Apogee Symphony Desktop User’s Guide
3. Channel Icon - Displays the channel type. Analog IN icons display the input type selected from
the Analog Level drop-down.
4. Input Channel Level Meter - displays the digital signal level of the channel. The Analog IN channel
levels are post A/D conversion.
5. Print FX On/Off - Toggle on/off Apogee Channel FX plugins on the Print signal path.
6. Load Print FX - Load and modify Apogee Channel FX plugins on the Print signal path.
For more detailed information about Apogee Channel FX plugins, see here and the Apogee FX User’s
Guide, included in the Symphony Desktop Installer.
Analog IN Channels 1-2
Analog IN channels represent inputs from microphones, instruments and other analog sound sources.
● Analog inputs are routed to software (DAW) inputs 1-2;
● Analog inputs are routed to direct monitoring Mixers 1 & 2;
● Analog inputs may be routed to Optical and Monitor outputs for Standalone operation.
7. Analog Level - choose the analog reference level for Analog inputs 1-2.
● Choose Mic when connecting microphones or direct boxes to the XLR input.
● Choose Inst when connecting a guitar or keyboard, or any high impedance (Hi-Z) instrument
to the 1/4” input (balanced TRS or unbalanced TS).
● Choose +4dBu when connecting “pro” gear with a nominal +4 dBu output level (such as an
external mic pre, compressor, or EQ) to the XLR input.
● Choose -10dBV when connecting “semi-pro”, hi-fi, or musical instrument gear with a nominal
-10dBV dBu output level to the XLR input.
8. Preamp - Choose a Mic preamp
● SD-MP - Symphony mic pre with no emulation processing and a gain range of 0-75 dB.
● AP-66 - based on a vintage Neve 1066 mic preamp section with a gain range of 20-80 dB.
● AP-57 - based on a highly modified Ampex tube mic preamp with a gain range of 0-10.
9. Gain Control - Adjust the gain of the preamp, when Analog Level is set to Mic or Instrument. Gain
Control is hidden when Analog Level is set to +4dBu or -10 dBV line input.
10. Input Settings - Provides options for the various inputs:
● 48V - Enable 48 volt phantom power on the corresponding Analog In channel. Visible only
when Analog Level is set to Mic. Most condenser mics require 48 volt phantom power to
operate.
● Group - Link the Gain Controls (plus Output Level and Gain Link button when present) for
each Analog In channel. Visible only when Analog Level is set to Mic or Instrument. Gain
offsets that exist before grouping channels are preserved.
● Soft Limit - engage Soft Limit on each analog input. Soft Limit is an analog circuit that begins
to attenuate transient peaks at a threshold of -4dBfs, replicating the transient softening of
analog tape.
● Polarity Invert - Invert the polarity of the analog input signal. When a single sound source is
picked up with 2 transducers, inverting the polarity of one transducer results in a fuller sound.
For example, if a drum is captured with a mic on each drumhead, inverting the polarity of one
mic results in a fuller sound with more low end. The same principle applies when capturing an
electric instrument with a miked amp and a direct injection feed.
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