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  • Flageborg

    Flageborg

    Hi-Fi freak
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    MM spiller langt bedre enn lydopplevelsen man har fått demonstrert med overdimensjonerte TT/MC til 100 tusenvis av kroner på flere systemer gjennom de seneste par årene.......... :unsure:
     
    Balle Clorin

    Balle Clorin

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    Bra takk, jeg har en ny SUT på vei, så no kommer det en til salgs fra meg, litt drøyt å ha 3stk når bare en trengs .
     
    jifbaderom

    jifbaderom

    Hi-Fi freak
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    Sted
    Stavanger
    Anbefaler IKKE denne geleklumpen fra project.,
    Til nål.
    Funket ok,, til å ta noe skit fra plater.
    Men den tørket raskt ut
    IMG_2195.jpeg
     
    Balle Clorin

    Balle Clorin

    Æresmedlem
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    Arm Data (biglobe.ne.jp)
    SME drawings for series V/IV (& 300) are also misleading or confused by indicating:

    1. headshell offset D instead of true offset angle (=D minus included angle between grey line and wand centre line)​
    2. pivot to tip distance (A) projected laterally to horizontal line instead of straight effective line from pivot to tip​

    If stylus tip is located at the centre of C, then effective length indicated by SME is incorrect.
    If we take the given dimensions as design drawing and not for the template for alignment,
    then what should be calculated dimensions based on drawing?
    True effective length straight from pivot to tip
    233.181​
    		mm
    True offset angle when headshell offset angle D to wand is 23.635degrees
    22.699​
    		degrees
    Linear offset length
    89.983​
    		mm
    With given overhang F=17.8mm.
    Null points: 79.381mm &​
    100.584​
    		mm
    Hence if SME is truly intending Baerwald type alignments (Linear offset around 93.5mm), then we should amend the data on drawing as follows (or amend the drawing itself - it might be better for user since overhang definition F is not correct) When stylus tip has 9.5mm distance from the centre of mounting holes.
    Headshell offset angle D to make true offset angle 23.635 as a result
    24.6​
    		degrees
    Lateral projected length A to make true effective length 233.15
    233.116​
    		mm
     
    K

    KJ

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    ^Det tror jeg avhenger av topologien i inngangstrinnet. Jeg tipper det innlegget dreier seg om inverterende inngangstrinn:
    1719937724962.png

    EDIT : jf litt lengre ned i innlegget
    1720027322844.png

    Der Cambridge omtales som en phonoforsterker der inngngastrinnet ikke er en del av RIAA EQ og har en rent resistiv last for PU, og som ikke har noe annet samspill mellom PU-impedansen og RIAA EQ.

    mvh
    KJ
     
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    Balle Clorin

    Balle Clorin

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    Alignment Stevenson Løfgren A B

    ODYSSEY TONEARMS

    Information on the Odyssey HiFi Tonearm...... including the original RP1, RP1-xg and Gold Signature......
    odysseytonearms.blogspot.com odysseytonearms.blogspot.com
     
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    Balle Clorin

    Balle Clorin

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    Hold nå kjeft og spis grøten din i riktig tempo..
    www.superbestaudiofriends.org

    New Belt, and a Wow & Flutter Deep-Dive

    So I bought one of those new Rega ‘Reference’ belts for my old Planar 3. But even if you’re not one of the handful of Rega owners among SBAF, you might...
    www.superbestaudiofriends.org www.superbestaudiofriends.org
     
    Balle Clorin

    Balle Clorin

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    stjålet fra ASR...artiklene finnes her
    WorldRadioHistory: Radio Music Electronics Publications ALL FREE

