Grand Mezza
The new Opera Linea Classica uses luxurious materials and high quality drive units to offer excellent sound quality and finish.
All new Opera models share similar drive units. The new 6_” woofer is developed by Seas specifically for Opera. It consists
of an aluminium cone with a rubber surround that gives an extremely flat frequency response free from sub-harmonics,
diaphragm break-up and rim resonance. The coil is wound on an aluminium former for improved power dissipation and an
ABS phase plug cancels out any problems incurred by the dust cap. The tweeter is also a Seas design and is a 1” fabric dome
design with a large decompression chamber and contains magnetic fluid in the air gap. There is a fourth order high pass filter
circuit which guarantees a frequency crossover of around 2.3kHz with low distortion and optimum dynamics.
The cabinet is constructed from MDF and the curved sides are veneered using real wood and a high quality lacquer finish in
the best Italian tradition. The top and rear of the cabinet, as well as the slimline front baffle, are all finished in leather.
All the designs are two-way, due to the crossover implementing either a near-parallel (Seconda) or near-series (Quinta)
system. Whilst each model is similarly voiced for optimum system matching, the power handling, dynamic range and
maximum SPL increase with the number of drive units employed.
Extra special attention has been paid to the impedance curve. Minimum impedance for the Prima and Seconda is higher
than 3.9ohm (with a very low phase angle), whilst the maximum impedance does not exceed 10ohm. This results in a true
nominal 4ohm design. The impedance of the Quinta is extremely smooth, ranging from 7 (@100Hz) to 5.9ohm (@20kHz),
with almost no phase angle whatsoever. This results in a true 8ohm loudspeaker, dispensing with the need for high current
amplifiers and expensive cable and creating an easy match for both valve and solid state amplifiers. All Linea Classica models
boast high quality bi-wirable, gold-plated connectors.
Mezza
Opera Mezza is the smallest model of the “Classic Series”, it is a twoway diffuser of about 8 internal litres with reflex load, constructed to
be placed like a shelf or on a stand and characterised by a flat frequency
response and an unexpected low frequencies reproduction.
Cabinet
The cabinet of the Opera Mezza is realised in finely-shaped MDF with
rounded edges, veneered in real wood finely polished. The front panel
is covered with synthetic hide that, beyond the aesthetic finish, also
works as packing for the loudspeakers.
The size of the front panel, following Opera’s tradition, is large enough
to hold the loudspeakers. In this case, being this diffuser created to be
placed like a shelf, the two reflex ducts are located on the front panel.
Inside the cabinet there is a good quantity of acrylic sound absorbent
material that controls the reflex Q factor and minimize the internal
reflections.
Components
Also this model uses the same tweeter we find on other models of the
Classical Series: it is a one inch tweeter (the same used in the Callas SP)
with a silk dome, a wide rear decompression chamber and ferrofluid
in the gap. The qualities of this SEAS tweeter are well known and
appreciated. The woofer, also made by SEAS, come from the model
ET15 developed for our Operetta Model. It is a 5 inches unit with
15cm chassis, 26mm voice coil on a Kapton former with a transparent
polypropylene diaphragm, rubber outer surround suspension and a
PVC dust cup. Two copper rings are fitted above and below the Tshaped pole piece: they reduce distortion and stabilize the magnetic
flux. The cast chassis, of aerodynamic design, is fully open even
beneath the inner suspension.
Crossover
In designing the “Classic Series”, particular attention has been paid to
the electric impedance. In particular, we wanted to guarantee a load
condition compatible with any type of amplifier.
In order to do so, the impedance minimums have been kept within
the limits allowed by the DIN regulation that provides that, for the
nominal 8 ohm diffusers, the impedance does not go below 6.4 ohm.
The electrical impedance modulus of Opera is always over 6.2 ohm.
We believe that the cost of a diffuser has to be assessed together with
the cost of the amplifier more suited to guide it. Opera Prima is a
nominal 8 ohm diffuser that can be easily driven by a wide range of
amplifiers, either with valves, solid or digital (Class D).
The crossover of Opera Mezza uses a classic network with
asymmetrical slopes.
The crossover frequency is at about 2800 Hz and the sensitivity is 86
dB (2.83 V at one metre).
