Author Topic: AMX Tube Products  (Read 718270 times)

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Offline qguy

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Re: AMX Tube Products
« Reply #4710 on: Nov 14, 2008 at 08:43 AM »
HI AMX,

Whats the difference between Sonatina having 2 smaller tubes and El34/6L6GC Minima having 3 smaller tubes

Can you PM the price of the SE  KT88 - thanks

Offline dindop

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Re: AMX Tube Products
« Reply #4711 on: Nov 14, 2008 at 12:06 PM »
just bring over the NAD and we will try them. Hindi pa for sale kasi understudy pa if there is a demand. Kasi i want to be sure may demand for this product. And I want to find out how much people are willing to pay for a gizmo like this. It can take COAX or Optical input. It has two sets of output, one direct SS output and another via "tube converter."

Will it be ready for audition sometime December?  ;D ;D ;D
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4712 on: Nov 15, 2008 at 08:53 PM »
Will it be ready for audition sometime December?  ;D ;D ;D
Yes it is available today for auditioning.
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4713 on: Nov 15, 2008 at 08:58 PM »
HI AMX,

Whats the difference between Sonatina having 2 smaller tubes and El34/6L6GC Minima having 3 smaller tubes

Can you PM the price of the SE  KT88 - thanks
Sonatina uses EL84, push pull 15 watts per channel and the El34/6L6GC Minima has twice the power of 30 watts per channel. The Minima 6L6GC has a newer version, Class A push pull auto Bias 3 tubes per channel also 30 watts per channel. This has excellent sonics a fast dynamics. Price is also very low for the kind of performance it delivers
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4714 on: Nov 15, 2008 at 09:03 PM »
This is the 6L^GC Minima. The design is minimalist in philosophy. Limited number of stages to preserve sonic purity.
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Offline squatt3r

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Re: AMX Tube Products
« Reply #4715 on: Nov 15, 2008 at 11:05 PM »
sir andrew, are there plans for a 6C33C tube amp?

Offline AMXTube

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Re: AMX Tube Products
« Reply #4716 on: Nov 16, 2008 at 07:16 PM »
sir andrew, are there plans for a 6C33C tube amp?

How did you know? I was keeping this under wraps,. I just got the tubes and sockets and currently designing the transformers. I will keep you posted. It is a hot tube!
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Offline squatt3r

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Re: AMX Tube Products
« Reply #4717 on: Nov 16, 2008 at 08:31 PM »
How did you know? I was keeping this under wraps,.

just a wild guess sir   :D

Offline muypogi

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Re: AMX Tube Products
« Reply #4718 on: Nov 17, 2008 at 02:17 PM »
How did you know? I was keeping this under wraps,. I just got the tubes and sockets and currently designing the transformers. I will keep you posted. It is a hot tube!

Sana high output din tulad nung LAMM amp na nasa hi-fi show. . . para kaya all types of music.  The LAMM I think goes to at least 90wpc in PP configuration.

http://www.lammindustries.com/PRODUCTS/Ml11descr.html

Or this 18wpc Almarro amp. . with tube cage and remote control. . .and more power. . .

« Last Edit: Nov 17, 2008 at 05:53 PM by muypogi »

Offline AMXTube

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Re: AMX Tube Products
« Reply #4719 on: Nov 17, 2008 at 11:30 PM »
Sana high output din tulad nung LAMM amp na nasa hi-fi show. . . para kaya all types of music.  The LAMM I think goes to at least 90wpc in PP configuration.

http://www.lammindustries.com/PRODUCTS/Ml11descr.html

Or this 18wpc Almarro amp. . with tube cage and remote control. . .and more power. . .


True power output of SE 6C33CB is only 15 watts rms per channel, and push pull is about 50 watts per channel only.
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Offline qguy

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Re: AMX Tube Products
« Reply #4720 on: Nov 19, 2008 at 05:48 AM »
thanks , I was curious at the pre-amp section. from what I understand tubes amps requires  a driver tube and the pre-amp also requires a small tube. In some of your designs like the Sonatina, I see only a pair of small tubes..are these for the pre-amp section ?

Sonatina uses EL84, push pull 15 watts per channel and the El34/6L6GC Minima has twice the power of 30 watts per channel. The Minima 6L6GC has a newer version, Class A push pull auto Bias 3 tubes per channel also 30 watts per channel. This has excellent sonics a fast dynamics. Price is also very low for the kind of performance it delivers
« Last Edit: Nov 19, 2008 at 05:50 AM by qguy »

Offline AMXTube

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Re: AMX Tube Products
« Reply #4721 on: Nov 19, 2008 at 06:14 PM »
thanks , I was curious at the pre-amp section. from what I understand tubes amps requires  a driver tube and the pre-amp also requires a small tube. In some of your designs like the Sonatina, I see only a pair of small tubes..are these for the pre-amp section ?

It will depend on the circuit design. Some use high gain tubes and minimum or no negative feed back. When such design is used a CD player with output level between 500milli volts to 2000 milli volts will be more than enough to drive the amp to full power output. Such is the case with EL84. Now some amps that use low gain tubes and hard to drive power triodes will almost always need a preamp.
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Offline praktikal

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Re: AMX Tube Products
« Reply #4722 on: Nov 19, 2008 at 06:19 PM »
sent you a PM sir Andrew. ;)

just called your shop umalis na daw po kayo.  ;)

salamat po.

