Tube Screamer: Nws yog dab tsi thiab nws tau tsim li cas?

los ntawm Joost Nusselder | Hloov tshiab ntawm:  Tej zaum 3, 2022

Ib txwm yog qhov kawg guitar iav & kev dag?

Sau npe yuav THE ntawv xov xwm rau aspiring guitarists

Peb tsuas yog siv koj li email chaw nyob rau peb tsab ntawv xov xwm thiab hwm koj tus kheej

nyob zoo kuv nyiam tsim cov ntsiab lus pub dawb uas muaj cov lus qhia rau kuv cov neeg nyeem, koj. Kuv tsis lees txais kev txhawb nqa them nyiaj, kuv lub tswv yim yog kuv tus kheej, tab sis yog tias koj pom kuv cov lus pom zoo muaj txiaj ntsig thiab koj mus yuav yam koj nyiam los ntawm ib qho ntawm kuv cov kev sib txuas, kuv tuaj yeem khwv tau nyiaj tsis muaj nqi ntxiv rau koj. Xav paub ntau ntxiv

cov ibanz Tube Screamer yog guitar pab overdrive pedal, ua los ntawm Ibanez. Lub pedal muaj ib tug yam ntxwv nruab nrab-boosted suab nrov nrog blues players. Lub "legendary" Tube Screamer tau siv los ntawm cov kws ntaus suab paj nruag xws li Stevie Ray Vaughan los tsim lawv lub suab kos npe, thiab yog ib qho nrov tshaj plaws thiab feem ntau theej overdrive pedals.

Tube Screamer yog qhov nrov guitar cuam tshuam pedal uas tau siv los txhawb lub teeb liab thiab ntxiv qhov nce rau lub guitar. Nws tau tsim los ntawm ib tus kws ntaus suab paj nruag Asmeskas, hu ua Bradshaw, hauv xyoo 1970. Tube Screamer tau siv los ntawm ntau tus kws ntaus nkauj nto moo, suav nrog Stevie Ray Vaughan, Eric Clapton, thiab David Gilmour.

Tab sis nws tau txais nws lub npe li cas? Cia peb kawm!

Dab tsi yog lub raj qws

Ibanez TS9 Pedal

Ib Keeb Kwm Loj Keeb Kwm

Lub Ibanez TS9 pedal yog huab tais ntawm txoj kev los ntawm 1982 txog 1985. Nws yog ib qho kev hloov pauv ntawm cov khoom siv, nrog rau nws qhov kev hloov pauv ntawm / tawm tau txais ib feem peb ntawm cov nyhuv. Nws tseem hu ua TS-808 sab hauv.

Dab tsi Txawv?

Qhov sib txawv tseem ceeb ntawm TS-9 thiab nws cov thawj coj yog cov khoom tsim tawm. Qhov no ua rau nws ci ntsa iab thiab tsis tshua "ntxhiab" dua li nws cov neeg ua ntej.

Cov neeg siv nto moo

Lub Ntug los ntawm U2 yog ib qho ntawm cov neeg siv nto moo tshaj plaws ntawm TS9, zoo li suav tsis tau lwm tus guitarists.

Sab hauv Scoop

Thaum thawj TS9s tau tsim, lawv tau muab tso ua ke nrog lwm cov op-amp chips es tsis txhob ntawm JRC-4558 uas tau hu rau hauv schematics. Qee cov chips no, zoo li JRC 2043DD, suab tsis zoo. Feem ntau ntawm cov reissues siv Toshiba TA75558 nti.

Yog tias koj tau txais TS9 thawj nrog 2043 nti, peb 808 mods yuav ua rau nws zoo li nws yog hom tshiab!

Lub Tube Screamer: Lub Pedal rau Txhua Hom

Pedal rau Hnub Nyoog

Tube Screamer yog lub pedal uas tau nyob ib puag ncig rau ntau xyoo lawm thiab tau hlub los ntawm cov kws ntaus guitar ntawm txhua yam. Nws tau siv los ntawm lub teb chaws, kev nyuaj siab, thiab cov neeg ntaus suab paj nruag zoo ib yam, thiab tau nrov los ntawm cov nyiam Stevie Ray Vaughan, Lee Ritenour, thiab Gary Moore.

