Author Topic: Newbie and Not-so Noob Thread: Questions (FAQ) on anything Tubes  (Read 97940 times)

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Offline tedgat

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Please help ,what could be the problem of my amx amp ?it has a humming sound on the left channel?
Anything that i should check first before send it for servicing?

Offline iceman90a

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switch power tubes on the left side with those on the right, if hum is still there - try switching driver tubes, just to rule out if the tubes are source of hum
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Offline ATJr.

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Please help ,what could be the problem of my amx amp ?it has a humming sound on the left channel?
Anything that i should check first before send it for servicing?

depending on how loud the humming is, you can try wriggling you iinterconnects, could be loose contact somewhere...
That's OK, you can like or dislike anything you choose. That's the wonderful thing about the freedom

Offline tedgat

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ok will try ,medyo malaskas kasi.any other ?

Offline JojoD818

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try mo muna yun advice ni Tony while the power is off. then patunugin mo pag meron pa hum left channel off ulit then try naman yun advice ni iceman na swap power tubes, pag lumipat sa right palit ka power tubes. pag hindi lumipat sa right yun hum, yun naman driver tubes ang swap mo. pag lumipat sa right yun hum palitan mo na yun driver tubes.

if any of those advised to you doesn't work to remove the hum, better bring it to amx or to a qualified technician.


Offline tedgat

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thanks sa advise i'll bring it to phasetron nalang ,nothing happens

Offline RU9

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thanks sa advise i'll bring it to phasetron nalang ,nothing happens

Wala na yata ang Phasetron sa Makati.

You can go direct  to their factory outlet, Kinetic Audio Technologies, 123 Mangosteen Road FTI Complex Taguig City, MM Tels 8380590, 8384301 local 3552 nad 3554

Offline JojoD818

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thanks sa advise i'll bring it to phasetron nalang ,nothing happens


sad to hear that, better to bring it in for checkup.



Offline simonzaide

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newbie to tubes question
« Reply #518 on: Sep 03, 2008 at 09:30 PM »
hi i saw several amx pre amp devices for sale. i was hoping to get one kaso here is my question

can i connect this tube pre amp to my regular home theater amp or do i need to get a seperate amp for this ?

cd player/ipod - amx pre amp - yamaha ax620 ?

would this enhance my music listening experience ?

Offline karce

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Re: newbie to tubes question
« Reply #519 on: Sep 03, 2008 at 11:14 PM »
pwede yata pag may pre-in yung receiver mo.  a friend ko yun ginawa nya sa set-up sa bahay

Offline John E.

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Re: newbie to tubes question
« Reply #520 on: Sep 04, 2008 at 02:54 AM »
just get an integrated tube amp. amx also has these types of amp and sells at a reasonable price. di mo na kakailanganin gamitin yung receiver mo unlike a pre-amp, para separate ang audio and HT amp mo. ;)
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Offline blued888

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Re: newbie to tubes question
« Reply #521 on: Sep 04, 2008 at 03:16 AM »
Question, ano advantage ng tubes over normal stereo receivers? Mas lainis ang labas ng sound?

Offline John E.

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Re: newbie to tubes question
« Reply #522 on: Sep 04, 2008 at 04:09 AM »
some say that it sounds warm. i am no expert but for me (on personal experience) id say more detailed, specially on the mids. mas rinig mo ang pluck and strum ng guitars at tining ng piano keys. you will clearly notice the difference, like night and day  ;D it's like opening up the characteristics of your speakers, my bookshelf even became boomy with the 35wpc integrated tube amp. but id also say that it depends on the source you will be using, the type of speakers that you'll be driving and the music that you'll listen to. as everything still has to be appropriate and proportioned for it to have a good and balanced match.

i also think that the tubes power are under rated (or avrs are over rated  ;) )

i also tried using tubes on concert dvds but it did'nt sound good but the best sa cd/dvd audio or mp3 and vinyls.

once you go tube, you'll never go back. ;)
« Last Edit: Sep 04, 2008 at 06:05 AM by JohnE. »
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Offline simonzaide

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Re: newbie to tubes question
« Reply #523 on: Sep 04, 2008 at 08:29 AM »
would you know magkano selling ng tube amp ngyn na standalone ? also if pwede ko sya dikit sa current amp ko since may in naman sya would you recomment this ?

Offline John E.

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Re: newbie to tubes question
« Reply #524 on: Sep 04, 2008 at 08:44 AM »
1  unit : Sonatina EL84 15 watts per ch. with JJ tube
1 unit; Forte 6550 integrated amp 70 watts/ch
1 unit; KT90 SE Integrated 20 watts/ch
1 unit: Integra 6L6GC/EL34 with phono mag/tone controls
1 unit: 6L6GC Minima Integrated
1 pair: KT77 Monoblock !20 watts
1 unit: Pre-amp 12AU7 line stage only, tube rectified
1 unit: Pre-amp Vintage 6L5 Triode line stage
2 units:  Ipod Dock with JJ ECC88, remote Volume Control and track selector

Sold last week 1- Sonatina EL84 , 1 - AMX forte KT88 with remote

Meron pang iba hindi ko kasi memorized, sorry. For price pls call 7103432 or 6874805, thanks

call AMX for price list...i think the 20% off on all on-stock are still on going. they have good price range less 20% off ;D



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Offline John E.