Offline bz

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Re: AMX Tube Products
« Reply #4723 on: Nov 19, 2008 at 11:13 PM »
I brought my NAD and tried your DAC using RCA. Everything seems to bloom not in a distorted way but the instrument became more obvious. Nice job!!!

Offline praktikal

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Re: AMX Tube Products
« Reply #4724 on: Nov 20, 2008 at 06:07 PM »
This 4 watt/ch baby amp can really rock. It can drive the Jlab Focal Cobalt with deep bass and crisp highs.Audition this amp>


sa wakas nakabisita din sa Kinetic!  ;)

I'd call this baby -- CariƱosa

looking forward to have this in our bedroom, sana soon.  ::)

Sir Andrew thanks.

-noli


Offline praktikal

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Re: AMX Tube Products
« Reply #4725 on: Nov 20, 2008 at 06:32 PM »
ano say nyo Sir? sori po, medyo napagtripan ko lang  ;D




Offline AMXTube

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Re: AMX Tube Products
« Reply #4726 on: Nov 20, 2008 at 10:53 PM »
ano say nyo Sir? sori po, medyo napagtripan ko lang  ;D




Ok ha! There is an old kundiman song titled "Carinyosa"
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4727 on: Nov 22, 2008 at 12:07 AM »
The classic EL34 revisited, gutsy and dynamic, a true Class A rocker, Auto Bias, pure dynamics...
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Re: AMX Tube Products
« Reply #4728 on: Nov 22, 2008 at 12:08 AM »
Congratulations Sir Andrew!
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Offline joepaps

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Re: AMX Tube Products
« Reply #4729 on: Nov 22, 2008 at 08:33 AM »
The classic EL34 revisited, gutsy and dynamic, a true Class A rocker, Auto Bias, pure dynamics...

wow naman!! bakit ngayun ka lang.

Offline BigBert-2

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Re: AMX Tube Products
« Reply #4730 on: Nov 22, 2008 at 09:21 AM »
Wow! Congrats Sir Andrew.

Offline AMXTube

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Re: AMX Tube Products
« Reply #4731 on: Nov 22, 2008 at 10:59 PM »
Wow! Congrats Sir Andrew.
Thanks, and this amp when fast. But we can still take orders.
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4732 on: Nov 22, 2008 at 11:30 PM »
Congratulations Sir Andrew!
Thank you, muzta na kayo sir?
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4733 on: Nov 22, 2008 at 11:32 PM »
For those who want SE power here is one. 211 or 845 Monoblock
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Re: AMX Tube Products
« Reply #4734 on: Nov 23, 2008 at 12:20 AM »
Thank you, muzta na kayo sir?

Di pa ako nakabisita sa Pioneer...I'll make sure to visit you one of these days...Regards!...Gusto ko yung mala-LAMM power amp ha, sir...usap tayo, hehe! :D
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Re: AMX Tube Products
« Reply #4735 on: Nov 24, 2008 at 08:06 PM »
Di pa ako nakabisita sa Pioneer...I'll make sure to visit you one of these days...Regards!...Gusto ko yung mala-LAMM power amp ha, sir...usap tayo, hehe! :D

The 6C33C Se amp is under construction 15 watts nominal and 18 watts if you want to squeeze out the tube. I will post this here forst. The 211 mono block  left for the US today, but we can build on orders.
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Re: AMX Tube Products
« Reply #4736 on: Nov 24, 2008 at 08:35 PM »
That's great...however, my speakers have similar specs to Sonus Fabers, rated around 89db at 4ohms...
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Offline squatt3r

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Re: AMX Tube Products
« Reply #4737 on: Nov 24, 2008 at 09:43 PM »
sir andrew magkakaroon ba kayo ng 6C33C on a PP config?

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Re: AMX Tube Products
« Reply #4738 on: Nov 25, 2008 at 01:26 AM »
Same here...maybe a 90-watter would do the trick...similar to the BAT VK-75SE, using 4 x devil tubes, 6 x 6SL7 octals, 2 x 6V6 and 2 x 6H30, Thanks!
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Offline AMXTube

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Re: AMX Tube Products
« Reply #4739 on: Nov 25, 2008 at 11:46 PM »
sir andrew magkakaroon ba kayo ng 6C33C on a PP config?
Design simulations on my software gives about 50 watts output RMS. The thing is, it has very low output impedance unlike other tubes. this gives it a lot of drive to overcome loudspeaker reactances. Have you heard of SV572-3 power triodes? A pair of that tube in push pull config can deliver over 100 watts RMS. Maybe that is what is more apt to this low efficiency speakers. SV572 triodes are made Svetlana WInged C and much touted by Eric Barbour. But remember that all low efficiency loudspeakers suffer from power compression. The more power you drive it with, the hotter the voice coil gets, ergo increase in impedance follows, then lower current into the voice coil which translates to lower power to the loudspeaker thus weaker output. FYI
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