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Author Topic: SAKURA AV-200T Tube Amp  (Read 356345 times)

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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #840 on: Oct 12, 2013 at 04:51 PM »
@lonto08, are you selling Crown drivers also? like these jackhammer series?
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #841 on: Oct 12, 2013 at 05:05 PM »
@ATJr., Yes we sell ALL Sakura and Crown Products, As I said, We are the Supplier of Crown and Sakura Products in Philippines, so you can buy products from us (Volume or Personal Use)

BTW ATJr.,We are looking for possible dealers here at pinoyDVD, can you help me? TIA!! :D

As far as I know, My BOSS is planning to add 1 another Tube Amp, with higher wattage. But for now, we only have 1 model for Tube Amp which is the SAKURA AV-200T.

Thank you for asking ATJr., feel free to cantact me at 514 04 29 or 09175091547.

-Manuel

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Offline DTNS

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Re: SAKURA AV-200T Tube Amp
« Reply #842 on: Oct 12, 2013 at 06:10 PM »
what are the requirements to be a Crown/Sakura dealer?
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #843 on: Oct 12, 2013 at 06:50 PM »
Quote from: lonto08 on Oct 12, 2013 at 05:05 PM
@ATJr., Yes we sell ALL Sakura and Crown Products, As I said, We are the Supplier of Crown and Sakura Products in Philippines, so you can buy products from us (Volume or Personal Use)

BTW ATJr.,We are looking for possible dealers here at pinoyDVD, can you help me? TIA!! :D

As far as I know, My BOSS is planning to add 1 another Tube Amp, with higher wattage. But for now, we only have 1 model for Tube Amp which is the SAKURA AV-200T.

Thank you for asking ATJr., feel free to cantact me at 514 04 29 or 09175091547.

-Manuel



sorry no inclination to be a dealer....:D
but i can design for you an honest to goodness "tube amp" and you can have it mass produced in china for low cost....
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #844 on: Oct 13, 2013 at 08:43 AM »
wrt to the Sakura AV200, one upgrade i would like to see you apply on your product is that you parallel two sections of the peanut tubes 6N2, pin 1 // pin 6; pin 2 // pin7 ; pin 3 // pin 8, reason for this is to avoid cathode poisoning that happens when triode filament is on and no voltages are applied to the elements of the triode...

another plus is that transconductance is doubled, output impedance is lowered, makes for a better sounding amp....

but the biggest plus i would say is that amplifier downtime is halved...
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Offline markcrenz

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Re: SAKURA AV-200T Tube Amp
« Reply #845 on: Oct 13, 2013 at 10:17 AM »
that leaves av200t owners in a conundrum: to immediately apply that corrective measure dahil mali yung implementation ng original, or to wait till the warranty is over.

pag binuksan agad to parallel those 6n2 pins, void na waranty, pero tatagal buhay ng tubes.

pag 'di pinakialaman so as to not void the warranty, baka di na rin tumagal ang tubes kasi na-poison na.



habang di pa naaayos ng supplier yung design flaw, what would you suggest to the buyers master tony?

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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #846 on: Oct 13, 2013 at 11:07 AM »
Quote from: markcrenz on Oct 13, 2013 at 10:17 AM
that leaves av200t owners in a conundrum: to immediately apply that corrective measure dahil mali yung implementation ng original, or to wait till the warranty is over.

pag binuksan agad to parallel those 6n2 pins, void na waranty, pero tatagal buhay ng tubes.

pag 'di pinakialaman so as to not void the warranty, baka di na rin tumagal ang tubes kasi na-poison na.



habang di pa naaayos ng supplier yung design flaw, what would you suggest to the buyers master tony?



i wouldn't call it a design flaw...way i look at it, the designer was not aware of that possible issue....
that is why i suggest the vendor to make that mod in-house before they sell their amps...
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Offline markcrenz

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Re: SAKURA AV-200T Tube Amp
« Reply #847 on: Oct 13, 2013 at 11:46 AM »
okay let's call it a design oversight then.  :)

i agree it's a great suggestion for the maker/vendor. i know you're an expert on these stuff.

back to my question, what do you suggest para doon sa nakabili na or planning to buy na? tweak agad or keep it intact for the warranty? nagbabalak din kasi ako and it would of course help me/us make a better decision.
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #848 on: Oct 13, 2013 at 11:51 AM »
not too many people are aware of cathode poisoning....they would rather change caps and do other mods.. >:D

that is why i post that issue here so that owners can enjoy trouble-free listening on their Sakura's...

