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Ampzilla (was: DQ-10 What is the recommended power input?)


 

On Thu, 28 Oct 2021 11:32:33 -0700, Les Noriel via groups.io wrote:

I thought I’d mention (hopefully not repeating)
I’d read that when Saul Marantz and Jon Dahlquist demonstrated the
DQ10s in shows, they used a GAS Ampzilla II amplifier.

GAS, The maker of Ampzilla, Jon Bingiorno, in his own personal stereo
setup paired DQ10s with 3 sets of his AmpZilla II amps. ( no details
on how he used crossovers with the multiple amps)

I once longed to find one of these amps but they still command a
hefty price tag when they resurface on the market.

[....]
In July of 1974, Ziff-Davis Publishing Company hired me, a recent
Electrical Engineering graduate, to be the Assistant Technical Editor
of Popular Electronics magazine (PE). While I was at PE, I worked
under the supervision of Leslie Solomon, who was the Technical Editor,
and Art Salsberg, who was the Editorial Director. Eventually, Leslie
was given the title of Technical Director, and I became the Technical
Editor.

While I worked at PE, I attended the night session of a Law School in
New York City. I left PE in July of 1981 to begin my legal career.

The seven years that I spent at PE were very rewarding. I worked on
many interesting projects, including Ampzilla. Ampzilla was offered in
kit form, and PE's cover story described the construction of the
amplifier, provided the schematic and parts lists, and provided the
results of performance measurements on the finished product.

I had the opportunity to deal directly with the authors of the
construction articles, including such folks as Ed Roberts of MITS
(which offered the Altair 8800 micro-computer), George Meyerle (who
offered calculators and other items in kit form), Forrest Mims, Don
Lancaster, and many others, including James Bongiorno.

It was a wonderful experience. I consider myself to have been very
fortunate to have been hired and to have been able to work at PE for
those seven years.

My only regret in retrospect is that I did not avail myself of the
opportunity to have gotten an Ampzilla or two at the time.

Just before I left PE, I acquired my mirror-image DQ-10s directly from
the factory, along with a pair of DQ-1W and an LP1 active crossover.
The woofer surrounds have been replaced once, the crossover capacitors
have been upgraded, and the grill covers have been replaced. The
Dahlquists still sing.

John Joseph McVeigh, Attorney At Law
Butler, Maryland
Practice before the Federal Communications Commission
Member: NY, DC, and USPTO Bars


 

Very cool story about the audio history you were a part of. Thank you for sharing. Is this the article you worked on?:?https://worldradiohistory.com/Archive-Poptronics/70s/1974/Poptronics-1974-09.pdf#page=31


 

On Fri, 29 Oct 2021 14:31:17 -0700, John van Son wrote:

Very cool story about the audio history you were a part of. Thank you
for sharing. Is this the article you worked on?:


Yes. I had just arrived at PE as the September issue was actively
being worked on. (The staff typically worked two months ahead of the
mailing and publication date.) The masthead, which appears on numbered
p. 4, had not yet been modified. The Ampzilla Construction Article had
already been scheduled to be the cover story.

(I found Construction Articles to be the most interesting of the types
of editorial content on which I had the opportunity to work.)

My first appearance on the PE masthead was on that of the following
month's edition.
<>

My memory as described in my previous message was off in one respect.
The first title that I held while on the PE editorial staff was that of
Assistant Editor, not Assistant Technical Editor. I became Assistant
Technical Editor perhaps two years later. Perhaps two years after
that, my title changed to Technical Editor, after (or simultaneously
with) Leslie Solomon's title change from Technical Editor to Technical
Director. The changes were more matters of nomenclature and of
justification for pay raises than actual substantive changes in
responsibilities held and duties discharged.

The period of time that I was at PE was perhaps PE's Golden Age... not
because of my presence, but because of what the magazine was covering.
Not too long after I left PE in June of 1981 (or was it the end of
May?), PE changed its name to Computers & Electronics in an attempt to
fend off competition from the likes of Byte magazine. And not all that
long after that, Ziff-Davis sold PE to Gernsback Publications, which
had published the competing monthly Radio Electronics during (and
before) the years that I was on the editorial staff of PE. The sale
occurred as part of the consequences of Bill Ziff, Jr.'s diagnosis of
prostate cancer and his decision to sell a number of magazines and to
focus on his personal situation.

Arthur P. Salsberg, the Editorial Director of PE and then of Computers
& Electronics, left and subsequently started the monthly Modern
Electronics. Al Burawa, who was an Associate Editor when I started at
PE, joined the staff of Modern Electronics. So did André Duzant, who
had been Technical Illustrator at PE when I joined PE. I have many
fond memories of the PE staff.

At the risk of tooting my own horn, I can claim credit for suggesting
the name Altair for the personal computer that was the subject of the
cover-story Construction Article for the January 1975 issue. There is
an apocryphal story that Leslie Solomon's daughter, Lauren, suggested
the name, but the truth is that I did.

I consider myself extremely fortunate to have worked at PE during those
years. Ziff-Davis was an extremely enlightened employer. The fringe
benefits were great.... a very nice pension plan, medical insurance,
and a generous vacation policy. Moreover, after seven years of
continuous service, in addition to four weeks of paid vacation time,
one received a grant of an additional three weeks of paid Sabbatical.
One had to take the Sabbatical, even if one simply stayed at home, but
the recommendation was to travel and to broaden one's horizons.

