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manual abstract
o. Kuzma Audio Trade Hotemaze 17 a 4205 PREDDVOR SLOVENIA tel. 386 4 2535450 fax 386 4 2535454 CONTENTS I. GENERAL DESCRITION 3 SPECIFICATIONS 4 ACCESSORIES 4 II. UNPACKING 5 III. ASSEMBLY 6 Testing for correct assembly 7 Mounting tonearm 7 IV. ADJUSTMENT 8 1. Positioning turntable and power supply 8 2. Levelling of turntable 8 3. Fine speed adjustment 8 V. USE OF CLAMP 9 VI. GENERAL MAINTAINANCE 10 VII. MINOR PROBLEMS 11 1. Immobile subchassis 11 2. Platter does not rotate 11 3. Slow start 11 VIII. TRANSPORT AND PACKING 12 STABI REFERENCE T U R N T A B L E 2 KUZMA I. GENERAL DESCRITION STABI REFERENCE TURNTABLE is a suspended subchassis turntable. The base plate, subchassis and platter are of an acryclic and aluminium sandwich construction which dampens all resonance of the turntable. The subchassis is isolated from the environment by four springs which are damped with silicon oil in sealed reservoirs. The suspension in easily adjusted via four knobs on the turntable top. The whole turntable stands on three large spikes. The bearing assembly is of an inverted type. The platter lies on a ruby ball and is centred by a sliding ring. These both have their own oil bath. Two motors drive the platter via a flat belt. The turntable has its own power supply which enables motors to rotate with the minimum of vibration and constant torque. It is quartz controlled, split phase with internal 0.4 % speed adjustment. The signal is amplified by two 20W amplifier. Each turntable is individually built and tested and made of the best available materials to ensure it gives the highest possible standard of musical performance. We wish you many happy and trouble free listening years. STABI REFERENCE T U R N T A B L E 3 KUZMA SPECIFICATIONS mass 40 kgs external dimensions 500x400x200 mm weight of platter 8 kgs resonance ob subchassis 2 Hz (damped) speeds 33,45 RPM mat textile&rubber motor 2 pcs 24 poles mains supply (non selectable) 110 V, 240 V, 50, 60 Hz ACCESSORIES The following are supplied with the turntable and will be found in the accessories box: 1. Clamp with washer (plate) 2. Alan key 4 mm for tonearm board 3. Small plastic bottle with oil for bearing 4. belt 5. subplatter STABI REFERENCE T U R N T A B L E 4 KUZMA II. UNPACKING 1. Open outer carton at the top (see vertical arrows) 2. Open inner carton (this has specifications on top). You may receive turntable in this box only. 3. Remove boxes: Box A - containing power supply, subplatter & accessories. Box B - containing subchassis (with bearing shaft) Box C - containing baseplate (with motors) Box D - containing platter STABI REFERENCE T U R N T A B L E 5 KUZMA III. ASSEMBLY 1. Open box C and remove baseplate taking care not to knock motor pulleys. Place in intended location for use. 2. Open box B, remove subchassis and lower gently into position on top of base plate. Remove protection tape from shaft and check that the small ruby ball is in a central position on top of the shaft. 3. From box A remove subplatter, belt and small oil bottle. Remove protection tape from theunderneath of the subplatter. 4. From small oil bottle squeeze 35 drops of oil onto the top of the shaft. Oil will run from top to fill lower well. 5. Gently lower subplatter onto shaft (NOTE: if at anytime it is necessary to remove subplatter, be aware that a certain amount of oil will adhere to it). Airpressure will slow motion ob subp. 6. Carefully put belt around both motor pulleys and subplatter to make a diamond shape. 7. Remove platter from box D and place carefully on top of subplatter, mat uppermost. 8. Turning the adjustment knobs anticlockwise cause the subchassis to rise. If you look from the side between baseplate and subchassis you can see a line marked on each suspension towers which is 7 mm above the baseplate. Adjust height of subchassis by turning all 4 adjustment knobs so thar lowr edge of subchassis is level with markings on all towers. 9. The cable for connecting power supply and turntable has five pin plugs which should be inserted and locked into connectors at rear of power supply and turntable. 10. Connect mains cable into mains and then switch on power supply at the rear of PS. Red light should appear on front panel. STABI REFERENCE T U R N T A B L E 6 KUZMA Testing for correct assembly 1. The subchassis should move a few mm in all directions if gently bounced. 2. Switch on to 33 rpm position at front panel. The red light will change to green and the platter should slowly start to rotate, obtaining full speed in 8 to 10 seconds. Initially some cracling noises may be heard. These are made by belt and will disappear in a few weeks. If constant noise is heard, check height of subchassis or position of belt. Mounting tonearm 1. with blank mounting board Use template provided by tonearm manufacturer and mark position of cuts. Bear in mind that there must be adequate space for counterweight. Check position of tonearm output cable. Unscrew four screws securing mounting board using 4 m...