[rollei_list] Re: Completely OT- Loudspeaker info a pop up question
- From: John Jensen <jwjensen356@xxxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Thu, 17 Feb 2005 11:28:24 -0800 (PST)
A friend of mine had a Voice of the Theater system,
the industrial grey model. A momster corner horn
assembly. When stereo records came out he chose to
get rid of it, he was not about to have two of them in
his living room.
JJ
--- "Peter K." <peterk727@xxxxxxxxx> wrote:
> The only Altec Lansing speakers I am famliar with
> were the Voice of
> the Theater (dating myself here) and the 318H 15"
> speakers in an Ampeg
> Bass Amp. I hear that you can have the old Altec
> Spekers re-coned and
> they will be better than new.
>
> Peter K
>
>
> On Thu, 17 Feb 2005 08:20:33 -0800 (PST), John
> Jensen
> <jwjensen356@xxxxxxxxxxxxx> wrote:
> > I don't think that Altec Lansing had a Peerless
> line
> > of speakers. However, there was a highly regarded
> > transformer maker named Peerless that was acquired
> by
> > Altec Lansing. Peerless output transformers were
> > highly regarded back in the golden age of audio.
> >=20
> > Then along came David Hafler and Herbert Keroes
> > (spelling?) and formed Acrosound with their
> > transformers. Hafler later spun off from Acro
> forming
> > Dynaco making audio output transformers which
> seemed
> > to be a knockoff of Acros. Acro and Dynaco output
> > transformers were also highly regarded.
> >=20
> > John
> >=20
> > --- Ruben <ruben@xxxxxxxxx> wrote:
> >=20
> > > I think that the Peerless I brought up was the
> > > Danish ones since I originate
> > > from Denmark and I took them out of some old
> Danish
> > > speaker cabinetts from
> > > the 70 ties that had been damaged while the
> units
> > > survived :-) I was not
> > > aware of an American Peerless production :-)
> > >
> > > ----- Original Message -----
> > > From: "A. Lal" <alal@xxxxxxxxxxxxx>
> > > To: <rollei_list@xxxxxxxxxxxxx>
> > > Sent: Thursday, February 17, 2005 2:02 PM
> > > Subject: [rollei_list] Re: Completely OT-
> > > Loudspeaker info a pop up question
> > >
> > >
> > > >I believe the Peerless you refer to was an
> > > altogether different
> > > > comapany. The Peerless brand name was used by
> > > Altec-Lansing in the
> > > > early days of hi fi. Altec (All Technical
> > > Products) was an off-shoot of
> > > > Western Electric. WE pretty much wrote the
> book
> > > on all aspects of sound
> > > > reproduction, Blumlien and EMI only made minor
> > > contributions in
> > > > comarisison. Anyone interested in hi Fi
> should
> > > have a look at early
> > > > numbers of the Bell System Technical Journal,
> by
> > > the way. Later on Jim
> > > > Lansing left Altec and went on to found JBL
> (James
> > > B. Lansing), now
> > > > part of the Harman group. I'm sure the older
> > > members of the list can add
> > > > to this. Jerry, Richard?
> > > >
> > > > Today there are two companies making speakers
> > > under the Peerless brand
> > > > name. One, in Denmark, is part of the DST
> group,
> > > the other, in India,
> > > > makes low cost OEM drivers some of which were
> used
> > > in KEF's and other
> > > > makers lower priced systems. At one time the
> two
> > > Peerless' were linked
> > > > but now they operate as separate companies.
> > > >
> > > >> -----Original Message-----
> > > >> From: rollei_list-bounce@xxxxxxxxxxxxx
> > > >> [mailto:rollei_list-bounce@xxxxxxxxxxxxx] On
> > > Behalf Of Jerry Lehrer
> > > >> Sent: 16 February, 2005 23:20
> > > >> To: rollei_list@xxxxxxxxxxxxx
> > > >> Subject: [rollei_list] Re: Completely OT-
> > > Loudspeaker info a
> > > >> pop up question
> > > >>
> > > >>
> > > >> Richard,
> > > >>
> > > >> Peerless (not Pearless) built some high
> > > efficiency tweeters
> > > >> in the "old
> > > >> days".
> > > >>
> > > >> Jerry
> > > >>
> > > >> Richard Knoppow wrote:
> > > >>
> > > >> > ----- Original Message -----
> > > >> > From: "Ruben" <ruben@xxxxxxxxx>
> > > >> > To: <rollei_list@xxxxxxxxxxxxx>
> > > >> > Sent: Wednesday, February 16, 2005 4:16 AM
> > > >> > Subject: [rollei_list] Re: Completely OT-
> > > Loudspeaker info a
> > > >> > pop up question
> > > >> >
> > > >> > >I see that you are talking loudspeakers
> and I
> > > have a couple
> > > >> > >of questions
> > > >> > >
> > > >> > > 1. On an amplifier it is often statet to
> use
> > > only 8 ohm
> > > >> > > speakers - I I have
> > > >> > > a speaker unit and it mesures 8 ohm when
> an
> > > Ohm meter is
> > > >> > > attached to the + -
> > > >> > > I guess it is ok - but what if there are
> more
> > > thant one
> > > >> > > speaker ? or my
> > > >> > > speaker set is only 4 Ohm - can you just
> put
> > > a resitant 4
> > > >> > > ohm on the wire
> > > >> > > and everything is cool ???
> > > >> > > 2. I have several boxes with speaker
> units,
> > > from jbl,
> > > >> > > cervin vega, pearless,
> > > >> > > b&o, kef and b&w - I would like to built
> new
> > > cabinets and
> > > >> > > could use a guide
> > > >> > > to both "spliting filters" - cabinet
> > > acoustics etc. Can
> > > >> > > you recommend books
> > > >> > > on do it your self high end speakers ??
> > > >> > >
> > > >> > > thanks and sorry for jumping into your
> thread
> > > >> > >
> > > >> > > Ruben
> > > >> >
> > > >> > The impedance of a loudspeaker is not
> its DC
> > > resistance
> > > >> > and can not be measured with an ohm meter.
> > > >> > Some of the drivers you have were
> intended
> > > to be used in
> > > >> > specific systems. Its possible to use them
> in a
> > > home built
> > > >> > box but for an optimum box you have to make
> a
> > > lot of
> > > >> > measurements on them. Small low frequency
> > > speakers such as
> > > >> > those used by KEF, B&O, and B&W are
> intended to
> > > be used in
> > > >> > rather small boxes of the sort I mentioned
> > > earlier where the
> > > >> > box stiffness becomes part of the restoring
> > > force of the
> > > >> > speaker. Cerwin-Vega built mainly high
> power
> > > speakers for
> > > >> > sound re-inforcement or musical instrument
> use.
> > > JBL has made
> > > >> > an enormous number of models over the years
> > > some of which
> > > >> > are specific to JBL systems and some of
> which
> > > are general
> > > >> > purpose speakers. I am not familiar with
> > > Pearless.
> > > >> > I am enough out of touch with audio that
> I
> > > don't know of
> > > >> > a book currently in print that covers
> crossover
> > > networks but
>
=== message truncated ===
Other related posts:
