Keyboard - Bottom at 80Hz to 120Hz; body
at 240Hz; presence at 2k5Hz.
Bass guitar - Bottom at 60Hz to 80Hz;
attack/pluck at 700Hz to 1kHz;
string noise / pop at 2kHz to 3kHz.
Electric guitar - Fullness at 240Hz; bite at
2kHz to 3kHz
Acoustic guitar - Bottom boom at 80-120Hz;
body at 240Hz; clarity at 2k5Hz to 5kHz.
Horns - Fullness at 120 to 240Hz; shrill at
5kHz to 8kHz.
Strings - Fullness at 240Hz;
scratchiness at 7k5Hz to 10kHz
Kick Drum - Depth at 60 to 80Hz; click attack
at 2k5Hz to 8kHz
Snare Drum - Fullness at 250Hz;
attack/crack at 5kHz
Hi-hat and cymbals - Gong at 200Hz; shim-
mer at 8kHz to 15Hz;
Air at 20 to 32kHz;
Use High Pass Filter at 140Hz to remove kick
drum middiness and bleed through.
Rack toms - Fat at 200 to 250Hz;
crack at 5kHz
Floor toms - Fullness at 80 to 120Hz; attack
at 5kHz
Conga/Bongo - Resonance at 200Hz to
240Hz; presence/slap at 5kHz
FAQs
Page 39Avalon Vt-737sp Operation Manual
7.0 FAQs
The following are answers to Frequently
Asked Questions about the Vt-737sp:
Q: Can I use the Vt-737sp as an insert for
compression and EQ?
A: Yes. The Vt-737sp is perfect as an insert of a
recorded signal such as vocals, guitars, key-
boards, acoustic piano, drums, etc. Many engi-
neers use their Vt-737sp on their most import-
ant track during mixdown.
Q: How often will I need to change the
tubes?
A: The vacuum tubes on the Vt-737sp are mili-
tary spec tubes rated for over 5,000 hours.
Avalon recommends changing the tubes
approximately every 2 years or so on a unit that
is used regularly. Avalon recommends that you
replace tubes with exact make and model of the
tubes that Avalon specifies. You may purchase
a spare set of tubes for your Vt-737sp directly
from Avalon.
Q: What is the difference between the
Vt-737sp and the Vt-747sp?
A: The Vt-737sp is a mono Mic, Line, and
Instrument level preamplifier with compressor
and parametric equalizer. It is great for record-
ing one channel at a time and for mixdown on
the most important channel.
The Vt-737sp is a dedicated stereo line level
compressor and graphic equalizer. It has no
microphone preamplifier. The Vt-747sp is great
for stereo keyboards, synthesizers, drum
machines, stereo submix or mix buss applica-
tions and mastering.
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