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Details about  PCB Gold NOS NDF DAC CS8412-CP + TDA1543 Assembled and tested

PCB Gold NOS NDF DAC CS8412-CP + TDA1543 Assembled and tested

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NOS Russian tubes

Item information

Item condition:
New
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1 available / 21 sold
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Price:
US $149.00
Approximately EUR 120.21(including postage)
 
 
Postage:
US $12.00 (approx. EUR 9.68) Standard Int'l Shipping | See details
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Item location:
Moscow, Russian Federation
 
Posts to:
Worldwide
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International postage and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
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3 days money back, buyer pays return postage See details
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eBay item number:
130674584841
Seller assumes all responsibility for this listing.
Last updated on  27 Sep, 2014 12:09:39 BST  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
 

NOS Russian tubes

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Digital to analog converter CS8412-CP + TDA1543
Non OverSampling (NOS), Non Digital Filtering (NDF)

Assembled and tested printed circuit board with the immersion gold plating the entire area of the conductors

Discerning music lovers know that sound of audio system depends absolutely on all components, ranging from wire to the power supply. Many audiophiles have perfected the sound of their tube audio system by listening to the selection of components and by using the technical parameters only as a supporting data. The only components that can not be upgraded are digital-analog converters, because they contain printed circuit board with the electronic components.

The proposed converter is different from the ordinary one in that it contains components that sound good for audiophiles. It has Takman resistors, the capacitors Nichicon Muse, Wima and output vintage 50s capacitors Siemens. There are also legendary chips CS8412-CP and TDA1543 that work without using negative feed back of stabilizers. This technical simplification improves musicality of the sound. The chips are inserted into sockets with gold plated contacts.
All of those premium components are handwork installation on the PC board.

The PCB is different from ordinary PCB in follow:
- it is one-sided and has no metalized holes which blur the sound,
- It is not covered with varnish or painted. Paints and varnishes makes the sound unnatural and synthetic,
- there is no common bus, which occupies all available space and makes the sound muddy,
- all wires of printed circuit board are plated with gold 0.9999 (99.99%, 24K) which makes sound warm and natural.

Thanks to these unprecedented measures, the sound of converter is superior to the most of devices at a price of thousands dollars and the inscription on the board that says "Hipnosis" is quite appropriate.

Power supply
You can use any power supply, including batteries and accumulators with a voltage of 6.0V <6.5V <7.0V
XP3
Pin 8: +6.5 V
Pin 7: -6.5 V (common bus, GND)

Analog first output
The output voltage of 0.7 M RMS when connecting a digital signal corresponding to 0 dB
The first output OR1/OL1 is for connecting to a tube amp that has high input impedance 300k Ohms - 500k Ohms and sensitivity of 300 mV.
XP3
Pin 6: Out R1
Pin 5: Common bus, GND
Pin 4: Out L1

Analog second output
The output voltage of 0.7 M RMS when connecting a digital signal corresponding to 0 dB
The second output OR2/OL2 is for an upgrade. You can connect Up Transformer through a capacitor 10 uF. For example Sowter 4383 or equivalent. In this case you can use an amplifier with an input impedance of 47k ohms and a sensitivity of 1V.
XP3
Pin 3: Out R2
Pin 2: Common bus (GND)
Pin 1: Out L2

S/PDIF digital coaxial input
XP1
Connect standard RCA connector female with two wires to the contacts 1 and 2. Polarity is not important and is determined at the hearing.



Assembled and tested PCB with the immersion gold plating the entire area of ​​the conductors


You can connect an external clock. Just move the SW1 jumper to the upper position



Digital Transformer with windings of old wire



Output vintage 50s capacitors Siemens



The inscription "Hipnosis"



The entire area of conductors is plated with gold 0.9999


Resistors Takman and capacitors Nichikon Muse



The size of the board in mm 160 x 70



1000 Hz @ 0 dB sine wave looks perfect


See my other items!
I will combine shipping on multiple auctions

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12211
Seller assumes all responsibility for this listing.

Postage and packaging

Item location: Moscow, Russian Federation
Postage to: Worldwide
Domestic dispatch time
Estimated VAT
Seller charges VAT for items sent to: CA*(8.75%).
*VAT applies to subtotal + P&P for these territories only

Returns policy

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Refund will be given as
3 days
Money back
The buyer is responsible for return postage costs.
Returns policy details
Returns accepted
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