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  1. #1
    SuperPoser Rock789's Avatar
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    1-BIT DLC (Direct Linear Conversion)

    I've got an old pioneer cd changer which has a 1-BIT DLC DAC (I believe)
    it's a Pioneer PD-F906...
    I am running this into a B&K PT3 series II pre, Anthem PVA 2 amp, and running Von Schweikert VR1...
    I figure the Digital Analog convertor is the weak link, and will be shortly trying a denon 20bit DAC, but would you guys suggest a much better DAC or am I going in the wrong direction with this?
    also, any info on upgrading the Pioneer CD changer's output?

    thanks,
    Mike
    HT: Anthem AVM 50 / PVA-7; Focal JM Lab 4x Chorus 716 S, CC 700 S, 2x Chorus 706S; 2x 12s - Homebuilt Sub
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  2. #2
    I took a headstart... basite's Avatar
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    1 bit?
    are you sure about that?

    at one bit you'll be able to hear beeps,
    try looking out for a totally new cd player...
    Life is music!

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  3. #3
    SuperPoser Rock789's Avatar
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    Quote Originally Posted by basite
    1 bit?
    are you sure about that?

    at one bit you'll be able to hear beeps,
    try looking out for a totally new cd player...
    the front says "1-BIT DLC"... I googled this and it says it was a type of digital to analog converter, but I am not sure how this works...

    the changer does have optical out, which is what I am looking to use in the future...
    HT: Anthem AVM 50 / PVA-7; Focal JM Lab 4x Chorus 716 S, CC 700 S, 2x Chorus 706S; 2x 12s - Homebuilt Sub
    2CH: B&K PT3 s2, Anthem PVA-2, VonSchweikert VR-1
    Computer: Denon AVR 2805, Old Tecnic & Optimus Speakers
    2004 KTM 200 SX
    2003 Spyder
    2002 Single Cab, 3" cornfed lift, 34"LTB & 31" AT's
    ONLINE PHOTO ALBUM

  4. #4
    I took a headstart... basite's Avatar
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    maybe better indeed, then the signal will be converted by the receiver's dac, it should give better sound...
    Life is music!

    Mcintosh MA6400 Integrated
    Double Advent speakers
    Thiel CS2.3's
    *DIY Lenco L75 TT
    * SME 3012 S2
    * Rega RB-301
    *Denon DL-103 in midas body
    *Denon DL-304
    *Graham slee elevator EXP & revelation
    *Lehmann audio black cube SE
    Marantz CD5001 OSE
    MIT AVt 2 IC's
    Sonic link Black earth IC's
    Siltech MXT New york IC's
    Kimber 4VS speakercable
    Furutech powercord and plugs.

    I'm a happy 20 year old...

  5. #5
    Shostakovich fan Feanor's Avatar
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    Same for my old Technics CPD

    Quote Originally Posted by Rock789
    I've got an old pioneer cd changer which has a 1-BIT DLC DAC (I believe)
    it's a Pioneer PD-F906...
    I am running this into a B&K PT3 series II pre, Anthem PVA 2 amp, and running Von Schweikert VR1...
    I figure the Digital Analog convertor is the weak link, and will be shortly trying a denon 20bit DAC, but would you guys suggest a much better DAC or am I going in the wrong direction with this?
    also, any info on upgrading the Pioneer CD changer's output?

    thanks,
    Mike
    I have an old Technics player, circa 1991, that claims to have a 1 bit DAC. I once read a explaination of what that meant but I didn't really understand the details, and don't remember them now in any case.

    The old Technics was a huge improvement over the Yamaha I own previously, some model circa 1985, but today it sounds grainy and lacking in detail.

  6. #6
    Crackhead Extraordinaire Dusty Chalk's Avatar
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    1-bit DACs were all the rage in what seems like a lifetime ago, but at this point, it's ancient technology. Pretty much anything, even the Entech Number-Cruncher (for $50 at various online sites), will be better.
    Eschew fascism.
    Truth Will Out.
    Quote Originally Posted by stevef22
    you guys are crackheads.
    I remain,
    Peter aka Dusty Chalk

  7. #7
    I took a headstart... basite's Avatar
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    yeah, today it's all 24 bit 96 khz dac's, mucho better, more detail, more clarity, better buy one of these ($200 and up)
    Life is music!

    Mcintosh MA6400 Integrated
    Double Advent speakers
    Thiel CS2.3's
    *DIY Lenco L75 TT
    * SME 3012 S2
    * Rega RB-301
    *Denon DL-103 in midas body
    *Denon DL-304
    *Graham slee elevator EXP & revelation
    *Lehmann audio black cube SE
    Marantz CD5001 OSE
    MIT AVt 2 IC's
    Sonic link Black earth IC's
    Siltech MXT New york IC's
    Kimber 4VS speakercable
    Furutech powercord and plugs.

    I'm a happy 20 year old...

  8. #8
    Forum Regular
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    I think the one bit deal started with Harmon Kardon. I have one bit dlc in my cld-m90(Pioneer) laser disc player. I could not tell you how it worked but it supposed to be a better scheme to give better audio in the digital domain with CDs. If you have an optical output on your player with a receiver with optical inputs,just run it into your receiver.

  9. #9
    SuperPoser Rock789's Avatar
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    I have used this changer for a couple years with my denon receiver (using the optical out of the cd changer)...

    the cd changer has been moved to my bedroom system with a B&K PT3 s2, which does not have an optical input.

    if I do any upgrade here, it will be a DAC, and I do have a denon 20bit dac on the way but it has not yet arrived...

    if it is worth it, I will spend the money on a good 24bit dac sometime in the future, but not sure if it will be a huge difference?
    HT: Anthem AVM 50 / PVA-7; Focal JM Lab 4x Chorus 716 S, CC 700 S, 2x Chorus 706S; 2x 12s - Homebuilt Sub
    2CH: B&K PT3 s2, Anthem PVA-2, VonSchweikert VR-1
    Computer: Denon AVR 2805, Old Tecnic & Optimus Speakers
    2004 KTM 200 SX
    2003 Spyder
    2002 Single Cab, 3" cornfed lift, 34"LTB & 31" AT's
    ONLINE PHOTO ALBUM

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