Grand Veteran
Location: Happy Cheshire
Posts: 675
I'm Duncan.
24bit 192khz upsampling tube dac
latest project, this time in 5mm clear acrylic with white oak sides.
12mm clear/transparent blue front panel.
Digital receiver – CS8416
Digital converter – CS4398
Up sampling chip – CS8421
USB IC - PCM2902
Digital input – 1x coaxial, 1x optical, 1xUSB
VVT Transformer, Toroidal transforme
Tube rectification with Ez81
Obligato Film Caps
AmpOhm Paper in oil coupling caps
Kiwame resistors through out
6N3P-DR military spec double triodes
Site Owner/Administrator
Location: Wrexham, North Wales, UK
Posts: 110,012
I'm AudioAl'sArbiterForPISHANTO.
Oh mammy, daddy... That's wet yer panties stuff, mate - looks seriously lush!
So....the key question: how does it compare to your copper DAC?
Marco.
Main System
Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.
Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.
Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.
CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.
Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.
Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.
Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.
Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.
Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.
Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!
Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!
Senior Member
Location: Hadrians Wall
Posts: 313
Serious, beautiful bling.
I think I'm in lurve . . .
ELP Fanboy
Location: Yorks
Posts: 16,643
I'm Nobody.
Duncan:
who do you get to make the Acrylic to size, everyone i've used always make a cock up of the edge polishing?
Grand Veteran
Location: Happy Cheshire
Posts: 675
I'm Duncan.
i do all my cases myself, as you have total control
ELP Fanboy
Location: Yorks
Posts: 16,643
I'm Nobody.
Originally Posted by tubehunter
How do you flawlessly diamond polish the edges then?
Grand Veteran
Location: Happy Cheshire
Posts: 675
I'm Duncan.
Start of with cutting to size on the Bandsaw then two grades of files.
Next 240 then 400 then 1200 grades wet & dry and finally Basso gets you there.
Time consuming but satisfying when finished.
Site Owner/Administrator
Location: Wrexham, North Wales, UK
Posts: 110,012
I'm AudioAl'sArbiterForPISHANTO.
Just a brief description; I'm not looking for an 'epistle'So....the key question: how does it compare to your copper DAC?
Marco.
Main System
Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.
Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.
Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.
CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.
Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.
Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.
Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.
Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.
Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.
Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!
Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!
Grand Veteran
Location: Happy Cheshire
Posts: 675
I'm Duncan.
interesting
give it a chance, it was only born 30 minutes ago!
Don McCorleone
Location: Galashiels
Posts: 13,701
I'm inthescottishmafia.
That looks the business Duncan.Very nice!
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