Analog/Digital String Instruments
OWNER'S MANUAL
CROSS-OVER SERIES BASS
MODEL XB-306 6-string
Wasserman Signature
TABLE OF CONTENTS
INTRODUCTION ..........................................................................................................................................................3
PERFORMANCE APPLICATIONS...........................................................................................................................3
CONTROL FUNCTIONS.............................................................................................................................................3
PICKUP SYSTEM..........................................................................................................................................................3
TELESCOPING ENDPIN AND UPPER BOUT GUIDE...........................................................................................4
TRIPOD MOUNTING SYSTEM .................................................................................................................................4
LIGHTWEIGHT TUNERS ............................................................................................................................................4
STRINGS ........................................................................................................................................................................4
INSTRUMENT CARE...................................................................................................................................................5
BRIDGE ADJUSTMENTS ...........................................................................................................................................5
TRUSS ROD...................................................................................................................................................................5
BATTERY.......................................................................................................................................................................5
TROUBLESHOOTING.................................................................................................................................................6
LIMITED WARRANTY................................................................................................................................................7
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Owner's Manual
3
INTRODUCTION
Congratulations on your purchase of the Rob Wasserman Signature 6-string Cross-Over
Bass. Zeta’s Cross-Over Series instruments are designed to give the bass player the
ability to successfully produce the sound of an acoustic bass whether playing in a
strapped-on bass guitar position, or when played in an upright position on the endpin or
tripod stand. The Cross-Over is made from lightweight alder tonewoods and is designed
to be comfortable to play with the ergonomic chest brace. To properly maintain and
familiarize yourself with your instrument, please read this owner's manual completely.
Please Note: Keep this manual in a safe location for future reference.
warranty card.
PERFORMANCE APPLICATIONS
The Cross-Over™ Bass provides the best of both worlds – the smooth sound of a
fretless bass guitar, and the easily accessible feel of an upright bass. To play as a bass
guitar, simply place a standard guitar strap on the strap pins on the back of the Cross-
Over™ Bass. Upright style playing can be accomplished on either the Telescoping
Endpin or the ZOS-5 Tripod Stand. The arched fingerboard of the Cross-Over™ Bass
allows for both pizzicato style playing (with your fingers), as well as arco style playing
(with a bow – in this case, a cello bow works best).
CONTROL FUNCTIONS
VOLUME KNOB Controls the volume of the instrument signal output. This knob
is located closest to the bridge, near the center of the
instrument.
TREBLE
BASS
This is a 12dB treble boost/cut, located in the center position of
the three controls.
This is a 12dB bass boost/cut, located closest to the edge of the
instrument.
LINE OUT
A powered balanced ¼” mono-output jack. The volume knob
determines the output level of this jack. