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Getting Started; Preflight Checklist - Black Box HG-2 User Manual

Vacuum tube microphone preamplifier / d.i. analog design
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GETTING STARTED

Always put preamp in "standby" for at least 20 seconds before turning on.
This will greatly increase the life of the tube.
Make sure output is turned down before powering unit on. This will avoid
any pops and is just good practice.
With the unit on and volume down, switch the "LC" selector and each mini
toggle through each position a few times. This will charge the capacitors and
avoid pops during your session. You will know they are charged when the VU
meter stops jumping as you switch back and forth (a little is ok).
Make sure both "boost/tone" switches are in the middle "off" position.
We put the sonic possibilities and character above everything else! Most
companies will make sure a product is "idiot proof" even at the expense of the
sound. We refuse to do that and feel that capturing the richest sound is worth
the small trade offs or extra care needed when using the unit.
• Your preamp is capable of an incredible range of tones and accordingly,
not all of them will be good! Just like a guitar amp, the flexibility to control
your tone gives you the ability to find settings that are less than pleasing.
Essentially, we are putting a lot of control in your hands, including the ability
to get distortion and lots of other fun artifacts. Enjoy it!
• The "tone" boost switches are designed to be used one at a time with the
"triode boost" switch being the master. Regardless of the position of the
"Pentode boost" switch, engaging the "triode boost" switch will automatically
disengage it.
6
PRE FLIGHT CHECKLIST!
Things you should know!
To avoid "Why isn't my pre working properly?"
A N A LO G D E S I G N

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