Cogo min na ka subwoofer active ani passive sugandi so kɔnɔ sinema kama

Bi an bɛna kuma kumakanfɔlan kan min bɛ mankanw bɔ minnu ka dɔgɔn kosɛbɛ so kɔnɔ sinema-sistɛm kɔnɔ – subwoofer. An bɛna kuma minɛnw suguyaw n’u ka fɛɛrɛw kan, ka misaliw ɲɛfɔ minnu ye ɲɛtaa sɔrɔ kosɛbɛ, ka cikanw tila ɲɔgɔn na, ka ɲɛsin subwoofer dɔ sirili ma, a labɛncogo ma, ani hali ka a lajɛ i yɛrɛ ma.

Subwoofer: hakilina ni kuntilenna min bɛ so kɔnɔ sinema na

Subwoofer ye minɛn ye min bɛ mankanw Bɔ minnu ka dɔgɔn kosɛbɛ – k’a Bɔ 5 Hz la (o kɔrɔ ye ko infrasound fana b’o la). O waati kelen na, a tɛ kulu yɛrɛmahɔrɔnyalen ye, nka a bɛ fɔlifɛnw dafa.

Nɔti! Mankan minnu ka dɔgɔ, olu tɛ sigiyɔrɔmako ye, o kɔrɔ ye ko a ka gɛlɛn ka mankan bɔyɔrɔ dɔn tulo fɛ. O siratigɛ la, stɛriyɔmu min bɛ sira caman fɛ, an b’a ɲini aw fɛ aw ka woofer kelen dɔrɔn de sigi. O labɛncogo sugandilen bɛna yɔrɔ lakana ani ka dɔ bɔ kumakanfɔlan musaka bɛɛ lajɛlen na k’a sɔrɔ a ma mankan ɲuman saraka. Subwooferw, i n’a fɔ sariya, olu bɛ kɛ o stɛriyɔmuw kɔnɔ minnu dabɔra filimuw lajɛ kama minnu falen bɛ fɛn kɛrɛnkɛrɛnnenw na; ka fara bi dɔnkiliw lamɛn kan minnu falen bɛ basi la. O de kosɔn, an bɛ mankan dɔ sɔrɔ min ka bon kosɛbɛ ani min bɛ kɛ tiɲɛ na.

Sub suguya minnu bɛ kɛ so kɔnɔ sinemasow la

Ka ɲɛsin odio frequency amplifier ma, wooferw bɛ tila ka kɛ active ani passive ye.

1. Subwoofer min bɛ baara Kɛ, n’a bɛ Weele fana ko woofer, o bɛ danfara Bɔ ni fanga-fɔli-minɛn dɔ ye min bɛ Dòn a kɔnɔ ani crossover min bɛ baara Kɛ. O kɔrɔ ye ko a bɛ minɛn minnu Sɔrɔ u dan na, a bɛ olu Fàra ɲɔgɔn kan. O subwoofer sugu bɛ ni layini bɔli ni dontaw ye, wa a bɛ se ka taamasiyɛn sɔrɔ ni frequences (fɔkanw) caman ye minnu tigɛra kaban, o kɔrɔ ye ko line level. O cogo la, filter crossover tɛ mako ɲɛ. Subwoofer minnu bɛ baara la, olu fanba fana bɛ ni sugandi wɛrɛw ye walasa ka u yɛrɛ ladamu ka kɛɲɛ ni u cogoyaw ye.
2. O kɔfɛ, kumakanfɔlan min tɛ baara kɛ, o tɛ ni fanga bonyalan ye. Ani a bɛ jɛgɛn ni kɛnɛma amplifier walima stereo kumakanfɔlanba ye paralɛli la. O ɲɔgɔnna sɛgɛsɛgɛli nafa fɔlɔ ye doni wɛrɛ ye bɔli-fɔlifɛnw kan, o min bɛ dɔ bɔ mankan bɛɛ lajɛlen tansiyɔn na tuma dɔw la. O kɔ fɛ, passive crossover min bɛ sira kan ka Bɔ amplifier (fɔlikanfɔlan) la ka Taa kumakanfɔlanba la, o fana bɛ nɔ jugu Blà fɔlifɛnw na. Subwoofer min tɛ baara kɛ, o bɛ “demand” ka sigi, wa a tɛ se ka tuning dɛmɛnanw sɔrɔ.

Amplificateur ka kan ka fanga sɔrɔ kɛmɛsarada la 10-15 la ka tɛmɛ subwoofer passif kan fanga fɔlen na (ka fara kumakanfɔlaw kan).

