Wah, berarti ada kemungkinan OP270 yang saya pakai sekarang bukan yang genuine alias palsu ya ... hehehe ...
Wah, tambah semanget dah nyari opamp pengganti ... Pak LJ, apakah OPA2134 DIP 8pin sudah siap dipesan? Saya mau order ... hehehe ... Thanks & regards, Aphinx --- In [email protected], "Didik W. Adhi" <didik.wirya...@...> wrote: > > OP27, di akhir 80-an sih termasuk kelas atas. Tapi sekarang kok hanya 17rb-an tuh. > Kalau yang LM4562, silakan tanya Kang Yustinus. > salam, dwa > > ----- Original Message ----- > From: cari_peluang > To: [email protected] > Sent: Monday, January 12, 2009 3:27 PM > Subject: [ELPOP-Audio] Re: Nge bias OpAmp di Class A & GC Homepage > > > Pak DWA, kalau OP270 termasuk opamp yang "abal-abal" atau kelas > audiophile? Bagaimana dengan YD2000 dan LM4562? > Mohon maaf, banyak tanya ... abis penasaran seh ... hehehe ... > > Thanks & regards, > Aphinx > > --- In [email protected], "Didik W. Adhi" > <didik.wiryawan@> wrote: > > > > gak usah ragu Pak Teguh... > > NE5532 itu termasuk universal dual opamp, maka kakinya sama (plug > and play) > > dengan TL072, TL062, LM4559, LM4558, TI072, OP27A....dst buanyak > banget... > > Untuk audiophile, tentu saja langsung ke OPA2134, OPA2604 dll. > > salam, dwa > > > > ----- Original Message ----- > > From: "innovdesign2003" <innovdesign2003@> > > To: <[email protected]> > > Sent: Saturday, January 10, 2009 8:27 AM > > Subject: [ELPOP-Audio] Re: Nge bias OpAmp di Class A & GC Homepage > > > > > > mm..bingun..mohon konfirmasi lagi pak guru DWA & Suhu Jimmy, NE5532 > > bisa diganti langsung OP2134 ya? dua duanya kaki 8 (DIP?)..hari ini > > saya mo ke glodok sekalian beli soket IC yang bagus.., nanti japri > > konsultasi boleh yaa (pliz..pliizz) > > > > salam > > TeguhPS > > > > --- In [email protected], "Didik W. Adhi" > > <didik.wiryawan@> wrote: > > > > > > Oh ya ya....thanks Bung Jim, itu mono ya sama dengan OPA27 atau > > OP27A dari > > > DMI. > > > Mohon maaf. > > > salam, dwa > > > ----- Original Message ----- > > > From: "Jimmy Auw" <milis@> > > > To: <[email protected]> > > > Sent: Thursday, January 08, 2009 9:04 PM > > > Subject: RE: [ELPOP-Audio] Re: Nge bias OpAmp di Class A & GC > Homepage > > > > > > > > > > 627 seingat saya mono. gak isa tancap blas ke 2134 or 5532. > > > > > > > > > > > > > > > > From: [email protected] > > [mailto:[email protected]] On > > > > Behalf Of Didik W. Adhi > > > > Sent: Wednesday, January 07, 2009 4:52 PM > > > > To: [email protected] > > > > Subject: Re: [ELPOP-Audio] Re: Nge bias OpAmp di Class A & GC > Homepage > > > > > > > > > > > > > > > > 5532 bisa langsung tancep dengan OP2134, OPA627 > > > > > > > > salam, dwa > > > > > > > > ----- Original Message ----- > > > > > > > > From: innovdesign2003 <mailto:innovdesign2003@> > > > > > > > > To: [email protected] > > > > > > > > Sent: Wednesday, January 07, 2009 11:19 AM > > > > > > > > Subject: [ELPOP-Audio] Re: Nge bias OpAmp di Class A & GC > Homepage > > > > > > > > > > > > > > > > kang ado, trims tips nya..omong2 semalam baru bersihin lensa > sony cdp > > > > 950, opamp nya pakai NE553200. yang ini bisa diganti langsung > tancep > > > > sama opamp apa yah? trims & salam > > > > > > > > TeguhPS > > > > > > > > O iya..STK4132 adik ipar saya ganti pot dengan alps green..sampe > > > > terheran heran dia he he.. masih ada stok? > > > > > > > > --- In [email protected], Ado A <unoselecta@> wrote: > > > >> > > > >> DA,Untuk Gaincloner Newbie bisa jalan2 disini > > > > :http://myweb.tiscali.co.uk/nuukspot/decdun/gainclone.htmlMaaf > bukan > > > > utk Tube mania...hehehe...BTW ada yg udah cobe Trick ini, > beneran > > > > improove gak soundnya :Biasing Op-amps to class