
ANK DAC 5.1x Signature Edition – Reference Balanced Tube DAC by A.L.A Audio
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Product Details
ANK DAC 5.1x Signature Edition – Handcrafted Reference DAC
The ANK DAC 5.1x Signature is a statement in digital audio design, handcrafted in limited production to deliver the highest levels of resolution, soundstage, and musicality. Each unit is meticulously assembled and tested one at a time, ensuring exceptional build quality and a truly analog-like digital playback experience.
Building on the strengths of the acclaimed DAC 4.1 series, the DAC 5.1x Signature elevates every stage — from the power supply and I/V transformers to the line stage and output section — with premium Audio Note components, precision engineering, and robust design.
Experience the Sound
The DAC 5.1x Signature brings digital music to life with the warmth, depth, and dimensionality of a high-end phono stage. Expect natural tonal balance, a vast soundstage, and delicate resolution that reveals every nuance of your recordings. Designed for the finest audiophile systems, it offers a level of refinement few DACs can match.
Specifications
-
Output tubes: 12AU7 & ECC99*
-
Rectifier tube: 5U4G / WE 274B
-
Inputs (2 selectable):
-
75Ω RCA (S/PDIF)
-
110Ω AES/EBU (XLR) S/PDIF
-
USB (optional board)
-
-
Outputs: Single-ended RCA & balanced XLR
-
Output level: 2.0V RMS
-
Output impedance: 13Ω
-
Dimensions: 38.1 × 14.6 × 40.6 cm (W × H × D)
-
Weight: 14 kg
-
Chassis: 3mm black powder-coated aluminum
*Tube rolling guide available for ECC99 position
Parts Complement & Highlights
-
Dual mains transformers (HV & filament)
-
3 wide-band chokes
-
2 × Triple C-Core CC-410 output transformers (lugged, upgradeable with high-end silver wire)
-
2 × 40mm large-can I/V transformers
-
Dual toroidal digital transformer
-
Signature Digital PCB (pre-assembled) with Audio Note tantalum resistors and Charcroft PF caps
-
Audio Note Tantalum 1W resistors
-
Audio Note copper 0.22µF / 600V film capacitors
-
Elna Cerafine bypass capacitors (gain stage)
-
PTFE silver-plated hookup wire
-
Audio Note silver RCA connectors
-
Super regulation for digital circuitry
-
Analog output board with 12AU7 & ECC99 tubes
-
SPDIF / AES switchable (USB optional)
-
Sturdy PCBs with 2oz copper trace, heavy grounding, and HT traces
Upgrade & Modification Paths
The DAC 5.1x Signature is already a world-class digital-to-analog converter, but A.L.A Audio also offers custom modification paths for those seeking the absolute edge in performance:
-
Option 1: Upgraded coupling capacitors and output transformers (Quad Core upgrade + Duelund copper foil caps)
-
Option 2: Advanced parts upgrades – please contact us for details
- Option 3: Full bespoke modification package – contact us to discuss tailored enhancements. At A.L.A Audio, we have built a number of fully customised, cost-no-object builds for our customers and can provide images and detailed specifications to showcase what’s possible at the ultimate level.
📌 Built by A.L.A Audio, the official builder and distributor of ANK Kits in Australia.
📌 Each DAC 5.1x Signature is fully assembled, tested, and ready to perform in the most demanding high-end audio systems.
Warranty – Audiophile Store
All products purchased from Audiophile Store are covered under a Local Australian Warranty. This warranty includes:Repair, Replacement, or Refund: If a product is found to be faulty, we will either repair or replace it. If neither option is available, a full refund will be provided.In Addition to Manufacturer's Warranty: Our warranty is offered in addition to any warranty provided by the manufacturer.Australian Consumer Law Compliance: Your purchase is protected under the Australian Consumer Guarantee (ACCC).Locally Managed: All warranty returns and repairs are handled within Australia through local repair centres for faster service and peace of mind.Ongoing Support: We offer customer support for the lifetime of the product. Feel free to contact us anytime with questions or concerns.