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Re: newbie to tubes question
« Reply #525 on: Sep 04, 2008 at 08:48 AM »
would you know magkano selling ng tube amp ngyn na standalone ? also if pwede ko sya dikit sa current amp ko since may in naman sya would you recomment this ?

if i understand, stand alone meaning (tube amp) this will be your power amp and your avr will be your pre-amp.

i think you need a tube pre-amp for a tube amp but a integrated tube amp can use a non-tube power amp.

better ask master jojod. to confirm ;)
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Offline simonzaide

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Re: newbie to tubes question
« Reply #526 on: Sep 04, 2008 at 09:38 AM »
thank you all for your help

Offline AudioAmplified

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Re: newbie to tubes question
« Reply #527 on: Sep 04, 2008 at 12:09 PM »
sir...

in general tubes will give a warmer and more 3 dimensional holographic sound.  Its airy characteristic will replicate the human voice as well as string instruments better. 

of course there are ss that do sound like tubes but they are generally on the expensive side.  There are also tubes that sound harsh and bright.   Best way to know is to audition and compare them side by side as there is really no best system... but only systems that best suit your taste :)

happy gear hunting.

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Offline BigBert-2

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Re: newbie to tubes question
« Reply #528 on: Sep 04, 2008 at 02:01 PM »
hi i saw several amx pre amp devices for sale. i was hoping to get one kaso here is my question

can i connect this tube pre amp to my regular home theater amp or do i need to get a seperate amp for this ?

cd player/ipod - amx pre amp - yamaha ax620 ?

would this enhance my music listening experience ?

Better visit or call Kinetic aka "Phasetron". They are now on sale as mentioned above. Tel. no. is 710-4342.

 ;D

Offline simonzaide

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Re: newbie to tubes question
« Reply #529 on: Sep 04, 2008 at 03:16 PM »
would you have an idea how much an entry level integrated tube amp cost ? AMX brand ?

Offline John E.

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Re: newbie to tubes question
« Reply #530 on: Sep 04, 2008 at 03:26 PM »
guess is less than 20k...meron pa mas lower depende sa wattage...kasi they also quote per watt ;D also check out dared tube amps i think the vp-16 is less than 15k at 18wpc.
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Offline John E.

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Re: newbie to tubes question
« Reply #531 on: Sep 04, 2008 at 03:29 PM »
if member ka din sa wired state check this out  ;D http://wiredstate.com/forum/viewtopic.php?t=17752&highlight=

cheapest pala is the dared mp-5 cute amp ;D
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Offline simonzaide

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Re: newbie to tubes question
« Reply #532 on: Sep 04, 2008 at 03:30 PM »
thanks sir would u know where i can check out the dared tube amp ?

Offline John E.

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Re: newbie to tubes question
« Reply #533 on: Sep 04, 2008 at 03:39 PM »
sights and sounds shangri-la ;) PM mo e-reply/vic ;D
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Offline simonzaide

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Re: newbie to tubes question
« Reply #534 on: Sep 04, 2008 at 03:50 PM »
thanks for the help.... tried calling the kinetic number kaso not in use

Offline John E.

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Re: newbie to tubes question
« Reply #535 on: Sep 04, 2008 at 03:58 PM »
try this other number 6874805  ;) saw this at amx thread.
« Last Edit: Sep 04, 2008 at 04:02 PM by JohnE. »
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Offline reynold

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Re: newbie to tubes question
« Reply #536 on: Sep 04, 2008 at 04:19 PM »
Question, ano advantage ng tubes over normal stereo receivers? Mas lainis ang labas ng sound?


Depends on the type of music that you are into... if you like vocals, then tube amp is the best equipment to use, warm, sweet, airy, detailed, etc... but if you prefer rock/alternative music... SS amps is still better than tube for these kind of music, imo ;)
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Offline BigBert-2

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Re: newbie to tubes question
« Reply #537 on: Sep 04, 2008 at 05:35 PM »
thanks for the help.... tried calling the kinetic number kaso not in use

Bro, try mo pala 710-3432.
« Last Edit: Sep 04, 2008 at 07:13 PM by BigBert-2 »

Offline AudioAmplified

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Re: newbie to tubes question
« Reply #538 on: Sep 04, 2008 at 10:40 PM »
sir you can try Cayin too

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Offline simonzaide

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Re: newbie to tubes question
« Reply #539 on: Sep 04, 2008 at 10:45 PM »
medyo mahal na masyado para sakin cayin :)