Kuzma Stabi S12 Manuel utilisateur

KUZMA STABI S12 TURNTABLE ………………………

Instruction manual

2009-7

KUZMA LTD

INSTRUCTION MANUAL FOR STABI S12 turntable

The Stabi S12 turntable is a very precisely engineered piece of equipment. The construction,

however, is robust and requires little maintenance for optimal performance. However this is

a version of Stabi S to accommodate 12 inch ( 305 mm) tonearm, which needs longer

mounting distance. For that reason this turntable is not supplied with lid- it will not cover

tonearm.

CONTENTS: Page

General 3

Unpacking 4

Basic Setup 5-6

Turntable set up 7

Use and adjustment 8

Mainentance 9

Problems 10

General Description: the turntable is packed in one box on which is indicated whether an

armboard for a different tonearm is included.

The basic approach to the turntable design was the same as that of all our products. Its unique

shape and construction from solid brass rods provide an extreme rigid connection of platter,

bearing and tonearm support. The motor is housed independently in its own tower which

dampens motor vibration. The bearing is of highly polished, fine grain carbon steel with a

one point contact, while the bearing sleeve is of a resin/textile material which has excellent

damping, non-resonant and high sliding properties. With the mat on top and rubber insert

underneath, the platter provides a stable non - resonant platform for records, which can also

be clamped.

A 45 rpm adaptor is provided and is simply slipped over the 33 rpm motor pulley. The

turntable can accommodate various tonearms by the use of different brass bases and allows

for VTA adjustment on any tonearm mounted. It is possible to add a second tonearm if a

special adaptor (available as an optional extra) is added.

Stabi S12 turntable: Technical data

Mass: 15 kg

Platter: 4 kg

Motor: AC synchronous

Speeds: 33, 45 rpm

Tonearm mounting dist.: 295 mm

Dimension: 500x 300x 140 mm

Power and frequency: see motor base

Optional: clamp, wooden platforms, various armboards, adaptor for second tonearm.

Safety Precautions:

Electrical connection to the mains comes from the motor assembly via the cable. Please keep

the motor assembly away from moisture and be careful not to damage the mains cable. If in

doubt consult your dealer.

Unpacking:

The whole turntable with tonearm (if supplied) is packed in one box. Before unpacking the

individual parts of the turntable, prepare the area where the unit will be situated. The best

position is on a solid shelf which is strong and rigid enough to support the turntable. For best

performance this should be completely horizontal.

Contents:

Instruction manual, lid, T base, motor tower, oil bottle, belt, 45 rpm crown pulley, allen key 3

mm, subplatter, platter

Optional:

Stogi S tonearm with its own accessories

Clamp ( in box- see Fig 3)

Wooden platform (on top of the box)

Unpacking: T base and parts Fig 3. Unpacking: subplatter Fig 4.

Unpacking: platter Fig 5.

Basic setup:

Note: Carefully unpack parts which are in protective plastic bags.

Note: When assembling the motor tower and platter, ensure that the platter will not touch or

damage the motor pulley! Check the distance of the motor tower from the T base.

Note: While the parts are packed in plastic bags for protection, these are not intended to be

strong enough to lift or carry the parts.

If the turntable is supplied with a wooden platform, remove this and place in position. The

rounded part should be on the left. Locate the three small holes which correspond to the

intended position of the three black rubber rings on the main T base.

T base:

Remove the foam and lift the main T base (fig. 3) of turntable carefully as it is heavy and put

it on a shelf so that the side with the bearing is situated at 8 o' clock and the side with the

tonearm mounts at 2' o clock. But due its size it will not fit standard Stab S base. See fig 6.

Position T base for two tonearms 12& 9 inch + motor tower Fig 6.

Motor tower:

Lift the motor tower with the cable, being careful not to touch the black motor pulley.

Position it in the 8 'o clock position in the middle of the shorter length of the T base. See

fig.6. Turn the motor tower so that the mains switch faces forwards. The distance between

the motor tower and T base should be approximately 10 mm.

Bearing oil:

From the oil bottle, fill the bearing hole on the T base until the oil reaches the lower mark on

the bottle.

Subplatter:

Lift the aluminium subplatter from the box (fig 4) being careful not to touch the shaft with

any sharp object such as keys, screwdrivers, etc. Remove the protective cover, insert the

pointed part of the shaft into the bearing and manually check for free rotation.

Belt:

Place the belt over the subplatter and over the motor pulley. Check by manual rotation that

the belt runs smoothly in the middle of the motor pulley groove.

