What is turn on/off sequence of amp and pre-amp?

@g_nakamoto
The original post is pretty old but since your question is more recent, I’ll put in my 2 cents . I am presuming you are referring to the use of a 12V trigger between your MX132 and your MC602 you mentioned in a previous post. I have always used this option between my amps and preamps if it is available and have never had any issue. This might sound naive but I wouldn’t expect the manufacturers to provide this arrangement if there was a reasonable chance of damaging your equipment using it.
Despite various muting circuits that might be implemented to eliminate noise during start up or shut down, I do agree it’s a good practice to turn the volume down to zero before powering off.

Hi,
turn on sources first then praemp and finally power amp.
Turn off first power amp (wait for relays) then sources and finally preamp.

superultramega,

I generally leave the standby switch (Rogue Pharaoh) in the on or ready position all the time. I only switch it off If I am going to leave my system off for an extended period of time such as going away for a several week vacation. So to answer your question, I have it on when powering the system on or off.

@g_nakamoto - if your amp is plugged into the ’Switched’ outlet of your preamp, you ’potentially could’ damage the amp. You didn’t specify if your Mcs ( great choice BTW) are tube or solid-state. Solid State is a little more forgiving then tubes are. Plus I am fairly certain that the McIntosh have fuses installed so the worst thing that can happen is to blow a fuse on a high enough signal transient. And a $0.99 fuse is a heck of a lot cheaper then a $500.00 repair bill for your amp.
What I would recommend is to have the preamp/amp on separate outlets. Power on the preamp, wait a few moments (or minutes of you have tube gear) before powering on the power amp.

It is unwritten that the preamp is powered on first followed by the amp. If you have an equalizer or other signal processor in your main signal path, then it is best (based on my experience) to turn on in order of signal path (pre->eq->signal_processor->amp). The power-down is in the reverse order to safely prevent damage to the amp or speakers due to a transient.

The sources may/may not be plugged into the ’Switched’ outlets of your preamp. If they are then they will power on when the preamp is powered on. Like a previous poster wrote, most preamps have a delay in which a signal is sent through to the amp (thus the soft ’thump’ you may hear).

Typically, my sources (tuner, CDP, TT, Cassette) I only turn on when I am using them. Even then, I turn the volume down before powering on any of the source units.

i have a mcintosh pre amp and power amp connected together.when i turn the pre amp on the power amp go's on too. is this ok?

mr_m do you use the Standby switch at all during the power up/down process? 

Source(s), preamp, volume down, amp. To turn off, reverse procedure.

I have integrated amp with standby, using above procedure less turning on a separate power amp. The slight thunk or thump you hear is perfectly normal, at least with most integrateds with standby.

Same question as Phil, I've been using Standby before shutting down and then obviously it's in Standby mode when I power on. Is this necessary? Or maybe even detrimental somehow?
Although my amp doesn't make a pop sound. It does make a thunk noise when going from Standby to Active.

How about proper sequence of turning ON and turning OFF tube integrated amp that has STANDBY ?  Just got a brand new amp and it pops when switching between UL and Triode modes on the fly (as designed) and it also pops when turning off integrated amp, even after putting it on standby mode first for a couple of minutes... 

ON: source/preamp/amp; OFF: amp/preamp/source. You can find a new thread on this topic on the Naim forum every couple of weeks!

Always turn the preamp on first. Some tube preamps take a while to stabilize. If you own a tube preamp and your preamp does not auto mute turn the preamp on and wait a few minutes before turning the power amp on.

What he said.

Turn amp on last. Turn amp off first