Keeping your Pass Labs Amplifier on all the time

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I have X-600 monoblocks (4 of them). I left them on 24/7 the first month that I owned them. I got my electric bill and I nearly had a heart attack. The elctric bill went through the roof. The amps are now always off until I am ready to use them. The cost is just too prohibitive to leave them on all the time. I don't notice any real difference in warm up time...I'm not listening for it. The system always sounds good to me.
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Alan,

We put our Pass XA-200.5's on a few days before hand for serious listening, and let them warm up for at least an hour for unscheduled listening.

Is there a noticeable sonic difference? It's easily noticeable - our system sounds more natural and has less listener fatigue. But in all fairness - we also turn on our front end digital Meridian 800 series components.

Leaving the amplifiers on is NOT an effective method to heat your home (more so for XA but still for X series amplifiers) - electric is one of if not the most expensive methods to heat a home.

Enjoy your music, TJF.

I'm a proud and happy owner of a Symphonic Line RG7 MK4 amplifier. The amp's designer, Mr. Rolf Gemein, recommends to leave the amp on all the time for best sonic performance. I highly concur. After approximately 2-3 weeks of being left on, the amp's sonic qualities jumped from being excellent to revelatory! Liquidity, transparency and sheer musicality were immensely improved. I once read a post here that says a SL owner, after hearing the benefits of keeping the amp on, kept in powered continuously for three years!

I have a pair of XA100.5's which remain in standby mode until I want to listen. From my time with them, I have learned that after about 1 hour of being ON I am 90%+ on the quality of listening.

No sense in paying the electric company more $$ that can go to buying more music :).

Try the experiment yourself and hopefully you can save some $$.

I keep my pass int-150 on standby. If I will be away a couple of days it gets unplugged

Serious listening requires 1 hr warm up. Until then, I still listen and have never left the room screaming in horror