SCIENCE Hellhawk 50W Скачать руководство пользователя страница 1 | Manualshive

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Содержание Hellhawk 50W

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Страница 2: ...oost Note the effect of this control is diminished the higher the gain controls are set Treble Adds treble frequencies to both channels when turned clock wise Middle Adds midrange frequencies to both...

Страница 3: ...ive conditions the clean power can be exceeded by tens of watts therefore it is preferable to use speakers whose combine power rating exceeds the clean power rating This topic is up for debate as some...

Страница 4: ...ultimeter probes Black common probe jack Plug in common meter probe here Left red probe jack Plug in probe to monitor left output tube s bias voltage Right probe jack Plug in meter probe to monitor ri...

Страница 5: ...ut tube V4 For the correct bias range you should read between 6L6 37mV to 43mV EL34 31mV to 36mV KT88 31mV to 36mV Anything lower settings will not harm the tubes but anything higher than 41mV and up...

Страница 6: ...sible to see which power tube s is damaged If necessary remove the output tubes to inspect them Remove power cord allow tubes to cool then grab by the plastic base and gently pulling up in a circular...

Страница 7: ...evel with the existing output tube Tip Buy burned in tubes when possible for maximum stability and minimal bias drift To change tubes remove the old tubes and set both bias controls all the way down c...

Страница 8: ...lure 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...

Страница 9: ...rranty The warranty excludes Normal wear and tear worn out tubes jacks cosmetic damage etc Misuse and abuse operating the amp without a speaker connected although the amp has some built in protection...

Страница 10: ...e pressure to avoid scratching If needed dampen the cloth with a little water or use Novus brand plastic polish Avoid harsh alcohol based cleaning products as they may cause the acrylic to bloom Also...

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