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 buffer tube super murah

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eraaja
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yoko_pratama
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AuthorMessage
yoko_pratama
Udah bintang 3 lho
yoko_pratama


Male Jumlah posting : 264
Join date : 2009-12-11
Lokasi : semarang

buffer tube super murah - Page 4 Empty
PostSubject: buffer tube super murah   buffer tube super murah - Page 4 EmptySun Mar 21, 2010 5:45 pm

First topic message reminder :

kemaren bis buat preamp 12xx ini rincianya

1 tube 12xxx ......... sekitar 125rb kayanya ... (versi gratis mulung .... saudara )
8 r abal2 .............. 500 x8 = 4000
4 c abal2 ............... ini tergantung sih sekitar 50rb juga boleh

total : sekitar 180rb .... edan tenan ....


buffer tube super murah - Page 4 Img00511j

thank to opa ....
thanks to mas ode atas bonus silmic bpnya ...

hasil : gc lebih berotot ..
- segala instrument musik transparant
- bassnya bertenaga deep banget
- vokal warm .....

iya opa minta alamatnya ...
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AuthorMessage
h13ns
Mulai Betah
h13ns


Female Jumlah posting : 51
Join date : 2010-03-14
Age : 54
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Mar 25, 2010 3:57 pm

duduk manis.... masih buta main tabung Very Happy
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dono
Udah bintang 3 lho
dono


Male Jumlah posting : 430
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Age : 42
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyTue Mar 30, 2010 12:50 pm

sama mas hens..cari ilmu.oh ya tube tahan getaran ga ya... ide
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bayu_er
Udah bintang 3 lho
bayu_er


Male Jumlah posting : 259
Join date : 2009-11-11
Age : 48
Lokasi : Karawang

buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyTue Mar 30, 2010 1:02 pm

Hati - hati ....nanti keracunan tube ...sama kesetrumm...Kabur..ah. confused
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dono
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dono


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyTue Mar 30, 2010 1:10 pm

@mas er:bukanya mas er udah kena infeksi tube duluan.. Laughing emang body tube di pegang nyetrum mas..bukanya pake kaca..tuh..
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gwendy
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gwendy


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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyTue Mar 30, 2010 1:13 pm

tube gak boleh bergetar karena efek microphonic, bekas sidik jari aja pengaruh ke bunyi tube Very Happy
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yoyomanalagi
Makin betah
yoyomanalagi


Male Jumlah posting : 179
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyTue Mar 30, 2010 3:46 pm

maen tube sedap2 nikmat... tapi masih ga ngerti...
confused
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Nico Endra
Makin betah
Nico Endra


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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Mar 31, 2010 12:19 am

mantau aja..ah.... sapa tau dapet warisan lagi... bisa buat ampli tabung....
sekarang buat beli tabung LPJ aja susah... apalagi buat beli tabung audio...Smile)
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bayu_er
Udah bintang 3 lho
bayu_er


Male Jumlah posting : 259
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Age : 48
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Mar 31, 2010 12:37 pm

gwendy wrote:
Ra 22K, Rk 1,5K ? Tube akan cepat lemah.

Memang idealnya berapa untuk Ra dan Rk nya ?...mas Gwendy



@ mas Dono : Memang sih...sy sdh keracunan tube , hingga sampai sekarang , melihat tube sedang on (filamen) di malam hari, terutama suara dihasilkannya.
cuma kalau sedang ngoprek sering kelupaan kesentuh teg HV.
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gwendy
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gwendy


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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Mar 31, 2010 3:29 pm

klu ikut loadline tube harusnya Ra 200K rk sdh cocok klu Ra dikecilkan maka Rk harus dibesarkan, Voltage harus sekitar 130 volt klu diukur di Cathode dan Plate
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rahmad
Mulai Betah
rahmad


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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Mar 31, 2010 5:41 pm

tanya ni..datasheet tabung current voltage filament 1,2A klu dikasih 3A gimana ya ?
thx...
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


Male Jumlah posting : 264
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Mar 31, 2010 9:25 pm

12au7 saya itungnya

Gm : 2.2
Mu : 17
R plate : 7700 Ohm
Plate Dissipation : 2.75 W

ra : 22k

b+ : 250v

i :250 / 22k
i : 11,3ma

tegangan grid ambil -6
tarik dari loadline bias dengan hasil
operasi va =150v
operasi ma=4ma

rk = 6v / 4ma
rk = 1500 ohm
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gwendy
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gwendy


Male Jumlah posting : 3023
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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 01, 2010 7:40 am

oww ya saya hitungnya di 12AX7
klu 12AU7 150 masih kebesaran harusnya di 131 volt aja Ampun
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bayu_er
Udah bintang 3 lho
bayu_er


Male Jumlah posting : 259
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Age : 48
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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 01, 2010 9:08 am

rahmad wrote:
tanya ni..datasheet tabung current voltage filament 1,2A klu dikasih 3A gimana ya ?
thx...
Terlalu besar kalau 3 A ,kalau gak kasih 1 A - 2 A.Terlalu besar amper ,efeknya daya tahan filament cepat menurun.
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


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buffer tube super murah - Page 4 Empty
PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 01, 2010 9:26 am

rahmad wrote:
tanya ni..datasheet tabung current voltage filament 1,2A klu dikasih 3A gimana ya ?
thx...
kasih aja lm317/117 kan garansi max curent 1a . . .
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 01, 2010 9:27 am

gwendy wrote:
oww ya saya hitungnya di 12AX7
klu 12AU7 150 masih kebesaran harusnya di 131 volt aja Ampun
oke ... makasih om gwendy ntar aku coba .... ide
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monster vision
Makin betah
monster vision


Male Jumlah posting : 138
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Age : 41
Lokasi : Medan

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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyWed Apr 07, 2010 5:36 pm

Mas yoko gimana kabar proyek kita nih Very Happy Very Happy Very Happy Very Happy
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 08, 2010 1:06 am

sory mas .. ni pcbnya masih tak sablonkan ...
sory g ada kabar soalnya sibuk banget ama kerjaan ..... Ampun
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monster vision
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monster vision


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptyThu Apr 08, 2010 4:15 am

Siap bos... heheheh... moga2 Cepat kelar yak Very Happy Very Happy Very Happy
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptySat Apr 10, 2010 3:59 pm

waduh pcbnya harus di revisi lagi nich ... timbul noise ....
soalnya aku wiring suaranya lebih oke nich .... lebih ngayun ...
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yoko_pratama
Udah bintang 3 lho
yoko_pratama


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PostSubject: Re: buffer tube super murah   buffer tube super murah - Page 4 EmptySat Apr 10, 2010 4:04 pm

revisi untuk rk diganti 150 ohm .... suara lebih oke ....
input dikasi r sebesar 100 ohm ... c out bypass 1 mega ...
b+ 275 - 280 v ...
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