AUDIO
NOTE
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Digital to Analogue Converters
DAC
1.1x/II
The DAC 1.1x/II digital to analogue converter uses Audio
Note™ 1Xoversampling™ and Direct From Disc™ techniques
which in our opinion has proven to be musically superior to
other over sampling methods. The kit uses the well proven
Crystal CS8412CP input receiver, and the DAC chip is the
Analog Devices dual 18bit AD1865. The tube output stage
uses a single ECC82 as a common cathode amplifier which
provides voltage gain to allow the DAC 1.1x/II to be used
with any active preamplifier and some passive
preamplifiers.
The DAC 1.1x/II is housed in a steel chassis finished in
black powder coating and a natural colour 5mm anodised
brushed aluminum face plate with a satin finish or black
acrylic panel with a piano lacquer
finish.
DAC 1.1x/II Signature
As
DAC One.1x with upgraded components, AN ½ watt tants, Black
Gate™ capacitors, Audio Note™ copper foil signal caps and
copper wired digital input transformer in powder coated
chassis with black acrylic or brushed aluminium front
panel. Anode follower no feedback (NFB) output stage. The
demultiplexing circuit makes this compatible with
24Bit/96KHz sources including DVD, computer
etc.
DAC
2.1x
Class
A operation.Zero Feedback. 6922 valve output stage.
De-emphasis output selectable. 3 inputs (2 BNC & 1
TOS). AD1865 D/A converter used.
Standard chassis converter, 24Bit/96KHz compatible, AD1865N
chip with digital filter free 1xoversampling™ direct from
disc™ technology with patented Audio Note™ I/V transformer
interface and Audio Note™ digital input transformer, 6DJ8
anode follower no feedback output stage.
DAC 2.1x Signature
DAC5 size chassis converter, 24Bit/96KHz compatible,
AD1865N chip with digital filter free 1xoversampling™
direct from disc™ technology plus patented Audio Note™ I/V
transformer interface, digital input transformer, 6DJ8
anode follower no feedback output stage. Black Gate™
capacitors, Audio Note tantalum resistors and Audio Note™
copper foil signal caps & better power supply with
separate mains transformer, choke and 6X5
rectifier.
DAC
4.1x Balanced
D/A converter. Selected AD1865N chip with 1xoversampling™
direct from disc™ technology with silver wired and patented
Audio Note™ I/V transformer interface and digital input
transformer. 2 x 5687 NOS double triodes coupled to a
custom made 5:1 Audio Note™ copper wired output transformer
with thin lamination HiB double C-cores with both XLR and .
High grade Black Gate™ capacitors and Audio Note™ tantalum
film resistors everywhere, separate digital and analogue
mains transformers and power supplies with 6X5 rectified
choke power supply.
DAC 4.1x Balanced Signature
As DAC4.1x Balanced in DAC5 chassis but with better I/V
interfaces and Audio Note™ silver wired filters, original
NOS Telefunken 6463 output stage with 5:1 step down double
C-core copper wired output transformers with balanced XLR
input and output and valve stabilised power supply with
choke filter and 6X5 HT rectifier.
DAC 5 Special
Level 5 super DAC, new copper wired Audio Note™ “magic” I/V
transformer interfaces, 1xoversampling™ direct from disc™
technology based on the AD1865N, dual mono power supplies
to powerful analogue output stage with NOS 6463 dual
triodes coupled with copper wired output transformer on
0.1mm AN-Perma 50 double C-cores providing 600R balanced
outputs with XLR in addition to the two single-ended silver
plated RCA outputs.
DAC 5 Signature
The ultimate Level 5 converter, silver wired everywhere
including the custom Audio Note™ silver wired output
transformer on 0.1 AN-Perma 50 double C-cores, silver wired
I/V interface matching transformers, Audio Note™ carbon
film resistors, Black Gate™ WKz, N and Nx type capacitors
in all critical places