Kɛrɛnkɛrɛnnenya la, an ka kan ka an janto minnu na

Ni an bɛ subwoofer sugandi, an b’an janto minɛn in ka fɛɛrɛ jɔnjɔnw na:

1. minnu nafa ka bon kosɛbɛ , olu dɔ ye frequency range ye . Bɔli fanga bɛ tila cogoya la ka Kɛ octave damadɔ ye, n’o ye deep bass (20 – 40 Hz), medium (40 – 80 Hz) ani high (80 – 160 Hz) ye. O waati kelen na, modɛli fanba ka yɔrɔ janya ye 40 – 200 Hz ye. Frequences minnu bɛ bɔ 5 Hz la olu bɛ modeli kelen dɔrɔn de lasegin.
2. Paramɛtiri nata ye mankan tansiyɔnba ye , o kɔrɔ ye ko subwoofer ka mankan hakɛ min ka bon.

A ka di ka dɔn. Mɔgɔ bɛ hakɛ min faamuya min ka dɔgɔn, o bɛ wele ko mɛnni dakun. A nafa ye 0 dB ye. A ka ca ni tɔw bɛɛ ye, o ye dimi hakɛ ye – 120 dB.

1. Subwoofer ka sensitivity ye mankan tansiyɔn cɛmancɛ hakɛ ni 1 W fanga ni 1 m janya hakɛ ye.A ka c’a la, ni sensitivity value (dB) ka bon, kumakanfɔlan mankan bɛ ɲɛ.
2. Crossover ka caya . Yan an b’a Faamu ko taamaʃyɛn dakun bɛ Kɛ cogo min na. Misali la, ni crossover frequency ye 90 Hz ye, o tuma na, signal components (fɔkan) yɔrɔ minnu ka frequency (fɔkan hakɛ) bɛ 20 – 90 Hz (fɔkan hakɛ) la olu bɛɛ bɛ Di subwoofer (fɔkanfɔlan) ma, o cogo la, signal (fɔkan) min ka frequence (fɔkan) bɛ sanfɛ nafa kofɔlen na, o bɛ Ci kumakanfɔlaw kunbabaw ma.
3. subwoofer cɛmancɛ . Subwoofer (subwoofer) dakun dilanni fana bɛ minɛn in ka mankan cogoya jira kosɛbɛ. Subwoofer dynamique bass kunkolo dilancogo suguya 3 bɛ yen – bandpass, closed ani phase inverter. A suguya kelen-kelen bɛɛ n’a nafaw n’a nafa dɔw bɛɛ b’a la.

Bamako,
Mali.

Sugandili sariyaw

A bɛna kɛ i n’a fɔ ni subwoofer sɔngɔ ka gɛlɛn ani ni a ka bon, o ka fisa. Nka sugandili tɛ ye o cogo la. Ni an bɛ kuma sugandili sariyaw kan, a nafa ka bon ka jateminɛ kɛ subwoofer baara kun n’a yɔrɔ la.

Ka subwoofer sugandi so kɔnɔ

Ni aw bɛ subwoofer sugandi ka fara so kɔnɔ sinema kan, aw bɛ so bonya jateminɛ. N’an bɛ kuma so jɔnjɔn dɔ kan, \u200b\u200byɔrɔ hakɛ danmadɔ ye mɛtɛrɛkare 15 – 20 ye. m., kumakanfɔlan min bɛ bɔ layini kelen na ni DC sitɛmu bɛɛ ye, o bɛnnen don kosɛbɛ. A ka c’a la nin ye subwoofer ye min cɛmancɛ ye 8 – 10 ye. Ni baara ye ka kumakan fɔ boonba dɔ kan, ka bɔ 40 sq. m, a ka ɲi ka minɛn caman san. Subwoofer bonya fana nafa ka bon. A bɛ se ka kɛ i n’a fɔ a bɛ kɛ kabako ye dɔɔnin, nka frequence range (fɔkan hakɛ) hertz labanw de bɛna musaka caman bɔ. O la, ka mankan tansiyɔn bɛnnen dɔ da soba kɔnɔ, o bɛna musaka caman bɔ. Nka, bɔnɛ ye a ye, o tɛ se ka kɛ tuma bɛɛ. O kɔ fɛ an bɛ sub in Sìgi yɔrɔ min na a tɛna Dòn sen kɔrɔ, ka sariya dɔw jateminɛ. O kɔrɔ ye ko:

1. Walasa ka basi caman sɔrɔ, an b’a bila doni-ta-kogo kɛrɛfɛ, walasa mankan ka nɔgɔn kosɛbɛ – so kɔfɛ.
2. An bɛ subwoofer ni fasa inverter (fasa inverter) Lamaga kogo la ni santimɛtɛrɛ 20-30 ye.
3. Aw kana kumakanfɔlan bila kogo finman, finɛtiri, kɛrɛfɛlan, a ɲɔgɔnnaw kɛrɛfɛ. Ni subwoofer bɛ baara la, o yɔrɔ suguw bɛna yɛrɛyɛrɛ, o bɛna nɔgɔ dɔw fara mankan kan.

