Elekit TU-879S 6L6GC - diyAudio
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Old 12th January 2010, 06:23 AM   #1
vkung is offline vkung  Canada
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Default Elekit TU-879S 6L6GC

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VKMusic.ca proudly presents the Elekit Audio Kit to North America DIY enthusiasts and hobbyists since 2007.
This high quality vacuum tube kit is Made in Japan.

The following 2 reviews are organised by VKMusic.ca .
Reviews:

6moons
6moons audio reviews: Elekit TU-879S

Positive Feed Back
Positive Feedback Review

This is a single stereo power amplifier using the powerful 6L6GC. Assembly is easy. Anyone can follow the printed circuit board and obtain the same result. For this reason, you do not need to know the details of wiring and other technical details to assemble a vacuum tube.

TU-879S allows you to use KT88, KT66, EL34 (6CA7) power tubes without any ADJUSTMENTS.

This amplifier is compact and powerful enough to surpass the capacity of output transformer in other models under the same class of our company (TU-877, 874, etc.). This amplifier includes premium capacitors which enhance the sound quality.

This amplifier installed with advanced "R-core transformer" as a power transformer that enables clear tone quality. To improve transient characteristics, both polypropylene film capacitor act as a coupling capacitor (previous model: polyester film) and low-ESR electrolytic capacitor are adopted in TU-879S. The highest S/N ratio among our models thanks to large reduction of ham-noise.

The ripple filter used with π-MOS FET in our higher end models is improved. The driver tube heater is powered from a DC supply with a 2mm thick shielded panel added to effectively reduce hum noise to the minimum. A number of other components have also been upgraded.
Great for hobbyists and DIY enthusiasts:

Specification
Vacuum Tubes : 6L6GC2, 12AX7(ECC83)1
Features:
The ripple filter used with π-MOS FET
DC heater supply for 12AX7
Rated Output :8.5W + 8.5W ( 8Ω)
Suitable Speaker : 3.2~6Ω, 6~16Ω
Residual noise : 0.26mV (WIDE), 0.035mV (IEC weighting)
S/N Ratio : 90dB (WIDE), 107.5dB (IEC weighting)
Frequency Response: 20~43,000Hz (-3dB)
Input Resistance :75kΩ
Rated Input :430mV
Input Terminal :Line x 2 (RCA Jack/ Gold Plated)
Fuse :2A (AC 100V ), 0.3A(B Power)
Supply Voltage :AC 100V/120V** 50/60Hz
Energy Consumption :70W
Dimension (mm) W154H140D400(including projections)
Weight : Approx. 6.5kg

Price : $575.00 (for DIYaudio member only)
VKMusic.ca Home page

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Last edited by vkung; 15th February 2014 at 04:49 AM.
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Old 16th March 2010, 02:29 PM   #2
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How newb friendly is the construction manual?
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Old 16th March 2010, 04:07 PM   #3
vkung is offline vkung  Canada
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Quote:
Originally Posted by Rick J. B. View Post
How newb friendly is the construction manual?
If you send me your email address, I will send you the first few pages of the manual. It is very newb friendly.

TU-879S Step-by-Step Assembly Instructions
ELEKIT TU-879S>
Thanks
Victor

Last edited by vkung; 16th March 2010 at 04:10 PM.
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Old 17th March 2010, 12:52 AM   #4
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Victor, thanks for the information you sent, I appreciate the prompt reply.

I'm sure I'll have more questions, but I like what I've seen thus far.
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Old 4th September 2010, 02:23 PM   #5
w5jag is offline w5jag  United States
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Location: Arkansas
I purchased a TU-879S from Tube Depot (they are in Memphis, so pretty local to me) with the intention of building it this weekend.

I'm at our lake house for the labor day weekend, so I'm not sure how much progress I can make with all the other holiday stuff that will be going on.

A couple of initial observations: with my kit, the documentation is entirely in japanese! Still, it looks simple enough, the pictures are clear, the board is intuitively marked (components that go on the reverse side have a dashed outline) so it looks like no big deal. The board looks to be very high quality.

The output trannies look to be sized identically, as in drop in replacement with no drilling, for the 10 watt XSE Edcors!

More later, and pics if I can figure it out from my cell phone.

Win W5JAG
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Old 4th September 2010, 03:11 PM   #6
vkung is offline vkung  Canada
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Here is the link will assist you during your building process.

ELEKIT TU-879S>*
If you have any questions about your building process, I am happy to assist you.

I have been selling TU-879S since 2008.

Thanks
Victor
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Old 4th September 2010, 07:12 PM   #7
w5jag is offline w5jag  United States
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Thanks, Victor.

I'll take pictures as I go, and when I get a chance I'll start a thread on the build of this kit, since there hasn't been much activity on this forum regarding it.

It sure looks like a nice kit, and I hope to get started on it in a few hours.

Win W5JAG
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Old 4th September 2010, 11:16 PM   #8
vkung is offline vkung  Canada
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As long as you follow the instruction, you should be no problem.

More people posted their feedback in
Elekit Kits Forum

A pair of RCA Red Label 6L6Gc and 1 Telefunken 12AX7 will improve this amp further..

Victor
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Old 5th September 2010, 10:47 PM   #9
w5jag is offline w5jag  United States
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Powered up without any issues, and has been running for the last couple of hours.

Sounds very good.

More in a day or so.

Win W5JAG
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Old 5th September 2010, 11:59 PM   #10
vkung is offline vkung  Canada
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I am glad you have no issue to assembly this amp.

Tube rolling" is fun for this amp by changing the output tube to a different type (6L6GC, KT66, EL34, KT88, & 6550C) that various tube types "sound" different.
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