Most professional producers advise against using such sites. The time lost to a computer virus far outweighs the cost of a $30-50 EQ plugin.

• Use the phase switch to compare your original and processed signals: The phase switch on the Pultec EQ-4 plugin allows you to easily compare your original signal with the processed signal. This can be a great way to hear the effect of the equalizer on your track.
• Use the bypass control to audition your changes: The bypass control on the Pultec EQ-4 plugin allows you to easily audition your changes. This can be a great way to hear the effect of your adjustments on your track.
• Use the Pultec EQ-4 in combination with other plugins: The Pultec EQ-4 plugin can be used in combination with other plugins to achieve a wide range of sounds. Try using it with a compressor or a limiter to create a more polished sound.

Most digital "Pultec Collections" include three specific models modeled after the original hardware by Pulse Techniques: 

Disclaimer: These are community-created resources. For official plugins, check out Universal Audio, Waves, or Analog Obsession (free).

models are famous for a "silky" high-end boost that adds air and presence without becoming harsh. Midrange Sculpting: Units like the