Pro-Ject Sumiko Blue Point Special EVO III Manual

Pro-Ject DJ udstyr Sumiko Blue Point Special EVO III

Læs gratis den danske manual til Pro-Ject Sumiko Blue Point Special EVO III (9 sider) i kategorien DJ udstyr. Denne vejledning er vurderet som hjælpsom af 65 personer og har en gennemsnitlig bedømmelse på 3.7 stjerner ud af 33 anmeldelser. Har du et spørgsmål om Pro-Ject Sumiko Blue Point Special EVO III, eller vil du spørge andre brugere om produktet?

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Side 1/9

Thank you for your purchase of a Sumiko Oyster Series phono cartridge. Sumiko Oyster™ cartridges are

products resulting from over three decades of cartridge design. We believe that delivered high

performance can be achieved at reasonable prices. The Oyster™ line is the embodiment of this

philosophy. Oyster™ is your ticket of entry for the “high end” –- a world of high technology, where

companies go to great lengths to recreate music in your home. The Oyster™ Series offers superior

construction and sound quality with an emphasis on real world performance. Whether you have

purchased a moving magnet or moving coil Sumiko Oyster™, you can be assured of performance and

quality second to none. Enjoy your new cartridge.

Instructions

Mounting: The stylus/cantilever assembly is the most fragile part of any phono cartridge. Please use

extreme caution while handling the cartridge and keep the stylus guard mounted whenever possible to

prevent damage during the mounting process.

Blue Point Special EVO III note: The Blue Point Special EVO III is supplied without a stylus guard so

extra care must be observed when handling. Because of the likelihood of damaging an exposed

generator cartridge during the process of removing and reinstalling the stylus guard, the stylus guard has

been omitted from this model. When mounting a Blue Point Special EVO III, take care not to touch the

semi-exposed wires leading from the four gold plated bars to the coil structure. These wires are very

fragile and can be easily broken. Since it is not necessary to touch the cartridge where the wires are

exposed, the mounting process will not be aﬀected in any way. We suggest that you hold the Blue Point

Special EVO III by either the blue top plate or the black rear plate of the cartridge during the mounting

process. Using the supplied hardware, loosely mount the cartridge on the headshell. With a pair of small

needle-nose pliers, connect the tonearm (headshell) lead wires to the cartridge terminal posts using the

following orientation: Red wire to Right +, Green wire to Right , White wire to Left + and Blue wire to –

Left –.

Do not solder the leads to the cartridge terminals as excessive heat may permanently damage the

cartridge.

Once the cartridge is mounted, balance the tonearm for the proper vertical tracking force indicated for

each model cartridge (see speciﬁcations at the end of this manual). To set the tracking force, ﬁrst balance

the tonearm. Locate the counterweight. On virtually all pivoted tonearms, it will be located at the rear of

the tonearm (meaning at the opposite end from the cartridge). Generally, it looks like a fairly large,

shallow cylinder, usually black in color and often has numbers (indicating grams of force) ranging from 0

to 3 or more printed on it. As you move the counterweight backwards, the cartridge end of the arm will

lighten (reducing stylus tracking weight), while moving the counterweight forward will increase the stylus

tracking weight. The ﬁrst objective is to "statically balance" the arm, which is to achieve the proper weight

balance such that the arm "ﬂoats" level. Practice a bit and you'll ﬁnd it's fairly easy to achieve. Remember

to exercise caution so that the stylus and cantilever are kept clear of any obstructions and are prevented

from striking anything that could cause damage. After achieving static balance, adjust the counterweight

to the desired tracking force by bringing the weight in toward the cartridge. Do not apply anti-skate until

the cartridge is aligned. This will be addressed later in the setup process.

We recommend the use of a high-quality alignment protractor to determine correct cartridge positioning

for the minimum tracking error. If none are available, follow the tonearm manufacturer’s guidelines for

overhang and oﬀset angle. Then, tighten the mounting bolts.

Note: Do not over tighten the mounting bolts as this may cause damage to the cartridge and is not

necessary for optimum performance.

Tracking Force: After achieving the correct alignment of the cartridge in the headshell, ﬁnal adjustment

of tracking force can be made. The suspension systems and stylus types used in Oyster™ cartridges are

designed to perform optimally when a tracking force of between 1.7 2.3 grams is applied, depending on –

which model. If under 1.7 grams tracking force is applied, the stylus will not securely seat in the record

groove, resulting in increased record and stylus wear. At greater than 2.3 grams tracking force, the

suspension is no longer functioning properly and namics will be lost. Record damage will occur more dy

readily with too little tracking force, rather than too much. A recommended optimum tracking force setting

is given for each model in the speciﬁcation section of this manual.

Anti-Skate/Bias: Due to the rotational inertia of pivoted tonearms, the friction of the stylus on the record

groove produces a force pulling the stylus toward the center of the record. Anti-Skate (or mechanical

bias) is added to compensate for this force in order to equalize the stylus tracking on the sides of the

groove walls. Because this is a dynamic force, do not attempt adjustment using a blank or grooveless

record, as this will result in over compensation.

Because anti-skate is based on the mass and compliance of the cartridge design, the amount applied can

be quite a bit different for the varying designs available. The Oyster™ Series moving coil cartridges (Blue

Point No. 2 and Blue Point Special EVO III) are lower compliance and higher mass designs and are less

aﬀected by the vector force applied by playing a record. For this reason, when using one of these

cartridges a value of roughly one half that of the tracking force is the ideal value. In other words, the Blue

Point Special EVO III has an ideal tracking force of 2.0 grams. Therefore, the anti-skate value on your

tonearm should be set to 1.0 1.5. –

Vertical Tracking Angle/Stylus Rake Angle: The dimensions of the cutting stylus used in mastering

each vinyl record create a rake (forward-backward tilt) of the record groove. The rake angle may change

for diﬀerent records depending on the method of mastering used. The corresponding rake of the playback

stylus will be one of the determining factors in the delivered performance of your Oyster™ cartridge;

however, all Oyster™ cartridges are designed to give excellent performance over a very wide window of

rake angles. If your tonearm does not have rake or adjustable height adjustment, you may rest assured

that your cartridge will deliver a very high degree of performance. The following is intended for those who

own a tonearm that allows for the adjustment of rake or arm pillar height. To optimize, start with the

tonearm oriented with the back of the arm lower than the front by ≈ 1/2 inch. Listen to a recording

of acoustical music, recorded in real space, to determine the tonal balance and soundstage presentation.

Adjust the tonearm pivot height upwards ≈ 1/6 inch at a time and listen to the changes. When the correct

orientation has been achieved, the soundstage will be better defined and the music will have a richer

harmonic structure. Additionally, surface noise will be reduced dramatically. If the soundstage comes into

focus and becomes very lifelike, but the sound has a slight hardness to the upper frequencies, the

azimuth is probably misaligned (see azimuth section for adjustment details).

Azimuth: For optimum tracking of the record grooves, the stylus must be in correct azimuth (side- -side to

tilt) alignment. Gross side- -side tilt will result in an actual channel imbalance, but this is not a likely to

Produkt Specifikationer

Mærke:	Pro-Ject
Kategori:	DJ udstyr
Model:	Sumiko Blue Point Special EVO III

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