—Stu McCreary, Positive-Feedback 2020 Writer’s Choice Award 

Monoblock VTV Amplifier with Purifi-Audio 1ET6525SA module and VTV Custom Vacuum Tube Buffer

Designed by Andrew Sparks of Sparkos Labs, the VTV Vacuum Tube Buffer features a direct coupled dual triode driving a four transistor Wilson current mirror.  The output of the current mirror feeds an I to V converter stage featuring the Sparkos 3602 dual discrete opamp as standard.   The board is compatible with almost any dual (or two single) opamps. 

Now shipping with our Gen 2 vacuum tube buffer which offers stability over wider range of tubes.

ASSEMBLED IN THE USA — 30 Day Trial

This is a brand new amplifier featuring:

—Vacuum Tube Buffer using 6922 vacuum tube….rich sound and full sound that delivers warm tube sonics.

—Hypex SMPS1200A400 power supply (this is the power supply used by Purifi to demo their modules)

—fully balanced design

—EMI/RFI filtered AC inlet

—MOGAMI input wiring standard

—Heavy, custom designed aluminum case with blue LED pilot.  (LED may be dimmed or shut-off by switch)

—Silver-coated speaker output wiring with TFE jacket

—2 Year Warranty

–12.25″W x 13″D (not including speaker posts) x 4.25″H  W:14 lbs