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LM-32DAC Vacuum Tube Audio DAC

Product Introduction

LM-32DAC is a high-end audio DAC that combines flagship decoding performance with warm tube tonality. Built around the premium ESS 9028Pro DAC chip and paired with XMOS asynchronous USB technology, it supports full-format high-resolution decoding up to 32bit/384kHz PCM and native DSD64/128/256, with five 

digital inputs including AES/EBU, BNC, USB, optical and coaxial for wide source compatibility.

It adopts an isolated dual-rail power architecture: an O-core transformer with high-speed low-noise rectification for the digital section, and an EI-core transformer 

with 6Z4 vacuum-tube rectification for the analog section, effectively eliminating crosstalk with clean, dedicated power delivery. With freely switchable tube and 

solid-state output modes, audiophile-grade op-amps and two 12AU7 tubes for tonal enrichment, it allows seamless shifting between precise resolution and rich 

musicality. Completed with a high-definition LCD display for clear status monitoring, it is an ideal decoding core for high-end audio systems.






Product Features

- ESS9028Pro DAC chip.

- XMOS asynchronously USB 192KHz.

- Sampling rate: 32bit 44.1KHz 48KHz 88.2KHz 96KHz 176.4KHz 192KHz 352 .8KHz 384KHz DSD64 DSD128 DSD256.

- Five sets of input selection: AES/EBU,BNC,USB,OPTICAL,COXIAL.

- Can choose from Vacuum tube and transistor output.

- LCD screen.

- O-core transformer for the digital rail and EI-core transformer for the analog rail, delivering clean, dedicated power to each section.

- High-speed digital rectification: Fast, low-noise rectifier architecture for greater precision and stability in the digital domain.

- 6Z4 vacuum-tube rectifier supplies the analog circuitry with a smoother, more natural energy flow.

- Employs audiophile-grade operational amplifiers for clarity, control, and low distortion.

- Two 12AU7 tubes shape a rich, musical presentation with dimensional tone and airy detail.




Specification

Tube Complement: ECC802S*2, 6Z4*1                              

Frequency response: 15Hz~50kHz               THD: Tube 0.5% Transistor 0.02%

Input Impedance: 75Ω                                   Output Impedance: Tube 2KΩ Transistor 600Ω          Power Consumption: 24W 

S/N Ratio: Tube92dB Transistor98Db

Net Weight: 6.7kg

Tube Complement: 32bit 44. 1KHz 48KHz 88.2KHz 96KHz 176.4KHz 192KHz 352 .8KHz 384KHz DSD64 DSD128 DSD256

 



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