Room Position
Opera Mezza has been designed to be placed like a shelf but can
also be used with a stand (available upon request). In any case, we
advise against placing the diffuser in a corner and one needs to keep a
minimum distance of at least 30 cm from the side walls. If the diffusers
are put on stands, the best position within the surroundings has to be
found experimentally.
Available in the following finishes:
Mahogany
Cherry
Piano Black
Prima
The Prima is an attractive two-way, bass reflex, medium-sized
standmount model. It has an open and detailed sound with very good
scale and bass weight for its dimensions and is front-ported, so close
proximity placement to rear walls is possible for optimum room
compatibility.
System
Opera Prima is a 2-way bass-reflex loudspeaker of about 13 internal
litres, designed to be placed either on a shelf or stand, and characterised
by good extension of the frequency response towards lower frequencies.
The loudspeaker is equipped with four bi-wire ready gold-plated
connectors of large diameter.
Cabinet
The Opera Prima cabinet is designed with rounded edges, using quality
MDF, and finished with finely polished real wood veneers.The front, top
and rear panels are covered with manufactured leather, which beyond
aesthetic qualities, also work as damping for the loudspeakers.
The front panel, following Opera’s tradition, is thick enough to properly
control the drivers.
In this model, seeing as the loudspeaker was designed to be placed on a
stand or shelf, the reflex port is located on the front panel.
The cabinet interior is filled with quality acrylic wadding in order
to control the extended frequency response, while lowering internal
reflections.
Components
All Linea Classica models use the same drive units; the one inch
tweeter (the same used in the Callas SP) is a silk dome unit, with
ferrofluid in the air gap and a wide rear decompression chamber. The
qualities of this SEAS tweeter are well known and appreciated. The
woofer, also made by SEAS, was developed specially for this line of
loudspeakers. It is a 6.5 inch unit with 18cm chassis, 38mm voice coil,
aluminium diaphragm and rubber outer suspension. It has a dynamic
mass appreciably higher than the norm, and an impedance of 4 ohm.
Two copper rings are fitted above and below the T-shaped pole piece,
which both reduce distortion and stabilize the magnetic flux. Finally,
the bullet-shaped phase plug in ABS helps to dissipate heat and
overcomes compression effects associated with normal dust-caps. It
also improves emission at the high-frequency end of the unit`s range.
The cast chassis, of aerodynamic design, is fully open even beneath
the inner suspension.
Crossover
In designing this new “Classic Series”, particular attention has been
paid to the electrical impedance. In particular, we wanted to guarantee
a load condition compatible with any type of amplifier.
In order to do so, the impedance minimums have been kept within the
limits allowed by the DIN regulation that provides that, for a nominal 4
ohm loudspeaker, the impedance does not fall below 3.2 ohm.
The electrical impedance modulus of Opera Prima is always over 3.8
ohm, and the progression is regular with contained phase rotations.
Room Positioning
The Opera Prima has been designed to be placed either on a solid shelf
or a quality stand (the latter available from Opera). In any case, we
advise against placing the loudspeakers in a corner, and one needs to
keep a minimum distance of at least 30 cm (12”) from the side walls.
If the loudspeakers are put on stands, the best position within your
surroundings will be found with a little experimenting.
Available in the following finishes:
Mahogany
Cherry
Piano Black
Grand Mezza
The design of the Grand Mezza is a natural evolution of the Opera
Mezza . It is a “two-and-a-half” way floorstanding loudspeaker with
a bass reflex load, characterised by a flat and wide frequency response
and surprisingly low frequency reproduction. This is part in thanks to
the very high quality, high dynamic drivers employed and results in an
exceptional price/quality ratio.
Cabinet
The cabinet of the Grand Mezza is constructed in finely-shaped MDF
with rounded edges, veneered in finely polished real wood. The front
baffle is covered with synthetic hide that, beside aesthetics, also works
as packing for the loudspeakers.
The size of the front panel, following Opera’s tradition, is large enough
to house the drive units. In this case, to maximise the reflex load, the
port is located to the bottom rear of the loudspeaker. Inside the cabinet
there is a good quantity of acrylic sound absorbent material which fills
the upper section of the cabinet that controls the reflex Q factor and
minimises internal reflections.