for those who like to tube roll, just about any 6.3 volt twin triodes can be used....
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #849 on: Oct 14, 2013 at 06:06 PM »
Quote from: ATJr. on Oct 13, 2013 at 08:43 AM
wrt to the Sakura AV200, one upgrade i would like to see you apply on your product is that you parallel two sections of the peanut tubes 6N2, pin 1 // pin 6; pin 2 // pin7 ; pin 3 // pin 8, reason for this is to avoid cathode poisoning that happens when triode filament is on and no voltages are applied to the elements of the triode...

another plus is that transconductance is doubled, output impedance is lowered, makes for a better sounding amp....

but the biggest plus i would say is that amplifier downtime is halved...

Okay I'll tell my BOSS about this.
Thank you ATJr.  :)
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #850 on: Oct 14, 2013 at 06:57 PM »
 ;D and i am not charging you for that....pro bono.... ;D
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Offline NongP

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Re: SAKURA AV-200T Tube Amp
« Reply #851 on: Oct 15, 2013 at 08:32 PM »
pa post naman po ng drawing kung paano po ito gawin (parallel two sections of the peanut tubes...) no background in electronics. salamat ng marami!
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #852 on: Oct 15, 2013 at 08:35 PM »
Quote from: NongP on Oct 15, 2013 at 08:32 PM
pa post naman po ng drawing kung paano po ito gawin (parallel two sections of the peanut tubes...) no background in electronics. salamat ng marami!

very easy, just jumper pin 1 to pin 6, pin2 to pin 7, pin 3 to pin 8...

from the underside of the board, pin 1 is the one on the left side of the gap, counting clockwise to pin 9...

really easy as counting 1, 2, 3...mas matagal pa yung pagbaklas, daming screws....

make sure na walang sobrang screws pag katapos....:D
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Offline NongP

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Re: SAKURA AV-200T Tube Amp
« Reply #853 on: Oct 15, 2013 at 09:03 PM »
makaipon sana ako ng maraming lakas ng loob para magawa ko na ito :) salamat uli master Tony.
« Last Edit: Oct 15, 2013 at 09:05 PM by NongP »
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Offline markcrenz

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Re: SAKURA AV-200T Tube Amp
« Reply #854 on: Oct 15, 2013 at 09:24 PM »
^ kung malapit ka sa proj 8 QC tulungan kita.
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Offline Nelson de Leon

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Re: Re: SAKURA AV-200T Tube Amp
« Reply #855 on: Oct 15, 2013 at 10:07 PM »
Quote from: NongP on Oct 15, 2013 at 09:03 PM
makaipon sana ako ng maraming lakas ng loob para magawa ko na ito :) salamat uli master Tony.

Pag labas nyan kina don king markcrenz, VTL na yan amp mo. Di na sakura. :D


Quote from: markcrenz on Oct 15, 2013 at 09:24 PM
^ kung malapit ka sa proj 8 QC tulungan kita.
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Offline remington

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Re: SAKURA AV-200T Tube Amp
« Reply #856 on: Oct 15, 2013 at 10:14 PM »
Quote from: Nelson de Leon on Oct 15, 2013 at 10:07 PM
Pag labas nyan kina don king markcrenz, VTL na yan amp mo. Di na sakura. :D


very dramatic transformation ^-^ ^-^ ^-^
« Last Edit: Oct 15, 2013 at 10:14 PM by remington »
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Offline docrob

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Re: SAKURA AV-200T Tube Amp
« Reply #857 on: Oct 16, 2013 at 11:29 AM »
Quote from: markcrenz on Oct 15, 2013 at 09:24 PM
^ kung malapit ka sa proj 8 QC tulungan kita.

many will help you sir, go ahead with the suggestion of sir Tony you'll be pleased :D
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Offline markcrenz

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Re: SAKURA AV-200T Tube Amp
« Reply #858 on: Oct 16, 2013 at 11:38 AM »
Quote from: Nelson de Leon on Oct 15, 2013 at 10:07 PM
Pag labas nyan kina don king markcrenz, VTL na yan amp mo. Di na sakura. :D


Very Tunog Lata? wag mo naman takutin...
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Offline Nelson de Leon

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Re: Re: SAKURA AV-200T Tube Amp
« Reply #859 on: Oct 16, 2013 at 08:32 PM »
Quote from: markcrenz on Oct 16, 2013 at 11:38 AM
Very Tunog Lata? wag mo naman takutin...

