Elekit TU8200 Tube Amp with additional upgrades (sold)
2 posters
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Elekit TU8200 Tube Amp with additional upgrades (sold)
Elekit TU8200 Tube Amp with additional upgrades.
In very good condition
Asking for SOLD
Contact Peter 012-3820333
Tubes : 6L6GC x 2, 12BH7 x 2
Circuit automatically adjusts bias for the optimal operation of each tube
3 amplification modes (triode, pentode and ultra-linear) can be selected using PCB jumpers - Ultra linear (8W + 8W) / Triode (4W + 4W) / Pentode (8.2W + 8.2W)
FET ripple filter on board for power B for both left and right channels
Has overcurrent protection
High quality PCB with 70um copper traces (double regular thickness)
Audio Inputs : 2 x RCA and 1 x 3.5mm jack
Audio Outputs - Speaker impedance selector switch - 8-16Ω / 4-6.3Ω
Headphone jack at front.
Parts upgrade done base on recommendation as per diy forum,
https://www.diyaudio.com/forums/elekit/331769-elekit-tu-8200dx.html
In very good condition
Asking for SOLD
Contact Peter 012-3820333
Tubes : 6L6GC x 2, 12BH7 x 2
Circuit automatically adjusts bias for the optimal operation of each tube
3 amplification modes (triode, pentode and ultra-linear) can be selected using PCB jumpers - Ultra linear (8W + 8W) / Triode (4W + 4W) / Pentode (8.2W + 8.2W)
FET ripple filter on board for power B for both left and right channels
Has overcurrent protection
High quality PCB with 70um copper traces (double regular thickness)
Audio Inputs : 2 x RCA and 1 x 3.5mm jack
Audio Outputs - Speaker impedance selector switch - 8-16Ω / 4-6.3Ω
Headphone jack at front.
Parts upgrade done base on recommendation as per diy forum,
https://www.diyaudio.com/forums/elekit/331769-elekit-tu-8200dx.html
Component(s) | Original Value | New Value | Comment |
C22 | 180μF/400V | 270-330μF/400V | Significantly less hum on headphone output. Max length = 36mm |
C23,C24 | 10μF/400V | 22μF/400V | More delay to B+ voltage, protecting tubes after switching on the amp. Max length = 36mm |
C7,C8,C11,C12 | 10μF/400V | 15μF/400V | Optional - gives a bit more room. Max length = 20mm |
C31,C32 | 3300μF/10V | 10000μF/10V | Higher and better filtered DC heater voltage. Max length = 36mm |
R64 | 0.47 Ohm | Short (0 Ohm) | Cut off a pin of a resistor, bend it twice |
D7 | DB107 | DB207 | Lower forward voltage drop. Required for driver update. |
C34,C35 | 220μF/16V | 220μF/16V | Optional - gives better high frequency filtering of bias reference |
C13,C14 | 220μF/16V | 470μF/16V | The low ESR is very important |
C33 | 220μF/16V | 330-470μF/16V | Better low frequency filtering of bias reference |
Last edited by peterclting on Wed Dec 07, 2022 7:27 pm; edited 1 time in total (Reason for editing : Sold)
peterclting- Frequent Contributor
- Number of posts : 3064
Age : 55
Location : Sunway
Registration date : 2018-03-02
Re: Elekit TU8200 Tube Amp with additional upgrades (sold)
THIS IS LUNDALL TRANSFORMER OR NORMAL Ei
engtteo- New Member
- Number of posts : 4
Age : 49
Location : kelantan
Registration date : 2011-12-09
Re: Elekit TU8200 Tube Amp with additional upgrades (sold)
Only the upgraded 8200R models uses Lundall transformers
peterclting- Frequent Contributor
- Number of posts : 3064
Age : 55
Location : Sunway
Registration date : 2018-03-02
peterclting- Frequent Contributor
- Number of posts : 3064
Age : 55
Location : Sunway
Registration date : 2018-03-02
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