One final note: Bill Ziff, Jr. beat prostate cancer ,and once again got
involved in publishing. He and his three sons sold the company to CBS
in 1994 for a hefty sum. The sons ultimately retained a financial
advisor named Bill Browder to help them invest their money. Bill
Browder had started a fund called Hermitage Capital, and he specialized
in investments in the Russian Federation. where formerly State-owned
assets could be picked up for a song.

Bill Browder retained a Russian attorney named Sergei Magnitsky to
assist him in compliance with Russian law. Sergei Magnitsky was
arrested on trumped-up charges by the regime of Vladimir Putin and who
died as a result of his vicious treatment while in prison.

The Russian government issued an arrest warrant for Bill Browder, which
remains outstanding.

Bill Browder championed the passage of the Magnitsky Act,
<>, the repeal of which was
the top item on the agenda of the Russian attorney, Natalia
Veselnitskaya, during her infamous June, 2016 meeting with Donald
Trump, Jr., Jared Kushner, and others at Trump Tower in New York City.

Back to the original subject: Ampzilla was a beast!

John Joseph McVeigh, Attorney At Law
Butler, Maryland USA
Practice before the Federal Communications Commission
Member: NY, DC, and USPTO Bars


 

Thank you for sharing your experience. Enjoyable read for me.

On Oct 29, 2021, at 3:52 PM, John Joseph McVeigh <kd4vs@...> wrote:

?On Fri, 29 Oct 2021 14:31:17 -0700, John van Son wrote:

Very cool story about the audio history you were a part of. Thank you
for sharing. Is this the article you worked on?:


Yes. I had just arrived at PE as the September issue was actively
being worked on. (The staff typically worked two months ahead of the
mailing and publication date.) The masthead, which appears on numbered
p. 4, had not yet been modified. The Ampzilla Construction Article had
already been scheduled to be the cover story.

(I found Construction Articles to be the most interesting of the types
of editorial content on which I had the opportunity to work.)

My first appearance on the PE masthead was on that of the following
month's edition.
<>

My memory as described in my previous message was off in one respect.
The first title that I held while on the PE editorial staff was that of
Assistant Editor, not Assistant Technical Editor. I became Assistant
Technical Editor perhaps two years later. Perhaps two years after
that, my title changed to Technical Editor, after (or simultaneously
with) Leslie Solomon's title change from Technical Editor to Technical
Director. The changes were more matters of nomenclature and of
justification for pay raises than actual substantive changes in
responsibilities held and duties discharged.

The period of time that I was at PE was perhaps PE's Golden Age... not
because of my presence, but because of what the magazine was covering.
Not too long after I left PE in June of 1981 (or was it the end of
May?), PE changed its name to Computers & Electronics in an attempt to
fend off competition from the likes of Byte magazine. And not all that
long after that, Ziff-Davis sold PE to Gernsback Publications, which
had published the competing monthly Radio Electronics during (and
before) the years that I was on the editorial staff of PE. The sale
occurred as part of the consequences of Bill Ziff, Jr.'s diagnosis of
prostate cancer and his decision to sell a number of magazines and to
focus on his personal situation.

Arthur P. Salsberg, the Editorial Director of PE and then of Computers
& Electronics, left and subsequently started the monthly Modern
Electronics. Al Burawa, who was an Associate Editor when I started at
PE, joined the staff of Modern Electronics. So did André Duzant, who
had been Technical Illustrator at PE when I joined PE. I have many
fond memories of the PE staff.

At the risk of tooting my own horn, I can claim credit for suggesting
the name Altair for the personal computer that was the subject of the
cover-story Construction Article for the January 1975 issue. There is
an apocryphal story that Leslie Solomon's daughter, Lauren, suggested
the name, but the truth is that I did.

I consider myself extremely fortunate to have worked at PE during those
years. Ziff-Davis was an extremely enlightened employer. The fringe
benefits were great.... a very nice pension plan, medical insurance,
and a generous vacation policy. Moreover, after seven years of
continuous service, in addition to four weeks of paid vacation time,
one received a grant of an additional three weeks of paid Sabbatical.
One had to take the Sabbatical, even if one simply stayed at home, but
the recommendation was to travel and to broaden one's horizons.

One final note: Bill Ziff, Jr. beat prostate cancer ,and once again got
involved in publishing. He and his three sons sold the company to CBS
in 1994 for a hefty sum. The sons ultimately retained a financial
advisor named Bill Browder to help them invest their money. Bill
Browder had started a fund called Hermitage Capital, and he specialized
in investments in the Russian Federation. where formerly State-owned
assets could be picked up for a song.

Bill Browder retained a Russian attorney named Sergei Magnitsky to
assist him in compliance with Russian law. Sergei Magnitsky was
arrested on trumped-up charges by the regime of Vladimir Putin and who
died as a result of his vicious treatment while in prison.

The Russian government issued an arrest warrant for Bill Browder, which
remains outstanding.

Bill Browder championed the passage of the Magnitsky Act,
<>, the repeal of which was
the top item on the agenda of the Russian attorney, Natalia
Veselnitskaya, during her infamous June, 2016 meeting with Donald
Trump, Jr., Jared Kushner, and others at Trump Tower in New York City.

Back to the original subject: Ampzilla was a beast!

John Joseph McVeigh, Attorney At Law
Butler, Maryland USA
Practice before the Federal Communications Commission
Member: NY, DC, and USPTO Bars





 

Link to product?