https://archivedforum.beoworld.org:443/forums/20.aspxThe North American market differs slightly from that in Europe. For those in Canada, Mexico and the USA, this forum will help resolve those differences and answer your questions.enCommunityServer 2008 SP2 (Build: 31104.93)https://archivedforum.beoworld.org:443/forums/thread/174210.aspxMon, 12 Jan 2009 16:23:49 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:174210beoguy0https://archivedforum.beoworld.org:443/forums/thread/174210.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=20&PostID=174210<p>The amps are penta one&#39;s.&nbsp; 6603 I think?&nbsp; I&#39;m going to try the other amp tonight.&nbsp; The hum does not hum at the amp, just the speaker.</p><p>Guy</p><div style="clear:both;"></div>https://archivedforum.beoworld.org:443/forums/thread/174108.aspxMon, 12 Jan 2009 11:56:16 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:174108PL2120https://archivedforum.beoworld.org:443/forums/thread/174108.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=20&PostID=174108Do you know the TYPE number printed on the bottom? You may be able to find some hints here: <a href="http://forum.beoworld.org/forums/thread/165467.aspx">http://forum.beoworld.org/forums/thread/165467.aspx</a>.<div style="clear:both;"></div>https://archivedforum.beoworld.org:443/forums/thread/173966.aspxSun, 11 Jan 2009 19:43:51 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:173966beoguy0https://archivedforum.beoworld.org:443/forums/thread/173966.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=20&PostID=173966<p>I bought a couple of penta amps (bottom only).&nbsp; The power cords were cut and they were sold to me AS IS.&nbsp; So I took a chance.</p><p>I quickly taped up a power cord from the little pigtail that was left.&nbsp; Hooked up the radio to the amp and then out to a speaker.</p><p>&nbsp;Surprize!&nbsp; It works!&nbsp; I have another set in the living room (with the penta speakers also).&nbsp; There is, however, a slight hum.&nbsp; I turned the plug around to see if that was it.&nbsp; Nope.&nbsp; I switched the speaker + and - around.&nbsp; Nope.</p><p>&nbsp;Could it be that I just need to properly attach a new powercord?&nbsp; Any advice, ideas?</p><p>&nbsp;</p><p>Thanks!</p><p>Guy</p><div style="clear:both;"></div>