Especificaciones - Peavey KB/A 30 Operating Manual

23.
INTERRUPTOR DE SELECCIÓN DE VOLTAJE
Los modelos para exportación de este producto están suministrados con un interruptor selector para
220/240 voltios. Antes de operar este equipo, asegúrerse de que el interruptor está ajustado para el
voltage conrrecto. NOTA: La operación de este equipo con un ajuste incorrecto de voltaje puede
causar daño al trans formador o la perdida de potencia.
SECCIÓN DE PREAMPLIFICADOR
Las siguientes especificaciones fueron determinadas a
1 kHz, con el ecualizador maestro configurado plano en
0 dB, todos los conmutadores de ganancia hacia afuera y
los niveles de señales nominales con controles de nivel de
canal configurados de nivel de canal configurados en 10.
CHANNEL ONE INPUTS
Low-Z Input Impedance: 5k ohms
Nominal input Level: -30 dBV, 32 mV RMS
Minimum input Level: -40 dBV, 10 mV RMS
High-Z Input Impedance: 5k ohms
Nominal input level: -30 dBV, 32 mV RMS
Minimum input level: -40 dBV, 10 mV RMS
CHANNEL TWO and CHANNEL THREE INPUTS
Input impedance: 22k ohms
Nominal input level: -21 dBV, 90 mV RMS
Minimum input level: -40 dBV, 10 mV RMS
CHANNEL FOUR INPUT
Input impedance: 10k ohms
Nominal input level: 0 dBV, 1 V RMS
Minimum input level: -25 dBV, 56 mV RMS
EFFECTS PATCH : (STEREO JACK TIP)
Function: Low level effects send
Load impedance: 1k ohms or greater
Nominal output: -10 dBV, 316 mV RMS
PRE EQ PATCH: (STEREO JACK RING)
Function: Low level effects return
Impedance: High-Z, 10k ohms
Input level: -10 dBV, 316 mV RMS
(Switching stereo jack provides patch output to patch input
connection when not used.)
LINE OUTPUT:
Function: High level signal send
Load impedance: 100 ohms or greater
Nominal output: -6 dBV, 0.5V RMS
Maximum output: 18 dBV, 8V RMS
(XLR pin 2 positive/pin 3 negative)
HEADPHONE OUTPUT: (STEREO JACK)
Load impedance: 8 ohms or greater
Nominal output: 100 mW
(Switching jack will disconnect internal speaker when
headphone plug is inserted.)
KB/A ™

30 ESPECIFICACIONES

ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
The following specs measured at nominal setting, all
phone jack inputs terminated with
47k ohms.
FREQUENCY RESPONSE
(Channel input/preamp output at 1 V RMS level)
+0, -3 dB, 20 Hz to 20 kHz
PREAMP DISTORTION
(Channel in/preamp out, 20 Hz to 20 kHz at
1 V RMS)
Less than .05% THD, typically below .01%
PREAMP HUM AND NOISE
Greater than -95 dBV
CHANNEL EQUALIZATION
±15 dB at 80 Hz and 10 kHz, shelving
POWER AMPLIFIER SECTION
POWER AT CLIPPING (TYPICALLY)
40 W RMS into 8 ohms/low channel
10 W RMS into 8 ohms/high channel
(Both channels driven, 5% THD, 3.5 kHz,
120 V AC Line)
TOTAL HARMONIC DISTORTION
Less than 0.3%, 30 W RMS/low
channel into 8 ohms, 50 Hz to 2 kHz
Less than 0.3%, 7 W RMS/high
channel into 8 ohms, 5 kHz to 20 kHz
(Typically below 0.2%)
FREQUENCY RESPONSE
+0,-1 dB, @ 30 W RMS/low channel into
8 ohms, 50 Hz to 2 kHz
+0,-1 dB, @ 7 W RMS/high channel into
8 ohms, 5 kHz to 20 kHz
HUM and NOISE
Greater than 90 dB below rated power
POWER CONSUMPTION (DOMESTIC)
100 W at 120 V AC, 50/60 Hz
CROSSOVER
Fixed, 18 dB/octave, 3.5 kHz crossover
frequency
12