Jɛɲɔgɔnya

Subwoofer (subwoofer) ɲɔgɔndan taabolo la, sariya siratigɛ la, foyi gɛlɛn tɛ yen. An bɛ jɛ ni sistɛmu ye cogo saba dɔ la kelen na. An ka u kelen-kelen bɛɛ jateminɛ.

1. Sugandili fɔlɔ, min ka nɔgɔn ani min ka ca kosɛbɛ, o ye ka low-frequency effects channel (LFE walima Low Frequency Effect) siri DC minɛbaga la. A bɛnnen don AV minɛbaga bɛɛ ma, ka fara amplifier (fɔlikɛlan) kan min bɔli danfaralen bɛ subwoofer (subwoofer) kama. An bɛ baara kɛ ni subwoofer kabɔli ye walasa ka ɲɔgɔn sɔrɔ. Donda ni bɔli bɛ Kɛ nin cogo in na: jatebɔlan kan, a ka c’a la “SUB OUT” walima “Subwoofer Out”; ka ɲɛsin sub – “LFE INPUT”, “LINE IN” ma. O kɔfɛ aw kana ɲinɛ ka minɛn in don fiɲɛbɔyɔrɔ la min ka surun aw la. Ni ɲɔgɔndan wajibiyalen kelen dɔrɔn de bɛ sɔrɔ jaabilan kan, ani ni aw mago bɛ minɛn caman ɲɔgɔndan na, an b’a ɲini aw fɛ aw ka baara kɛ ni subwoofer kabɔli ye min bɛ i n’a fɔ Y.
2. Ni dontaw ni bɔli minnu kofɔlen dòn san fɛ, olu tɛ minɛnw kan minnu bɛ yen, an bɛ dɔw Лini, wa an bɛ ɲɔgɔn Jὲ ni sugandi fla minnu bɛ duguma olu dɔ la kelen ye.

Sinema so jɛɲɔgɔnya[/jaabi]

Paramɛtiri

Subwoofer in sigili kɔfɛ, ka fara a sirili kan ni signal source ani réseau ye, an bɛ taa minɛnw sigili la. Aw bɛ nin paramɛtiriw lajɛ ani ni a mago bɛ u la, aw bɛ olu ladilan:

• Ni filter high-pass (HPF) regulator bɛ yen, an bɛ a hakɛ dantigɛ min bɛ se ka kɛ – a ka c’a la 120 Hz.
• An bɛ fasa-switch (fasa-switch) Sìgi “0” walima “Normal” kan, regulateur (labɛnbaga) bɛ Kɛ a jɔyɔrɔ dantɛmɛnen na (“0”).
• A ka ɲi ka kumakan hakɛ jateminɛnan bila 1/3 la min ka bon kosɛbɛ.
• Crossover frequency min bɛ fɔ, o ye 80 Hz ye.
• AV minɛbaga kan, “Stereo” sugandi ka kɛ mankan cogoya ye.

So kɔnɔ sinema subwoofer dilancogo

Ni subwoofer barikama mago bɛ so kɔnɔ sinema na, nka wari bɛrɛ tɛ yen walasa k’a san, i yɛrɛ bɛ se ka minɛnw dilan. So kɔnɔ minɛn dɔ kama aw mago bɛna kɛ ninnu na:

• kumakanfɔlan gansan (aw ye Pioneer kumakanfɔlan ta min janya ye santimɛtɛrɛ 10 ye, modɛli TS-W255C; musaka hakɛ danmadɔ ye rubɛ 800 ye);
• kuran dilancogo, misali la, ka bɔ PC kɔrɔ dɔ la (500 W);
• mobili amplifier ni crossover min bɛ a kɔnɔ (Lanzar Heritage);
• mobili subwoofer min sɔngɔ man gɛlɛn;
• kolonw;
• wire minnu bɛ kɛ kumakanfɔlaw ye;
• Fiberboard ka ɲɛsin karamɔgɔ ma (a bonya bɛ fɔ – milimɛtɛrɛ 18);
• penisilini, primer.

An ka taa baara la.

