Custom order options:
：Custom order output delay , price is USD15 (Only available for
Vacuum 1 SE).
the sound quality degrade, the unit has not built the output delay
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 vacuum tubes.
6H2N-EB cost price USD10/pc, total 4 pcs for
Vacuum 1SE or total 6 pcs for Vacuum 1 XLR.
6U4N-EB cost price USD10/pc, total 4 pcs for
Vacuum 1 SE or Vacuum 1 XLR.
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.
：Custom order blue display.
workdays leadtime and free.
：Custom order ACSS -XLR cable, the ACSS and XLR signal impedance
un-match cause the sound more warmer..
USD45 /pair , 1 meter .