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1697R Galaxy Head and Combo
User Manual
All contentsc2019 Absara Audio LLC
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1. Important Safety Information
The triangle surrounding an exclamation
mark alerts users to the presence of important warnings or information.
The triangle surrounding a lightning bolt
alerts users to the presence of dangerous
high-voltage within the enclosure of the
product that can pose a significant risk
of electrical shock.
• Read these instructions
• Keep these instructions
• Heed all warnings
• Follow all instructions
• Do not use this apparatus near water
• Clean only with dry cloth
• Do not block any ventilation openings. Install in accordance with the manufacturers
instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
• Do not defeat the safety purpose of the grounding-type plug. A grounding type plug
has two blades and a third grounding prong. The third prong is provided for your
safety. If the provided plug does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
• Only use the attachments/accessories specified by the manufacturer.
• Use only the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use caution when moving the cart/apparatus
combination to avoid injury from tip-over.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the appa-
ratus has been damaged in any way, such as power-supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate normally, or has been dropped.
• To insure proper ventilation always make sure there is at minimum four inches (101.6mm)
of space behind the rear of the apparatus. The ventilation should not be impeded by
covering the ventilation openings with items, such as newspapers, tablecloths, curtains, etc. Do not impede ventilation by placing objects on top of the apparatus which
extend past the rear edge of its cabinet.
• Please contact Supro directly or a qualified person for tube replacement
• The AC plus is the mains disconnect. The plug should remain accessible after instal-
lation.
• WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus
to rain or moisture.
• WARNING: The apparatus shall not be exposed to dripping or splashing and that
objects filled with liquid, such as vases, shall not be placed on apparatus.
• Caution: To reduce the risk of fire or electric shock, do not remove the cover or back
of the product. There are no user serviceable parts inside. Refer service to qualified
personnel.
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Contents
1 Important Safety Information 1
Contents 2
2 Anatomy and Usage 3
2.1 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Speaker Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Footswitches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Effects Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reverb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Tubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Supro Warranty Policy 9
3.1 USA/Canada Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 International Warranty: . . . . . . . . . . . . . . . . . . . . . . . . . 10
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2. Anatomy and Usage
2.1 Front Panel
IN
Instrument input for the amplifier.
VOL
Controls the volume level of Channel 1.
TONE
The TONE control for Channel 1 is a passive Treble / Bass filter. Turning the
knob clockwise decreases bass response, while increasing treble. Turning the knob
counterclockwise decreases treble response, while increasing bass frequencies.
VERB KNOB & LED
Controls the amount of Reverb in the signal path. The LED indicates the status of
the Reverb. The Reverb can be assigned to Channel 1, Channel 2 or BOTH, via a
switch on the rear panel. Note: Reverb is active when LED is lit.
CH1 LED
Lights when Channel 1 is active.
CHANNEL SWITCH
Selects Channel 1 or Channel 2.
CH2 LED
Lights when Channel 2 is active.
BOOST SWITCH & LED
The Switch activates the Boost function. The BOOST function is on when the switch
is in the up position. Boost is active when LED is lit.
LOOP LED
Shows the status of the Effects Loop: Note: Loop is active when LED is lit.
GAIN
Controls the Gain of Channel 2.
MASTER
Controls the volume of Channel 2.
TREB
Controls the level of treble frequencies of Channel 2.
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