Pedal rau txhua tus saj

Tube Screamer tau nyob ib puag ncig ntev heev uas nws tau hloov kho thiab cloned hauv txhua txoj hauv kev. Robert Keeley ntawm Keeley Electronics thiab Mike Piera ntawm AnalogMan muaj ob qho tib si tso lawv tus kheej tig ntawm lub pedal, thiab Joan Jett, Trey Anastasio, thiab Alex Turner tau siv tag nrho hauv lawv cov rigs.

Pedal rau txhua lub sijhawm

Tube Screamer yog qhov zoo tshaj plaws pedal rau txhua yam xwm txheej. Nov yog ob peb txoj hauv kev uas nws tuaj yeem siv tau:

  • Ua kom distortion ntau tsom thiab txiav qhov qis kawg.
  • Ntxiv me ntsis ntxiv crunch rau koj lub suab.
  • Ntxiv qee qhov ntxiv tom rau koj cov thawj coj.
  • Txhawm rau muab koj lub suab me ntsis ntxiv oomph.

Yog li, txawm tias koj yog bluesman, lub taub hau hlau, lossis ib yam dab tsi hauv nruab nrab, Tube Screamer yog qhov zoo tshaj plaws pedal kom muaj nyob rau hauv koj lub arsenal.

Nkag siab txog Tube Screamer Pedal

Yuav ua li cas yog nws?

Tube Screamer yog ib qho classic guitar pedal uas tau nyob ib ncig ntawm kaum xyoo. Nws muaj peb lub pob qhov rooj - tsav, suab nrov, thiab qib - uas cia koj kho qhov nce, treble, thiab tso zis ntim ntawm koj lub suab. Nws tseem paub txog nws lub peev xwm los tsav lub preamp seem ntawm lub raj amp, muab koj qhov nce ntxiv thiab kev txhawb nqa nruab nrab uas pab txiav cov ntses bass thaj tsam thiab ua kom koj lub suab tsis txhob poob hauv qhov sib xyaw.

Vim li cas thiaj nrov?

Tube Screamer yog ib qho kev xaiv zoo rau ntau hom thiab xwm txheej. Nov yog vim li cas:

  • Nws tau txais ib tuj ntawm ntau yam - koj tuaj yeem siv nws yooj yim distortion los yog tsav koj lub raj amp.
  • Nws muaj peb lub pob qhov rooj uas cia koj kho qhov nce, treble, thiab tso zis ntim ntawm koj lub suab.
  • Nws ua rau koj muaj kev txhawb nqa nruab nrab uas pab txiav cov ntses bass thaj tsam thiab ua kom koj lub suab tsis txhob poob rau hauv kev sib xyaw.
  • Nws tau nyob ib ncig ntawm kaum xyoo, yog li nws tau txais cov ntaub ntawv pov thawj ntawm kev ua tiav.

Yuav Siv Nws Li Cas?

Siv Tube Screamer yog ib qho yooj yim! Tsuas yog ntsaws rau hauv, kho cov pob qhov rooj rau qhov koj xav tau, thiab koj npaj txhij rau pob zeb. Ntawm no yog ib qho yooj yim rundown ntawm txhua qhov knob ua:

  • Tsav pob qhov rooj: kho qhov nce (uas cuam tshuam rau tus nqi ntawm qhov distortion).
  • Tone pob qhov rooj: kho treble.
  • Qib pob qhov rooj: kho qhov tso zis ntim ntawm lub pedal.

Yog li ntawd koj muaj nws - Tube Screamer yog classic guitar pedal uas yooj yim rau siv thiab tuaj yeem muab rau koj ntau ntau yam hauv koj lub suab. Muab nws sim thiab saib seb nws tuaj yeem ua rau koj li cas!

Saib ntawm qhov sib txawv ntawm Cov Tube Screamer Pedal

Lub Xyoos Thaum Ntxov

Rov qab rau hnub ntawd, Ibanez muaj ob peb qhov sib txawv ntawm Tube Screamer pedal. Muaj cov txiv kab ntxwv "Overdrive" (OD), ntsuab "Overdrive-II" (OD-II), thiab xim liab "Overdrive-II" uas muaj vaj tse zoo ib yam li TS-808 / TS808.

TS 808

Thawj Tube Screamer, TS808, tau tso tawm thaum xyoo 1970s. Nws tau nruab nrog Japanese JRC-4558 nti lossis Malaysian-tsim Texas Instruments RC4558P nti.

