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Can ERGO work with two sets of speakers?
Yes, ERGO can switch between A and B speakers via its front-panel controls. Each set of speakers will need to be calibrated and
will have their own correction filters so that when you are comparing or “A/B’ing” a mix, the specific correction for the selected
monitors is engaged.
Can ERGO work in a 2.1 system?
Yes, ERGO will work with and correct 2.1 systems. It will treat the subwoofer as part of the monolithic speaker system.
Can ERGO work in a 5.1 system? Can I use 2 or more ERGOs for this?
No, ERGO is designed for Stereo or 2.1 (Stereo augmented by subwoofer) only.
Is there a way to bypass the Digital to Analog converters on ERGO so I can use another D/A converter?
No, ERGO uses phase accurate FIR filters in both, the correction algorithm and the D/A converters. FIR filters, unlike IIR filters
found in some D/A converters, do not exhibit frequency dependent phase shifts. Since ERGO corrects in both time (phase) and
frequency domains, it is imperative that we know the characteristics of the D/A converter and do not induce unwanted or
variable phase distortions. Hence the reason behind ERGO's architecture.
Does ERGO color/change the character of my monitors?
No, ERGO only corrects it for presentation in your listening space, just as the character of your mix would change if your
environment was acoustically treated. ERGO performs a similar job, but in the digital domain.
What do the different LEDs on the Focus/Global button indicate?
When the button is illuminated ERGO is in Focus mode
When the button is not illuminated ERGO is in Global mode
When you hold the button down for 1 sec ERGO is bypassed, and the LED will flash indicating correction is not used.
Does ERGO use analog or digital volume control?
ERGO uses a digitally controlled analog volume control. This means that the signal to noise ratio of ERGO is constant throughout
the volume setting. This is an expensive method which is far superior to systems that use digital volume control, since digital
volume adjustments actually reduce the signal to noise ratio of the system at lower volumes. ERGO is true and clear throughout
its volume range. The Left to Right matching or balance is also much better than a traditional analog potentiometer.
Does ERGO need external power?
No. If you have a 6-pin or 9-pin Firewire connection ERGO can draw its power directly from the FireWire interface. If using ERGO
in “stand-alone” mode you connect the external power supply provided.
Why does ERGO room correction only affect frequencies below 500Hz?
90% of the main acoustic problems in studio control rooms occur in frequencies below 500Hz. ERGO’s use of RoomPerfect is
designed to specifically correct this area of the freq. spectrum. To fix the remaining 10%, or problems above 500Hz, requires
significantly more processing power because of the timing requirements of processing higher frequency components.
Does ERGO work during tracking, or only during mix down?
ERGO’s room correction should be bypassed during tracking. As with all audio interfaces and processing should be disabled, this
results in the lowest latency when monitoring your performance. After the track is recorded, room correction can be enabled
again.
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