[Jukebox-list] Cartridge Installation on Rockola 1438 ?

[wbabbott at cox.net]

Don,  I know now what we're talking about..... friction clips similar to those used in molex style plastic plugs. Thanks.

---- Don <dontutt at telus.net> wrote: 
> Re: CLIPS
> If no one has a better suggestion, you might look inside a discarded PC 
> (computer) (as I did recently)
> 
> There, you will find gold plated "clips". They are located inside the 
> plastic plugs of the power wiring harnesses. There are different sizes of 
> these "clips" to be found. Some might be just the right size.....
> If you cut away the plastic you could tease out a few of these "clips" and 
> see if they are the right size to make a good friction fit onto the cart 
> pins.
> 
> If so, just cut them off their wires and carefully solder them on to your 
> cart wires. Maybe a little heat shrink needed too.
> 
> For What Its Worth,
> Don
> 
> 
> 
> 
> 
> ----- Or
> iginal Message ----- 
> From: <wbabbott at cox.net>
> To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
> Cc: "Jay Hennigan" <jay at west.net>
> Sent: Wednesday, December 27, 2006 1:43 PM
> Subject: Re: [Jukebox-list] Cartridge Installation on Rockola 1438 ?
> 
> 
> > Jay, thanks for reply. Yes the new, replacement stereo cartridge I have 
> > has the four prongs as you describe. When you say use "clips" instead of 
> > soldering direct to these prongs, what make/type of clips are you talking 
> > about? Where do I get these clips? Also, the replacement shielded cable I 
> > got is rubber coated over the shield which is over the rubber coated 
> > center core lead. How can I get this shield grounded or is there another 
> > way, like using a separate ground wire? Or, where can I get maybe a two 
> > ply shielded wire, ie center core input and separate unshielded ground?
> > ---- Jay Hennigan <jay at west.net> wrote:
> >> wbabbott at cox.net wrote:
> >> > I've received a new stereo cartridge for my Rockola 1438 along with a 
> >> > new replacement shielded phono cable to rewire the cartridge with as my 
> >> > original is looking very ratty. It appears that the original cartridge 
> >> > is in place, but has been slightly "re-wired" in past. There are two 
> >> > terminals on the original cartridge which I believe is 1.needle output 
> >> > and 2. ground. The output terminal has the core of the phono cable 
> >> > soldered to it .The ground terminal has a wire lead which appears to be 
> >> > soldered to the phono cable outside shielding?? It would seem to me 
> >> > that the ground would be grounded somewhere other than the metal 
> >> > shielding on the cable??
> >> >
> >> > Before I install and rewire new stereo cartridge, I want to be sure how 
> >> > to properly wire and ground the cartridge. Please give me some 
> >> > instruction here...!
> >>
> >> That is correct wiring for a monaural cartridge.  For stereo, the
> >> conventional way is to wire the shield to both (-) terminals and the
> >> center conductor to both (+) terminals.  The cartridge may have molded
> >> letters like LG, RG, L, R, which are abbreviations for Left Ground,
> >> Right Ground, Left, Right.  There may be a small brass clip between one
> >> of the ground terminals and the cartridge case.  Depending on the wiring
> >> of everything else, leaving this connected may result in hum.  It can be
> >> removed by prying it off with the connector removed.
> >>
> >> Don't solder directly to the cartridge pins, use clips.
> >>
> >> In some cases, you'll get better performance by wiring the stereo
> >> cartridge in series.  This gives a higher voltage output which can be
> >> helpful as the older cartridges often had higher output than the
> >> replacements.  This is done by connecting the shield to LG, connecting L
> >> and RG together, and the center conductor to R.
> >>
> >> --
> >> Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
> >> Impulse Internet Service  -  http://www.impulse.net/
> >> Your local telephone and internet company - 805 884-6323 - WB6RDV
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