DaySequerra M-1-P Brochure
The Dawn of a New Broadcast Day.
Tuners - analogue or digital - are tough to design. The trio of tuners that mastered all of the technical issues
during the pre-digital era, with to-die-for sound quality thrown in, consisted of the 1964 Marantz 10B, McIntosh’s
MR78, which arrived in 1972, and the Sequerra Model 1 of 1973.
It’s no coincidence that the last of these milestone tuners bore the name “Sequerra”, as Richard Sequerra was
credited with co-designing the previous decade’s champion, the Marantz 10B, along with the deservedlycelebrated Sid Smith. Indeed, when the Sequerra Model 1 first appeared, it was billed by many as “a solid-state
version of a 10B,” an instantly comprehensible way of describing it as the Marantz 10B’s logical successor. For
the next 15 years, the Sequerra Model 1 ruled as undisputed king-of-the-hill, only to be dethroned by the next
Sequerra. This time though it was a DaySequerra, launched in 1987 and designed from the ground up by
newcomer David Day. As one with experience of both, trust me on this: no matter how good your 10B or
Sequerra Model 1 – and they’re still breathtakingly good – they cannot offer the silent, noise-free background,
the frighteningly quick transient attack, the dazzling transparency or the near-perfect drift-free tuning of the
DaySequerra. As Larry Greenhill stated in Stereophile’s Recommended Components the A-rated DaySequerra
FM Reference “Redefines the state of the art in FM tuners' with respect to its tuning ability, FM signal display,
and sound quality."* And he’s right: it still is the reference.
Now David and his team have produced a DaySequerra for the 21st Century. And they’re doing it at the most
turbulent time in radio's history, just as the very means of broadcasting is changing. They’re calling it the “HD
Broadcast Reference”, and if it’s anything like its predecessors, then the name is no idle boast. Count me
among those eager to get hold of David’s new breakthrough design. I mean, we just can’t let the iPod have the
future of music all its own way, can we?
Ken Kessler, HiFi News - February 2006
New. Classic. No Longer Antonyms.
It has been almost 20 years since the last new DaySequerra tuner, the FM Reference, was designed. Much has
changed in the broadcast landscape in the interim. Transmitters are now slaved to GPS (Global Positioning
System) and have frequency accuracy to 1Hz. In addition to traditional terrestrial AM and FM radio, broadcast
sources now include satellite radio and TV, streaming audio on the Internet and podcasting. And we have highdefinition radio to complement today’s high-definition TV broadcasts.
In designing our new edge-of-the-art tuner, we had to consider all of these new technologies and how to extract
the most from each of them. While we have worked hard – hand-in-hand with several of those companies
developing these new broadcast technologies (Direct TV, iBiquity, Sirius and XM as well as over 1600 radio
and TV stations use gear designed by DaySequerra) – we’ve worked just as fervently on staying true to the
core values that have made DaySequerra great: critical listening, painstaking revision and real-world testing.
We live for the music.
We designed the DaySequerra HD Broadcast Reference so that it would never be made obsolete. It literally can
be any tuner you need it to be, whether that’s a ten-zone AV server with HDTV and HD Radio
a no-holds-barred two-channel HD Radio
reproduction on the planet. We’re confident that no matter what configuration you choose, you’ll enjoy its
uncompromised performance, bulletproof reliability, and timeless beauty.
reference receiver delivering the absolute best analog FM
Thanks for Listening.
* Larry Greenhill, Stereophile, October 1999
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Model 1 - HD Broadcast Reference
Scalable Platform. The HD Broadcast Reference Model M1 is a modular tune
designed for professional, audiophile or home theater applications that,
depending on configuration, can simultaneously receive and distribute up to 10
different broadcast signals including HD Radio
, HDTV, UHF and VHF TV, as
well as analog AM and FM. Future planned tuner modules include satellite
radio and satellite TV.
