I am reluctant to make specific receiver recommendations. There are lots of reviews out there, and no doubt others have first-hand experience with receivers benefiting from good image rejection. 73, Glenn
--- On Sat, 12/20/08, aurel chiochiu <a...@videotron.ca> wrote: > From: aurel chiochiu <a...@videotron.ca> > Subject: Re: [HCDX] [mwdx] Re: the Grundig Eton G5: a major disappointment > To: m...@yahoogroups.com > Cc: hard-core-dx@hard-core-dx.com > Date: Saturday, December 20, 2008, 9:10 PM > Warm greetings Glenn ! > > I'm actually back at the computer since a bunch of > powerlines-like noise (TV sets in the neighborhood ?) > appeared throwing away any audio from the 585 Spaniard and > likely others... > > I think in the Sanyo, the IF is around 910, since I do get > like a pulsating growl right on 540 with bits of > poor-strenght audio from the 1450 local tx which dissapears > when tuning on either the low or the high side of 540 and it > sounds really weak... > > What double-conversion receiver would you suggest me ? We > might try out a few in the medium price range if there are > any MEDIUM... > > May the good DX be with you ! > Bogdan Chiochiu in Pierrefonds / Montreal > > > ----- Original Message ----- > From: Glenn Hauser > To: m...@yahoogroups.com ; aurel chiochiu > Cc: hard-core-dx@hard-core-dx.com ; Sylvain Naud > Sent: Saturday, December 20, 2008 8:52 PM > Subject: [mwdx] Re: [HCDX] the Grundig Eton G5: a major > disappointment > > > Bogdan, > > Too bad you got another cheap radio with little image > rejection. Hearing 1450 signal on 550 is not a spur (which > implies it is transmitted by the station), but an inherent > characteristic of radios with an IF (intermediate frequency) > of 450 kHz. Double that, subtract from true frequency, and > you get the image produced in the receiver. There is the > formula. Sometimes the IF is 455 in which case the image is > 910 kHz below. A double-conversion receiver (mainly for > shortwave) should reduce or eliminate this problem. > > 73, Glenn Hauser > > --- On Sat, 12/20/08, aurel chiochiu > <a...@videotron.ca> wrote: > > > From: aurel chiochiu <a...@videotron.ca> > > > > I'm writing again because we just tested the > Grundig > > Eton G5 receiver and we are highly disappointed... > We get > > overload on every frequency on both LW and MW. It > overloads > > even worse than the Sangean CST-818 rx with local > 1450 kHz > > Arabic station wipping out any signal on 550 in both > the DX > > and LO mode. In LO it is just SLIGHTLY weaker... > > > > I purchased it, because a lot of the interesting LW > > channels such as Tipaza-252 or Azilal-207 were > hammered by > > local false mixing products between CINF-690, > CFAV-1450 and > > CHUC-1450 on the Sangean CST-818, but with this rx > things > > are only worse. While the 550 RECEIVER-GENERATED > spur is > > poor-strenght using the Sangean CST-818 barefoot, it > is > > SEMI-LOCAL-like with excellent strenght semi-Hi-Fi > using the > > Grundig Eton G5 receiver... I wonder why CHUC the > 1450 > > Arabic station in Le Parc Industriel de > Saint-Laurent > > generates spur on 550 in all the radios in our house > (even > > on a broken Venturer clock radio) WITH THE EXCEPTION > of the > > Sanyo MCD-S830 AM/FM Hi-Fi chain with tape copy and > recorder > > which cleanly receives the weak WEVD Vermont > groundwave and > > skywave from low-power domestic regionals, as well > as > > occasionally YVKE-Venezuela without any 1450 local > > receiver-generated spur and even better had a TA het > on 549. > > Is there a mathematical formula for a signal on 1450 > to > > appear on 550 due to overload concerns ? > > > > __._,_.___ > Messages in this topic (3) Reply (via web post) | Start a > new topic > Messages | Files | Photos | Links | Database | Polls | > Members | Calendar > > Post message: m...@yahoogroups.com > Subscribe: mwdx-subscr...@yahoogroups.com > Unsubscribe: mwdx-unsubscr...@yahoogroups.com > List owner: mwdx-ow...@yahoogroups.com > > > > MARKETPLACE > > ------------------------------------------------------------------------------ > From kitchen basics to easy recipes - join the Group from > Kraft Foods > > Change settings via the Web (Yahoo! 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