TS 9

Los ntawm 1981 txog 1985, Ibanez tau tsim "9-series" ntawm overdrive pedals. TS9 Tube Screamer yuav luag zoo ib yam li hauv TS808, tab sis nws muaj qhov sib txawv, ua rau nws lub suab zoo dua thiab tsis tshua muaj suab nrov. Tom qab ntawd cov qauv ntawm TS9 tau sib sau ua ke nrog ntau yam op-amps, tsis yog kev nrhiav-tom qab JRC-4558.

TS 10

Xyoo 1986, Ibanez pib tsim cov "Power Series", uas suav nrog TS10 Tube Screamer. Qhov no muaj peb zaug ntau qhov kev hloov pauv rau hauv Circuit Court dua li TS9 tau muaj. Qee qhov TS10 pedals tau tsim hauv Taiwan, siv MC4558 nti.

TS 5

Cov yas TS5 "Soundtank" ua raws li TS10 thiab muaj mus txog rau xyoo 1999. Nws tau tsim hauv Taiwan los ntawm Daphon, txawm tias tsim los ntawm Maxon. Thawj xyoo ntawm kev tsim khoom muaj cov hlau casing; Tom qab ntawd, lub casing tau ua los ntawm yas.

TS 7

TS7 "Tone-Lok" pedal tau tso tawm xyoo 1999. Nws tau tsim hauv Taiwan zoo li TS5, tab sis nyob rau hauv cov ntaub ntawv txhuas uas muaj zog dua. Lub voj voog sab hauv muaj qhov hloov pauv "kub" rau kev hloov pauv ntxiv thiab ntim.

TS 808 HW

Thaum ntxov 2016, Ibanez tso TS808HW. Qhov kev txwv no pedal yog tes-wired nrog xaiv JRC4558D chips thiab siv high-end OFC cables los ntawm Nyiv. Nws kuj los txheem nrog True Bypass.

TS-808DX

TS-808DX yog ib qho ua ke TS808 nruab nrog Japanese JRC-4558 nti nrog 20db koob tshuaj kom siv cais lossis ua ke nrog cov overdrive.

Rov ua dua

Ibanez tau tshaj tawm TS9 thiab TS808 pedals, thov tias lawv muaj tib lub voj voog, hluav taws xob thiab cov khoom tsim uas pab tsim lub suab nrov Tube Screamer. Qee cov kws ntaus suab paj nruag muaj cov kws tshaj lij ua cov kev hloov kho rau chav tsev kom hloov lub suab raws li lawv nyiam. Maxon kuj tsim lawv tus kheej version ntawm Tube Screamer (hu ua Overdrives: OD-808 thiab OD-9).

TS9B

Tso tawm ib ncig ntawm 2011, TS9B yog ib tug bass overdrive pedal tsim rau bass players. Nws muaj tsib pob qhov rooj: Tsav, Mix, Bass, Treble thiab qib tswj. Mix thiab 2-band Eq. tswj tau tso cai bassists los tsim lub suab lawv xav tau.

Yog li, yog tias koj tab tom nrhiav rau lub suab tshwj xeeb tiag tiag, koj tsis tuaj yeem ua yuam kev nrog Tube Screamer. Nrog ntau yam kev hloov pauv, koj paub tseeb tias yuav nrhiav qhov zoo tshaj plaws rau koj cov kev xav tau. Txawm hais tias koj tab tom nrhiav rau lub suab classic lossis qee yam tshiab, Tube Screamer tau npog koj.

Iconic TS-808 Tube Screamer Reissue

Cov Keeb Kwm

TS-808 Tube Screamer yog lub cim pedal uas tau siv los ntawm qee tus neeg ntaus suab paj nruag hauv ntiaj teb. Tom qab xyoo ntawm qhov kev thov nrov, Ibanez thaum kawg tau muab cov pedal rov qab rau xyoo 2004.

cov Saib

Lub reissue zoo nkauj zoo nkauj, tab sis qee cov neeg tau hais tias cov xim tsis zoo ib yam li tus thawj.

Lub Suab

Lub reissue siv 2002+ TS9 reissue board ua los ntawm Ibanez, tsis yog tus laus, zoo dua MAXON board zoo li tus thawj TS808 thiab pre-2002 TS9. Nws muaj qhov tseeb JRC4558D op amp thiab tso tawm cov resistors, yog li nws suab zoo dua li TS9 reissue.

