Posted by Russ [ 63.251.152.4 ] on December 28, 2005 at 06:32:55:

In Reply to: is ok to put a tube PRE in front of SS amp? posted by paba on December 27, 2005 at 21:53:56:

There is indeed some degree of truth to what you have heard. When a tube preamp first fires up the output cap has to "charge" up and this will take X number of time constants. During this brief period it can put out DC voltage to the power amp. Some power amps can be damaged by this even though they are switched off. It is rare and very few people have problems but it is possible. In all cases you would want to turn on the preamp first and give it a minute or two to settle down before turning on the power amp. For those power amps that can be damaged you would simply wait until for the preamp to warm up before plugging the interconnect into the power amp.

Russ

Replies:

• It may also affect power-down too - GarMan 12:41:40 01/05/06 (1)
  • Power up, down sequence - Shane 23:10:17 01/07/06 (0)
• Re: Yes, No, Maybe.... - paba 08:00:34 12/28/05 (4)
  • Re: Yes, No, Maybe.... - 2wo 17:14:59 12/28/05 (3)
    • Re: Yes, No, Maybe.... - PakProtector 21:42:20 12/29/05 (2)
      • There is a simple solution to the problem - Russ 07:36:40 12/30/05 (1)
        • Re: There is a simple solution to the problem - PakProtector 08:07:21 12/30/05 (0)