Decware TORIIJR Скачать руководство пользователя | Manualshive

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T O R I I J R O W N E R S M A N U A L

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Plug the RED (+) and BLACK (-) probes into the meter and set the meter to read DC
volts on the 2 volt scale.

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Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com

DC

2 VOLT

SCALE

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Содержание TORIIJR

Страница 1: ...T O R I I J R O W N E R S M A N U A L Decware High Fidelity Engineering Co East Peoria IL USA www decware com The Zen Torii Jr Amplifier MANUAL NO 02 REV DATE 09 2015 MODEL TORIIJR...

Страница 2: ...OUTPUT TUBES THAT IT SHIPPED WITH DO NOT USE SUBSTITUTES OR EVEN DIFFERENT QUADS of EL34 s UNLESS you RE BIAS Decware High Fidelity Engineering Co East Peoria IL USA www decware com Have no fear adjus...

Страница 3: ...Channel Source Selector Switch Power Cord Jack 3 amp fuse Hi Lo Speaker Impedance Switch OA3 OA3 EL34 EL34 6922 EL34 EL34 6922 5U4 VOL VOL ON OFF Input Switch Points to Selected RCA Jack Speaker Switc...

Страница 4: ...TORII JR is a 20 watt amplifier slightly smaller than it s bigger brother These changes while sounding like you re getting less may actually be giving you more For example the smaller size makes possi...

Страница 5: ...tals noise coloration and increases sonics and reliability This is the only way to make an amplifier that sounds this transparent You are looking at the entire audio circuit for one channel Silver wir...

Страница 6: ...late and filter the voltage feeding each input stage which effectively decouples it from the power supply for grain free sound Dual Mono 500V F T Power supply rails just like it s big brother the TORI...

Страница 7: ...er switch and wait for tubes to warm up 4 Press Play or lower the tonearm 5 Slowly raise the volume on each channel to the desired listening levels OA3 REGULATION You will notice that the OA3 regulato...

Страница 8: ...voltage drop lowers the gain of the tube and increase the distortion of the tube once that gain window is pushed This results in a different clipping character and overall different sound to the ampl...

Страница 9: ...temporary period of time We grade our factory tube complements so that tubes that chatter are never shipped with the amp but if you buy your own replacements they might do this or even our tubes can d...

Страница 10: ...for your amplifier Anyway when you have a complete set of replacement tubes you can fix 95 of any problems your amp might ever develop over its lifetime To find out if one of the tubes is compromised...

Страница 11: ...dual over many hours is because the heat is not coming from current draw on the power supply but rather from the infra red radiation of the tubes themselves This radiation is absorbed by the black ste...

Страница 12: ...utput transformers that feature a dual output impedance to accommodate different loudspeakers that fall primarily into but not limited only to the typical 4 and 8 ohm speakers Since impedance is refle...

Страница 13: ...t to explore what kinds of differences an after market aka high end power cord can make you start with ours We only make one it s silver and comparable to retail cords costing in excess of the price o...

Страница 14: ...NPUT TUBES The input tube phase inverter in the TORII JR is a 6922 Possible substitutions are a 6DJ8 7DJ8 6N23P In rare cases where high efficiency horn speakers are used and only 5 watts are needed a...

Страница 15: ...lifier TUBE BIASING The TORII JR has an adjustable fixed bias set to 40mA with the EL34 output tubes it shipped with Using anything else may increase the milliamps mA beyond this very critical point s...

Страница 16: ...li amps or more and can handle the inrush of the largish 47uf cap THE BIGGEST change to how your amp sounds will likely be from the input tubes of which there is one for each channel Different brands...

Страница 17: ...nd plug everything into the same outlet when possible do not use power strips try to keep the length of the power cords the same If all else fails you can try lifting the ground on one or more compone...

Страница 18: ...s exceeding ten years of age often get their original purchase price on the used market in the rare event that they get sold SOUND QUALITY The fidelity of the amplifier it s frequency balance pace tra...

Страница 19: ...o sell your amp for any reason the buyer can return the amplifier to us for inspection at which point we can offer to transfer the lifetime warranty to him or her for a reasonable fee If you think you...

Страница 20: ...me with it is almost guaranteed that the new tubes will bias differently than the amplifier s original tubes and will therefor require some adjustment to the bias control to restore the original set p...

Страница 21: ...O W N E R S M A N U A L Plug the RED and BLACK probes into the meter and set the meter to read DC volts on the 2 volt scale Decware High Fidelity Engineering Co East Peoria IL USA www decware com DC...

Страница 22: ...I I J R O W N E R S M A N U A L Some multimeters are auto ranging in which case you would only need to set it to DC voltage Decware High Fidelity Engineering Co East Peoria IL USA www decware com DC...

Страница 23: ...ill see after you remove the 9 pin input tubes that there is a hole in the center of each socket These holes are where you stick the probes from your meter Insert the black probe in the left hand sock...

Страница 24: ...millivolts 0 900 volts If the meter reads 1000 millivolts 1 volt or higher you should turn the bias screw counter clockwise until while trying to reach the ideal figure of 825 millivolts 0 825 volts B...

Страница 25: ...ocess for EACH output tube and will have 4 bias adjustment screws This might seem cool at first however once you have the first tube set to where you want it it changes as you adjust the second tube a...

Страница 26: ...termined by the weakest link in your audio chain On that note congratulations for purchasing a hand made point to point silver wired tube regulated stereo amplifier with bandwidth out to 100KHz as you...

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