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Master 1 Vacuum

8 pc vacuum valves preamp
Without built in silicon elements on signal and power circuits

All power caps built with SOLEN film caps
All vacuum valve filament power supply by AC
Remote function



Summarize Use Manual Specs Custom Option Shipping Cost

Custom order options:

Option 1 :Custom order output delay , price is USD15 .
For avoid the sound quality degrade, the unit has not built the output delay design.
         After power on the unit, the display will blinking around 30 second, we are recommend power on the power amp after the display stop blink .
         If you feel bother of this operate , you can custom order the delay output while place the order .

Option 2 :Buy the spare matched 6H2N-EB cost price USD10/pc, total 4 pcs for one unit , 6U4N-EB cost price USD10/pc, total 4 pcs for one unit.
For avoid the sound quality degrade, we are recommend replace the new vacuum valves after 5000 hours, (Every day 3 hours, it is around 5 years) . After replace the new vacuum valves, it need around 150 hours burn in.



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