Audio Consulting Silver Rock Toroidal Reference Phono Stage

PHONO STAGES / PREAMPLIFIERS

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ACTIVE PHONO PREAMPLIFIERS

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  • TRAFOMATIC Audio / LUNA - MM & MC

    C3g Tube, SE Class A Phono Preamplifier, Dual Chassis - External Power Supply, MM/MC , MC Input Transformer LL1941

    GAIN MM

    45dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    -78dB

    IPT -Capacitance

    -

    Other 1

    -

    -

    GAIN MC

    70dB

    LOAD  Z MC

    10 > 100 (4 levels)

    THD MC / Noise

    -78dB

    Key Feature

    -

    Other 2

    20 > 20Khz +/- 0.3dB

  • TRAFOMATIC Audio / Reference Phono One - MM & MC

    EF806 / 6N6P Tube, SE Class A Phono Preamplifier, Tube Rectification, MM/MC , MC Lundahl Input Transformer

    GAIN MM

    45dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    78dB

    IPT -Capacitance

    -

    Other 1

    -

    -

    GAIN MC

    67dB

    LOAD  Z MC

    20 > 1K (6 levels)

    THD MC / Noise

    78dB

    Key Feature

    -

    Other 2

    20 > 20Khz +/- 0.3dB

  • TRAFOMATIC Audio / Evolution One Phono - MM & MC

    2 x OPA 2134 Solid State, SE Class A Phono Preamplifier, MM/MC 

    GAIN MM

    40dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    76dB

    IPT -Capacitance

    -

    Other 1

    -

    -

    GAIN MC

    64dB

    LOAD  Z MC

    20 > 1K (6 levels)

    THD MC / Noise

    80dB

    Key Feature

    -

    Other 2

    20 > 20Khz +/- 0.3dB

  • E.A.T. European Audio Team  / E - GLO Reference - MM & MC

    ECC83 / ECC88 Tube, SE Class A Phono Preamplifier, MM/MC , MC LL1932 Input Transformer, On the Fly Adjustability

    GAIN MM

    46dB

    LOAD  Z MM

    46 k

    THD MM / Noise

    79dB

    IPT -Capacitance

    50-840 pf  5 Levels

    Other 1

    Selectable Gain

    -

    GAIN MC

    76dB or 79dB

    LOAD  Z MC

     2 >1.2K (16 levels)

    THD MC / Noise

    80dB

    Key Feature

    ON THE FLY

    Other 2

    20 > 20Khz +/- 0.3dB

  • E.A.T. European Audio Team  / E - GLO S - MM & MC

    ECC83 / J-Fet, SE Class A Phono Preamplifier, MM/MC , MC LL1932 Input Transformer, On the Fly Adjustability

    GAIN MM

    45dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    nc

    IPT -Capacitance

    50-420 pf  7 Levels

    Other 1

    Selectable Gain

    Subsonic Filter / -18 dB Octave

    GAIN MC

    45dB>70dB  / 5 Levels

    LOAD  Z MC

    10 > 1K (6 levels)

    THD MC / Noise

    nc

    Key Feature

    ON THE FLY

    Other 2

    20 > 20Khz +/- 0.3dB

  • E.A.T. European Audio Team  / E - GLO Petit - MM & MC

    ECC83 / Quad 2SK209 J-Fets, SE Class A Phono Preamplifier, MM/MC, On the Fly Adjustability

    GAIN MM

    40dB > 70db  (6 levels)

    LOAD  Z MM

    30k > 75K (8 levels)

    THD MM / Noise

    70 db  (20Hz-20kHz)

    IPT -Capacitance

    50 > 620 pf (6 levels)

    Other 1

    Selectable Gain

    -

    GAIN MC

    40dB > 70db  (6 levels)

    LOAD  Z MC

    10 > 1.2K (6 levels)

    THD MC / Noise

    87db  A-weighted

    Key Feature

    ON THE FLY

    Other 2

    20 > 20Khz +/- 0.3dB

  • E.A.T. European Audio Team  / LPS - Linear Power Supply

    Linear DC Power Supply, Dual Output 15V & 18V, RFI Filtering / Elimination, for use with EAT Phono Stage & Turntable Models

    GAIN MM

    -

    LOAD  Z MM

    -

    THD MM / Noise

    15V - max 1uV

    IPT -Capacitance

    -

    Other 1

    -

    -

    GAIN MC

    -

    LOAD  Z MC

    -

    THD MC / Noise

    18V - max 10uV

    Key Feature

    +/- 0.05% V accuracy

    -

    20 > 20Khz +/- 0.3dB

  • Balanced Audio Technology / VK-P12 SE  - MM/MC / Tube 

    Ten tube in dual-mono, Step-Up TFRs, CCS tube current sources, zero-feedback topology, differential RIAA network

    GAIN MM

    45/60 dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    93 dB / A-WTD

    IPT -Capacitance

    0>1000 (18 levels)

    Other 1

    Six-Pak PSU

    4 x 6C45 & 6922 , 2 x 6SN7

    GAIN MC

    65/80 dB

    LOAD  Z MC

    100 to 47k ( x 26 )

    THD MC / Noise

    76 dB / A-WTD

    Key Feature

    Phase Switch -  0/180

    Other 2

    20 > 20Khz +/- 0.3dB

  • Balanced Audio Technology / VK-P6 SE  - MM/MC / Tube

    Ten tubes in a dual-mono phono stage, CCS tube current sources, zero-feedback topology, differential RIAA network

    GAIN MM

    50 dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    73 dB / A-WTD

    IPT -Capacitance

    100>1000 (17 levels)

    Other 1

    Six-Pak PSU

    4 x 6C45 & 6922 , 2 x 6SN7

    GAIN MC

    56 dB

    LOAD  Z MC

    100 to 47k ( x 26 )

    THD MC / Noise

    71 dB / A-WTD

    Key Feature

    Phase Switch -  0/180

    Other 2

    20 > 20Khz +/- 0.3dB

  • Audio Consulting / Silver Rock Meteor Phono  - MC 

    Battery-powered, Silver toroidal IPTs & OPTs, Solid state circuit, dual-mono L-R RIAA via Toroidal cryo silver inductors

    GAIN MM

    43 dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    Not Communicated

    Other 1

    Battery PSU

    8 x Cryo Silver Magnetics

    GAIN MC

    70 dB via SUT

    LOAD  Z MC

    Custom

    THD MC / Noise

    Not Communicated

    Key Feature

    Toroidal Silver TFRs

    Other 2

    -

  • Audio Consulting / Silver Rock Phono  - MC 

    Silver MC step up IPT, active 2nd stage, inductive silver RIAA crossover, silver OPTs, 70 dB of gain @ 1KHz.

    GAIN MM

    43 dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    Not Communicated

    Other 1

    -

    Battery Powered

    GAIN MC

    70 dB via SUT

    LOAD  Z MC

    custom

    THD MC / Noise

    Not Communicated

    Key Feature

    Toroidal Silver TFRs

    Other 2

    -

  • AUDIO HUNGARY - Qualiton Phono - MM or MC / Tube

    MM or MC Tube Phono Preamplifier / External stabilized power supply / Zero feedback passive RIAA stage

    GAIN MM

    40dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    Noise / > 70 db

    IPT -Capacitance

    Not Communicated

    Other 1

    Bandwidth :

    20 > 20Khz +/- 0.3dB

    GAIN MC

    62dB

    LOAD  Z MC

    145 ohm

    THD MC / Noise

    Noise / > 65 db

    Key Feature

    6922 x 2 / ECC83 x 4

    Other 2

    MC Step-up card + $500

  • SWISSONOR / Historic 8910 MONO - MI / MM / MC

    Urs Frei Design, H-O MC, MI/MM - MONO Phono Pre w/ Passive RIAA Equalizer, 11 selectable EQ Curves

    GAIN MM

    26 / 29 / 32 dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    100/200/320 pf

    Other 1

    -

    -

    GAIN MC

    -

    LOAD  Z MC

    22 > 47K (6 levels)

    THD MC / Noise

    Not Communicated

    Key Feature

    Mono - 11 EQ Curves

    Other 2

    -

  • SWISSONOR / PPP-3P  - Hashimoto HM-3 SUT w/ MM PHONO STAGE

    MC HASHIMOTO Step-Up transformer (HM-3 or HM-X) with Swissonor MM VSOP Phono Stage

    GAIN MM

    Not Communicated

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    Not Communicated

    Other 1

    HM-3 B-width :

    15 > 50Khz +/- 1dB

    GAIN MC

    32dB or 26dB /TFR

    LOAD  Z MC

    3 or 12ohm / TFR

    THD MC / Noise

    Not Communicated

    Key Feature

    w / VSOP MM Phono

    Other 2

    -

  • SWISSONOR / PPP-XP  - Hashimoto HM-X SUT w/ MM PHONO STAGE

    MC HASHIMOTO Step-Up transformer (HM-3 or HM-X) with Swissonor MM VSOP Phono Stage

    GAIN MM

    Not Communicated

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    Not Communicated

    Other 1

    HM-X B-width :

    15 > 100Khz +/- 1dB

    GAIN MC

    29dB or 23dB /TFR

    LOAD  Z MC

    3 or 12ohm / TFR

    THD MC / Noise

    Not Communicated

    Key Feature

    w / VSOP MM Phono

    Other 2

    -

  • SWISSONOR / PP - MM or High Output MM

    Urs Frei Design, MC or MM Phono Pre w/ Passive RIAA Equalizer, external 24 V DC PSU, high cap/low ESR capacitors

    GAIN MM

    Not Communicated

    LOAD  Z MM

    47 k

    THD MM / Noise

    Not Communicated

    IPT -Capacitance

    Not Communicated

    Other 1

    -

    -

    GAIN MC

    Not Communicated

    LOAD  Z MC

    1 k

    THD MC / Noise

    Not Communicated

    Key Feature

    Passive RIAA

    Other 2

    -

  • QUAD / QC Twenty Four P  - MM / MC PHONO STAGE

    MM / MC,  + Line Level Preamp control, Transformer + Relay input circuit, Tim de Paravicini design, 6111WA tube

    GAIN MM

    1.3/2.6/5.2 mv

    LOAD  Z MM

    47 k

    THD MM / Noise

    > 60dB

    IPT -Capacitance

    -

    Other 1

    Bandwidth :

    20 > 20Khz +/- 0.5dB

    GAIN MC

    0.13/0.26/0.52 mv

    LOAD  Z MC

    10 ohm

    THD MC / Noise

    0.08%  (A-weighted)

    Key Feature

    4 x 6111WA tubes

    Other 2

    -

  • MOFI MOBILE FIDELITY / StudioPhono - MM & MC

    Selectable Gain & Loading, MM/MC, Tim de Paravicini Design, Selectable Mono Mode, Subsonic Filter

    GAIN MM

    40dB or 46dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    0.01%

    IPT -Capacitance

    100 pf

    Other 1

    Sub-S Filter

    -

    GAIN MC

    60dB or 66dB

    LOAD  Z MC

    75 > 47K (6 levels)

    THD MC / Noise

    0.012%

    Key Feature

    MONO MODE

    Other 2

    -

  • MOFI MOBILE FIDELITY / UltraPhono - MM/MC & HPA

    Tim de Paravicini Design, Selectable Gain & Loading, MM/MC, Selectable Mono Mode, Subsonic Filter, HP-Amplifier

    GAIN MM

    40dB to 46dB

    LOAD  Z MM

    47 k

    THD MM / Noise

    0.006%

    IPT -Capacitance

    100 pf

    Other 1

    Sub-S Filter

    MONO MODE

    GAIN MC

    60dB or 66dB

    LOAD  Z MC

    75 > 47K (6 levels)

    THD MC / Noise

    0.0055%

    Key Feature

    CL-A HPA / 8 ohm <

    Other 2

    -

MOVING COIL STEP UP TRANSFORMERS

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  • Audio Consulting  / Silver Rock Meteor SUT / Toroidal 

    High tech magnetic materials, Audio Consulting Silver Wire, Substantially shielded, immunity to air born vibrations

    GAIN

    20dB or 26dB /TFR

    -

    LOAD  Z

    2 or 40ohm / TFR

    -

    Bandwidth

    No communicated

    Options

    Black Chassis

    -

    Other

    Toroidal TFRs

    Silver Cryo Wire

  • Audio Hungary QUALITON / MC  SUT 

    MC HASHIMOTO Step-Up transformer (HM-3 or HM-X)

    GAIN

     24dB /TFR

    -

    LOAD  Z

    2-10ohm / TFR

    10-50 ohm / TFR

    Bandwidth

    5 > 90Khz +/- 3dB

    Options

    -

    -

    Other

    Nom Output 5mV

    -

  • Sculpture A / MINI NANO  SUT 

    MC Toroidal nano-cristalline core Step-Up transformer - available in 7 winding ratio versions : 1:5 / 1:10 / 1:15 / 1:20 / 1:26 / 1:30 / 1:40

    GAIN

    see winding ratio

    -

    LOAD  Z

    nc

    nc

    Bandwidth

    20 > 60Khz +/- 0.5dB

    Options

    7 winding ratios

    -

    Other

    99.99% Cu winding

    -

  • SWISSONOR / PPP-3  - Hashimoto HM-3 SUT 

    MC HASHIMOTO Step-Up transformer (HM-3 or HM-X)

    GAIN

    32dB or 26dB /TFR

    -

    LOAD  Z

    3 or 12ohm / TFR

    -

    Bandwidth

    15 > 50Khz +/- 1dB

    Options

    -

    -

    Other

    -

    -

  • SWISSONOR / PPP-X  - Hashimoto HM-X SUT 

    MC HASHIMOTO Step-Up transformer (HM-3 or HM-X)

    GAIN

    29dB or 23dB /TFR

    -

    LOAD  Z

    3 or 12ohm / TFR

    -

    Bandwidth

    15 > 100Khz +/- 1dB

    Options

    -

    -

    Other

    -

    -

  • ORTOFON / ST-80 SE  - SUT    Step Up Transformer / Made in Japan

    A pure dual mono model, which ensures maximum channel separation. Internal point-to-point wiring

    GAIN

    27dB  /TFR

    -

    LOAD  Z

    < 10 ohm / TFR

    -

    Bandwidth

    10 > 100Khz +/- 1dB

    Options

    -

    -

    Other

    -

    -

  • ORTOFON / M 25  - Mono SUT    Step Up Transformer / Made in Japan

    For Ortofon SPU CG-25 & CG-65 Di MK2 Mono Moving Coil Cartridges

    GAIN

    12 dB  /TFR

    -

    LOAD  Z

    5 or 50ohm / TFR

    -

    Bandwidth

    10 > 100Khz +/- 1dB

    Options

    -

    -

    Other

    -

    -

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