A 30 Year Old Tube DAC Vs a Modern $1K SMSL D400 EX!

Review of the SMSL D400 EX DAC. I compare it to a Topping D70s and a 30+ year old, California Audio Labs Sigma Tube DAC. SMSL D400 EX DAC Affilate link: https://apos.audio/products/smsl-d400... Orchard Audio Pecan Pi+ review:    • Streamers: Orchard Audio Pecan Pi+ & Volum...   Support MODAC through Patreon:   / myowndevices