Cov Mods

Yog tias koj tab tom nrhiav coj koj TS-808 rov qab mus rau qib tom ntej, muaj qee qhov kev hloov pauv tshiab muaj. Cov no suav nrog:

  • Mojo Mod: Siv NOS qhov chaw los muab koj qhov rov ua suab nrov.
  • Silver Mod: Muab koj qhov rov ua dua ib qho classic, vintage suab.

Tube Screamer yog dab tsi?

Tus Tsim

Tube Screamer yog classic guitar pedal uas tau nyob ib puag ncig txij li xyoo 70s. Nws tau tsim los sib tw nrog lwm cov pedals nrov xws li BOSS OD-1 thiab MXR Distortion +. Tab sis dab tsi ua rau nws tshwj xeeb yog nws lub voj voog tshiab, uas siv lub tshuab ua haujlwm monolithic amplifier. Qhov no tsim lub suab uas txawv ntawm qhov "discrete" transistorized 60's fuzzes.

Ntawm no yog yuav ua li cas nws ua hauj lwm:

  • Ob lub silicon diodes yog teem nyob rau hauv ib tug anti-parallel kev npaj rau hauv lub tsis zoo tawm tswv yim Circuit Court ntawm ib tug ua hauj lwm amplifier ("op-amp") Circuit Court.
  • Qhov no ua rau mos, symmetrical distortion ntawm input waveform.
  • Thaum cov zis ntau tshaj qhov kev poob qis ntawm lub diodes, lub amplifier nce qis dua, txo qhov tso zis.
  • Ib tug "tsav" potentiomenter nyob rau hauv txoj kev tawm tswv yim muab qhov sib txawv nce.
  • Lub Circuit Court kuj siv transistor buffers ntawm ob lub tswv yim thiab cov zis, los txhim kho impedance txuam.
  • Nws kuj tseem muaj qhov sib npaug tom qab kev sib npaug sib npaug nrog thawj qhov kev txiav txim siab-pass shelving lim.
  • Qhov no yog ua raws li qhov yooj yim low-pass lim thiab active tone tswj Circuit Court thiab ntim tswj.
  • Nws kuj tseem muaj cov khoom siv hluav taws xob niaj hnub siv hluav taws xob hluav taws xob hluav taws xob (FET) "tsis muaj suab nrov" los ntawm kev hloov pauv los tig cov nyhuv rau thiab tawm.

Cov Chips

Tube Screamer siv ntau yam chips los tsim nws lub suab. Qhov nrov tshaj plaws yog JRC4558D nti. Nws yog tus nqi qis, lub hom phiaj dav dav dual lub suab ua haujlwm, qhia txog nruab nrab ntawm 70s los ntawm Texas Instruments.

Lwm cov chips siv suav nrog TL072 (ib hom JFET input, nrov heev hauv 80s), "thawj" TI RC4558P, thiab OPA2134. Kuj tseem muaj TA75558 (ua los ntawm Toshiba), uas yog tus qauv hauv TS10 nrog rau 4558.

Tab sis tsis txhob raug ntes nyob rau hauv cov chips - hom op-amp muaj me ntsis ua rau lub suab ntawm lub pedal, uas yog dominated los ntawm lub diodes nyob rau hauv lub op-amp txoj kev tawm tswv yim txoj kev.

Txhua yam koj yuav tsum paub txog TS9 Circuit Court yam

The Early TS9

Yog tias koj tab tom nrhiav TS9 thaum ntxov, koj tuaj yeem qhia nws sib nrug los ntawm ntsuab coated resistors sab hauv. Tab sis tsis txhob dag yog tias koj muaj 1980 TS808 nrog feem ntau tan coated resistors thiab ob peb ntsuab sawv daws yuav - lawv tsis zoo ib yam. Qee cov keeb kwm lig siv xim av coated resistors ib yam nkaus, yog li koj yuav tsum tau tshawb xyuas cov hnub codes ntawm electrolytic can capacitors.

