Woo Audio WA23 LUNA User manual

WA23 LUNA
Quick Start Guide
© 2022 WOO AUDIO NEW YORK INC. V 1.0. Sept 2022.
In the box:
1
2
4
3
5
2A3 2A3 5U4G
6C45 6C45
Vacuum Tubes Installation
Install tubes below. Be sure to align tube pins to the tube socket
alignment indicators
Tube socket alignment indicators
2A3 power tube x 2
6C45 driver tube x 2
2A3 6C45 5U4G 6C45 2A3
Thick pins
Thin pins
Opening
5U4G rectifier x1
Guide pin
1.
2.
3.
6
1
2
3
4
5
6
WA23 External Power Supply x1
Umbilical cord x1
Complete set of vacuum tubes:
2A3 (power) x 2, 5U4G/5U3C (rectifier) x 1, 6C45 (driver) x 2
RCA jack grounding caps (pre-installed on CH 2 input)*
*Must be installed when RCA input is not use.
Quick start guide x1
WA23 LUNA Headphone Amplifier/Preamplifier x1
Visit website for specication
wooaudio.com/ampliers/wa23-luna
Note: AC power and audio cables are not supplied
WARNING: Disconnect from AC power
before installing or removing the tubes.
Have question?
email: [e-mail]
or call: [phone]
Watch product videos here:

* These steps are identical for the Amp and PSU. Both units must be connected prior use.
Connecting umbilical cord
Alignment dots
Amp / PSU
power socket
Plug ring
Plug sleeve
1. Hold the plug sleeve.
2. Align the socket and plug by aligning the two red dots.
3. Insert plug gently into the socket. You should hear a
clicking sound when the plug is securely in place.
* Never turn the plug ring. It moves backward and forward
Disconnecting umbilical cord
1. Grip the plug ring.
2. Pull awey from the socket. The ring should
retract and release from the socket.
Do NOT transport amplifier with umbilical cord attached.
Disconnect and pack umbilical cord separately.
FRONT
4-pin XLR
Headphone Output
Output Mode
Pre-amp / Headphone
Impedance Mode
High / Low
Power
ON / OFF
Volume control
Output level
High / Low
Input Selection
1 / 2 / 3
1/4”
Headphone Output
BACK
RCA
input
1
2
RCA input
(RCA shorting caps
pre-installed)
XLR
Input
3
Umbilical cord
connector Fuse compartment
AC Power
cord inlet
XLR preamp output
(XLR to RCA adapter
can be used,
sold separately)
Umbilical cord
connector
AC 115V / 220V

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 headphoneUser 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”).Outputs: preamplifier (Pre-out) XLR x 1, headphone outputs: 4-pin XLR and 6.3mm (1/4”).
Frequency response: 10Hz to 50KHz
CNC machined aluminum chassis milled out of a solid block of aluminum in an anodized, sand-blasting finish
Color: black and gold
External power supply unit, Voltage: AC 100 - 120V 60HZ or AC220 - 240V, 50HZ, voltage built to destination country
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)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)
Weight: 30 lbs / 13.6 KG
Power consumption: 160 watts
Designed and assembled in New York, USA
Three-year limited warranty [learn more]
Highlights