Digital Drive

• RE: So... - Leo loves music 08:03:59 04/13/25 (6)
  In Reply to: RE: So... posted by E-Stat on April 13, 2025 at 07:53:11

  In the past my Sony ES CD player with the DIY coax SPDIF sounds very nice as a CD transport. This Tascam CD-200 after a coax SPDIF mod is just as good. Now I have 2 nice CD transports.
  
  I am considering whether do the same to my Cambridge CXC CD transport.
  

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  • What does - E-Stat 08:06:19 04/13/25 (5)
    In Reply to: RE: So... posted by Leo loves music on April 13, 2025 at 08:03:59

    adding a couple op amps, resistors and caps do to the circuit?
    

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    • There are no op-amps - nt - AbeCollins 18:50:33 04/15/25 (2)
      In Reply to: RE: What does posted by E-Stat on April 13, 2025 at 08:06:19

      .
      
      
      
      
      

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      • Right - E-Stat 18:58:39 04/15/25 (1)
        In Reply to: RE: There are no op-amps - nt posted by AbeCollins on April 15, 2025 at 18:50:33

        forgot he's using the CD player as transport.
        
        Been a long time since I've used one.
        

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        • RE: Right - AbeCollins 20:01:09 04/15/25 (0)
          In Reply to: RE: Right posted by E-Stat on April 15, 2025 at 18:58:39

          The circuit that he added is primarily comprised of the 74HCT04, a LS/TTL compatible high-speed CMOS Hex Inverter and a pulse transformer.

          The inverters can be used as level converters, buffers, drivers.

          
          
          
          

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          Edits: 04/15/25   04/16/25
    • RE: What does - Leo loves music 08:14:59 04/13/25 (1)
      In Reply to: RE: What does posted by E-Stat on April 13, 2025 at 08:06:19

      1. Added an isolation pulse transformer.
      2. Added a true 75ohm RCA socket.
      3. Added a strong driving circuit with true 75ohm impedance.

      Yes, after the mod you get a nice CD transport.
      

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      Edits: 04/13/25

      • Alrighty then! -nt - E-Stat 08:23:32 04/13/25 (0)
        In Reply to: RE: What does posted by Leo loves music on April 13, 2025 at 08:14:59

        
        

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