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Usage Notes
Spark Digital requires a powered USB port or Lightning iPad or iPhone connection for proper operation. To perform at its best,
Spark Digital should be plugged directly into a powered USB port, so avoid connecting through USB hubs or other USB multipliers.
With the Focus Control off, Spark Digital delivers a robust timbre that creates a large audio landscape. The bump in the top end of the
frequency response chart (shown below left) at 8-12kHz brings definition and clarity, creating a strong presence in your recordings, much
like listening to the recorded signal right next to your ear. A slight increase at the 1 kHz region helps to define the frequencies of the human
voice. A small dip at the 200-400 Hz range helps to smooth out the type of harsh frequencies that often interfere with detailed top end fre-
quencies. The bump in the low end of the frequency response around 90 Hz emphasizes the upper portion of the low end, creating a tighter,
punchier sound. With Focus Control on, the ultra-low frequencies below 100 Hz are rolled off to provide a sonic platform that accepts basic
audio processing such as compression and EQ. The end result is a recorded signal that will easily sit in a track or your final mix, like a lead
vocal that is clearly audible and sitting well in the mix of a rock & roll or pop type of track.
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These charts are only a starting point for
the sound provided. How the microphone
reacts in a particular application will differ
greatly because of manyvariables, like
room acoustics, distance from sound
source (proximity), tuning of instruments,
mic cabling and other factors. For more
tips on miking and recording techniques,
check out the Blue website.
As shown in the polar pattern (right),
Spark Digital utilizes a cardioid pattern,
meaning it only picks up the sound that
is directly in front of the microphone and
rejects the sound at the sides and rear of
the microphone. This is very useful when
recording while other instruments or sound
sources are present, as the microphone
will pick up only the sound source that is
in front of it and allow you to isolate the
desired sound you wish to capture. When
using Spark Digital to record a single sound
source, the mic’s cardioid pattern will help
eliminate unwanted room ambiance often
captured with omnidirectional microphones
or microphones with wider patterns that can
make your recordings sound unprofessional.
The end result is a clear and present
recording, just like a professional studio.