Yamaha g100 115 410 412 service manual

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YAMAHA

G700,-775,-4 70,-412 Guiiar Amplifiers

SERVICE MANUAL

,LSM»28R1 CD 13 @ Printed in Japan 475

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6700175 I5/= 7025
5700-410 (5/= 1025
5700 (5/: 1025-

SPECIFICATIONS

6100-115 6100-410 6100-412

OUTPUT POWE R

100 Watts RMS @ 7% THD into 8 ohms

SPEAKERSv Single 15 (38cm) Four 10" (2.5ch Four 12" (30cm)
Yamaha JA~3802 Yamaha JA-2556 Yamaha JA-3055
High, -37.8dBm (IOmVl; Low, -31.8dBm (20mV) @ 1kHz

SENSITIVITY

(Volume 8: Tone Controls at max.)

INPUT IMPEDANCE

High, 1Mohm; Low, 13Dkohms

RECORD OUTPUT

+4dBm nominal. +31 .2dBm max. For BOO-ohm unbalanced lines

NOISE -42dBm (Volume Control at min.)
REVERE Accmronis, spring-type
TREMOLO Modulation depth, 0-80%; Speed, 2-20Hz
INPUTS lvhigh gain 8: How gain; HIGH and LOW may be used simultaneously,
thereby providing equal gain.
CONTROLS Power switch, plus the following continuously variable controls: VOLUME,

BASS, MIDDLE. TREBLE, BRIGHT, DISTORTION, REVERB, TREMOLO
SPEED, TREMOLO INTENSITY, PRE-SET VOLUME

FOOT SWITCH JACKS

PRE-SET VOLUME, TREMOLO. REVERB, DISTORTION

POWER REQUIREMENTS

110, 117, 130, 220 or 240VAC, 50/60Hz, 117V 2A (Canadian model),
250W (other models)

DIMENSIONS 27%" (703ch x2314" 27%"(70.8cm)x29A" 27%"(70.8cm]x34%"
(W x H x D) l59.7cm)x9%"(25cml l75,2cm)x9%"l25cm) (B7.2cmlx9%"l25cml
WEIGHT 68.3 lbs. (31kg) 72.8 lbs. (33kg) 88.2 lbs. (40kg)
FINISH Black leatherette, reinforced corners

Specifications sub/act ta change without notice,