Hughes & Kettner RED BOX 5 User Manual

ampliers. However, the speaker output, ideally with a loudspeaker connected,
will provide better tone because solid-state power amps also inuence speakers’
frequency response.
Technical Specifications
Input: Unbalanced ¼" (6.3 mm) jack
0 dB:
Impedance 10 kΩ
Max. input gain (+9 V battery) +10 dBV
Max. input gain (+48 V phantom power) +18 dBV
-26 dB:
Impedance 4.5 kΩ
Max. input gain (+9 V battery) +36 dBV
Max input gain (+48 V phantom power) +44 dBV
XLR Out: electronically balanced / microphone level
All specications refer to +9 V battery operation.
1 = GND / 2 = + / 3 = - :
Impedance balanced = 880 Ω
0 dB position:
Nominal level @ 0 dBV -22 dBV / 500 Hz
Maximum level @ +10 dBV -12 dBV / 500 Hz
-26 dB position:
Nominal level @ +26 dBV (50W/8 Ω) -22 dBV / 500 Hz
1 = GND / 2 = + / 3 =GND:
Impedance balanced 440 Ω
0 dB position:
Nominal level @ 0 dBV -28 dBV / 500 Hz
Maximum level @ +10 dBV -18 dBV / 500 Hz
-26 dB position:
Nominal level @ +26 dBV (50W/ 8Ω) = -28 dBV / 500 Hz
Power supply:
External power pack 9-15V AC or 9-24V DC
minimum 10 mA phantom power
Via Balanced Out: 48 V DC
Battery: 9 V
Power consumption: 2 mA/9 V - 3 mA/48 V
Ambient temperature range: 0 to 35 degrees centigrade
Dimensions: 113 x 38 x 60 mm
Weight: 200 grams
Hughes & Kettner
Wendelinuspark • Tritschlerstraße 3 • 66606 St. Wendel, Germany
Phone: +49 - (0) 68 51 - 905 0 • Fax: +49 - (0) 68 51 - 905 100
www.hughes - and-kettner.com

Hughes & Kettner RED BOX 5 Specifications

Input Specifications

unbalanced input impedance	10 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 dB	4.5 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

XLR out impedance balanced	880 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 dB	440 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

external power pack voltage range	9-15V AC or 9-24V DC
minimum phantom power	10 mA
balanced out phantom power	48 V DC
battery voltage	9 V
power consumption at 9 V	2 mA
power consumption at 48 V	3 mA

Environmental Specifications

ambient temperature range	0 to 35 degrees centigrade

Physical Specifications

dimensions	113 x 38 x 60 mm
weight	200 grams