Components
This model uses the same tweeter we find on other models of the
Classica Series: it is a one inch tweeter (the same used in the Callas SP)
with a silk dome, a wide rear decompression chamber and ferrofluid
in the gap. The qualities of this SEAS tweeter are well-known and
admired. The two woofers, also made by SEAS, come from the model
ET15 developed for Opera’s renowned Operetta Model. It is a 5 inches
unit with 15cm chassis, 26mm voice coil on a Kapton former with a
transparent polymeric diaphragm, rubber outer surround suspension
and a PVC dust cup. The maximum displacement of the diaphragm
exceeds 10 mm. Two copper rings are fitted above and below the Tshaped pole piece: these stabilise the magnetic flux reduce distortion
due to inductance variation. The cast chassis, of aerodynamic design, is
fully open even beneath the inner suspension.
Crossover
In designing the “Classica Series”, particular attention has been paid
to the electric impedance. In particular, we wanted to guarantee a load
compatible with any type of amplifier.
In order to do so, the impedance minimums have been kept within
the limits allowed by the DIN regulation that provides that, for the
nominal 4 ohm speakers, the impedance does not go below 3.2 ohm.
The electrical impedance modulus of Grand Mezza is therefore always
above 3.2 ohm.
We believe that the cost of a loudspeaker has to be assessed together
with the cost of the amplifier more suited to drive it. Grand Mezza is
a nominal 4 ohm diffuser that can be easily driven by a wide range of
amplifiers, either with valves, solid or digital (Class D).
The crossover of the Grand Mezza uses a classic network with
asymmetrical slopes.
The crossover frequency is at about 2 kHz and the sensitivity is 89 dB
(2.83 V at one metre).
Room Position
Grand Mezza is a floorstanding design with a rear bass reflex port. The
minimum distance necessary from the rear wall is only a few centimetres.
However, we advise against placing the loudspeaker in a corner and to
keep a minimum distance of at least 50 cm from side walls. The best
position within any room is usually found by experimentation.
Available in the following finishes:
Mahogany
Cherry
Piano Black
Seconda
The Seconda is a very interesting two-way design that uses two
separate sealed chambers in an ‘infinite baffle’ configuration with no
bass relfex port. This closed box design results in fast and taut bass
response combined with detail and weight. Again, due to the design of
the speaker room placement is not a problem.
System
Opera Seconda is a 2.5-way floorstander in a sealed cabinet
- characterised, thanks to two woofers assembled in pneumatic
suspension in separate chambers, by excellent response and authority
in the low frequencies. The loudspeaker is equipped with four bi-wire
ready gold-plated connectors of large diameter.
Cabinet
The Opera Seconda cabinet is designed with rounded edges, using
quality MDF, and finished with finely polished real wood veneers. The
front, top and rear panels are covered with manufactured leather, which
beyond aesthetic qualities, also work as damping for the loudspeakers.
The front panel, following Opera’s tradition, is thick enough to properly
control the drivers.
The internal volume is divided into two separate chambers, that beyond
strengthening the structure, remove the resonant frequencies associated
with the height of the piece.
The cabinet interior is filled with quality acrylic wadding in order to
control the extended frequency response, while lowering internal
reflections.
Because there is no reflex port, the loudspeaker can be located near to
the rear wall, and is therefore optimally used both as front and/or rear
loudspeakers in home theatre systems.
Components
All models of the Linea Classica series use the same drive units; the
one inch tweeter (the same used in the Callas SP) is a silk dome unit,
with ferrofluid in the air gap and a wide rear decompression chamber.
The qualities of this SEAS tweeter are well known and appreciated.
The woofer, also made by SEAS, was developed specially for this
line of loudspeakers. It is a 6.5 inch unit with 18cm chassis, 38mm
voice coil, aluminium diaphragm and rubber outer suspension. It has
a dynamic mass appreciably higher than the norm, and an impedance
of 4 ohm. Two copper rings are fitted above and below the T-shaped
pole piece, which both reduce distortion and stabilize the magnetic flux.
Finally, the bullet-shaped phase plug in ABS helps to dissipate heat
and overcome compression effects associated with normal dust-caps. It
also improves emission at the high-frequency end of the unit`s range.
The cast chassis, of aerodynamic design, is fully open even beneath the
inner suspension.
Crossover
In designing this new “Classic Series”, particular attention has been
paid to the electric impedance. In particular, we wanted to guarantee a
load condition compatible with any type of amplifier.
In order to do so, the impedance minimums have been kept within the
limits allowed by the DIN regulation that provides that, for nominal 4
ohm loudspeakers, the impedance does not fall below 3.2 ohm.