    1) Hum, Rumble and Noise - By R. E. Cooke - Wireless World October 1959
    2) Vibrations in Gramophone Turntables - By R. L. West - Wireless World September 1959
    3) Turntable Rumble and Pickup Arm Design - J. Walton - Wireless World September 1962
    4) Limiting Factors in Gramophone Plastic Deformation and wear of groove walls - D. A. Barlow - Part 1 - Wireless World May 1957
    5) Limiting Factors in Gramophone Pickup Design Continuity of stylus Groove Contact - Part 2 - Wireless World June 1957
    6) Inner Groove Distortion - R. S. Oakley Jr. - Audio June 1962
    7) Pickup for low record wear - J. Walton - Wireless World April 1959
    8) Pickup Design - J. Walton - Wireless World July 1960
    9) Turntables - Joseph F. Grado - Audio
    ____ i) Do turntable affect sound - June 1977
    ____ii) Turntable and noise - July 1977
    ____iii) Tonearm Design and other things - August1977
    ____iv) Arm/Cartridge Resonance - October1977
    10) Gramophone Record Deformation - J. Walton - Wireless World July 1961
    11) Groove Deformation in Gramophone records - D. A. Barlow - Wireless World April 1964
    12) Pickup Arm Problems - John K. Murray - Wireless World April 1964
    13) How records are made - Gary Stock - Audio June 1980
    14) Mats & Clamps by the number - Edward M. Long - Audio April 1988
    15) Phonograph Reproduction 1978 - Anderson, Happ, Jakobs, Karlov, Kogen, Mastricola - Audio May 1978
    16) Phonograph Reproduction 1978 - Anderson, Happ, Jakobs, Karlov, Kogen, Mastricola - Audio June 1978
    17) Stereophonic Record Pickup - F. Oakes - Wireless World January 1959
    18) An Approach to pickup arm design - J.S. Wright - Wireless World April 1967
    19) Better Pickup Arm Performance - Len feldman - Radio Electronics - January 1980
    20) Understanding Turntable Specifications - Len feldman - Radio Electronics - February 1980
    21) i) Practical Parallel tracking pickup arm Part 1 - Rod cooper - Wireless World December 1979
    ____ ii) Practical Parallel tracking pickup arm Part 2 - Rod Cooper - Wireless World January 1980
    22) Parallel tracking Pickup arm modification and improvements - Rod Cooper - Wireless World July 1981
    23) The Bizarm - Ernie Lowinger - Wireless World December 1977
    24) i) Pickup arm Design Techniques 1 - Tejinder Singh Randhawa - Wireless World March 1978
    ____ ii) Pickup arm Design Techniques 2 - Tejinder Singh Randhawa - Wireless World April 1978
    25) Mercury Switch for Parallel tracking pickuparm - Rod Cooper - Wireless World April 1980
    26) Simple Pickup arm Design - David Read - Wireless World November 1980
    27) Understanding Phono Cartridges - S. Pramanik - Audio March 1979
    28) i) A New Turntable Arm Design Part 1 - Edgar Villchur - Audio September 1962
    ____ ii) A New Turntable Arm Design Part 2 - Edgar Villchur - Audio October 1962
    29) i) The Skating Force Phenomenon - James H. Kogen - Audio October 1966
    ____ ii) The Skating Force Phenomenon - James H. Kogen - Audio November 1966
    30) The Diamond as a Phonograph Stylus material - E.J. and M.V. Marchu - Audio Engineering July 1950
    31) i) Torsional Stability and the Unipivot - J. Bickerstaffe - Wireless World January 1966
    ____ ii) Torsional Stability and the Unipivot - J. Bickerstaffe - Wireless World February 1966
    32) Measuring Gramophone Pickup Performance - J. Walton - Wireless World December 1967
    33) Tracking Capability of Phonograph Pickups - J.G. Woodward - Audio March 1967
    34) i) Trackability 1973 - J. Kogen B. Jakobs, F. Karlov - Audio November 1966
    ____ ii) Trackability 1973 - J. Kogen B. Jakobs, F. Karlov - Audio August 1973
    35) Design of transcription Turntables - E. W. Mortimer - in house magazine of the Plessey Group - Google Search for pdf.
    36) i) The Lateral Mechanical impedance of Phonograph Pickups - J. G. Woodward, J. B. Halter - Audio engineering June 1953
    ____ ii) The Lateral Mechanical impedance of Phonograph Pickups - J. G. Woodward, J. B. Halter - Audio engineering July 1953
    37) Skating Force Mountain or molehill - R. S. Oakley Jr. - Audio March 1967
    38) Dynamic Thrust in pickups - J. F. Crabbe - Wireless World May 1960
    39) Understanding Tonerams - S. K. Pramanik - Audio June 1980
    40) Equivalent Mass Fact or fiction - Roger Anderson - Audio March 1978
    41) A New Concept in Diamond Styli - Dr. Hedi Benz - Audio August 1972
    42) A Practical High Frequency Trackability test for Phono Pickups - C. R. Anderson, P. W. Jenrick - Audio August 1972
    43) How we test a Phono Cartridge - Magazine Article - Audio August 1972
    44) Phono Cartridge Q. and A. Mainly for beginners - Magazine Article - August 1972
    45) i) Pickup Arm Design 1 - J. K. Stevenson - Wireless World May 1966
    ____ ii) Pickup Arm Design 2 - J. K. Stevenson - Wireless World June 1966
    46) Determining the tracking Capabilities of a Pickup - H. E. Roys - Audio engineering May 1950
    47) Pickup Arm Design Requirements for low tracking weight and immunity from vibrations - J. Walton - Wireless World June 1959
    48) Versatile Stereophonic Pickup Necessity for a low tip mass - J. Walton - Wireless World August 1961
    49) Stylus Mass and distortion - J. Walton - Wireless World April 1963
    50) SOUND Chapter 1 - Edgar M. Villchur - Audio September 1956
    ____ High Fidelity Standards Chapter 2 - Edgar M. Villchur - Audio November 1955
    ____ The Sound Reproducing System Chapter 3 - Edgar M. Villchur - Audio December 1955
    ____ Disc Recording Chapter 4 - Edgar M. Villchur - Audio January 1956
    ____ Pickups, Tonearms and needles Chapter 5 - Edgar M. Villchur - Audio February 1956
    51) Pickup Tracking errors - Edgar M. Villchur - March 1952
    52) High Fidelity phonograph Cartridge - Technical Seminar by SHURE Co. - Search title in google
     
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