated?

Simply by pushing the M/S button in the middle section of 
the SYMPH EQ.

I only want to apply 0.5 dB of increase.

 

 How is that 

possible?

Just leave the GAIN pot for that frequency at 0 dB and 
push the +0.5 dB button.

After applying a healthy amount of Low boost I have too 
much Sub now.

This is where those nice High Pass Filters are really 
helpful.

 

Now that I’ve increased a few dBs at 24 kHz, the sound 
has the right clarity but is a bit too strident.

Once again, use a filter. In this case a Low Pass Filter at 
30 kHz should help out.  But do try others as sometimes 
you’d be pleasantly surprised at the results. 

I´m trying to adjust only the MID channel but it doesn’t 
seem to be responding at all.

Remember, in M/S (Mid/Side) mode you must not only 
have the button pushed but also remember that the LEFT 
channel corresponds to the MID and the RIGHT channel 
corresponds to the SIDE signal.

It seems like I can only BOOST signals when what I want 
to do is CUT them.

To change the action from boosting to cutting it is 
necessary to push the CUT button for that channel and 
frequency band.

Exactly how extreme are the Low and High Pass Filters?

The Low and High Pass Filters are 12 dB/Octave (2-Pole).

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For any further doubts or questions please get in contact with us at:  

[email protected]

   

Summary of Contents for SYMPH EQ

Page 1: ...USER MANUAL January 2023 Rev 1 0 STEREO ASYMPTOTIC EQUALIZER RACKMOUNT...

Page 2: ...r this equipment which makes them virtually unobtainable for the great majority Now it s possible to obtain that same sound with a brand new piece that will give you all the problem free heavy duty us...

Page 3: ...rotary switch sets 1dB steps whilst the 0 5 button adds half a dB to the main reading so you ll be able to achieve exactly what you re after The convenient CUT button turns the boost amount into cut t...

Page 4: ...id channel while right side will process the Side channel Once you ve tried Mid Side processing you ll wonder how you ve gone so long without it Keeping in tradition with the majority of the gear prod...

Page 5: ...HIGH PASS FILTER LOW PASS FILTER RESPONSE CURVES 5 FREQUENCY CURVES...

Page 6: ...HIGH SHELF LOW SHELF CURVE EXAMPLES 6...

Page 7: ...7...

Page 8: ...OUNT SWITCH 0 10 dB in 1 dB increments 1 All XLRs are Pin 1 GND Pin 2 Hot Pin 3 Cold 1 2 3 3 2 1 GND Hot Cold MALE XLR FEMALE XLR 2 3 4 5 6 7 8 9 10 11 12 13 14 6 7 8 9 10 LOW FREQUENCY SELECTOR SWITC...

Page 9: ...hes to 6 dB octave This provides the most natural way of monoing the bass content as was intended in the vinyl mastering However if you prefer to keep the response of the Side HPF at the steeper 12 dB...

Page 10: ...W CH 2 INPUT DAW CH 1 OUTPUT CH 2 SYMPH EQ OUTPUT CH 1 SYMPH EQ BP L BP R M S ON TRACK INSERT MID SIDE MONITOR SPEAKERS THUNDERBOLT COMPUTER OUPUTS DAW 1 2 INPUT CH 1 SYMPH EQ INPUT CH 2 SYMPH EQ INPU...

Page 11: ...LINE OUTPUTS LEFT RIGHT LINE INPUTS PROCESSED MIX STEREO MIX DAW LEFT RIGHT LINE OUTPUTS HA 609A LEFT RIGHT LINE INPUTS ON COMPRESSOR LIMITER HA 609 COMPRESSOR LEFT RIGHT LINE OUTPUTS SYMPH EQ LEFT R...

Page 12: ...T LINE OUTPUTS MOTORCITY EQs LEFT RIGHT LINE OUTPUTS MOTORCITY EQs LEFT RIGHT LINE INPUTS ON EQUALIZERS HA 609 COMPRESSOR LEFT RIGHT LINE INPUTS HA 609 COMPRESSOR LEFT RIGHT LINE OUTPUTS SYMPH EQ LEFT...

Page 13: ...Q Flat THD N 50 Hz 20 kHz Less than 0 07 at 20 dBu Frequency response 0 5 dB 15 Hz 30 kHz Input impedance 10 K transformer balanced and floating Output impedance Less than 75 transformer balanced and...

Page 14: ...e again use a filter In this case a Low Pass Filter at 30 kHz should help out But do try others as sometimes you d be pleasantly surprised at the results I m trying to adjust only the MID channel but...

Page 15: ...th a copy of the sales slip or other proof of purchase date The warranty excludes problems due to normal wear abuse shipping damage or failure to use the product in accordance with the specifications...

Page 16: ...RECALL SHEETS 16 Session Title Track Connected Equipment Date Instrument Notes Switch ON Switch OFF Session Title Track Connected Equipment Date Instrument Notes Switch ON Switch OFF...

Page 17: ...www heritageaudio com HERITAGE AUDIO C Alfonso G mez 38 3C 28037 Madrid Spain Tel 34 917 266 189 info heritageaudio com...

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