Woo Audio WA23 LUNA

Introduced in February 2022

Single-ended, all-tube design (not hybrid), Class A operation

Power tube: 2A3 x 2, driver tube: 6C45 x 2, rectifier tube: 5U4G x 1

Self-biasing amplifier

Headphone amp or preamplifier

Transformer-coupled, Point-to-Point wiring

User selectable HI / LO impedance and HI / LO level for headphone

User selectable output: pre-amp or headphone

ALPS RK50 potentiometer in a brass enclosure

Mundorf Supreme Silver/Gold capacitor for interstage coupling, one per channel (4pcs)

Mundorf MTube capacitors for voltage filter (3pcs)

Polytetrafluoroethylene (PTFE) tube sockets

Compatible headphones (8–600 Ohms)

Inputs: XLR x 1, RCA x 2

Outputs: preamplifier (Pre-out) XLR x 1, headphone outputs: 4-pin XLR and 6.3mm (1/4”).

Frequency response: 10Hz to 50KHz

Preamplifier voltage gain:

CNC machined aluminum chassis milled out of a solid block of aluminum in an anodized, sand-blasting finish

Color: black and gold

Operating AC voltage: 115v – 230v (voltage below 115v requires step up transformer)

Dimensions:

• AMP without tubes: 16” L x 10-5/8” W x 4” H (407mm x 270mm x 102mm)

• AMP with tubes installed 16” L x 10-5/8” W x 7” H (407mm x 270mm x 178mm)

• PSU: 7” L x 4-1/8” W x 3-1/4” H (178mm x 105mm x 83mm)

• 1.0m (3.5ft.) custom-made premium umbilical cord [custom length available]

Weight: 30 lbs / 13.6 KG

Power consumption: 150 watts

Designed and assembled in New York, USA

Three-year limited warranty