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Old 22nd January 2009, 12:11 PM   #11
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Default Hi There Mike,

Yes i have some photo's i can show to you ill add them now and you can have a look.

Greetings,

Arjen Helder
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File Type: jpg small forum use ta2020 new.jpg (50.0 KB, 2376 views)
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Old 15th March 2009, 08:40 PM   #12
tecker is offline tecker  Czech Republic
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Quote:
Originally posted by ArjenShenzhen
GLT,

i have just finished a nice PDF explaining how to mod this board and get the best out of it, any one that wants this file, please drop me a mail and ill send it to you .

if there is any way of posting files here on the forum that are say 800 KB, i'd like to know :-)

Greetings,

Arjen

BTW i can also throw it true MSN, Arjenhelder using the hotmail service dot com.
Hi Arjen, could you please send me the PDF on my e-mail, I just cannot reach you on your e-mail Myny thanks Petr
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Old 19th April 2009, 02:09 AM   #13
morglo is offline morglo  Sweden
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Hello mijnheer Helden

What versions of the TA2020 boards do you have available at the moment?
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Old 19th April 2009, 04:47 AM   #14
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Default TA2020

Hi there,

- Topping TA2020 MKIII ( fully finished )
- MKII PCB with 2.2uF/ 400v MKP caps
- Deluxe PCB with more options, such as better coils, delayed output switching and dc output asjustment

soon ill add a new model!

ill post it when done.

Greetings,

Arjen Helder
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Old 26th April 2009, 06:09 PM   #15
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Default Volume

Hi Arjen! I am waiting for one of your boards, (MKII PCB with 2.2uF/ 400v MKP caps) and as I am a complete electronics novice,
I was wondering about the upgrades you have mentioned ie 2x 6800microF added to power line and 2 x 470 microF added to ic input; you wrote in one of your replies that the 2.2uF was too small and needed to be larger in order to improve the (bass?) sound.
I am also wondering about volume control ( A pot is it?) I need one - right? Where and what would it connect to? (I know a fair bit of electronics theory, but have never needed to use it, until I saw these devine amps!!)

I feel I could do some of these simple mods, but have little knowledge of 'where I am on the board'. Is there a sinple diagram or simple instructions I can obtain from you or someone else?

Oh, we do put you through it - don't we?!!
Incidently, would adding tubes (6N7, 6N11), to the tripath IC design improve it's performance/sound, or is this a stupid question?
Many Kind Regards, and keep up the good work!
Tony Swaine (Chester, N.W. England)

PS My email is a.swaine@tiscali.co.uk - if anyone out there can offer any assistance as well.
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Old 27th April 2009, 02:19 AM   #16
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Default TA2020

Hi there Tony,

so you ordered the MKII TA2020 PCB? not to be confused with the Topping KII right?

The PCB has all the caps needed on the board, this does not need grading according to my measurements.

The idea of making a valve Pre-amp was already in my mind and ill order today the second lot of sample PCB's, after some improvements where added. im using a 12AX7 or the ECC81 equlivant, a famous tube that has good response and the PCB has a built in DC-DC converter, so no separate powersupply is needed, just 12-14 volts, thats all!

ill post specs as soon as im done with it!

Greetings,

Arjen Helder
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Old 27th April 2009, 02:54 AM   #17
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Location: Columbia, MO
Default Pdf for T amps

Argen,
Please post some links to your pdf for the products you sell. I can find no information other than some small pics. Interested in TA2024 and TA2020 boards, particularly the 6 channel with SMPS. What do you recommend for hookup to 3.5mm stereo or RCA? What would cables like this cost for use with your TA2024 boards instead of the little 3 wire adapter?
Thanks,
Ted
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Old 27th April 2009, 03:00 AM   #18
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Default Tripath PCB's

Hi there Ted, send me a mail and ill send them to you.

Arjenhelder@hotmail.com

Greetings!

Arjen
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Old 27th April 2009, 03:12 PM   #19
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Hi Arjen!
I have ordered this from your shop on ebay:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ebay item number 260395215821
- 1 X TA2020 PCB new version fully finished and tested ( length:11cm , width:6.3cm ,height:3cm )

* (another Back side of TA 2020 pcb board is not included,just want to show you the back side of TA2020 pcb )
- 1 X Powersupply cable
- 1 X insput signal cable
- 1 X On-Off power switch (single pole switch with light inside).

Improvements to the PCB:
-400 volts 2.2uF audio grade film capacitors! and plenty of space for upgrades!
-Connectors all situated at once side for eazy installation
-Bigger board size for more space to replace components
-Bigger output coils with a better transient response and thicker copper wire.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Do you have a PDF for this to assist in the attatchment of Volume, Input and 12V power supply, or are these points marked on the board?
Kind Regards, and thanks for your quick reply.
Tony
a.swaine@tiscali.co.uk
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Old 29th April 2009, 08:32 AM   #20
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Default TA2020 Info

Hi there Tony,

To connect a volume potmeter you have to do the following:

- every stereo potmeter has 6 pins, in 2 rows of 3. every row of 3 is one channel, so one for left and one for right.

the 2 last pins in each row can be connected to the ground wire from the PCB and from the source

the middle pins can be connected to the TA2020 PCB input

The 2 first pins can be connected to the source.

if you have connected it it looks like this:

[GND][R-amp][R-source]
[GND][L-amp][L-source]

then it should work!

all these connectors have there funtion written next to it.

Greetings,

Arjen Helder
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