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Quantum Science Audio Thread
AC mains changes it’s direction 60 x a second (60hz) so it’s impossible for a fuse to be directional, unless it’s behaving like a diode!!!, then your in real big trouble if it is trying to rectify the mains before the power supply transformer and ... 
What speaker do you passionately want to demo?
Alsyvox Botticelli’sheard them briefly in a massive room at 2019 RMAF. They filled that room completely. Magneplanar design but with grunt guts and extended bass. Like Maggies on steroids. Seems more like an apogee full range on steroids. 
Quantum Science Audio Thread
there is an arrow on the fuse tube." So what! All AC voltage/current is unidirectional! In AC power lines, the waves of electromagnetic energy propagate through the space between the wires, moving from a source to a distant load, even though the e... 
So damn hard deciding which tube preamp to buy!
The military still use vacuum tubes, they use satellites that are amplified by vacuum tubes. 
Change the Power Voltage
No, the same amount of electricity will be used at either voltage.If the same guage wire is used there would technically be less loss in the wire with 240 volts. 
Change the Power Voltage
I have to agree with some of the other postings, it would be less expensive to just run a 240 volt line and plug. Plus the performance would probably be better and less electricity would be used. 
Why the cost increase?
Yes, you do have the right not to get vaccinated but you don’t have the right to infect others.If your vaccinated you should have nothing to worry about, so why are you worried about being infected. 
First tube preamp recommendations (under $5k)
What I don't know is if ML2 will be competitive or better than stuff like a used VAC Ren V or ARC Ref 5.Some of the hand built tube equipment from small companies doesn't only compete with the big name brand equipment it surpasses in many instance... 
Why the cost increase?
Economic output just grew by 6.5%. Reductions in child poverty exceeded expectations (-50%) by reducing it by 65% and overall poverty is down by 45%. Who is against that?Even if those numbers are correct, it's not going to last being that it's all... 
Why the cost increase?
How does $300/wk work out to $4,400 a month?It can when the fed adds $600 per week to a state's current unemployment benefits. 
I knew I shouldn’t have thrown my Electrical Engineering text book in the campus pond!
Does the picture on your large flat screen TV look worse because it has a cheap switching power supply? Of course not! I don't know I never tried a linear power supply on my flat screen tv. 
Please clear up my confusion re: meaning of "balanced" !
Some balanced connections need shorting pin to operate properly without signal loss, my krell amp needs these to operate in single ended mode. 
Please clear up my confusion re: meaning of "balanced" !
There are differentially balanced equipment that the circuit is fully balanced, then there are balanced equipment that uses transformers to still get a balanced connection. There are some equipment that use XLR's but don't have a balanced connection. 
The stereo sounds fine, music is great, but Jeff Bezos came back to earth.
Jeff Bezos for president of mars 
MHDT Orchid or Lampizator Amber 3?
Regarding the ShuGuang Treasure vacuum tubes CV181-Z, are rated at 0.6 amps. Do you now think they might do damage to the dac? (In addition to not sounding right?)The treasure cv181 tubes aren't the same as the nos cv181 tubes, they are a 6sn7 tub...