| Product Description Advanced Fever 6J1 tube preamp amplifier board Pre-amp tube amp 6J1 valve preamp bile buffer diy kits Note:This is Diy Kits.Descriptions:100%Brand New and High QualityFeature:1.Power input : AC 12V 1A 5.5*2.5 PLUG2.Channle :2.0/ stereo3.Potentiometer Role: Volume adjustment + Power SwitchSpecification:FE-6J1 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the original machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage.Power works: an open power tube filament heating is started,when the boost from the zero-voltage start boosting hot filament tube,etc.,also happens to boost boosting finish,so this is the same with the guts rectification,8*470UF the capacitor filter very clean,good power supply system will not have a hum,the filament is 12V DC power supply,need two filament tube is connected in series with a DC filament also in order to reduce the noise.Packaging1pcs*HIFI 6J1 Valve Pre-amp Tube stereo PreAmplifier Board diy kits
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. Brand Name:CFsunbirdAccessory Type:Extension BoardCompatible With:Fever 6J1 tube preamp amplifier board |
