De Salvo GC1275 User manual
USER’S MANUAL
USER’S MANUAL
MANUALE UTENTE
MANUALE UTENTE
A product of:
THE DESALVO NAME AND LOGO ARE AREGISTERED TRADEMARKS OF PROEL S.p.A.
Il produttore si riserva il diritto di apportare senza preavviso cambiamenti e modifiche estetiche, funzionali o di
design a ciascun proprio prodotto.
The manufacturer reserves the right to make any aesthetic, functional or design modification to this product
without prior notice.
GC 1275
Guitar Amplifier
User Instructions
Congratulations on your choice of the GC 1275. This manual is designed to explain the features, controls and
functions of the GC 1275. It contains important information that will aid the user to make the best use of this
versatile amplifier and find his or her personal sound. It also contains important precautions to avoid damage
to the unit or other connected devices, and to avoid danger to the user. Please read it thoroughly before using
the amplifier, and keep it for future reference.
IMPORTANT SAFETY INSTRUCTIONS
WARNING - When using electrical products, basic precautions should be followed, including the following:
1. Read all the instructions before using the product.
2. Do not use this product near water for example, near a bathtub, washbowl, kitchen sink, in a wet
basement or near a swimming pool, or the like.
3. If used imprudently, this product may cause permanent hearing loss. Do not operate for long periods of
time at high volume level or at any level that is uncomfortable. If you experience any hearing loss or
ringing in the ears, you should consult an audiologist.
4. The product should be located so that its location or position does not interfere with its proper ventilation.
5. The product should be located away from heat sources such as radiators, heat registers, or other products
that produce heat.
6. The product should be connected to a power supply of the type described in the operating instructions or
as marked on the product.
7. The power supply cord of the product should be unplugged from the outlet when left unused for a long
period of time.
8. Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through
openings.
9. The product should be serviced by qualified personnel when:
a. The power supply cord or the plug has been damaged; or
b. Objects have fallen, or liquid has been spilled into the product: or
c. The product has been exposed to rain or moisture: or
d. The product does not appear to operate normally or exhibits a marked change in performance: or
e. The product has been dropped, or the enclosure damaged.
10. Do not attempt to service the product. All servicing should be referred to qualified service personnel.
11. For continued protection against the risk of fire, replace fuses only with those of the same type and rating
as indicated on the back of the product.
WARNINGS USED ON THE EQUIPMENT
The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the
user to the presence of uninsulated 'dangerous voltage' within this product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock.
FRONT PANEL FEATURES
1. INPUT: This is for the connection with the output of your instrument.
2. GAIN: This controls the level of distortion in the Boost channel.
3. SHAPE: This adjusts the curve of the frequencies that will be emphasized in the harmonic distortion of the Boost
channel. Rotated completely counter-clockwise, the mid frequencies are emphasized while the highs and lows are
attenuated, creating a “closed” sound for rhythm guitar playing. Rotated completely clockwise, this attenuates the mid
frequencies and increases the low and high frequencies, creating a sound typical of hard-rock guitar.
4. LEVEL (Boost Channel): This sets the level of the signal sent from the Boost channel to the output amplification.
5. CHANNEL SELECTOR: This selector switches between the Normal and Boost channels.
6. LEVEL (Normal Channel): This sets the level of the signal sent from the Normal channel to the output amplification.
7. TREBLE: This controls the high frequencies of the Normal channel.
8. MIDDLE: This active control allows you to increase or decrease the middle frequencies of the Normal channel.
9. BASS: This controls the low frequencies of the Normal channel.
10. REVERB: This controls the amount of reverb applied to the overall signal.
11. PHONES: This is for the output to any headphone with at least 8S impedance. When this is used, the internal loud
speaker is deactivated. The signal is sent to both sides of stereo headphones.
12. POWER: Turns the Amplifier on and off.
REAR PANEL FEATURES
13. MAINS CONNECTOR: This is for the connection to the included power cable. The Mains fuse is contained in the
compartment incorporated into this connector.
14. EXTERNAL SPEAKER: This output is for the connection to an external speaker with a minimum impedance of 4
Ohms.
15. REVERB FOOTSWITCH: This is for the connection of a 1-way footswitch (not included) with a 1/4” Mono Jack
connector. Such a footswitch will allow you to insert or remove the Reverb from the signal.
16. CHANNEL FOOTSWITCH: This is for the connection of a 1-way footswitch (not included) with a 1/4” Mono Jack
connector. Such a footswitch will allow you to switch between the Normal and Boost Channels.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operating and maintenance (servicing) instructions in the literature accompanying this
product.
GROUNDING INSTRUCTIONS
This product must be grounded (earthed). If it should malfunction or breakdown, grounding provides a
path of least resistance for electric current to reduce the risk of electric shock. This product is equipped with
a supply cord having an equipment grounding conductor and a grounding plug. The plug must be plugged
into an appropriate outlet that is properly installed and grounded in accordance with the local codes and
ordinances.
DANGER - Improper connection of the equipment grounding conductor can result in a risk of electric shock.
Check with a qualified electrician or serviceman if you are in doubt as to whether the product is properly
grounded. Do not modify the plug provided with the product if it will not fit the outlet, have a proper outlet
fitted.
SPECIFICATIONS
Output Power: 75 Watts RMS @ 4S
Frequency Response: 90 Hz - 8kHz
Internal Speaker: 12”, 4S
Input Impedance: 1MS
Power Supply: 230V AC / 50Hz
Dimensions: 470 x 470 x 237mm
Weight: 11.8 Kg
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