A Well finally > > > > replaced the veriable resistor version of my OPA 2604, with > descrete > > > > value resistors, in this case 10k. The idea is to cause a > current > > > > drain to the output stages of the opamp, by connecting a > resistor to > > > > the outputs of both channel and the negative supply. This > causes the > > > > output stages to operate in class A.So here's what to > do .....Get an 8 > > > > way dil socket and hold so that the cut out is at the top, in > the > > > > middle. Twist two 10k resistor legs together and solder to the > lower > > > > left pin. Connect one lead to the top left pin and the other to > the > > > > second from the top on the right.As the chip is now running in > class A > > > > its going to need to rid itself of a lot of excess heat, so you > need > > > > to rig a heatsink. I used a 15mm > > > >> copper pipe and cut a 6mm length, then filed a flat section and > > > > super glued to the top of the opa 2604. THe chip is then > inserted into > > > > the socket and the socket pluged into the PCB.How does this now > sound, > > > > I'm more weighty performance, richer and more musical. The > Denon dcd > > > > 920 is now simply stunning and get a new disc first before my > other > > > > player. I definately consider this mod if your tuning your > > > > CDP.Salam,Ado--- Pada Rab, 7/1/09, milen007ebay <milen007ebay@> > > > > menulis:Dari: milen007ebay <milen007ebay@>Topik: [ELPOP- Audio] > Re: > > > > lm1875Kepada: ELPOP-Audio@: Rabu, 7 Januari, 2009, 10:31 > AMThanks > > > > Pak Jimmy untuk inputnya. jadi saya rencana mau pake PT utk > regulated > > > > psu yg voltasenya lebih tinggi dari linear. ada schematic > regulated > > > > psu yang bagus? yang output -24vdc 0v +24vdc? erwin --- In > > > > ELPOP-Audio@ yahoogroups. com, "Jimmy Auw" <milis@> wrote: > > > Linear > > > > dan Regulated masih diperdebatkan. masing2 ada > > > >> jagoannya dan > tergantung aplikasinya juga. > > > > Regulated > > > > terkenal bagus dan bersih (akurat). namun karena terlalu > bersih, > > > > > "katanya" jadi kurang natural. > > > > Linear (Non- Regulated) > > > > "katanya" lebih as-is. banyak kaum purist audiophile > lebih > seneng > > > > jenis ini. entah karena fanatisme atau memang bener2 bagus. > > > > > > > >> SMPS (Switching) lebih baik dihindari. "katanya" banyak yang > punya > > > > > pengalaman buruk dengan power supply jenis ini (termasuk saya > hehehe). > > > > entah > mungkin karena pakenya switching abal2. kalo pake yang > bagus > > > > mungkin beda. > > > > Pemilihan jenis PSU biasanya tergantung > > > > posisinya. ada yang karena suatu > alasan, kita terpaksa harus > pake > > > > Regulated. mungkin juga karena alasan ttt > (misal space), maka > harus > > > > pake SMPS. so pick the best aja sesuai kondisi > yang ada. > > > > > > > > > Thanks. > > > > From: ELPOP-Audio@ yahoogroups. com > > > > [mailto:ELPOP-Audio@ yahoogroups. com] On > Behalf Of > milen007ebay > > > > > Sent: Tuesday, > > > >> January 06, 2009 3:23 PM > To: ELPOP-Audio@ yahoogroups. com > > > > > Subject: [ELPOP-Audio] Re: lm1875 > > > apakah itu lebih bagus > > > > linear, regulated atau smps? thx > > > > >> > > > >> > > > >> Menambah banyak teman sangatlah mudah dan cepat. Undang teman > > > > dari Hotmail, Gmail ke Yahoo! Messenger sekarang! > > > > http://id.messenger.yahoo.com/invite/ > > > >> > > > > > > > > > > > > > > > > > > > > > > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/ELPOP-Audio/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/ELPOP-Audio/join (Yahoo! ID required) <*> To change settings via email: mailto:[email protected] mailto:[email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
