NOT Incloued MRF300AN and MRF300BN LDMOS power amplifier tubes. Output power 500W. VHF 144-148 MHz power amplifier. This is a kit that requires you to solder yourself. Without Transistors-MRF300AN, MRF300BN (input and output board).
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PSVANE HIFI 12BH7 Vacuum Tube Valve Replace 12BH7A 6N6 7119 for Audio Valve Electronic Tube Amplifier Kit DIY Matched Quad
Aliexpress UK
2pcs 6J1 Tube Preamplifier Board. With 2pcs 6J1 Tube (can be replaced by 6AK5 etc).
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FEIYUE PSVANE 6L6GB 6L6 Vacuum Tube Valve Replace 5881 6L6G 6CA7 EL34 6P3P EL34C Electronic Tube HIFI Audio Amp Kit DIY Matched
Aliexpress UK
6E2 Tube indicator driver Kits Board level indicator amplifier DIY Audio fluorescent DC12V. 1: Dual 6E2 driver board: 1. The two-way 6E2 cat's eye tube drive, the tube base is connected with the main board by flying wire, the wiring is simple, the use is more convenient, and the new design of the board minimizes the space occupied by the machine.
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YHANWN 60 PSVANE WE310A Vacuum Tube HIFI Audio Valve Replace US WE 310A Electronic Tube Amplifier Kit DIY Factory Tested Matched
Aliexpress UK
Model: 6j1 tube (can replace the model 6AK5, 6AU6, 5654, etc.). 1 x 6J1 Valve Tube Preamplifier Board DIY Kits. Channel output: for the audio signal output, can be connected to the amplifier, power amplifier board audio signal input.
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PSVANE 6SN7-PT Vacuum Tube HIFI Audio Valve Upgrade 6SN7 CV181 6N8P 6H8C 6SN7GT 5692 Electron Tube Amplifier Kit Diy Matched
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PRT10A preamplifier reference - Hetian Mao's bile preamplifier, Hetian Mao's can be said to be a perfect version of Marantz 7 before the gallbladder, adding SRPP on the third level to reduce the cathode burden.
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PSVANE Horizon 12AX7-AT / ECC83 Vacuum Tubes Replace 12AU7 12AT7 Earphone Tube Amplifier Kit Preamp Valve DIY
Aliexpress UK
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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Feiyue Psvane ECC83 Vacuum Tube Replace JJ Gold Lion Dawn 12AX7 ECC83 Electronic Tube Amplifier Kit DIY Audio Valve Genuine
Aliexpress UK
The TU1-EMP V2 version is developed based on the EARMAX SE and Earmax Pro circuit (the original price is over 5K). PCB size: 160 100 1.6mm. Product: board without electron tube. Note: plug in the earphones after turning on the heating machine for five minutes, and the good sound will only be reflected when the tube is warm.
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GHXAMP DC12V 6E1 Tube level indicator Driver Kits Board Dual Channel For Audio Tube amplifier Radio Preamplifier DIY Low Voltage
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It strictly adheres to the wiring principle of single point grounding and has put a lot of effort into the selection of circuit components. It also achieves nationwide fever at an ultra-low price. 1X screw accessory kit.
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PSVANE UK-EL34 PLUS Vacuum Tube Upgrade EL34 EL34C EL34B 6CA7 6P3P 6L6 HIFI Audio Valve Electronic Tube Amplifier Kit DIY
Aliexpress UK