Power connection:

Plug into the mains, being aware that there is no mains connection indicator. Press the black

switch and ensure that the belt is running properly.

Platter:

Remove the platter (fig. 5) from its protective bag while keeping the protective cover on the

mat. Place the platter carefully on top of the subplatter. Check again the position of the

motor pulley in relation to the bottom surface of the platter. Remove plastic mat protection.

Press switch again and check that the platter reaches full speed in about 4 seconds.

Turntable setup:

Ensure that the turntable is levelled horizontally. Tidy up the mains cable that runs away

from the signal wires as much as possible.

Tonearm mounting:

12 inch (305 mm) tonearms:

Follow instructions provided with the tonearm. Basic distance is 295 mm from spindle to

centre of the mounting hole. The brass pillar should be removed from the T base by

unlocking it with Allen key (3 mm) at the front end of the longer T base. Notice that the

inside hole of the brass pillar is eccentric. This hole should be turned outwards for maximum

distance of 300 mm as required for Stogi Ref 313 arm.

First put the tonearm into the brass pillar. The rotational position and height of the tonearm

has yet to be determined so fix the tonearm only gently with Allen key (3 mm). Return the

brass pillar to the T base and note position of the tonearm. Make desired changes before

fixing the tonearm firmly into the brass pillar. The VTA can be adjusted by raising or

lowering the brass pillar in the T base, after releasing the screw with Allen key (3 mm).

Other tonearms:

Remove the brass pillar and find underneath two threaded holes. Find the circular brass arm

base (optional) with appropriate cut-out. Using Allen key (3 mm) and two screws fit this onto

the pillar. Insert back into T base and, with tonearm protractor, position the brass plate

correctly by rotating the brass pillar while releasing the VTA screw with Allen key (3mm).

See fig. 7. Follow tonearm mounting instructions. It is possible that in some circumstances

the lid provided may not fit.

Circular brass armbase Fig 7.

Use and adjustments:

Platter rotation:

Press the black mains switch at the front of the motor tower. Some starting noise may be

audible from the belt in the first few weeks of use.

Speed 45 rpm:

The pulley fitted is for 33 rpm. Find the black plastic crown pulley ring which fits over the

existing motor pulley increasing the diameter of the motor pulley and bringing the speed up to

45 rpm. To do this the platter must first be removed and, with clean fingers, stretch the belt

away from the motor pulley while, with the other hand, pushing down crown pulley ring.

Make sure the thicker ridge goes down. See fig. 8. Return platter. To remove the crown

pulley reverse the procedure.

45 rpm crown ring adaptor Fig. 8.

Speed adjustment:

The motor tower distance affects the speed very little. A difference of a few mm, keeps the

speed tolerances below 0.1%.

VTA adjustment:

Every tonearm mounted on this turntable can be adjusted for VTA. Release the brass pillar

with Allen key (3 mm) and hold the tonearm in position while locking it back. It is helpful to

mark the height position with a felt pen at the back of the brass pillar.

Clamp:

Simply place the brass clamp on top of the record.

Maintenance:

Mat:

The mat can be cleaned using a roller cleaner.

Bearing:

The oil in the bearing will last for 4 or more years. Running the bearing without oil will do

little harm due to the materials used and type of construction.

A few drops of oil can be added after this time but it should be remembered that, when the

shaft is re-inserted, the oil level will rise. If any spills out it should be wiped with a soft cloth.

Belt:

Periodically (about once a year) remove the platter and belt. Clean the belt and running

surfaces of the motor pulley and subplatter with a soft cloth soaked in alcohol. For best

performance replace the belt every three years.

Troubleshooting:

Platter not rotating:

Check the belt.

Check mains connection.

Very slow start:

The belt tension may be out of range. Bring the motor tower away from the T base.

Remove platter and belt and check if the subplatter rotates smoothly.

Transportation:

For short distances remove the platter and belt and ensure that the cartridge is protected. Do

not over tilt the T base in case there is oil leakage from the turntable or some tonearms. Fix

parts so that they do not slide around during transport.

For longer transportation, however, parts should be replaced, in reverse order, into their

original packing, ensuring in particular that protection foam is inserted between parts such as

the subplatter, platter and T base. Be sure that the motor pulley is protected. See fig 3.

Kuzma Ltd

Hotemaze 17A

SI-4205 PREDDVOR

SLOVENIJA

P: + 386 4 25 35 450

F: +386 4 25 35 454

E mail: [email protected]

www.kuzma.si

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