Reissue TS9 Board

Nyob rau hauv 2004, Ibanez thaum kawg tau tshaj tawm TS-808 pedal vim qhov kev thov nrov. Nws zoo nkaus li zoo, tab sis xim tej zaum yuav tawm me ntsis. Qhov kev tshaj tawm TS-808 siv lub 2002+ TS9 reissue board tshiab, ua los ntawm Ibanez, tsis yog cov laus, me ntsis zoo MAXON board zoo li tus thawj TS808 thiab pre-2002 TS9. Nws muaj qhov tseeb JRC4558D op amp thiab tso tawm cov resistors, yog li nws suab zoo dua li TS9 reissue.

Turbo TS9DX

Xyoo 1998, TS9DX Turbo Tube Screamer tau tso tawm rau cov neeg uas xav tau ntau qhov ntim, distortion, thiab qis kawg. Nws zoo ib yam li TS9 tab sis muaj lub pob qhov rooj ntxiv nrog plaub txoj haujlwm MODE. Txhua txoj hauj lwm ntxiv qis kawg, nce ntim, thiab txo qis distortion. Pib xyoo 2002, MODE MODS tau muab los ua kom tag nrho plaub hom siv tau ntau dua.

TS7 Tone Lok

TS7 TONE-LOK pedal tau tsim muaj nyob ib ncig ntawm 2000. Nws yog tsim nyob rau hauv Taiwan zoo li TS5 tab sis nyob rau hauv cov ntaub ntawv hlau uas yuav tsum tau ntau check. Nws muaj qhov hloov pauv HOT rau ntxiv oomph tom qab lub mod, uas muab kev txhim kho zoo sib xws rau lub suab nrov (tsawg hnyav, smoother, tab sis tseem muaj ntau tsav). Feem ntau TS7 pedals tuaj nrog qhov tseeb JRC4558D nti, yog li feem ntau tsis xav tau hloov pauv.

TS 808HW Tes-wired

TS808HW Tes-wired yog lub siab tshaj plaws-kawg Tube Screamer puas tau ua, kom tau ib feem ntawm lub khw muag khoom. Nws tsis siv lub rooj tsav xwm hauv Circuit Court, es tsis yog cov khoom siv tes soldered mus rau lub rooj tsavxwm sawb zoo li qee qhov qub fuzz pedals. Nws muaj tseeb bypass thiab tuaj nyob rau hauv ib lub thawv txias. Peb tuaj yeem ua peb cov nyiaj lossis TV mod ntawm cov no tab sis tsis tuaj yeem hloov lub nti.

Maxon pedals

Peb tau ua haujlwm ntawm Maxon OD-808 thiab tam sim no muab peb 808 / SILVER mod rau nws. Maxon OD-808 yog qhov tseeb TS-10 Circuit Court (siv TS9 / TS10 tso zis seem) yog li nws yuav siv qee qhov haujlwm hnyav. Peb kuj suav nrog TRUE BYPASS ntawm cov mods no vim Maxon siv qhov loj me me stomp hloov uas peb tuaj yeem hloov tau yooj yim rau 3PDT hloov rau qhov tseeb bypass. Yog li yog tias koj yog tus stickler rau qhov tseeb bypass, Maxon OD-808 / Silver tej zaum yuav yog tus pedal rau koj.

Nkag siab qhov sib txawv ntawm TS9 Originals thiab Reissues

Dub Label: Txoj Kev Qhia Kom Yooj Yim

Yog tias koj tab tom sim txheeb xyuas seb koj puas tau txais TS9 thawj lossis ib qho rov qab, qhov yooj yim tshaj plaws yog saib daim ntawv lo. Yog tias nws yog xim dub, koj tab tom saib 1981 thawj - TS9 thawj zaug! Cov no feem ntau muaj JRC4558D nti sab hauv.

Silver Label: Me ntsis Trickier

Yog tias daim ntawv lo yog nyiaj, nws yog qhov nyuaj me ntsis. Thawj tus lej ntawm tus lej xov tooj tuaj yeem muab cov lus qhia rau koj - yog tias nws yog 3, nws yog los ntawm 1983, thiab yog tias nws yog 4, nws yog xyoo 1984. Cov no tuaj yeem muaj cov chips ua ntej, lossis qee zaum TA75558 nti siv nyob rau hauv cov ntaub ntawv rov qab. Nws yuav luag tsis tuaj yeem qhia qhov txawv ntawm qhov qub thiab thawj qhov kev tshaj tawm TS9. Tab sis qhov kev tshaj tawm TS9 feem ntau yuav tsis muaj tus lej xov tooj pib nrog 3 lossis 4.

