[rollei_list] Re: Completely OT- Loudspeaker info a pop up question

  • From: "Peter K." <peterk727@xxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Thu, 17 Feb 2005 09:29:59 -0800

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
> > >> > most of the older books on audio did. Simple
> > networks work
> > >> > fine. I may be able to give you specific help
> > off list.
> > >> >
> > >> > ---
> > >> > Richard Knoppow
> > >> > Los Angeles, CA, USA
> > >> > dickburk@xxxxxxxxxxxxx
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> --
> > >> No virus found in this incoming message.
> > >> Checked by AVG Anti-Virus.
> > >> Version: 7.0.300 / Virus Database: 265.8.8 -
> > Release Date: 14-Feb-05
> > >>
> > >>
> > >
> > >
> >
> >
> >
>=20
>=20


--=20
Peter K
=D3=BF=D5=AC

Other related posts: