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The worlds greatest Marantz SA-11S2 (& SA-7S1)

The worlds greatest Marantz SA-11S2

Last update – 09/02/22

Information

  • 1x SA-7S1 Transformer – lifting from 100VA to 160VA
  • 2x Fidelity Audio C5 Signature uber low jitter clocks
  • 2x Fidelity Audio SPower HC low noise voltage regulators
  • 5x Fidelity Audio SPower UBER Triple Vref very low noise voltage regulators (custom versions)
  • 13x Fidelity Audio SPower D low noise voltage regulators
  • 2x Fidelity Audio X1 Clock Pre Regulation
  • 1x Fidelity Audio Filter HF
  • 1x Fidelity Audio Filter 2
  • 46x Black Gate capacitors (various values)
  • 6x Mundorf AG smoothing capacitors totalling 207,000uF
  • Various capacitors fitted with WA Quantum Chips
  • Various capacitors fitted with Gabriel Tech Chips
  • Clock Oscillators fitted with WA Quantum Chips
  • 10x Ferrite clamps on ac lines
  • 2x ‘Magic Cloth’ fitted into the lid
  • Mechanism clamp cover plate treated with Silver coated Copper EMI screening
  • Mechanism cover treated (underneath) with Silver coated Copper EMI screening + Silver plated ground wire

Mains Input

  • Furutec Rhodium over Copper IEC
  • Rewired with Audio Wire 2TP (HQ Silver plated Copper)
  • Bybee AC Purifiers (Live & Neutral)
  • Bybee Slipstream (Earth to ground)
  • Fidelity Audio Filter HF – reduces HF/RF noise
  • Fidelity Audio Filter 2 – reduces waveform harmonics
  • 4x Ferrite clamps on ac to tx
  • Synergistic Research Orange fuse
  • Vishay MKP 0.1uF capacitor across switch
  • SA-7S1 Transformer

Servo Main PSU

  • Ferrite clamp on ac
  • Replace F801 with Kimber AGSS
  • Bybee Music Rail 2A (Pre Uber reg)
  • Replace D805, D804, D807 & D802 with HFA04TB60 HexFred
  • Replace D806, D803, D808 & D801 with 11DQ09 Schottky
  • Replace C802, C803 & C806 with Mundorf AG 25V 47000uF
  • Replace Q801 with SPower UBER Digital low noise 5V voltage regulator with BG FK 25V 220uF
  • Replace C805 with Black Gate 16V 470uF
  • Replace C804 with Oscon SEPC 6.3V 470uF
  • Ferrite clamp on ac
  • Replace F811 with Kimber AGSS
  • Replace D811, D812, D813 & D814 with HFA04TB60 HexFred
  • HexFreds in parallel with 11DQ09 Schottky
  • Replace C811 with Black Gate FK 35V 3300uF
  • Replace Q811 with SPower HC 12.6V low noise voltage regulator
  • Replace C813 with Black Gate FK 35V 3300uF
  • Replace C814 with Black Gate 35V 4700uF
  • Replace Q812 with SPower HC 8V low noise noise voltage regulator
  • Replace C815 with Rubycon ZA 35V 220uF
  • Rewired Connector J805 with Audio Wire Silver plated copper
  • Fitted 8x Ferrite to Audio Wire from J805


Analogue PSU

  • Replace F851 with Bybee Slipstream
  • Replace F853 with Bybee Slipstream
  • Replaced cable J855 to J856 with Kimber
  • Replace D851, D852, D853 & D854 with HFA04TB60 HexFred
  • Replace D855, D856, D857 & D858 with HFA04TB60 HexFred
  • Replace C851 with Mundorf AG 40V 22000uF
  • Replace C852 with Mundorf AG 40V 22000uF
  • Remove all the the +11V voltage regulation circuit
  • Replace with Custom SPower UBER very low noise voltage regulation +10.25V +/- 0.2v (Fine adjusted matched pair +10.25V)
  • Remove all the the -11V voltage regulation circuit
  • Replace with Custom SPower UBER very low noise voltage regulation -10.25V +/- 0.2v (Fine adjusted matched pair -10.25V)
  • Replace C855 with Black Gate FK 35V 2200uF
  • Replace C856 with Black Gate FK 35V 2200uF

SPower UBER very low noise regulators (custom tune)

  • 6x Oscon SVP 820uF capacitors

  • 16x Panasonic PPS capacitors

  • 2x Black Gate FK 16V 220uF capacitors

  • 2x Cerefine 25V 470uF capacitors

  • All silicon selected for ultimate low noise performance
     

SPower UBER derived analogue psu regulation

Dac Main PSU

  • Ferrite clamp on ac
  • Replace F841 with Kimber AGSS
  • Replace D841, D842, D843 & D844 with HFA04TB60 HexFred
  • Replace C841 with Mundorf SI 35V 22000uF
  • Remove all the the +8V voltage regulation circuit
  • Replace with SPower D +5V Low noise voltage regulator (to supply 2x dac vref 2.5v regulators)
  • Replace C843 with Black Gate 16V 3300uF
  • Fitted Panasonic 65V 100nF PPS across C841
  • Add SPower Uber Digital voltage regulator +6.5V (to supply SPower D 5V dac r)
  • Add SPower Uber Digital voltage regulator +6.5V (to supply SPower D 5V dac l)

Servo Section

  • Replace C705 with Black Gate 16V 470uF
  • Replace IC701 with SPower Discrete 3.3V low noise voltage regulator
  • Replace C707 with Oscon SEPC 6.3V 470uF
  • Replace C713 with Oscon SEPC 6.3V 470uF
  • Replace C721 with Oscon SEPC 6.3V 470uF
  • Replace IC702 with SPower Discrete 3.3V low noise voltage regulator
  • Replace C715 with Oscon SEPC 6.3V 470uF
  • Replace C722 with Oscon SEPC 6.3V 470uF
  • Replace C723 with Oscon SEPC 6.3V 470uF
  • Replace C727 with Oscon SEPC 6.3V 470uF
  • Replace IC704 with SPower Discrete 2.5V low noise voltage regulator
  • Replace C725 with Oscon SEPC 6.3V 470uF
  • Replace C738 with Oscon SEPC 6.3V 470uF (CD / SACD Selector)
  • Replace C528 with Oscon SEPC 6.3V 470uF (SA LD)
  • Replace C530 with Oscon SEPC 6.3V 470uF (CD LD)
  • Replace C545 with Oscon SEPC 6.3V 470uF (Spindle 5v)
  • Replace C549 with Rubycon ZA 35V 220uF (Spindle 12v)
  • Replace C527 with Oscon SEPC 6.3V 470uF (RF Amp)
  • Replace C560 with Oscon SEPC 6.3V 470uF (RF Amp)
  • Replace C565 with Oscon SEPC 6.3V 470uF (RF Amp)
  • Replace C558 with Oscon SEPC 6.3V 470uF (RF Amp)
  • Replace C567 with Oscon SEPC 6.3V 470uF (RF Amp)
  • Replace C569 with Oscon SEPC 6.3V 470uF (Servo processor)
  • Replace C570 with Oscon SEPC 6.3V 470uF (Servo processor)
  • Replace C571 with Oscon SEPC 6.3V 470uF (Servo processor)
  • Replace C590 with Oscon SEPC 6.3V 470uF (DRAM)
  • Added ‘Magic Pad’ EMI / RFI Absorber pads to both ribbon cables
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to DSD ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to SERVO and PLL ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to DSD / CD switching ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to RF AMP ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to D-RAM & SDRAM ics
  • Added ‘Magic Pad’ EMI / RFI Absorber pads to all other ics
  • Added ‘Magic Pad’ EMI / RFI Absorber pads to ribbon cables
  • Added 4x Ferrites to ribbon cables

Pec Section

  • Replace C156 with Black Gate 16V 470uF
  • Replace Q106 with SPower D 3.3V low noise voltage regulator
  • Replace C141 with Black Gate FK 16V 220uF
  • Replace Q107 with SPower D 2.5V low noise voltage regulator
  • Replace C143 with Oscon SEPC 6.3V 470uF
  • Replace C149 with Black Gate 16V 22uF
  • Replace C196 with Black Gate 16V 220uF
  • Replace C198 with Panasonic PPS 63V 100nF
  • Replace Q180 with SPower D 3.3V low noise voltage regulator
  • Replace C181 with Oscon SEPC 6.3V 470uF
  • Replace C182 with Panasonic PPS 63V 100nF
  • Replace C183 with Panasonic PPS 63V 100nF
  • Replace C184 with Panasonic PPS 63V 100nF
  • Added Oscon SEPC 6.3V 560uF across C184
  • Replace C185 with Oscon SEPC 6.3V 470uF
  • Replace C155 with Oscon SEPC 6.3V 470uF
  • Replace C167 with Oscon SEPC 6.3V 470uF
  • Replace C175 with Oscon SEPC 6.3V 470uF
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to PEC ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to Digital interface ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pads to digital signal buffer ics
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to DSP ROM ic
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to FPGA ROM ic

CLOCKING

SACD CLOCK PSU

  • Ferrite clamp on transformer primary
  • 1x 7VA 9V Toroidal transformer
  • Ferrite clamp on transformer secondary
  • 4x DO-201AD ultra fast diodes
  • 1x Mundorf AG 25V 47000uF
  • 1x Fidelity Audio X1 Clock Pre Regulation

SACD CLOCK

  • Remove X101
  • Remove R111
  • Remove R112
  • Remove Q103
  • Replace C149 with Oscon SEPC 6.3V 470uF
  • Replace C122 with Oscon SEPC 6.3V 470uF
  • 1x Fidelity Audio C5 Signature Uber low jitter clock 67.7376 Mhz
  • Oscillator fitted with WA Quantum chip
  • Q104 power rail now isolated from noisy clock
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to C5 Signature clock
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to Q104

CD CLOCK PSU

  • Ferrite clamp on transformer primary
  • 1x 7VA 9V Toroidal transformer
  • Ferrite clamp on transformer secondary
  • 4x DO-201AD ultra fast diodes
  • 1x Mundorf AG 25V 47000uF
  • 1x Fidelity Audio X1 Clock Pre Regulation

CD CLOCK

  • Remove X102
  • Remove C144
  • Replace C152 with Oscon SEPC 6.3V 470uF
  • 1x Fidelity Audio C5 Signature Uber low jitter clock 33.86 Mhz
  • Oscillator fitted with WA Quantum chip
  • Q105 power rail now isolated from noisy clock
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to C5 Signature clock
  • Added ‘Magic Pad’ EMI / RFI Absorber pad to Q105




Dac section

  • Replace C201 with Black Gate 16V 470uF
  • Replace C202 with Black Gate FK 16V 220uF
  • Remove all the resistors and regulator associated with the 5V supply
  • Replace Q202 with SPower D 5V low noise voltage regulator
  • Replace C252 with Black Gate 16V 470uF
  • Replace C251 with Black Gate FK 16V 220uF
  • Remove all the resistors and regulator associated with the 5V supply
  • Replace Q252 with SPower D 5V low noise voltage regulator
  • Replace C203 with Black Gate FK 16V 220uF
  • Added Oscon SEPC 470uF across C203
  • Replace C205 with Black Gate FK 16V 220uF
  • Added Oscon SEPC 470uF across C205
  • Replace C253 with Black Gate FK 16V 220uF
  • Added Oscon SEPC 470uF across C253
  • Replace C255 with Black Gate FK 16V 220uF
  • Added Oscon SEPC 470uF across C255
  • Replace C204 with Panasonic PPS 100nF
  • Replace C206 with Panasonic PPS 100nF
  • Replace C254 with Panasonic PPS 100nF
  • Replace C256 with Panasonic PPS 100nF
  • Replace C208 with Black Gate FK 16V 220uF
  • Replace C258 with Black Gate FK 16V 220uF
  • Replace C297 with Black Gate 16V 22uF
  • Replace C294 with Black Gate 16V 22uF
  • Replace C293 with Panasonic PPS 100nF
  • Replace C296 with Panasonic PPS 100nF
  • Replace Q292 with 2x SPower D 2.5V (matched at 2.524V)
  • * Replace R292 with 10K multi turn (v ref adjust) – no longer used
  • Added ‘Magic Pad’ EMI / RFI Absorber pads to Dac ics

Analogue output section

  • Replace C221 with Black Gate 16V 470uF
  • Replace C222 with Black Gate 16V 470uF
  • Replace C321 with Black Gate 16V 470uF
  • Replace C322 with Black Gate 16V 470uF
  • Replace C421with Black Gate FK 16V 220uF
  • Replace C422 with Black Gate FK 16V 220uF
  • Bypassed C405 & C406 with Kimber AGSS
  • Bypassed C430 & C431 with Kimber AGSS
  • Replace C271 with Black Gate 16V 470uF
  • Replace C272 with Black Gate 16V 470uF
  • Replace C371 with Black Gate 16V 470uF
  • Replace C372 with Black Gate 16V 470uF
  • Replace C471 with Black Gate FK 16V 220uF
  • Replace C472 with Black Gate FK 16V 220uF
  • Replace C211 with Silver Mica 330pf
  • Replace C226 with Silver Mica 330pf
  • Replace C261 with Silver Mica 330pf
  • Replace C276 with Silver Mica 330pf
  • Replace C301 with Silver Mica 330pf
  • Replace C326 with Silver Mica 330pf
  • Replace C351 with Silver Mica 330pf
  • Replace C376 with Silver Mica 330pf
  • Replace C302 with Silver Mica 150pf
  • Replace C327 with Silver Mica 150pf
  • Replace C352 with Silver Mica 150pf
  • Replace C377 with Silver Mica 150pf
  • Replace C212 with Silver Mica 33pf
  • Replace C227 with Silver Mica 33pf
  • Replace C262 with Silver Mica 33pf
  • Replace C277 with Silver Mica 33pf
  • Replace C303 with Silver Mica 33pf
  • Replace C328 with Silver Mica 33pf
  • Replace C353 with Silver Mica 33pf
  • Replace C378 with Silver Mica 33pf
  • Replace C403 with Silver Mica 33pf
  • Replace C428 with Silver Mica 33pf
  • Replace C453 with Silver Mica 33pf
  • Replace C478 with Silver Mica 33pf
  • Replace C402 with Silver Mica 10pf
  • Replace C427 with Silver Mica 10pf
  • Replace C452 with Silver Mica 10pf
  • Replace C477 with Silver Mica 10pf
  • Replace R216 with 6K81 Metal Film 0.1%
  • Replace R229 with 6K81 Metal Film 0.1%
  • Replace R266 with 6K81 Metal Film 0.1%
  • Replace R276 with 6K81 Metal Film 0.1%
  • Replace R301 with 7K50 Metal Film 0.1%
  • Replace R376 with 7K50 Metal Film 0.1%
  • Replace R326 with 7K50 Metal Film 0.1%
  • Replace R351 with 7K50 Metal Film 0.1%
  • Replace R327 with 9K1 Metal Film 0.1%
  • Replace R352 with 9K1 Metal Film 0.1%
  • Replace R302 with 9K1 Metal Film 0.1%
  • Replace R377 with 9K1 Metal Film 0.1%
  • Replace R219 with 33r2 Metal Film 0.1%
  • Replace R220 with 33r2 Metal Film 0.1%
  • Replace R234 with 33r2 Metal Film 0.1%
  • Replace R235 with 33r2 Metal Film 0.1%
  • Replace R269 with 33r2 Metal Film 0.1%
  • Replace R270 with 33r2 Metal Film 0.1%
  • Replace R284 with 33r2 Metal Film 0.1%
  • Replace R285 with 33r2 Metal Film 0.1%
  • Replace R310 with 33r2 Metal Film 0.1%
  • Replace R311 with 33r2 Metal Film 0.1%
  • Replace R335 with 33r2 Metal Film 0.1%
  • Replace R336 with 33r2 Metal Film 0.1%
  • Replace R360 with 33r2 Metal Film 0.1%
  • Replace R361 with 33r2 Metal Film 0.1%
  • Replace R385 with 33r2 Metal Film 0.1%
  • Replace R386 with 33r2 Metal Film 0.1%
  • Replace R401 with 2K26 Metal Film 0.1%
  • Replace R426 with 2K26 Metal Film 0.1%
  • Replace R451 with 2K26 Metal Film 0.1%
  • Replace R476 with 2K26 Metal Film 0.1%
  • Replace R404 with 6K81 Metal Film 0.1%
  • Replace R429 with 6K81 Metal Film 0.1%
  • Replace R454 with 6K81 Metal Film 0.1%
  • Replace R479 with 6K81 Metal Film 0.1%
  • Replace R416 with 100r Metal Film 0.1%
  • Replace R441 with 100r Metal Film 0.1%
  • Replace R466 with 100r Metal Film 0.1%
  • Replace R491 with 100r Metal Film 0.1%
  • Replace R418 with 178r Metal Film 0.1%
  • Replace R420 with 178r Metal Film 0.1%
  • Replace R443 with 178r Metal Film 0.1%
  • Replace R445 with 178r Metal Film 0.1%
  • Replace R468 with 178r Metal Film 0.1%
  • Replace R470 with 178r Metal Film 0.1%
  • Replace R493 with 178r Metal Film 0.1%
  • Replace R495 with 178r Metal Film 0.1%
  • Replace R422 with 10r Metal Film 0.1%
  • Replace R423 with 10r Metal Film 0.1%
  • Replace R447 with 10r Metal Film 0.1%
  • Replace R448 with 10r Metal Film 0.1%
  • Replace R472 with 10r Metal Film 0.1%
  • Replace R473 with 10r Metal Film 0.1%
  • Replace R479 with 10r Metal Film 0.1%
  • Replace R498 with 10r Metal Film 0.1%
  • Replace R424 with 46r4 Metal Film 0.1%
  • Replace R449 with 46r4 Metal Film 0.1%
  • Replace R474 with 46r4 Metal Film 0.1%
  • Replace R499 with 46r4 Metal Film 0.1%
  • Bypassed C455 & C456 with Kimber AGSS
  • Bypassed C480 & C481 with Kimber AGSS
  • CMC High grade Silver over Copper RCA output sockets
  • Kimber AGSS used for signal output
  • Soldered using Mundorf Supreme Silver Gold solder

FIN....

(Probably not!)
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