[pure-silver] Re: Beseler/cold light enlarger questions
- From: John Meyers <jmeyers102@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Sat, 3 Sep 2005 20:45:52 -0700 (PDT)
15 minutes sounds good. I'll remember to unplug it
when not in use. Thanks guys.
John Meyers
--- Lee Carmichael <click76112@xxxxxxxxxxx> wrote:
>
> I dont think you need to leave it plugged in for an
> hour, more like 15 min.
>
> lee\c
>
>
> At 04:09 PM 9/3/2005, you wrote:
> >Regarding leaving the heater cord plugged in, I
> wouldn't,
> >except when I was printing. I recall that they
> wanted you to
> >plug it in an hour or so ahead of time. But I don't
> recall
> >any rationale for leaving it plugged in all the
> time.
> >Most of all, have fun.
> >Bob
> >
> >
> >
> >-----Original Message-----
> >From: pure-silver-bounce@xxxxxxxxxxxxx
> >[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf
> Of John
> >Meyers
> >Sent: Friday, September 02, 2005 8:43 PM
> >To: pure-silver@xxxxxxxxxxxxx
> >Subject: [pure-silver] Re: Beseler/cold light
> enlarger
> >questions
> >
> >Ahhh, that's it. So I did have things connected
> >incorrectly. Thank you so much.
> >I bypassed the resistrol as you suggested, and
> >everything works properly now. No flickering light,
> >and both timers working properly.
> >
> >Should I leave the heater cord plugged in all the
> >time; i.e. when not printing?
> >
> >(On a previous visit to the Aristogrid website, I
> >didn't find the setup instructions. But upon a
> second
> >look, I did come across set-up instructions which
> >describe the heater/light power cord setup. It's a
> >little hidden there)
> >
> >Thanks.
> >
> >John Meyers
> >
> >--- Bob Younger <younger@xxxxxxxxxxxxxxxxxxxxxxxx>
> >wrote:
> >
> > > With the cold light head you should bypass the
> > > Resitrol
> > > completely. The heater cord should be plugged
> into a
> > > non-switched outlet; and you should allow the
> lamps
> > > to warm
> > > up. That should help your flickering problem. I
> > > never had
> > > any problem with mine using a regular timer.
> > >
> > > With the condenser lamp the Resistrol was
> designed
> > > to enable
> > > you to consistently set a voltage for
> repeatability.
> > > So, you
> > > can set it a voltage you know you can always
> rely on
> > > having,
> > > say, 105 or 110 volts.
> > >
> > > Bob Younger
> > > younger@xxxxxxxxxxxxxxxxxxxxxxxx
> > >
> > > -----Original Message-----
> > > From: pure-silver-bounce@xxxxxxxxxxxxx
> > > [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On
> Behalf
> > > Of john
> > > stockdale
> > > Sent: Saturday, September 03, 2005 8:39 AM
> > > To: pure-silver@xxxxxxxxxxxxx
> > > Subject: [pure-silver] Re: Beseler/cold light
> > > enlarger
> > > questions
> > >
> > > Leaving aside for a moment your timers and the
> > > Resistrol
> > > (about which I
> > > know nothing but guess is a dimmer),
> > >
> > > the condenser head simply has an incandescent
> globe
> > > (with a
> > > filament) so it
> > > just gets plugged into power. Any photographic
> timer
> > > should
> > > be ok.
> > >
> > > the cold light head has two inputs: one is a
> heating
> > > element
> > > that goes part
> > > of the way to stabilizing the output from the
> head
> > > by
> > > keeping the unit warm
> > > between exposures. (The light output varies
> with
> > > temperature). The other
> > > cable is the lamp. Which is which? Plug one
> cable
> > > into the
> > > power. If the
> > > lamp turns on, that's the lamp cable. If it
> doesn't,
> > > it's
> > > the heater cable.
> > >
> > > The condenser head should be fine with any
> timer.
> > > The cold
> > > light heads, as
> > > I understand it, impose a difficult load on some
> > > devices,
> > > and you might
> > > need a relay (contacter in USA?) to isolate the
> load
> > > from
> > > the timer. If
> > > the cold light head appears to work well plugged
> > > into the
> > > power directly,
> > > but flickers on the timer, then it's definitely
> not
> > > a good
> > > combination
> > > without the relay/contacter. The heater element
> is
> > > connected to the power
> > > for the whole session. Some people connect it
> so
> > > that it's
> > > off during
> > > exposures (using the safelight output of the
> timer)
> > > so that
> > > heat buildup is
> > > lessened during exposure, but I don't know if it
> > > makes much
> > > difference.
> > >
> > > Can't help you with the Resistrol. Maybe you
> don't
> > > need it.
> > >
> > > The aristo web site might have some info.
> > > http://www.aristogrid.com/
> > >
> > > Hope this helps
> > > ==================================
> > > At 12:39 PM 2/09/2005, you wrote:
> > > >Hi,
> > > >
> > > >I just bought a Beseler MCRX enlarger w/ both
> an
> > > >Aristo V54 cold light head and a condenser
> head.
> > > I've
> > > >never used either a cold light or a Beseler
> > > enlarger
> > > >before, and no manuals were included. I'm
> wondering
> > > if
> > > >I've set up everything correctly. I'm hoping
> > > someone
> > > >on the list uses a Beseler 4x5 enlarger or cold
> > > light
> > > >head who might be able to help me out?
> > > >
> > > >My questions:
> > > >
> > > >1. I set it up w/ the Gralab 450 digital timer
> that
> > > >came w/ it, and it seems to work alright, but
> the
> > > >light from the cold light head flickers a bit,
> > > rather
> > > >than being a stong constant light. Is that
> standard
> > > >for cold light head?
> > > >
> > > >2. When I use my Beseler Audible Repeating
> timer w/
>
=== message truncated ===
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