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FAQs
Q1: "The power cord is connected, but the tubes do not light up when the power button is pressed."
A1: The main fuse was blown.
You need to unplug the power cord. Use a flat head screwdriver to pull out the fuse box.
There is a spare fuse inside. Use it to replace the blown one.
A blown fuse is usually an indication of at least one defective tube.
5x20mm 3A slow blown for MP-701, MP-301, MP-303, MP-DX, MP-D2, MP-D1.
5x20mm 5A slow blown for MP-401.
5x20mm 8A slow blown for MP-501, MP-402.
Recommended fuse brands: ESKA, Bussmann, Littelfuse
Q2: "How is the Psvane CV181 TII comparing to NOS E88CC such as telefunken?"
A2: E88CC provides the highest output gain. Here is an output gain list, starting from lowest to highest.
6H30Pi < 6SN7 and CV181 < 12AU7 < 6H1n, ECC88 and E88CC
A genuine Telefunken E88CC usually has a diamond logo at the bottom of the glass.
It is considered to be one of the best sounding E88CCs providing quite transparent sounding with excellent dynamics.
In general, most of the E88CC tubes are more focused on the mid to higher frequencies transparency.
6SN7 on the other hand produces thicker and warmer midbass and midrange. Less transparent than E88CC.
The output gain is lower. In general, more relax (a bit slower) sounding.
The psvane CV181 TII is considered to be the current best 6SN7 in the market.
It is an excellent match when using it with MP-DX DAC.
The strength: The bass is powerful and well defined. The mid is smooth, warm and clean with plenty of details.
The weakness: The very high frequency extension is not as good as the telefunken E88CC, but it is still one of the best in the 6SN7/CV181 family.
So, if you are looking for a bit lower noise floor, stronger bass, more analog like warmer and thicker midrange, a bit less very high frequency sharpness, the CV181 TII is the tube you desire.
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Musical Paradise © 2025