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If a fuse blows, it's a good thing! Fuses are put in place for safety and to protect the most 

expensive parts of the amplifier. Fuses can blow for various reasons, however the most 
common is a output tube failure. To check if a fuse is blown, push and twist counter-clockwise 

to remove the fuse holder and see if the small wire inside the glass is broken. There may also 
be a burnt area the inside of the glass.

If you replace a fuse, and it blows again, there is likely a  more serious problem. Please contact 

us before changing the fuse again at 

[email protected]

 so we can further assist you with 

the trouble-shooting. 

Safety

Always use a 3-prong cable into a grounded outlet. This makes sure the amplifier is 

always grounded and safe in the rare occurrence the chassis should become "live" 
(electrified).

Tubes become very hot during normal operation. Allow them to cool before handling 
to prevent burns.

Never change tubes with the amplifier ON.

Always make sure the amp's vents are open, allowing heat to escape and air to flow 

freely.

Keep the amp away from moisture, and never put any beverages on top of the amplifier,

no matter how convenient it may seem!

Only change fuses with the amp unplugged from the wall!

There are potentially lethal voltages present inside the amplifier. Do not open the 
amplifier chassis unless authorized and are a qualified technician.

Limited Lifetime Warranty

Science Amplifiers are warranted to be free from defects in workmanship for the lifetime of 

the original owner. Electronic components such as capacitors, resistors, transformers, jacks, 
and potentiometers are warranted for 5 years (not including tubes, see below). Any part 

determined defective by Science Amplification within the 5 year period shall be repaired or 
replaced by Science Amplification without charge for parts and labor provided the unit is 

returned and transportation costs prepaid. Science Amplification will pay return shipping 
costs to the original owner. Any unauthorized repair, modification, or tampering voids this 

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Страница 1: ...1...

Страница 2: ...ore distortion and saturation on tap Clean Gain Adjusts the overall gain of the Clean channel While this is the Clean channel turning the gain control up will result in subtle to a crunchy driven tone...

Страница 3: ...o heat up before applying high voltage in Play mode Leave in this mode for 30 seconds to a 1 minute before switching into Play mode Standby can also be used to mute the amplifier while leaving the tub...

Страница 4: ...cabs This configuration is not supported because there is not 2 ohm tap on the Decolonizer s output transformer Effects Loop The Decolonizer s tube effects loop is designed to work ideally with instr...

Страница 5: ...o make an adjustment slightly loosen the outer locking nut Note The 4 output tubes work in pairs the left bias control adjust the bias voltage for V1 and V2 while the right control adjusts the bias vo...

Страница 6: ...are store Here s the cheapest we ve found on the web which is totally sufficient for the job http www harborfreight com 7 function digital multimeter 90899 html With a speaker cabinet plugged in turn...

Страница 7: ...he least amount of hum If adjustment is necessary first loosen the outer lock nuts on the bias adjustments Make move the control with a flat head screwdriver a guitar pick works well too while monitor...

Страница 8: ...art on pg 12 Push down and gently twist remove the aluminum shields over the preamp etc tubes To remove tubes gently pull upward using a very slight circular motion if necessary When re inserting a pr...

Страница 9: ...tube life or imminent failure Lower settings may have less bass but will extend tube life Higher settings may sound better but tube life will decrease slightly It is also possible to imbalance the tu...

Страница 10: ...nge tubes with the amplifier ON Always make sure the amp s vents are open allowing heat to escape and air to flow freely Keep the amp away from moisture and never put any beverages on top of the ampli...

Страница 11: ...rts express com docs warranty eminence manufacturer warranty pdf If you think you have a speaker problem please contact us first For warranty service please email info scienceamps com for return autho...

Страница 12: ...ake sure they are tight These screws secure the chassis to the head cabinet and also insure contact to the aluminum RF shielding plate inside the cabinet If possible move the amplifier when the tubes...

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