The electrical impedance modulus of Opera Seconda is always over 4.25
ohm, and the progression is regular with contained phase rotations.
Room Positioning
Opera Seconda is a floorstanding loudspeaker. We advise against
placing the loudspeaker in a corner, and suggest keeping a minimum
distance of at least 30 cm (12”) from the side walls. The best position
within your environment will be found with a little experimenting.
Available in the following finishes:
Mahogany
Cherry
Piano Black
Quinta
The new Quinta continues with the outstanding scale and depth of its
predecessor and builds on it with the use of new drive units, crossover
and cabinet design. It’s a true full-range, dynamic loudspeaker that
relays anything from jazz trios to full scale symphonic music with
authority and detail, yet also delicacy.
System
The Opera Quinta differs from the previous model of the same name by
having a new cabinet, new components and new crossover. The cabinet
is slightly larger than before, with an internal volume of around 60 litres
and is divided into two chambers; the lower chamber, of roughly 40
litres houses two bass drivers. The upper chamber, of roughly 20 litres
houses the upper bass driver. The three reflex ports are mounted on the
loudspeaker`s rear panel. There are 4 gold plated terminal connectors
and the speaker is bi-wirable if required.
Cabinet
All Linea Classica models have their cabinets in shaped MDF, with
sides veneered and lacquered using real wood, while the remaining
sides are finished in leather. The size of the front panel, following
Opera’s tradition, is large enough to hold the loudspeakers. The inside
of the cabinet is divided into two separate chambers, which not only
reinforces the structure but also raises the frequency of the first normal
resonance mode. The inside of the cabinet is filled with quality acrylic
wadding, which helps eliminate internal reflections and resonance and
assists bass frequency damping. The bass reflex ports are placed on
the rear panel.
Components
All models of the Linea Classica Series use the same drive units; the one
inch tweeter (the same used in the Callas SP) is a silk dome unit, with
ferrofluid in the air gap and having a wide rear decompression chamber.
The qualities of this SEAS tweeter are well known and appreciated.
The woofer, also made by SEAS, was developed specially for this
line of loudspeakers. It is a 6.5 inch unit with 18cm chassis, 38mm
voice coil, aluminium diaphragm and rubber outer suspension. It has
a dynamic mass appreciably higher than the norm, and an impedance
of 4 ohm. Two copper rings are fitted above and below the T-shaped
pole piece, which both reduce distortion and stabilize the magnetic flux.
Finally, the bullet-shaped phase plug in ABS helps to dissipate heat
and overcomes compression effects associated with normal dust-caps.
It also improves emission at the high-frequency end of the unit`s range.
The cast chassis, of aerodynamic design, is fully open even beneath the
inner suspension.
Crossover
In designing the new Classic Series, particular attention has been paid
to electrical impedance.
This is to ensure that the loudspeaker will present a load compatible
with every type of amplifier.
The minimum impedance for a nominally 6 Ohm loudspeaker under
DIN regulations is not less than 4.8 Ohms at the lowest point of the
impedance curve. Opera Quinta adhere to this norm.
The electrical impedance curve of the Opera Quinta is in fact always
above 5.9 Ohm (5.54 Ohm real impedance at 20KhZ) and although
not completely resistive, it is extremely regular with phase rotations
close to zero over a wide range of frequencies from 200Hz upwards.
This ease of drive makes the Opera Quinta a rarer breed, opposed to
prevailing tendencies in loudspeaker design.
The Opera Quinta is a very easy loudspeaker to drive, and best
results can be achieved with any type of amplifier, whether valve or
solid-state.
The crossover of the Opera Quinta is a `two-and-a-half-way`, with
three bass units connected in quasi-series
Room Positioning
Opera Quinta is a floor standing loudspeaker. It is inadvisable to place
the loudspeaker in a corner, and the recommended distance from side
walls is at least 30cm. As always, the best position within the room
will be found while experimenting. Even though the reflex ports are
rear-mounted, it is sufficient to maintain a distance of just a few inches
between the rear of the loudspeaker and the rear wall.
