Universal Audio ASTRA User manual

10004237R5
User Guide
v210203

MONO OUT
Connect TS cable to amp or
other gear for mono operation
STEREO OUT
Connect TS cable for stereo only
(in addition to MONO output)
9VDC POWER IN
Connect 400 mA isolated power
supply (sold separately)
MONO IN
Connect TS cable from guitar or
other gear for mono operation
USB TYPE-C
Connect to computer
for firmware updates
STEREO IN
Connect TS cable for stereo only
(in addition to MONO input)
SPEED DEPTH INTENSITY
SHADE SHAPE MODE
CHORUS BRIGADE
FLANGER DBLR
TREM 65
A
B
ON PRESET
STORE
STORE
Hold down to save current
settings as stored preset
PRESET LED
Lit when stored
settings are active
MODE
Switches the modulation
configuration
Chorus Brigade (stereo only):
Classic/Dual
Flanger Dblr: Normal/Invert
Trem 65: Dual mono/stereo
panned
Phaser X90: Dual mono/180º
stereo offset
Dharma Trem 61:
Dual mono/LFO stereo phase
EFFECT MODE
Selects variations within
the active effect
Chorus Brigade: Chorus/Vibrato
Flanger Dblr: Flanger/Doubler
Trem 65: Sine/Square
Phaser X90: Script/Block
Dharma Trem 61:
Classic/Vibe-y
INTENSITY
Adjusts the modulation character
Chorus Brigade: Intensity
(mode A only)
Flanger Dblr: Feedback
Trem 65: LFO Shape
Phaser X90: N/A
Dharma Trem 61: Crossover
DEPTH
Adjusts the modulation amount
PRESET SWITCH
Press to toggle effect
on/off with stored settings
ON LED
Lit when knob
settings are active
SHADE
Adjusts the modulation character
Chorus Brigade:
Output level - noon unity gain
Flanger Dblr:
Wet/dry mix - noon max flange
Trem 65:
Input drive - noon unity gain
Phaser X90:
Input drive - noon stock level
Dharma Trem 61:
Dynamic speed threshold
SHAPE
Adjusts the modulation character
Chorus Brigade: N/A
Flanger Dblr: Manual sweep
Trem 65: N/A
Phaser X90: N/A
Dharma Trem 61:
Dynamic speed amount
EFFECT TYPE
Push up or down to cycle
through modulation types
SPEED
Adjusts the modulation rate
ON SWITCH
Press to toggle effect
on/off with knob settings
You r a ur al a bs tr ac ti on s, f ro m su bt le t o bo ld , req ui re t oo ls o f li mi tl es s
expression. Astra arrives to reveal a universe of resplendent analog
warble. Built upon the pioneering bucket-brigade chorus, studio-standard
flanger/doubler, and definitive tube-driven tremolo, Astra has your colors.
Now go forth, and paint your masterpiece.
Get More Free Phaser X90 and Dharma Trem 61 effects, full
documentation, and help: uaudio.com/guitar/start
Power Supply Isolated 9VDC, center-negative, 400 mA minimum,
2.1x5.5 mm barrel connector (sold separately)
1/MONO 9VDC
USB
2/STEREO 2/STEREO
PAIR
IN
1/MONO

www.uaudio.com
Caution: To help maintain the safety of your product, the chosen power supply must be a certified power supply complying with
Limited Power Source (LPS) requirements with the following characteristics and electrical ratings: Isolated 9VDC, center-negative,
400 mA minimum, 2.1x5.5 mm barrel connector. Additional details at help.uaudio.com.
Before using this unit, be sure to carefully read the applicable items of these operating instructions and the safety suggestions.
Afterwards, keep them handy for future reference. Take special care to follow the warnings indicated on the unit, as well as in the
operating instructions.
• Read the instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
• Do not install near any heat source such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that
produce heat.
• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than
the other.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where
they exit from the apparatus.
• Only use with attachments/accessories specified by the manufacturer.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such
as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate normally, or has been dropped.
• Astra Modulation Machine does not contain a fuse or any other user-replaceable parts.
• A compliance marking label is provided on bottom of the unit.
Uniited States Class B Manual Statement
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Japanese Class B Manual Statement
この装置は、クラスＢ機器です。この装置は、住宅環境で使用することを目的としています
が、この装置がラジオやテレビジョン受信機に近接して使用されると、受信障害を引き起こ
すことがあります。取扱説明書に従って正しい取り扱いをして下さい。VCCI-B
This is Class B equipment. Although this equipment is intended for use in residential environment, it could cause poor reception
if used near a radio television receiver. Please follow instructions in the instruction manual.
Korea KCC: 해당 무선설비는 전파혼신 가능성이 있으므로 인명안전과 관련된 서비스는 할 수 없습니다.
License exempt. This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following
two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Used electrical and electronic equipment should not be mixed with general household waste. Please dispose in accordance with
local regulations.
•IEC 62368-1
• FCC ID: 2AXKQ2029
• IC ID: 26610-2029
Important Safety Information