2. tech-talk
  3. 1233174810

PLEASE HELP ME. NEED ADVICE

Hi,
I am selling my existing system, or parts, to downsize and also I want something very "quiet". My existing system always had a slight buzz or hum when the amp was turned on. it's a conrad johnson mf2500a ss amp and a cj 18ls pre.
My old integrated krell kav300i did the same thing. It is so annoying. Why is this? Every place I've lived it's done this, and this time I used a monster hps7000 power conditioner. Do I have to live with this or is there something that is dead quiet when turned on? Looking at a musical fidelity integrated 3.5? Please help me.
128x128jdnamn97
lesvan's avatar
lesvan
39 posts
 
I had a constant buzz through my system when inputing the cable box...... Satellite box never made a buzz but the cable box created a loop..... now I keep video and music separated...... 2 ch. is only music...... No more buzz of any kind.....
blcube
94 posts
 
I don`t care what you do to it the CJ MF2500A is always going to hums.It was made that way.I sent the one I had back CJ and they said nothing could be done about it.SORRY
jdnamn97's avatar
jdnamn97 OP
1 posts
 
Thanks guys for your input.
By the way, what is a cheater plug? What does it look like?
Also, any suggestions on what integrateds might be really "quiet"?
Both my cj amp and pre were solid state.
I have Kef 205 reference and only do redbooks cds.
Any suggestions would be appreciated.
Thanks,
dweller's avatar
dweller
3,781 posts
 
My Pioneer 51FD Blu-Ray player makes a "whooshing" noise when I play DTS HD-Master music disks (Dolby True-HD, DVD and Blu-ray are very quiet).
My Toshiba A35 HD player is just plain NOISEY! (cheap casework)

I've purchased a four-bay equipment rack with a plexiglass "front door" to try and block the noise.

I'm putting the whole thing together tomorrow and will see if it works out.
jallen
502 posts
 
The ground loop theory is your best lead to follow. All of your components should ground at one location in the wall, and only one component with a ground plug, float everything else with a cheater plug. Be sure your AC receptacle has good spring tension. Many times the tension is so bad that the plug nearly falls off the wall....now that is a fire hazard. Get a Hubbell or hosp. grade AC outlet and this is contact. Jallen
More to discover