Jas Audio ORSUS User manual

JAS AUDIO SPEAKERS
ORSUS
OWNER’S MANUAL and Package Contents
For additional requests
If you have any additional questions regarding the installation or
operation of our products, you are welcome to contact us directly via
email: “ [e-mail] “, and please check frequently our JAS
Audio official website: “ http://www.jas-audio.com “.
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JAS AUDIO
ORSUS HIGH FIDELITY LOUNDSPEAKERS SYSTEM
Orsus, a high-end level arrival into the JAS family, represents a new standard in its more
affordable price of full range speaker category. This was achieved by blending in one
compact floor standing units with its fundamental design from simplicity. This 3-way 4 units
speaker is smooth and musical! With open, warm and timbre sound that is seductively easy
on the ears. And offers clear and exciting music reproduction even after hours of listening.
Moreover, the Dual Morel woofers-modules increase the dynamic range which enables to
deliver the possibility of playing large orchestral recordings at realistic Sound-Pressure-Level.
OWNER’S MANUAL
Introduction
Thank you for purchasing the JAS Audio Orsus line of speakers.
JAS Audio speakers are designed and manufactured to the highest quality
standards. The Orsus line of speakers combines ribbon and dynamic driver
technologies to produce a line of world-class speaker in performance and
appearance.
The Orsus line of speakers features a unique aluminum twin-ribbon tweeter
that produces extremely clean and quick transients as well as enormous
soundstage both in width and depth. The choice of dynamic bass/midrange
drive units for each model is diligently done in effort to allow seamless
integration with the twin-ribbon tweeter. The result is yielding the lowest
coloration and maximum tonal definition.
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Unpacking Inspection
The tweeter of JAS Orsus speaker is protected with a
Transparent-Protective-Sheet to prevent damaging on
the Tweeter Unit (Dispersion Board + Driver Net)*.
Customers are recommended to remove the
Transparent-Protective-Sheet immediately before
using or installing on your listening system!
Orsus Assemble Kit Setup
Each Orsus Packing Box contains a set of Orsus Assemble Kit, which carry
the feeding parts and accessories. Setup-Procedure as follow:
1. Two oversized Aluminum-Bar-
feeders need to be installed side by
side (Screws and Tools attached in
kit). Well, Orsus is ready to lunch
after turning up!
2. By turning the level screw (top of the copper-spike), the speaker can
be leveled where it stands. Spike discs use as an option, serve to
protect your flooring from the needle sharp spikes..
Caution: Do not over tighten the level-
screws when installing the feet. Doing so
might risk breaking the bar feeder holes,
and level-screws become functionless. A
removable warning label has been
attached at the base of each speaker
already.
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Well prepared before Settling
Two caution on your speakers’near placing:
I. Do not place any kinds of metal pieces, such as: keys, needles,
staples... etc. near or closed to the Orsus＇s tweeter units, because the
magnetic field can cause a strong attractive force to damage the
speaker.
II. Do not use vacuum cleaner on the speaker drivers; on the other hand,
do not direct coupling the speaker drivers by strong air via
compression gun. Any extreme blowing may damage the speakers.
*If you feel the speakers sounded very muffled and distant (abnormal); as if,
please open the speaker grille (net-cover) carefully and double check if the
tweeter unit was covered by the Transparent-Protective-Sheet.
Product Features
C abinet
•High quality MDF (Medium Density Fiber-board)
•Inner horizontal plane bracing adds extreme rigidity
•Pure natural wool for the best vibration and
resonance damping
•Top grade authentic wood veneer with polyester
piano finish
•Custom machined, high current binding posts
Unique-Crossover
4
· Utilizes a 2nd order filter for bass and a modified 1st order filter for treble
· Highest quality components have been used, time aligned of all drivers.
Drivers
•Pure aluminum twin-ribbon super tweeter
•LPG Titanium Dome midrange driver
•High quality Dual Morel bass drivers
•Computer designed, acoustically contoured
tweeter faceplate
· Precisely machined and Dual acoustically
bass port
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Connections – Initial installation
The cables used to connect the speakers to the power amplifier can have a
significant effect on the sound of your audio system. Your authorized JAS
Audio dealer can recommend the appropriate speaker cables for your audio
system setup.
Each speaker has two terminals on the rear panel. The terminals are binding
posts that accept either spade lugs, pins and banana plugs.
Make sure the cables connected to both speakers are in phase with each
other: connect the (+) binding post on the amplifier to the (+) terminal on the
speaker, and the (-) binding post on the amplifier to the (-) terminal on the
speaker.
Speaker Placement
The JAS Orsus speakers can produce excellent sound in any location.
Therefore you should use these guidelines as a starting point and make
minor adjustments to the position of the speakers and other objects in the
room until you find the combinations that sound best to you.
As a general rule, the distance between the front plane of the speakers and
the front wall of your listening room should be approximately 20% of the
total length of the room; the distance from each speaker to the closest side
wall should be about 20% of the total width of the room. The distance from
the listener＇s chair or couch to the wall behind the listener should be about
the same as the distance between the speakers and the front wall.
This figure shows the relative
position of the two speakers and the
listening position. The front of each
speaker should be angled toward
the listening position. ( Result might
vary depending on the room
acoustic conditions, desirable result
can be achieved by continuous
tweaking.)
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Running-in Period
The performance of the speaker will change subtly during the initial
listening period. The drive unit suspensions will loosen up during the first
hour of use and continue to loosen up until it reaches its optimal operation
state. The time taken for the speaker to achieve its intended performance will
vary depending on the environment and its previous storage conditions as
well as how it is used. As a guide, allow up to a week for the temperature
effects to stabilize and 15 hours of average use for the mechanical parts to
attain their intended design characteristics. And up to 300 hours of use to
reach its optimal condition.
Aftercare
To prevent damage to the delicate ribbon driver of your JAS speakers, do
not vacuum the front grille cloth panel when it is mounted on the speakers.
Always remove the grille cloth panels before cleaning the grille.
The high quality clear sealed piano finish of the wood cabinet surface only
requires dusting. If needed, a damped cloth can be used for further cleaning.
Avoid use of any abrasive compounds on the cabinet as doing so may
damage the fine finish.
Caution: Do not use vacuum cleaner on the drive units of your speakers.
Doing so may damage your speakers.
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JAS Speaker Specifications
Product Model: ORSUS
Description: 3 way vented, 4 units
Technical Features: Twin Ribbon tweeter Technology
Dynamic Bass w/ acoustically Bass port
Drive Units: Aluminum ribbon tweeter with 5
” face-plate
LPG2.5
” Titanium Dome Midrange Driver
Dual Morel 6.2” DPC Bass Drivers
Frequency Response: 35Hz - 60kHz ± 3dB
Sensitivity: 88 dB / 1W/ 1M
Nominal Impedance: 8 ohms
Minimal Impedance: 4 ohms
Crossover Frequencies: 3000Hz and 700Hzz
Min. Amplifier Power: 25 Watts per channel
Speaker Dimensions: W 30 x H 110 x D 34 (cm)
Packing Box Sizes: W37 x H 142.5 x D 56 (cm)
Net Speaker Weight: 27kg /pc. x 2 units
Gross/Shipping Weight: 42kg /pc. x2 units
JAS AUDIO is constantly striving new design improvements, we reserve
the right to change or modify product specifications without prior notice
or obligation.
Orsus Package Contents
1. Each Orsus’s packing box contains one unit/pc. of speaker, and mostly they
departure in safe as a pair to our dealers. All JAS speakers have their own
serial number (S/N), which have been mark-up at the backside of the speaker
and also written outside the packing box for factory building records. For
example labeling in couple S/N #, such as: ( 12345 A or 12345 B ), which
represents speaker A and B as in a matched pair.
2. When you opening the packing-box A with (S/N xxxxx A) labeling, you can find 2
important items at top easily, those are [ Orsus’s MANUAL and Package
Contents ] + [ Orsus Assemble Kit].
Happy and Good Listening to all music lovers!
Best Regards,
Set your mind free!
Revised Version 1.1 and Copyright ©March 2006 JAS AUDIO
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