Hola colega, es fácil, al buscar el modelo y las especificaciones tecnicas:
FEATURES
400RB design with active EQ
Distortion circuit for added growl
125W of power
15" woofer
Gallien-Krueger Backline 115 125W 1x15 Combo:
POWER <1% THD: 125W
COOLING: Convection
INPUT SECTION: 1/4 jack, Clip LED, -10dB Pad, Mute Switch and Mute LED
HIGH GAIN (B): "B" LED, Gain and Level Controls
LOW GAIN (A): Level Control
VOICING FILTERS: Adjustable Contour
EQUALIZER: In-Series Four Band Active
OUTPUT: Boost and Master
DIRECT OUT: XLR, Ground Lift and Pre/Post Switches
PATCHING: Send, Return and Tuner Out
SPEAKER OUTPUT: One 1/4" jack
WOOFER: 1xGK-Paragon 15b175-8A, 15", 175W, 8ohm High presence Voice Coil
CONSTRUCTION: MDF Cabinet, Black Carpet, 16 Gauge Steel Grill, Rear-Ported, Tilt-Back Design
WEIGHT: 55 lbs.
DIMENSIONS: 19-1/2"W x 22-1/2"H x 18-3/4"D
Fuente:
http://www.musiciansfriend.com/ampl...er-backline-115-125w-1x15-combo#productDetail
Manual de usuario
http://www.manualslib.com/manual/622379/Gallien-Krueger-Backline-115.html#manual
GALLIEN KRUEGER BL250 210 350
115 600 PREAMP 206 0181 Service Manual
http://elektrotanya.com/gallien_krueger_bl250_210_350_115_600_preamp_206_0181.pdf/download.html