1. An bɛ daminɛ ni kɛsu dilanni ye . O kama, an bɛna baara kɛ ni porogaramu ye min bɛ kɛ ka 3D jira – Sketchup. Dimensions (daɲɛw) jate bɛ Kɛ ni WinISD ye. Bɔli la, an ye kɛsu dɔ sɔrɔ min bɛ i n’a fɔ kubɛ. Kɛrɛ kelen-kelen bɛɛ janya ye santimɛtɛrɛ 35. Port (dakun) in Dabɔra duguma, k’a sɔrɔ bɔli fanga min bɛ Se ka Kɛ o ye 32 Hz ye.
2. O kɔfɛ, an bɛ karamɔgɔ dɔ tigɛ ka bɔ fibreboard la . Fuse bɛ se ka dilan ni neoplene ye, o min bɛ kɛ ni budget ye kosɛbɛ.
3. Fɛn sabanan ye ka kurunbonkarila dɔ dilan. O kama, plastiki jibolisira dɔ min bonya ye milimɛtɛrɛ 110 ye, o tun bɛnnen don an ma kosɛbɛ.
4. O kɔfɛ, an bɛ a karamɔgɔ lajɛ ani k’a nɔrɔ ni jiri kola ɲumanba ye.
5. An bɛ baara kɛ ni kola ni silikoni sigilan ye, an bɛ port min lajɛ ka tɛmɛ, o don a karamɔgɔ kɔnɔ.
6. Aw bɛ dingɛw tigɛ ka u mugumugu.
7. An ye prime kɛ case in na layers caman na. Ani ka penti kɛ a kan ni mobili penti ye.
8. An bɛ taa ɲɛ ka baara kɛ ni kɛsu kɔnɔna ye. An bɛ insulasi ta, ani ni jɔli stapler dɛmɛ ye an bɛ o fɛn siri karamɔgɔ kogow la. O cogo la, an bɛ an yɛrɛ tanga mankan mankan ma kojugu ni an bɛ mankan bɔ.
9. O kɔfɛta laban ye ka kuran, dugukolo filiw, amplifier (fɔlikɛlan) wuli.

O de kosɔn, an bɛ subwoofer ɲumanba sɔrɔ wari dɔɔnin na. O minɛn in musaka bɛ Taa 2,5 ɲɔgɔn na.

Subwoofer bɔcogo ka bɔ so kɔnɔ sinema na walasa ka a dilan

Ni aw ye subwoofer fili walima ka a wuli ni fanga ye, o bɛ se ka filiw tiɲɛ. O bɛna kɛ sababu ye ka mankan dɔ bɔ ni a dabɔra walima ni baarakɛbaliya jugumanba wɛrɛw bɛ yen. Walasa ka gɛlɛya in ɲɛnabɔ, kumakanfɔlan min bɛ fɔ ni kumakan dɔgɔman ye, o bɛna kɛ wajibi ye ka a tigɛ. Parsing (jatebɔ) kɛcogo ye nin ye:

• aw bɛ subwoofer kɛsu tigɛ ka ɲɛ;
• Aw bɛ kumakanfɔlan bɔ karamɔgɔya la.

A bɛna kɛ i n’a fɔ fɛn bɛɛ ka nɔgɔn kosɛbɛ. Nka ni aw bɛ sub dɔ labɔ, a nafa ka bon ka nuances damadɔ jateminɛ.

• subwoofer o subwoofer ka kɛsu bɛ da wuli kosɛbɛ . Firimi dɔw ka kumakanfɔlaw fɛ, kɔfɛ kogo bɛ siri ni juru naani walima duuru ye. Dilanbaga wɛrɛw tɛ dan nin sirilan suguya in dɔrɔn ma, wa u bɛ a yɔrɔw nɔrɔ; walima ka baara kɛ ni sirilan suguya ye “in grooves”. O la, walasa ka kɛsu in tigɛtigɛ, aw bɛ se ka mago don flati misɛnniw ni Phillips viseurw la, n’o ye muru ye min bɛ se ka kola sɔgɔ.

Nɔti! Aw bɛ a da wuli dɔɔni dɔɔni walasa aw kana subwoofer ka filiw ni a kɔnɔfɛn wɛrɛw tiɲɛ.

• kumakanfɔlan min bɛ kɛsu kɔnɔ , o fana bɛ se ka siri ni juruw ni kola ye . Panasonic subwooferw bɛ ni kabali yɔrɔ danfaralen ye. Walasa ka kabaliw dafalen lajɛ, o yɔrɔ bɛ da wuli. A ka ɲi fana ka fotow ta filiw jɔyɔrɔ la subwoofer tigɛcogo danfaralenw na. O bɛna kɔtigɛcogo nɔgɔya kosɛbɛ – sistɛmu ka lajɛ nata.

An jigi b’a kan ko an ka seginnkanni ye dɛmɛ don ka ɲininkaliw bɛɛ ɲɛnabɔ minnu bɛ yen.