Question about Amp. and Speakers

Posted by Jay [IP: 198.6.251.6] on March 11, 1999 at 15:23:41
Using Mozilla/4.5 [en] (WinNT; I):

In Reply to: Question about Amp. and Speakers posted by Tom Inthab on March 08, 1999 at 01:19:51:

: Hi

: I have a Classe CAP-100 ,Cambridge Audio CD4 and Totem Model 1 Single. I'm
: new in the audio world. My question is Totem 1 spec. : impedance 4 ohm. and power 30-100W and CAP 100 spec. power 150W @ 4 ohm can work well together or not.

: Second, After I turn on the CAP-100, there is some sound that come out from the tweeters and woofers a little bit. Even I play my CD player, this sound still come
: out. I heard it when I listen to the speakers very closely. Is this situation normal? It sounds like small " fuuuuuuu......u" or electrical sound.

: The more information about sound that come out from Left and right speakers is
: that it sounds as the air comes out from the tweeters. This always happen after I turn on the amp. Also, it does not stop even I play the CD player. My interconnect
: is Silver Audio Bullet 4.0 and speaker cables is DHlab T-14. The sond from tweeters is like the air that come out from a hole. And the sound from Woofers is
: like some electrical part is working inside the speakers.

: Third, one speaker did not have a sound came out during I were playing the the CD this evening. I checked all cable connections and they are o.k. So I turned off all component and tuned them on again. This time they worked well. What does it
: cause the speakers have no sound during playing the CD. My opinion is that it might be something wrong in my amp. or speakers.

: I'm looking forward for your help.

: Thank you in advance,
: Tom

About your speakers, shouldn't be a problem as long as you are careful about cranking the amp up.

hiss from speakers are not uncommon. could be anything from RF noise picked up from the IC's or connections to dirty AC (EMI filtering) or just noisy components. Buzzing on the other hand could be signs of a ground loop which you need to isolate as something is causing it. Disconnect your preamp from the amp and see if you still hear the buzzing. If you do hear it it's coming from the amp and should be looked into.

Jay

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