Quicker warm up advice for pass labs amp

nedlabs_stereo You are making lots of careless posts on here.Do your homework before throwing out advise! The Pass Alephs run continuos Class A and at a constant draw of current.They have oil capacitors that dry out in 10-50 years under normal use.Pass Labs does not recommend leaving them on all the time for this reason.Besides your electric bills would be enormous due to the constant high current draw.PHILIFREAK, get a timer and set it to turn the amp on 1-2 hours before you get home.This is the best way to get your fix when you get home.

Make sure that timer is plenty stout!

There is no REAL solution to warm up time other than having the unit turned on. David's suggestion of a timer may have some validity, but you better make sure that it is a unit rated for high current draw. Something designed for an air conditioner might work pretty good. As to whether or not it would generate more noise into the electrical circuit is debatable. Myself, i see nothing wrong with leaving the amps tuned on all the time. As a technician, i will flatly tell you that turn on surges do way more harm than leaving the unit on AS LONG as the unit is well ventilated. This means it must have at least 8 - 12" of clearance above it and nothing on the sides of it. I have several power amps that idle between 130* - 150* measured directly at the top of the heatsink. Since heat rises, this is a pretty good indication of how hot the unit is running. These amps stay on all the time WITHOUT air conditioning turned on in the house. The only time that i've had a problem with an amp was after turning it off for a period of time and then turning it on. The in-rush current level was so high as the power supply tried to fill the capacitor bank that it caused the bridge rectifier to partially fail. For the record, this amp was designed by Nelson Pass. This is not to bad-rap him or his designs. On the contrary, i love them. Two of the several amps that never get turned off are models that Nelson built and designed. Sean >

Nedlabs-you need another hobby! YOU worked for Pass Labs!!!! What! a cleaner! I spoke to Paul from Pass on the Phone a couple years ago and I stand by my above advise.You should grow up and stop trying to impress ao much.Its not working.Worked for Pass Labs!!?? OK.

Just for kicks, I looked up some maybe relevant facts. The optical bias Threshold e Series were designed to typically idle between 45 and 50 degrees centigrade. The Aleph 5 at 55C. And the Pass X Series at 45C. The only mention I found regarding leaving any of the amps on is on page 5 of the X Series operating manual: "It will not hurt the amplifier to be left either in operating or stand-by mode constantly, but it is potentially a waste of energy." Does five or ten degrees in the Aleph make a difference? I doubt it. My money's on reducing the number of thermal cycles. Your mileage may vary :-)