Support 4 ways audio input. Gold-plated tube seat. Match tube Assembled board ，just for reference：. Gold-plated pcb. 6DJ8 or ECC88 x1.
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PSVANE 572B Vacuum Tube Replaces 572B HIFI Audio Valve Electronic Tube Amplifier Kit DIY Factory Test and Match Quad
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Tube model: 6X4 (ez90) 1, 12AY7 (6072) 8. The circuit is based on the very expensive kondo (audionote) M77 model. Tube preamplifier, compatible with Phono amplifier. It is designed to turn off the Phono amplifier function independently, switch the signal of 4-channel relay, and reserve a way to add chokes by yourself.
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PSVANE UK-EL34 UKEL34 Vacuum Tube Upgrade EL34 EL34C 6CA7 6P3P 6L6 HIFI Audio Valve Electronic Tube Amplifier Kit DIY
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Tube Type: 6E2 Cat's Eye Tubes (2 pieces included). 6E2 Tube Driver Board (fully assembled). 2 x 6E2 Cat's Eye Tubes. Display Color: Green fluorescent glow. Due to individual tube differences, slight variations in fluorescence height may occur.
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GOLD LION E88CC 6922 Vacuum Tube Upgrade 6922 E88CC ECC88 6DJ8 6N11 HIFI Audio Valve Electronic Tube Amplifier Kit DIY Aogutx
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MOFI-EAR834-Phono Amp(MM), It is based on the core circuit of the EAR834 phono amplifier. Compared with the commonly reproduction of EAR834, we improved Clean both sides of the blank PCB with paper towel and isopropyl alcohol or electronics flux remover, then solder the components to the board, starting with the lowest profile parts.
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PSVANE KT66-GE KT66GE Vacuum Tube Upgrade EL34 EL34C 6L6 KT77 KT88 7051A HIFI Audio Valve Tube Amp Kit DIY
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1x QUAD606 Kit Amplifier Board. The original operational amplifier TLC271 high performance OP is used. Weight of 1 board plus angle aluminium mono is 160g. Mono quiescent current ~approx. Output power 125W 8R, 250W 4R.
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Fire Crew LINLAI 6SN7 Vacuum Tube HIFI Audio Valve Replaces 6H8C 6N8P CV181 5692 Electronic Tube Amplifier Audio Kit DIY Match
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KIT & Finished board included 6J1 electronic tube. H.6J1-Tube Pre- Amplifier PCB & DIY KIT & Finished Board. We only refer the schematic of the amplification part of the circuit. Clean both sides of the blank PCB with paper towel and isopropyl alcohol or electronics flux remover, then solder the components to the board, starting with the lowest profile parts.
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Mullard 12AU7 ECC82 Vacuum Tube Upgrade B749 ECC802 E82CC CV491 B329 HIFI Audio Valve Electronic Tube Amplifier Kit DIY Matched
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DIY Kits 12AX7 + 6Z4 tube power amplifier board JP200 HIFI Tube Preamplifier
Aliexpress UK
Clean both sides of the blank PCB with paper towel and isopropyl alcohol or electronics flux remover, then solder the components to the board, starting with the lowest profile parts. Then solder the small capacitors, small transistors, followed by the larger capacitors.
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Mullard 12AX7 ECC83 Vacuum Tube HIFI Audio Valve Electronic Tube Amplifier Kit Diy Factory Precision Matched Quad Phono Preamp
Aliexpress UK