Display Options. The M1 was designed to be the benchmark receiver for all o
the new high definition broadcast sources; it would be incomplete without the
ability to display critical aspects of the received broadcasts. There are three
• Integrated , Multicast and
analog AM and FM tuners
• Day Sequerra FM Reference option
• Class-A biased analog audio outputs +4dBV
• SPDIF digital audio output - 5.1 surround
capable
• Multi-zone AV distribution
• Independent, robust power supplies for RF,
digital and audio circuits
display options. The base M1 uses its VFD (vacuum florescent display) for HD
data, signal strength and multipath indications.
Radio
The Model M1S option adds a rugged 2.75-inch CRT and display module to the
M1. This display option provides precise oscilloscope indications of IF band
pass signals for signal strength and RF multipath, as well as display audio
output phase, gain and stereo separation. The CRT display has advanced
microprocessor controlled auto-intensity and sleep modes to lengthen its usable
life.
The Model M1P adds a full-featured 5-500 MHz panalyzer function to the M1S,
described above. The spectrum analyzer is designed to cover the broadcas
TV VHF band, analog and HD Radio FM frequency bands and permits a use
to locate and identify sources of adjacent station interference and multipath,
Model M1S – HD Broadcast Reference
Oscilloscope Option
check for transmitter spurious, and monitor off-the-air repeater transmitters as
well as the HD Radio
Upgrade Path. The unique architecture of the M1 ensures that it will neve
FM mask.
become obsolete. The modular design and embedded flash-based
microprocessors permit a clear upgrade path from M1 to M1S or M1P along
with the ability to add additional modules at any time, without losing the value o
your original investment.
• 2.75-inch instrument grade CRT
• Microprocessor-controlled driver circuits
• Auto-sleep and auto-intensity modes
• Signal strength, multipath and audio displays
HD Radio
module. DaySequerra’s HD Radiomodule has been designed to deliver the
highest quality monitoring of HD Radio
as analog AM and FM broadcasts. Its high fidelity, over-sampling DAC
combined with the Class-A biased audio outputs provides near CD-quality
playback of HD Radio
Module. The M1 is factory-configured with one HD Radio
AM and FM broadcast signals, as well
96 kbps programming. Individual Class-A biased analog
and SPDIF digital outputs are also provided for each HD Radiomodule. Each
M1 can accommodate twenty AM and twenty FM stations saved as Favorites.
HDTV Tuner Module Option. Native resolution composite and RGB video
Model M1P – HD Broadcast Reference
Panalyzer Option
outputs and class-A biased audio outputs are provided for each optional HDT
module. Audio pass-through is provided for output to an external surround
sound decoder.
FM Reference Tuner Module Option. For state-of the-art audio reference
systems, the M1 can also be configured to include the optional FM Reference
module. This breakthrough design is absolutely a no compromise approach,
and uses a proprietary linear tuning system, double balanced mixer and JFET-
• 5-500 MHz Spectrum Panalyzer Display
• Broadcast TV and HD Radio
FM bands
• UHF band option to 850 MHz
ll Day Sequerra products come with a three-year warranty on all parts and labor, with the
exception of the CRT. The CRT comes with a one-year warranty. Other rights and
exclusions apply. Please see complete warranty form for details.
Specifications subject to change without notice.
ll trademarks used herein are the property of their respective owners.
based amplifiers with hand-matched filters. The FM Reference module
continues the DaySequerra tradition of delivering the absolute best analog FM
on the planet.
Class-M
Audio Output Option. Day Sequerra’s Class-Maudio output
circuitry uses proprietary, current-feedback amplifiers to deliver the full impact
of live and high-quality pre-recorded broadcasts with no sonic signature of its
own. The optional Class-M
audio outputs can be configured for use with any
installed broadcast signal source.
Remote Control. The base M1 includes an IR Remote control, rear panel IR
input, and DC input trigger. Audioaccess, AMX and Crestron remote control are
available using the optional RS-232 control interface. The M1 can also be
networked (TCP/IP addressable) using the optional NIC interface.
An Group Compan
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Day Sequerra 154 Cooper Rd. S902 W. Berlin, NJ 08091 Voice 856-719-9900 Facsimile 856-719-9903 www.daysequerra.com
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