Sib tham nrog Capacitors

Yog tias tus lej cim tsis pib nrog 3 lossis 4, thiab cov resistors tsis yog ntsuab coated, los yog nws tsis yog thawj JRC nti, nws yog qhov rov ua dua. Tsis meej pem, txoj cai? Koj tuaj yeem sim nrhiav cov hnub codes ntawm cov hlau tuaj yeem capacitors. Koj tuaj yeem pom 8302, uas txhais tau tias xyoo 1983, thiab lwm yam.

Qhov tseeb Reissue

Qhov kev tshaj tawm tshiab kawg yog los ntawm 2002+, thiab nws muaj IBANEZ board thiab IBANEZ qhov chaw. Nws yog ib qho yooj yim los qhia qhov no sib nrug, vim nws muaj CE cim thiab barcode ntawm lub thawv.

Green Coated Resistors: Tus yuam sij rau Originality

Koj tuaj yeem qhia TS9 thaum ntxov los ntawm ntsuab coated resistors sab hauv. Tab sis tsis txhob dag - qee cov keeb kwm lig siv xim av coated resistors ib yam nkaus, yog li xyuas cov hnub codes ntawm electrolytic capacitors. A8350 = 1983, 50th week (Original TS9).

TS-808 Reissue

Nyob rau hauv 2004, Ibanez thaum kawg tau tshaj tawm TS-808 pedal vim qhov kev thov nrov. Nws zoo li ib feem, tab sis xim yog me ntsis tawm. Nws siv 2002+ TS9 reissue board tshiab, ua los ntawm Ibanez, tsis yog cov laus, me ntsis zoo MAXON board zoo li tus thawj TS808 thiab pre-2002 TS9. Nws muaj qhov tseeb JRC4558D op amp thiab tso tawm cov resistors, yog li nws suab zoo dua li TS9 reissue.

TS9DX Turbo

Xyoo 1998, Ibanez tau tso tawm TS9DX Turbo Tube Screamer. Nws zoo ib yam li TS9, tab sis nrog lub pob qhov rooj ntxiv uas muaj plaub txoj haujlwm MODE. Txhua txoj hauj lwm ntxiv qis kawg, nce ntim, thiab txo qis distortion. Pib thaum xyoo 2002 lig, lawv tau muab MODE MODS kom tag nrho plaub hom siv tau ntau dua. Qhov no pedal yog txaus rau bass guitar thiab guitar.

TS7 Tone Lok

Qhov tseeb ntxiv rau Tube Screamer tsev neeg yog TS7 Tone Lok. Nws yog mini version ntawm TS9, nrog tib lub suab classic tab sis nyob rau hauv ib lub pob me me. Nws tau txais peb-txoj kev toggle hloov los xaiv ntawm peb hom - sov, kub, thiab turbo - thiab lub pob qhov rooj tsav los kho tus nqi ntawm qhov tsis sib haum.

xaus

Xaus: Lub Tube Screamer yog lub cim pedal uas tau hloov pauv txoj kev guitarists tsim lawv lub suab. Nws yog ib qho cuab yeej zoo rau kev ntxiv distortion thiab boosting mid-range frequencies, thiab nws tau raug siv nyob rau hauv countless ib hom ntawv nyeem thiab hom suab paj nruag. Yog li, yog tias koj tab tom nrhiav ROCK OUT nrog koj lub guitar, Tube Screamer yog qhov yuav tsum muaj! Thiab tsis txhob hnov ​​​​qab txog txoj cai golden: txawm tias koj siv hom pedal, nco ntsoov kom SHRED RASPONSIBLY!

Kuv yog Joost Nusselder, tus tsim ntawm Neaera thiab tus neeg lag luam cov ntsiab lus, txiv, thiab nyiam sim cov cuab yeej tshiab nrog guitar ntawm lub siab ntawm kuv txoj kev mob siab rau, thiab ua ke nrog kuv pab neeg, Kuv tau tsim cov ntsiab lus ntawm blog txij li xyoo 2020. los pab cov neeg nyeem siab ncaj nrog cov ntaub ntawv kaw lus thiab cov lus qhia guitar.

Nrhiav kuv hauv Youtube qhov twg kuv sim tag nrho cov iav no:

Microphone nce vs ntim Sau npe yuav ua