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Kuzma Stogi Instruction Manual

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Summary of Contents for Kuzma Stogi

  • Page 2 S T O G I A N D S T O G I R E F E R E N C E KAT d. o. o. Kuzma Audio Trade Hotemaže 17 a 4205 PREDDVOR SLOVENIA tel. 386 4 2535450 fax 386 4 2535454...

  • Page 3: Table Of Contents

    J. Cueing Device Adjustment V. GENERAL MAINTENANCE VI. MINOR PROBLEMS A. Pin Connector Breaks Off from Internal Wiring B. Broken Bias Thread C. Hum and Buzz VII. TRANSPORT AND PACKING A. With tonearm on Turntable B. Packing (Fig. 29) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 4: General Description

    The main structure and headshell are both machined from solid aluminimum blocks while the tube is of specially treated aluminium which is internally damped. The tube also allows rotation for azimuth adjustment. Stogi reference tonearm has conical tube with different adjustment.

  • Page 5: Packing List

    4. Holding the pillar not tube , lift tonearm in one hand and remove from plastic bag with other, holding by pillar. Observe bias and thread while so doing. 5. At this stage tonearm can be rested upside down on C shape. 6. Remove all other parts. (See packing List). _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 6: Mounting And Adjusting

    5 mm, remembering washer or b) sink the screw heads by first drilling a large hole of about 9 mm with drill and then drilling hole of smaller dimension through this. (Fig. 3) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 7 13. For optimum performance you may wish to forego the convenience of the finger lift. If so, this should now be removed using Allen key 0.7 mm, loosening screw and easing out lift. Replace screw in hole. (Fig. 8) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 8 _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 9: Mounting Cartridge

    4. Put cueing device into ‘play’ position, ie. down, release tube from armrest and adjust counterweight until tube is balanced ie. floats in a horizontal position slowly back towards the armrest. Prior to final balancing remove stylus guard. (Fig. 12) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 10: Tracking Force Adjustment

    Fixing the Counterweight The counterweight is secured by gently turning one of the three screws M3 with the Allen key 1.5 mm. Do not, however fix securely at this stage until tangentional tonearm adjustments are completed. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 11: Height (Vta) Adjustment

    NOTE:To ensure needle is properly in the groove observe headshell, cartridge body and (in standard Stogi) the tube, all of which should be parallel to the surface of the record. This is more easily seen if the stylus is in the middle grooves of the record side.

  • Page 12: Tangentional Cartridge Geometry Adjustment

    2° and distortion of under 1 %. These are harmonics of the second order which are not so irritating as the third which are very common in amplifiers. (Fig. 16 a) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 13 4. Slightly loosen the screws which attach the cartridge to the headshell. 5. Holding headshell in one hand slightly rotate the body of the cartridge. 6. Recheck alignment at position A and continue adjustment until line described in point 3 is achieved. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 14 B c) align on line ‘x y’ and move cartridge. Repeat a, b, c until cartridge is in alignment at both points. NOTE: Ensure that cantilever is not twisted due to bias force. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 15 In either case the tonearm will have to be repositioned on the armboard. It should be noted however, that different cartridges allow for more or less movement than others. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 16: Fine Vta Adjustment

    Fine adjustments can be made in the range of 0.5 mm. 4. VTA can also be altered by changing the tracking force. An increase in tracking force is equivalent to lowering the tonearm and vice-versa. 5. Now fix height firmly. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 17: Azimuth Adjustment

    Stogi Reference: If stogi reference the cartridge is not square, the tube can be rotated slightly to obtain the correct azimuth. Firstly the tube should be released by loosening the two screws on the top of the arm. (Fig. 23) Use Allen key 2.5 mm and turn screw for only 90°. Then (being careful not to push the tube off the armrest) insert the Allen key into the screw on the right side of the arm.
  • Page 18 Do not attempt any adjustment when the locking mechanism is locked. Although no damage can be done. Significantly improved sound can be obtained by paying attention to azimuth adjustment prior to final VTA adjustment. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 19: Bias Adjustment

    3. Finally further decrease mistracking by increasing tracking force to the maximum recommended for the cartridge. 4. Again try to optimise bias. NOTE: Mistracking is most easily observed by use of an osciloscope. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 20: I.fine Azimuth Adjustment

    2. Release screw, raise or lower device and retighten. NOTE: The cueing device may lift slightly as the screw is retightened. Do not overtighten as this may cause the cueing device to stick in the ‘up’ position. Should this occur, slightly release the screw. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 21: General Maintenance

    3. Balance tonearm again and set tracking force to -0.1 gram. Now the tonearm should move slowly up and out towards armrest. 4. If the tonearm does not behave in this way, repeat tests before consulting your dealer. NOTE: Ensure that tube movement is unobstructed by the cueing device. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 22: Minor Problems

    7. Place stripped end of wire through hole in connector and bend back to form hook to secure. (Fig. 27 a) 8. From underneath place iron tip and from the top the solder. (Fig. 27 b) 9. Replace insulation tube over solder joint and gently remove connector from nail or drill. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 23: Broken Bias Thread

    8. Knot thread three times and trim surplus. 9. If absolutely necessary the length of thread can be shortened by loosening screw at point ‘x’ with Allen key 1.5 mm and pulling rod out slightly. (Fig. 28) _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 24: Hum And Buzz

    M. C. transformer ground to the ground of the preamplifier. This can be caused by the transformer in the power amplifier being situated too close to the cartridge or by the tonearm output cable being too close to the mains cable. If _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

  • Page 25: Transport And Packing

    4. Holding by pillar, place tonearm into plastic bag taking care of bias. 5. Fit tonearm into polystyrene cut-out. 6. Replace securing insert and put two halves of packing together. 7. Secure and replace in box and sleeve. _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...
  • Page 26 J. Cueing Device Adjustment ............18 V. GENERAL MAINTENANCE ..........19 VI. MINOR PROBLEMS .............. 20 A. Broken Pin Connector ............... 20 B. Broken Bias Thread ..............21 C. Hum and Buzz ................22 VII. TRANSPORT AND PACKING .......... 23 _________________________________________________________________ STOGI/STOGI REFERENCE KUZMA...

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