Available in the following finishes:
Mahogany
Cherry
Piano Black
Mezza
Prima
Grand Mezza
System:
System:
System:
Bookshelf or standmount - Bass Reflex
Bookshelf or standmount, reflex loaded with front port
Floorstanding column - Bass Reflex
Driver Units:
Drive units:
Drive units:
1 woofer 5” with polypropylene cone
1 x 6.5 inch bass drivers - aluminium cone
2 woofer 5” with polypropylene cone
1 tweeter with a 1” dome - silk dome, ferrofluid,
1 x 1 inch tweeter - fabric dome
1 tweeter with a 1” dome - silk dome, ferrofluid,
decompression chamber
decompression chamber
Number of Ways:
Number of ways:
Number of Ways:
2 ways
2 way
2 way
Frequency response:
Frequency response:
Frequency response:
45 -20000 Hz
40-20000 Hz
30 -20000 Hz
Crossover:
Crossover:
Crossover:
12 dB/octave for the woofer
12 dB/octave for the low pass
12 dB/octave for the woofer
18 dB/octave for the il tweeter
24 dB/octave for the high pass
12 dB/octave for the il tweeter
Crossover frequency around 2800 Hz
Crossover frequency 2300 Hz approx
Crossover frequency around 2000 Hz
Power Handling:
Power handling:
70 watt RMS
70 watt RMS
140 watt RMS
Recommended amplifier:
Recommended amplifier:
Suggested amplifier:
10-15 Watt RMS
10 to 70 Watt RMS or more (without clipping)
From 10-15 Watt RMS or more (without clipping)
Sensitivity:
Sensitivity:
Sensitivity:
86 dB/2.83 Volt/1 metre
89 dB/1watt/1 meter
89 dB/2.83 Volt/1 metre
Nominal impedance:
Nominal Impedance:
Nominal impedance:
8 ohm (Zmin > 6.2 ohm)
4 ohm (Z min > 3.9 ohm)
4 ohm (Zmin > 3.2 ohm)
Room Position:
Room positioning:
Room positioning:
At least 30 cm from side and rear walls
At least 20-30 cm from side room boundary
At least 50 cm from side, 10 cm from rear walls
Size:
Size:
Size:
17 x 29 x 31,5 cm (w x d x h)
36,5 x 24 x 31,5 cm (h x w x d)
95 x 26,5 x 31,5 cm (h x w x d)
6,7 x 11,4 x 12,40 inch
14,4 x 9,5 x 12,4 inch (h x w x d)
37,4 x 10,4 x 12,4 inch (h x w x d)
Weight: Weight: Weight:
8 Kg (17,6 Lb)
10,5 Kg (23 lbs)
19 Kg (42 lbs)
www.operaloudspeakers.com
Power handling:
Seconda
Quinta
System:
System:
Floorstanding column, two separated sealed chambers
Floorstanding column two separated reflex loaded chambers
Drive units:
Drive units:
2 x 6.5 inch bass drivers - aluminium, cone
3 x 6.5 inch bass drivers - aluminium cone
1 x 1 inch tweeter - fabric dome
1 x 1 inch tweeter - fabric dome
Number of ways:
Number of ways:
2 1/2 way
2 1/2 way
Frequency response:
Frequency response:
32-20000 Hz
30-20000 Hz
Crossover:
Crossover:
Nearly-parallel for woofers 12 dB/octave low pass
Nearly-series for woofers 6 dB low pass
24 dB/octave for the high pass
24 dB/octave for the high pass
Crossover frequency 2300 Hz approx
Crossover frequency 2300 Hz approx
Power handling:
Power handling:
140 watt RMS
210 watt RMS
Recommended amplifier:
Recommended amplifier:
10 to 140 Watt RMS or more (without clipping)
10 to 210 Watt RMS or more (without clipping)
Sensitivity:
Sensitivity:
89 dB/1watt/1 meter
89 dB/1watt/1 meter
Nominal Impedance:
Nominal Impedance:
6 ohm (8 max and 5.95 min from 100 to 20000 Hz with)
4 ohm (Z min > 4.2 ohm)
Room positioning:
Room positioning:
At least 20-30 cm from side room boundary
At least 20-30 cm from rear-side room boundary
Size:
Size:
102,5 x 24 x 31,5 cm (h x w x d)
117,5 x 24 x 39,5 cm (h x w x d)
40,3 x 9,5 x 12,4 inch (h x w x d)
46,3 x 9,5 x 15,5 inch (h x w x d)
Weight: Weight:
25 Kg (55 lbs)
34 Kg (75 lbs)
+39.0422.633547
www.operaloudspeakers.com
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