Very Tube Lover.
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Offline nods

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Re: SAKURA AV-200T Tube Amp
« Reply #860 on: Oct 17, 2013 at 10:47 AM »
PinoyDVD Tube Masters + China manufacturing + nice looking case = profit!

Seriously, pag-usapan na ito.  Let me be the first in line :D
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Offline ATJr.

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Re: SAKURA AV-200T Tube Amp
« Reply #861 on: Oct 17, 2013 at 11:56 AM »
Quote from: nods on Oct 17, 2013 at 10:47 AM
PinoyDVD Tube Masters + China manufacturing + nice looking case = profit!

Seriously, pag-usapan na ito.  Let me be the first in line :D

economy of scale, diy is not exactly cheap, mas mura yung mga ready made amps....
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #862 on: Oct 17, 2013 at 01:11 PM »
Quote from: nods on Oct 17, 2013 at 10:47 AM
PinoyDVD Tube Masters + China manufacturing + nice looking case = profit!

Seriously, pag-usapan na ito.  Let me be the first in line :D

May kausap na ko about this, marami daw uhaw sa AV-200T (Modified), for now ang usapan namin is Supplyan ko sya, then sila bahala sa Marketing and Modification in short, Original Equipment Manufacturer.

:)
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Offline TOP 20

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Re: SAKURA AV-200T Tube Amp
« Reply #863 on: Oct 17, 2013 at 09:24 PM »
Quote from: lonto08 on Oct 17, 2013 at 01:11 PM
May kausap na ko about this, marami daw uhaw sa AV-200T (Modified), for now ang usapan namin is Supplyan ko sya, then sila bahala sa Marketing and Modification in short, Original Equipment Manufacturer.

:)

Welcome development here...
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #864 on: Oct 27, 2013 at 01:24 PM »
Happy Sunday guys !

Nagulat ako may pumunta samin kahapon to buy AV-200T,
Sabi nya meron daw yung kaibigan nya nun pero ibang iba daw yung sa kaibigan nya,

Medyo nakakahiya tuloy kasi yung showroom namin parang bodega kasi mag lilipat na kami sa St. Francis Square, likod ng megamall

and yung ginamit namin na speaker is crown ( hindi pa Hi-Fi)

pero satisfied naman sya :)
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Offline qguy

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Re: SAKURA AV-200T Tube Amp
« Reply #865 on: Oct 27, 2013 at 06:36 PM »
How much ang price AV200T ?
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Offline corpse grinder

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Re: SAKURA AV-200T Tube Amp
« Reply #866 on: Oct 27, 2013 at 07:06 PM »
Quote from: lonto08 on Oct 27, 2013 at 01:24 PM
Happy Sunday guys !

Nagulat ako may pumunta samin kahapon to buy AV-200T,
Sabi nya meron daw yung kaibigan nya nun pero ibang iba daw yung sa kaibigan nya,

Medyo nakakahiya tuloy kasi yung showroom namin parang bodega kasi mag lilipat na kami sa St. Francis Square, likod ng megamall

and yung ginamit namin na speaker is crown ( hindi pa Hi-Fi)

pero satisfied naman sya :)


sir lonto08 kelan kayo maglilipat sa st.francis square? at kelan po pwede mag audition sa show room nyo? medyo madali puntahan yan place nyo.salamat po
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #867 on: Oct 28, 2013 at 07:48 PM »
Quote from: corpse grinder on Oct 27, 2013 at 07:06 PM

sir lonto08 kelan kayo maglilipat sa st.francis square? at kelan po pwede mag audition sa show room nyo? medyo madali puntahan yan place nyo.salamat po

Advise kita Sir or abang kayo sa mga post ko or sa mga post na related sa CROWN / SAKURA,

Pero baka mga first or second week ng November
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Offline lonto08

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Re: SAKURA AV-200T Tube Amp
« Reply #868 on: Oct 28, 2013 at 07:49 PM »
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Offline corpse grinder

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Re: SAKURA AV-200T Tube Amp
« Reply #869 on: Oct 29, 2013 at 04:09 AM »
Quote from: lonto08 on Oct 28, 2013 at 07:48 PM
Advise kita Sir or abang kayo sa mga post ko or sa mga post na related sa CROWN / SAKURA,

Pero baka mga first or second week ng November

thanks sir....abang abang na lng kami....
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