SWR Sound PR 644 User Manual
Page 2
A PRODUCT OF:
SWR MUSICAL INSTRUMENTS CORPORATION
CORONA, CALIFORNIA USA
SWR® and RU-N2N™ are trademarks of FMIC.
Other trademarks are property of their respective owners.
© 2007 FMIC. All rights reserved.
REV. A
Specifications
Important Safety Instructions
TYPE:
PR 644
PART NUMBER:
4485000000 (120V, 60Hz) USA
SCALE:
12 note equal temperament
RANGE:
A0 (27.5Hz)–B7 (3951.06Hz)
PRECISION:
±1 cent
CALIBRATION RANGE:
438Hz–455Hz, 1Hz steps (A4 440Hz default)
POWER CONSUMPTION:
27W
FUSE:
100V–120V models: T250mAL
220V–240V models: T150mAL
DIMENSIONS:
Height: 44mm
Width: 483mm
Depth: 190mm
WEIGHT:
2.5kg
Product specifications are subject to change without notice.
This symbol warns the user of dangerous voltage levels localized within the
enclosure.
This symbol advises the user to read all accompanying literature for safe
operation of the unit.
∆ Read, retain, and follow all instructions. Heed all warnings.
∆ CAUTION: No user serviceable parts inside, refer servicing to qualified personnel only.
∆ WARNING: To prevent damage, fire or shock hazard, do not expose this unit to rain or
moisture.
∆ Do not drip nor splash liquids, nor place liquid filled containers on the unit.
∆ Hazardous voltages may be present within the cabinet even when the power switch is off
and the power cord is connected. Therefore, disconnect the power cord from the rear panel
power inlet before servicing. The power inlet must remain readily operable.
∆ This product should be located away from heat sources such as radiators, heat registers, or
other products that produce heat.
∆ This product should be serviced by qualified service personnel when: the power supply
cord or the plug has been damaged; or objects have fallen, or liquid has been spilled onto
the product; or the product has been exposed to rain; or the product does not appear to
operate normally or exhibits a marked change in performance; or the product has been
dropped, or the enclosure damaged.
∆ This product should only be used with a cart or stand that is recommended by the
manufacturer.
∆ Maintain at least 6 inches (15.25 cm)of unobstructed air space behind the unit to allow for
proper ventilation and cooling of the unit.
∆ This product may be equipped with a polarized plug (one blade wider than the other). This
is a safety feature. If you are unable to insert the plug into the outlet, contact an electrician
to replace your obsolete outlet. Do not defeat the safety purpose of this plug.
∆ Only connect the power supply cord to an earth grounded AC receptacle in accordance
with the voltage and frequency ratings listed under INPUT POWER on the rear panel of this
product.
∆ Protect the power supply cord from being pinched or abraded.
∆ The power supply cord of this product should be unplugged from the outlet when left
unused for a long period of time, or during electrical storms.
∆ Unplug the power supply cord before cleaning the unit exterior (use a damp cloth only).
Wait until the unit is completely dry before reconnecting it to power.
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