Product Details
ANK DAC 5.1x Signature Edition – Handcrafted Reference DAC
The ANK DAC 5.1x Signature is a statement in digital audio design, handcrafted in limited production to deliver the highest levels of resolution, soundstage, and musicality. Each unit is meticulously assembled and tested one at a time, ensuring exceptional build quality and a truly analog-like digital playback experience.
Building on the strengths of the acclaimed DAC 4.1 series, the DAC 5.1x Signature elevates every stage — from the power supply and I/V transformers to the line stage and output section — with premium Audio Note components, precision engineering, and robust design.
Experience the Sound
The DAC 5.1x Signature brings digital music to life with the warmth, depth, and dimensionality of a high-end phono stage. Expect natural tonal balance, a vast soundstage, and delicate resolution that reveals every nuance of your recordings. Designed for the finest audiophile systems, it offers a level of refinement few DACs can match.
Specifications
-
Output tubes: 12AU7 & ECC99*
-
Rectifier tube: 5U4G / WE 274B
-
Inputs (2 selectable):
-
75Ω RCA (S/PDIF)
-
110Ω AES/EBU (XLR) S/PDIF
-
USB (optional board)
-
-
Outputs: Single-ended RCA & balanced XLR
-
Output level: 2.0V RMS
-
Output impedance: 13Ω
-
Dimensions: 38.1 × 14.6 × 40.6 cm (W × H × D)
-
Weight: 14 kg
-
Chassis: 3mm black powder-coated aluminum
*Tube rolling guide available for ECC99 position
Parts Complement & Highlights
-
Dual mains transformers (HV & filament)
-
3 wide-band chokes
-
2 × Triple C-Core CC-410 output transformers (lugged, upgradeable with high-end silver wire)
-
2 × 40mm large-can I/V transformers
-
Dual toroidal digital transformer
-
Signature Digital PCB (pre-assembled) with Audio Note tantalum resistors and Charcroft PF caps
-
Audio Note Tantalum 1W resistors
-
Audio Note copper 0.22µF / 600V film capacitors
-
Elna Cerafine bypass capacitors (gain stage)
-
PTFE silver-plated hookup wire
-
Audio Note silver RCA connectors
-
Super regulation for digital circuitry
-
Analog output board with 12AU7 & ECC99 tubes
-
SPDIF / AES switchable (USB optional)
-
Sturdy PCBs with 2oz copper trace, heavy grounding, and HT traces
Upgrade & Modification Paths
The DAC 5.1x Signature is already a world-class digital-to-analog converter, but A.L.A Audio also offers custom modification paths for those seeking the absolute edge in performance:
-
Option 1: Upgraded coupling capacitors and output transformers (Quad Core upgrade + Duelund copper foil caps)
-
Option 2: Advanced parts upgrades – please contact us for details
- Option 3: Full bespoke modification package – contact us to discuss tailored enhancements. At A.L.A Audio, we have built a number of fully customised, cost-no-object builds for our customers and can provide images and detailed specifications to showcase what’s possible at the ultimate level.
📌 Built by A.L.A Audio, the official builder and distributor of ANK Kits in Australia.
📌 Each DAC 5.1x Signature is fully assembled, tested, and ready to perform in the most demanding high-end audio systems.
Warranty – Audiophile Store
All products purchased from Audiophile Store are covered under a Local Australian Warranty. This warranty includes:Repair, Replacement, or Refund: If a product is found to be faulty, we will either repair or replace it. If neither option is available, a full refund will be provided.In Addition to Manufacturer's Warranty: Our warranty is offered in addition to any warranty provided by the manufacturer.Australian Consumer Law Compliance: Your purchase is protected under the Australian Consumer Guarantee (ACCC).Locally Managed: All warranty returns and repairs are handled within Australia through local repair centres for faster service and peace of mind.Ongoing Support: We offer customer support for the lifetime of the product. Feel free to contact us anytime with questions or concerns.

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