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Maag EQ4 vs. NTI EQ3
Old 8th September 2017
  #31
Lives for gear
 
loji's Avatar
Old old thread .. but I have an original (2u) EQ3 WITH TRANSFORMERS for sale in the classifieds.

this unit is confirmed that it has the output transformers, and all stepped switches (super tight tolerances for mastering) ..

the current production Maag EQ4 has dented pots with ~0.5dB steps, this original EQ3 has stepped switches at 0.25dB steps and the vintage transformers.
Old 21st November 2018
  #32
WAD
Gear Maniac
 

Quote:
Originally Posted by loji View Post
Old old thread .. but I have an original (2u) EQ3 WITH TRANSFORMERS for sale in the classifieds.

this unit is confirmed that it has the output transformers, and all stepped switches (super tight tolerances for mastering) ..

the current production Maag EQ4 has dented pots with ~0.5dB steps, this original EQ3 has stepped switches at 0.25dB steps and the vintage transformers.
Quote:
Originally Posted by maagaudio View Post
The EQ3, EQ3-D, EQ4, and new EQ2 do not have transformers. I apologize for not responding to that question originally.
are you sure about those transformers?
Old 25th November 2018
  #33
Lives for gear
 
loji's Avatar
Quote:
Originally Posted by WAD View Post
are you sure about those transformers?
Yup .. 100%

they were made by Condor
Old 26th November 2018
  #34
Gear Head
 
maagaudio's Avatar
 

These Condor transformers do not pass signal and are used to power the unit only. No signal passes through these two transformers. They simply supply the +- voltage for the eq. Hopefully that makes sense.
Old 22nd March 2019
  #35
Gear Maniac
Cool!

Quote:
Originally Posted by Jim Williams View Post
I've seen schematics, pcb's and stuff available on the web if you can solder.
Any hi frequency shelf EQ can be modified into a 40k hz "air band" with usually only one cap change. Just decrease the value about 3 or 4 times from the stock value if it's set to 10k hz. Mount a switch and you too can change frequencies.
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