01 ntawm 08
Adventures nyob rau hauv Chi-Fi, Tshooj 贰
Ib qho ntawm cov khoom uas ntes peb cov xim thaum xyuas Suav teb-hifi-Audio.com rau qee qhov khoom txias (koj tuaj yeem pom tus so nyob rau hauv peb daim ntawv teev npe ntawm 8 Cov Lus Cim Tseem Ceeb Tau Txais Chi-Fi Cov Khoom ) yog Cov Tub Ntxhais Lub Neej Menyuam. Qhov no me me EL84-based amp muaj tus tsiaj qus tsim; EL-84 yog ib lub raj siv feem ntau rau cov theem ntawm cov khoom me me. Thiab rau tus nqi, tus Mini nkawd zoo li ib qho amazing deal, tshwj xeeb tshaj yog tias koj xav tias Chi-nkaus kev tsim nyog muaj kev tshawb nrhiav ntxaum.
Nrog nws cov ntoo tiag tiag coj los ua haujlwm, thiab kos duab xim dub nciab, lub suab paj nruag Angelies Mengyue Mini lub styling nce ntawm lub siab tshaj cheezy tshuaj pleev ib ce ntawm feem ntau pheej yig suav amps - thiab rau qhov teeb meem, deb tshaj li ntau ntawm American ua tube amps.
02 ntawm 08
Mengyue Mini: Tawm ntawm lub Thawv
Tom qab lub lis piam muaj nqis ntawm kev tos, lub Mengyue Mini los txog rau yav tom ntej, tau ntim rau hauv lub thawv ntim ntawv nrog rau cov ntawv kom zoo. Tsis txhob ceeb yog tias lub hnab ntim qhwv ntsej muag zoo li lub Chaw Loj Tshaj Loj - Yog tias koj twb tau nyob hauv lub Chaw Loj Tshaj Loj, ces koj paub qhov tsis hnov tsw peb tham txog.
Tom qab ua raws li cov lus qhia, peb txuas nrog lub amp mus rau ib tug khub ntawm Dayton Audio B652 tham , ntsaws lub amp hauv, thiab khawm fais fab. Ntawd Chaw Thauj Khoom Hlav Noob Noob Loj Ua Zoo Li Cas Thaum Xim Xim Los Tos, tab sis tsis muaj dab tsi los haus. Peb tau txuas lus nrog iPod kov , teem caij mus ua si txhua zaj nkauj rau nws, thiab qhia rau Mengyue Mini amp khiav txog 10 lub sij hawm tag nrho. Nrog tsis muaj dab tsi coj txawv txawv los yog tawm ntawm qhov dog dig tshwm sim, peb txuas nrog Mini rau ib khub ntawm Revel Performa3 F206 tham.
03 ntawm 08
Mengyue Mini: Nta
• 15 W / channel (rated) mus rau hauv 8 ohms
• 2 kab lus suab hauv suab
• 4 EL84 fais fab tuag tes, 2 6N3 qib qis
• Qhov ntev: 5.5 x 10.2 x 8.3 nyob (140 x 260 x 210 mm)
• Qhov hnyav: 16.5 lb (7.5 kg)
Mengyue Mini NW nyuam qhuav muaj cov nta hais txog. Muaj ob kab hauv kev siv thiab khub tsib-txoj kev los txuas rau cov lus sib txuas lus. Nws ua haujlwm rau peb, txij thaum peb xav tau tsuas yog ob qho kev nkag siab: ib qho rau lub phono preamp los ntawm ib tus neeg ua si ntaub ntawv thiab lwm yam rau txhua qhov USB DAC tshwm sim rau hauv kev siv rau lub lim tiam.
