Features Summary
Inputs/Outputs
• S/PDIF (75 Ohm) and toslink optical
• 16 bit, 44.1 to 96KHz
• SPDIF RCA input WBT silver nextgen
socket.
• Analogue single-ended RCA outputs. WBT
silver nextgen sockets.
• Analogue balanced XLR outputs. Gold-plated
Neutrik XLR sockets.
Rear panel
• Analogue and digital input and output
sockets mounted on isolated sub-chassis
panels.
Internal digital input topology
• SPDIF
• Silver-plated copper co-ax feed.
• HiRez acoustic absorption module with
full RFI/EMI absorption.
D to A engine
• Digital interface DIR 9001.
• DAC TDA 1543 (current output).
• Non-oversampled.
• No digital noise shaping.
• No output filtering.
• Passive output current-to-voltage conversion
(I to V) across Vishay non-inductive thick film
resistors (matched pair).
• TDA 1543 reference voltage set by Vishay
non-inductive thick film resistor.
• Decoupling capacitors are Sanyo Os-Con.
• All significant components fitted with direct
coupled acoustic absorption.
• Housed in poly box with EMI/RFI absorptive
lining.
Analogue output topology
• Output wiring is solid-core silver with
unbleached cotton insulation.
• Output capacitors are 4.7uF Mundorf MCap
Supreme metallised polypropylene silver/
gold/oil (99% silver/1% gold), with dual
induction-free windings.
• Dual acoustic absorption modules on output
lines with full RFI/EMI absorption. Output
capacitors and XLR circuitry within. All
mounted directly on acoustic absorption
labyrinth.
Mains
• Furutech rhodium plated IEC inlet.
• hi-fi tuning mains fuse. 500mA slow-blow,
internally mounted.
• Internal mains wiring fitted with acoustic and
EMI/RFI absorption module.
• Input mains shunt filtered with high
performance passive filter (HiRez Jaya).
• 100VA toroid transformer module.
• Transformer housed in compliantly
mounted poly box with EMI/RFI
absorptive lining.
• Power consumption - less than 20W.
Power supplies
• Input mains wiring is silver-plated OFC.
• All ac and dc wiring downstream of
transformer is solid-core silver with EMI
absorptive tubing.
• Pre-regulation.
• Input 15Vac, output regulated 13Vdc
• Housed in compliant mounted poly box
with EMI/RFI absorptive lining.
• Ultra high-speed discreet component
regulator with extensive surface-mount
components and Panasonic FC and
Sanyo Os-Con capacitors.
• All components fitted with direct-coupled
acoustic absorption.
• Second-stage regulation.
• Ultra high-speed discreet voltage
regulators with extensive surface-mount
components, Panasonic FC and Sanyo
Os-Con capacitors.
• Three shunt regulators for digital
sections
• One series regulator for analogue
section.
• All components fitted with direct-coupled
acoustic absorption and EMI treatment.
• Pre-regulator and second stage
regulators are all Paul Hynes Design
modules, heavily modified by Vertex AQ.
Aletheia dac-1
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