[rollei_list] Re: Wanted to Buy Macintosh SE/30

  • From: "Javier Perez" <summarex@xxxxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Sun, 17 Sep 2006 22:39:42 -0400

Hi Jerry
I was comparing it to the 71 and 78. I think the 71 was a better thought out proposition all around. And the 78 blows away virtually every tuner it's put up against including (more easily) the modern high end ones. Make no mistake, I think the 10b is a grand tuner and would trade quite a few cameras for one, but I believe it may have had more tubes than it needed! I think the 4310 was also a better proposition. But I don't think the 10b or the 4310 or the 71 can compare to any of the ss tuners that came later. Scott proved that with their jfet front ends in the 60s. I love tubes bt I prefer to see them on my amps!
Oh boy I think I'm catching the stereo bug again. This could last for months!
See Ya
Javier



From: Jerry Lehrer <jerryleh@xxxxxxxxxxx>
Reply-To: rollei_list@xxxxxxxxxxxxx
To: rollei_list@xxxxxxxxxxxxx
Subject: [rollei_list] Re: Wanted to Buy Macintosh SE/30
Date: Sun, 17 Sep 2006 18:36:41 -0700

Javier,

Why are you comparing the Marantz 10 with a MacIntosh amplifier?  The
Marantz 10 ia a TUNER, not an amplifier. The Marantz 9s were monaural
amplifiers.  Love em! The Marantz 7 was a highly overrated stereo pre-amp.

Bob Carver was a huckster. Scott und Fisher were for mid -fi beginners.

Yes, I am highly opinionated!

Jerry

Javier Perez wrote:

> I must have read through the black mac catalog 100 times and drooled after
> the mr80. At something like 3000 dollars it might as well have been 3
> million for a 15 year old. My first mac was a c504. Then I got a pair of
> mc40s. Since then I've gotten most of the tuners and a few 2100s and a few
> of other amps. Not sure what the current production is like but the
> tradiitional units were easily the most over built, over engineered, rock
> solid components the industry had to offer. Yeah Marantz could never touch
> McIntosh, not their 8b or their 10b for that matter. I'm also into HH Scott
> and until a few years ago Phase Linear. Scott made some very interesting
> components including the world's first digital tuner and I am the owner of
> prototype #2! I'm not sure if it was a Von Recklinghausen design but it was
> an engineering tour de force. The funny this is that the combo 6u8 or 6gh8
> voltage amp/invverter t made Scotts cheaper in the 60s now makes for a very
> clean front end. Their outputs were never as elaborate as Mac's but they put
> a lot of thought into them. When I got my fi rst stereo tube scott, an ugly
> 7591 based LK72b, I was shocked at how clean an crisp the thing sounded. I
> blew it years ago when a power cap went bad but I think it may be the best
> sounding amp I ever had. Someday I will be restoring it I think. Then there
> are the Phase Linears! I don't know why I got into these but at some point I
> was caoptivated by the Bob Carver legend. They are all in a closet, 400s
> 700s and preamps. I got tired of replacing caps and output transistors.
> Their value is purely sentimental now. I don't think I'd risk a pair of
> speakers to get B+ in them!
>
> Javier
>
> >From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
> >Reply-To: rollei_list@xxxxxxxxxxxxx
> >To: <rollei_list@xxxxxxxxxxxxx>
> >Subject: [rollei_list] Re: Wanted to Buy Macintosh SE/30
> >Date: Sun, 17 Sep 2006 13:55:45 -0700
> >
> >
> >----- Original Message ----- From: "Javier Perez" <summarex@xxxxxxxxxxx>
> >To: <rollei_list@xxxxxxxxxxxxx>
> >Sent: Saturday, September 16, 2006 8:28 PM
> >Subject: [rollei_list] Re: Wanted to Buy Macintosh SE/30
> >
> >
> >>Did you know that Apple had to license the Mac's name from McIntosh labs?
> >>Some of the computers even say so on the back. I love audio macs!
> >>Javier
> >>
> >
> > Frank McIntosh's secret was a patented method of winding the
> >transformers to achieve close coupling (necessary for Class B amplifiers)
> >without high interwinding reactances (cause distortion). He came up with
> >the idea of bifilar winding, that is, both windings were made at the same
> >time with the wires next to each other. I don't have the patent number. The
> >split load idea was not new, you will find it in some older engineering
> >books. It was used in the British made Quad amplifier before the McIntosh.
> >His other secret was very high quality construction using the best
> >components available.
> > When I was in college I sold Hi-Fi part time. I was able to compare
> >McIntosh directly to other amplifiers and it blew them away; I was
> >astonished at how much cleaner they sounded than some other, very highly
> >reputed, amplifiers. I also had a chance to compare one to a Marantz 8-B on
> >the bench. The 8-B has inadequate power supply capacity and goes banannas
> >when overloaded, all sorts of junk shows up. The Mac just produced clean
> >square waves.
> > Transformer coupling is a practical necessity for vacuum tube audio
> >amplifiers, however its not for solid state circuits. Macintosh continued
> >to use transformer coupling in their solid state amplifers because the
> >transformers were their claim to fame. There was probably an advantage to
> >being able to use matched components for the output but transformerless
> >amplifers have many advantages and better quality unless the transformer is
> >of unusual quality.
> > My hearing is no longer good enough to allow me to pronounce on audio
> >components but when it was I was not a vacuum tube advocate: I lived with
> >vacuum tube stuff for too long to be enamored of its aging problems.
> > BTW, I am in the last stages of restoring two vacuum tube short wave
> >receivers of the sort known as boat anchors.
> >
> >---
> >Richard Knoppow
> >Los Angeles, CA, USA
> >dickburk@xxxxxxxxxxxxx
> >
> >---
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