Qhov tsuas yog downside rau tag nrho cov pob yog tias lub qab phaj npog circuitry tau scuffed li, zoo li nws tau scavenged tawm ib unit uas tuaj nyob rau hauv rau kev kho. Peb rub tawm hauv qab phaj kom nrhiav tau ib lub rooj sib tham ntawm cov ntawv luam tawm. Peb pom tias plaub lub laub kabmob trimmer rau qhov muag cov raj tso zis, tab sis tsis muaj cov npe hu rau kev ntsuas kev sibtham. Thiab, ntawm chav kawm, phau ntawv tsis yog tshwj xeeb illuminating.
Los ntawm qhov kev ntsuam xyuas uas peb tau ua, peb pom tias cov qhov tso tawm ntawm lub qhov hluav taws xob tau dhau los rau 15 W es tsis txhob siv cov EL-84 qhov max-rated 12 W. Qhov no yog ib qho tseem ceeb rau cov neeg uas xav tau cov hlua khi uas tsim nyog ntev dua thiab ua tau zoo tshaj lub sijhawm. Cia li nco ntsoov tias ua li no yog ib txoj kev sib tw heev thiab tuaj yeem muab cov ntiv tes tso rau hauv kev phom sij rau ob peb puas volts ntawm hluav taws xob. Yog li ceev faj.
04 ntawm 08
Mengyue Mini: Teeb thiab Ergonomics
Tus Mengyue Mini txoj kev sib txuas yog qhov yooj yim npaum li lawv ua tau. Qhov tsuas yog txawv xwb yog tias lub tswv yim txawb (RCA) flipped, yog li ntawm txoj cai (xim liab) sab saum toj thiab sab laug (dawb) channel yog nyob hauv qab. Lawv kuj tau qij me ntsis, tab sis tsawg kawg lawv yog cov xim thwj xim.
Raws li rau phau ntawv, nws yog nyob rau hauv Suav thiab devotes ib nplooj ntawv rau Mengyue Mini. Qhov xwm zoo yog tias koj tsis tas yuav muaj kev phem txog kev tsis paub suav, vim tias tsis muaj ntau cov lus qhia txog cov khoom raws li nws yog.
05 ntawm 08
Mengyue Mini: Performance
Peb piv rau Mengyue Mini rau ib lub koom haum Krell S-300i amp , uas yog nyob ntawm 150 W ntawm ib lub suab rau hauv 8 ohms. Theem raug sib phim, Revel tham tau txuas nrog, thiab Firestone ILTW USB DAC sourced Pib ntsais koj teeb rau ob qho tib si. Peb tau xaiv ib theem mloog zoo txaus los txiav txim rau lub suab zoo, tab sis tsis yog li nrov nrov tias nws yuav nquag se cov Mengyue Mini qhov sib piv tsis tshua muaj tshwm sim.
Ib qho ntawm peb qhov kev sib tw tshawb fawb , Holly Cole's version of "Train Song," qhia peb txog Mengyue Mini. Yog tsis muaj kev pom tseeb sonic colouration los yog flaws, thiab Mini tau tuav lub zog, super-tob bass sau ntawv tsis muaj audibly distorting. Cole lub suab lub suab tshwj xeeb tshaj plaws thiab ntxim nyiam. Kev xaav ntawm tes yog lub cim thaus lub nplaj txheeb kuas muaj ntau yaam txaus, hab cov nuv ntses muaj roj tsawg, ua zoo rua qhov zoo.
Thaum peb hloov mus rau Krell amplifier, cov ntses bass thaj tsam nrawm ntau heev, sounding punchier thiab ntau leej. Lub percussion suab ntau dua li paub meej thiab kom ntxaws, soundstage yog ntxaum thiab nrug, thiab qhov kev ntsuam xyuas pom tseeb tshaj qhov peb tau hnov los ntawm Mengyue Mini. Txawm li cas los, Cole lub suab suab txias me ntsis thiab yuav luag txhua yam hauv kev sib piv; tib yam siv nrog Donald Fagen lub suab rau Steil Dan lub "Aja."
Cov txiaj ntsig tau tsis yog kev xav tsis thoob; lawv ua raws li audiophiles cov kev xav dav ntawm dab tube amps suab zoo li. Tab sis qhov kev tshwm sim tsis ua raws li peb cov kev tsis txaus siab thaum peb ntaus Dwight Yoakam cov duet nrog Maria McKee, "Bury Me Raws Loj Sandy." Cov suab txias tuaj pib rau - pib thaum xyoo 1980 ntawm cov haujlwm. Tab sis los ntawm Mengyue Mini nws yeej suab zog, raws li yog hais tias ib tug neeg tau muab lub treble ib nqis thais. Thiab txawm hais tias nws tsis obviously distort, nws kuj tsis muaj txaus oomph kom tau lub suab qhib nruj bass kab txoj cai. Yog li, tus qauv, qhov pib ntawm qhov tonal tas ib me ntsis rog.
Thaum peb rov qab mus rau Krell amplifier, kab npas bass tau txais tighter, punchier, thiab muab ib qho kev xav zoo dua rau cov suab nrov dhau suab thiab guitar.
David Chesky lub suab paj nruag thiab suab paj nruag zoo heev, Lub Cev Acoustic , kuj yooj yim qhia tawm qhov txawv ntawm ob lub amps. Los ntawm Krell amp thiab Revel cov neeg hais lus, lub suab ntawm qhib kev txiav, "52nd Street," yog txhua yam hauv audiophile yuav xav tau: sib sib zog nqus. dynamic, ultra-dav, haunting, thiab leej. Los ntawm Mengyue Mini, qhov kev taug qab tseem suab zoo, tab sis tus piano thiab bass clarinet suab softer, tsis paub meej, thiab tsawg dua. Tsuas yog cov ntses bass thaj tsam txhawm rau txhim kho nrog Mengyue Mini, seeming kom muaj ntau tus cwj pwm thiab subtlety. Los yog nws yuav yog clarity los yog sonic colouration - tsuas yog Chesky thiab bassist Andy Gonzalez ua opine rau ntawm lub ntsiab lus nrog kev cai.
Peb kuj tau siv ntau lub sij hawm tsawg dua kaum xuab moos los mloog Menguue Mini nrog Revel tham, tau pub los ntawm Pro-Ject RM-1.3 turntable thiab NAD PP-3 phono preamp. Cov zis tawm suab yeej zoo ib yam! Thaum lub Mini kuj yog ib txoj hauv kev ntev ntev los ntawm kev zoo tag nrho, nws yeej muaj peev xwm siab zoo, tshwj xeeb tshaj yog tias koj xav tau ib yam dab tsi los ua cov ntaub ntawv qub jazz hauv. Nws plays siab tshaj qhov xav pom, dhau hwv, yooj yim los tsoo taum los ntawm 95 dB.
06 ntawm 08
Mengyue Mini: Kev Ntsuas, Ntu 1
Tom qab ob peb lub lis piam ntawm kev mloog, peb tsiv mus rau Mengyue Mini mus rau lub rooj sib tw raug soj ntsuam kom pom nws qhov kev ua tau zoo. Nrog Mini txuas nrog lub Clio 10 FW suab analyzer thiab qee qhov load resistors, peb khav li Clio thiab thov Vajtswv tsis muaj dab tsi yuav ntes hluav taws thiab scorch lub xeem raug tshem tawm (nws tsis ua).
Teb zaus
-0.55 / + 0.31 db, 20 Hz rau 20 kHz
-3.71 / + 1.25 dB, 10 Hz mus rau 50 kHz
Qhov teeb liab rau lub suab nrov (1 W / 1 kHz)
-60.1 dB unweighted
-79.2 dB A-hnyav
Tag nrho harmonic distortion (1 W / 1 kHz)
0.32%
Crosstalk (1 W / 1 kHz)
-62.4 dB sab laug rau sab xis
-62.2 dB sab laug laug
Channel tsis txaus (1 kHz)
+0.27 dB siab nyob rau hauv txoj cai channel
Koj tuaj yeem pom cov lus teb nyob rau hauv daim duab saum toj no, nrog rau sab laug (xiav kab) thiab txoj cai channel (liab kab) hais txog 1 W ntawm 1 kHz. All cov zauv no zoo kawg thiab, tab sis rau ib tug pheej yig, primitive tube amp, lawv nyob nraum tsis disappointing yog. Tsuas yog cov distortion, uas sau siab siab txawm tias ib lub raj amp.
Cov teeb meem ua rau lub cev tsis muaj zog (piv txwv li, oscillation, lwm tus paub tias tus amp self-destructing), yog muaj kev txhawj xeeb thaum xub thawj, tab sis cov Mini tau dim ntau lub sij hawm mloog nrog kev sib tw me ntsis-ua txhaum kev cai tsis muaj teeb meem.
07 ntawm 08
Mengyue Mini: Kev Ntsuas, Ntu 2
Ntawm no yog dab tsi yuav ua rau cov minds ntawm cov tuam txhab American thiab European cov tuam tsev hi-fi ntawm yooj yim. Daim duab saum toj no yog Mengyue Mini lub zog tso rau hauv watts tiv tiag distortion, ntsuas nrog 1 kHz teeb liab nrog ob txoj kev uas tau tsav (txiv kab ntxwv txoj kab) thiab ib qho uas tau tsav (ntshav liab) mus rau 8 ohms. Ib tus tuaj yeem tau txais ntau npaum li ntawm EL-84s, tab sis txawm li ntawd los, Mini cov kev ntsuam xyuas ntawm no yog qaug zog zoo nkauj.
Cov zis tawm (1 kHz / 8 ohms / 2 raws)
3.2 watts RMS ntawm 1% THD
10.6 watts RMS ntawm 4.6% THD
Los ntawm kuv tus qauv (1% THD), peb xav tau qhov kev tso tawm ntawm 3.2 W xwb. Peb tsis tuaj yeem thawb lub Mini saum 10.6 W txawm yog tsa cov qib zis thiab qhov siab tshaj plaws ntawm qhov Clio analyzer.
Kuj, tus amplifier tau NW nyuam qhuav tsav lub 4-ohm load resistor txhua; peb tsis tuaj yeem thawb nws mus rau 1 W ntawm cov zis rau cov kev ntsuas, thiab Clio analyzer tsis tuaj yeem tau txais cov teeb liab tawm ntawm nws ua ib qhov kev tawm fais fab los ntawm kev ntsuas kev ntxig. Peb tsis muaj tub qhe amp cov kws tshawb fawb, tab sis ib yam zoo nkaus li tsis pom zoo nrog lub Mengyue Mini txoj kev lag luam thiab / los yog lub cheebtsam ntawm no.
08 ntawm 08
Mengyue Mini: Thaum kawg Siv
Puas yog Mengyue Mini muab cov kev lag luam qib siab kawg ua lag luam txhua yam kev txhawj txog? Peb cov lus teb yuav tsis yog . Txawm hais tias tus amplifier zoo nkaus li zoo thiab suab zoo, nws yog technically zoo nkauj. Nws tseem nug tau seb puas los yog tsis yog Mengyue Mini yuav ua tau raws li cov qauv kev ruaj ntseg (txawm tias muaj ntau lub suab nrov ua tsis tau). Lub tuam txhab lub website hais tias qhov khoom no lav rau ib xyoos, tab sis dab tsi raws li kev cai lij choj rov qab koj tiv thaiv cov khw yog lawv tsis kam? Dhau li ntawd, nws tsis yog pheej yig tshaj rau cov khoom xa khoom txawv tebchaw rau kev kho lossis ua haujlwm.
Tseem, Menguue Mini yuav pom tau tias yog ib qho kev txaus qhuas yog tias koj tsuas xav kom pheej yig me ntsis tub qhe amp ua si nrog. Cov neeg uas pom nws nquag hais, "Ooh, txias npaum li cas !!" thaum peb qhia lawv tias nws ua hauj lwm li cas - peb tus Krell amp yeej tsis tau txais kev pom zoo.