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Hughes & Kettner RED BOX 5 User Manual

Hughes & Kettner RED BOX 5
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Note: Some mixing consoles are not equipped with proper microphone inputs. In
that case, use an adapter. If the inputs are balanced, use stereo ¼” (6.3 mm) jack
plugs because they retain the ability to carry a balanced signal. If balanced inputs
are unavailable, use mono ¼" (6.3 mm) jacks. In both cases, you will have to power
the RED BOX 5 via a battery or optional power pack!
Control features
The RED BOX 5 features the usual Ground Lift switch and Pad switch to adjust input
gain. There are also three sliding switches that provide some unusual sound-shaping
lters. Providing rather more subtle than dramatic EQ, they help you conjure the
sound of your favorite cab. These lters’ action is most evident in slightly overdriven
and heavily distorted lead sounds.
Loose/Tight: „Tight“ gives you a taut, dense tone that’s great for throatier riffs.
„Loose“ conjures an airier, softer sound.
Vintage/Modern: The „Modern“ voicing gives you the bark and honk of modern
speakers, while „Vintage“ yields a warmer, woollier tone associated with old-school
cabs.
Small/Large: „Small“ captures the compressed sound of a small housing; „Large“
gives the you greater girth and added bass of a sizable cabinet.
Ground/Lift: This switch severs the RED BOX 5’s ground circuit to eliminate
humming or buzzing caused by ground loops. As the name suggests, „Lift“ severs
the connection. Tip: If the Ground Lift switch does not eliminate the hum, the amp or
mixer’s ground lift switch may solve the problem. Loud humming can also be caused
by insufcient power to the RED BOX 5. In this case, please check the battery,
power supply or phantom power feed.
0 dB / -26 dB: Your choice of input gain level can make or break your sound. If it’s
too high, you’ll get undesirable distortion. If it’s too low, the noise oor can degrade
your signal. As a rule of thumb, go with „-26 dB“ for speaker signals and „0 dB“ for
line signals. There are some instances where „0 dB“ is the more sensible choice for
speaker signals: The amp’s master volume level determines the speaker’s output
level directly, so of course the signal level drops markedly when you turn the master
volume well down, for example, when you want to record at home at moderate
volume.

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Hughes & Kettner RED BOX 5 Specifications

Input Specifications IconInput Specifications
unbalanced input impedance10 kΩ
maximum input gain (+9 V battery) at 0 dB+10 dBV
maximum input gain (+48 V phantom power) at 0 dB+18 dBV
unbalanced input impedance at -26 dB4.5 kΩ
maximum input gain (+9 V battery) at -26 dB+36 dBV
maximum input gain (+48 V phantom power) at -26 dB+44 dBV
Output Specifications IconOutput Specifications
XLR out impedance balanced880 Ω
0 dB nominal level @ 0 dBV-22 dBV / 500 Hz
0 dB maximum level @ +10 dBV-12 dBV / 500 Hz
-26 dB nominal level @ +26 dBV (50W/8 Ω)-22 dBV / 500 Hz
impedance balanced at -26 dB440 Ω
0 dB nominal level @ 0 dBV at impedance balanced-28 dBV / 500 Hz
0 dB maximum level @ +10 dBV at impedance balanced-18 dBV / 500 Hz
-26 dB nominal level @ +26 dBV (50W/8 Ω) at impedance balanced-28 dBV / 500 Hz
Power Specifications IconPower Specifications
external power pack voltage range9-15V AC or 9-24V DC
minimum phantom power10 mA
balanced out phantom power48 V DC
battery voltage9 V
power consumption at 9 V2 mA
power consumption at 48 V3 mA
Environmental Specifications IconEnvironmental Specifications
ambient temperature range0 to 35 degrees centigrade
Physical Specifications IconPhysical Specifications
dimensions113 x 38 x 60 mm
weight200 grams