Jim, In parallel it will share the current reducing the chances of a damper failure. Dominic DiLeo Atlantic TV Freeport, Maine >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> In a message dated 7/31/03 10:20:29 AM Eastern Daylight Time, jr.myers@xxxxxxxxxxx writes: > Adding a second damper has no effect at all except for maybe doubling the > possibility of a shorted damper. > ************************************************** > Jim Myers > Since 1972 > Telrad Electronic Services Co. > Fort Wayne, IN 46815 > ************************************************* > ----- Original Message ----- > From: "Jorge Camboni" <geo@xxxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, July 30, 2003 9:07 PM > Subject: [TechAssist] Re: HOT subs in general question > > > Hi Tony. You're using a 1881 subbing a BUH517 > but the BUH517 HAS NO DAMPER. neither the C5148, > so you're adding another damper to the circuit (and it works!!) > which is not the best way, i believe, In those cases you should > use D1885/86/87. Strangely enough, Sony reccomends subbing > d1941 (damperless) for c4927 (damper included) > I had not noticed any difference between 1879 and 1881 if the 79 > stands the current. (it will in most cases). According to Sanyo, there > is no difference between 78/79/80/81 excepting the current rates > and the power handling. FT (gain/bandwith product) is the same, > so dc beta is. > > Jorge > > At 07:14 p.m. 30/07/03 -0500, you wrote: > >Hey Phil I have been using the D1880 and 1881 for many subs, They do seem > to > >keep the temp down and last longer. must haves in my book BUH517, C4927, > >C5148 ( I dont like using subs on sony to many bad memorys.) > > > >Tony Saracco > >TCS ELECTRONICS > >Elgin , IL 60120 > >847-695-1928 > >tcselectronics@xxxxxxxxxxxxxxxx > >----- Original Message ----- > >From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx> > >To: <techassist@xxxxxxxxxxxxx> > >Sent: Wednesday, July 30, 2003 12:30 PM > >Subject: [TechAssist] HOT subs in general question > > > > > > > A tech friend says if he cannot get, or ID an HOT he will sub a > > > 2SD1881. Says thiis 1881 seems to be a general heavy transistor for at > > > least test/estimate purposes. > > > Yesterday he had a Sharp with bad HOT 2SD2586.No subs avail. OEM a week > > > away. > > > Used an 1881 and ran cool. > > > I want to improve my TV HOT selection bin. Is there a certain selection > > > that are "must haves"? > > > Phil Bader > > > -- > > > Philip Bader > > > Jan Phyl TV Inc. (estab. 1976) > > > 3420 Recker Hwy. Winter Haven, Fl. 33880 > > > Fax (863) 299-8821 > > > email: tjanphyl@xxxxxxxxxxxxxxx > > > > > > ***************************************************************************** Classifieds! Buy or Sell! http://sell.tech-assist.org The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.htm Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: http://www.freelists.org/archives/techassist/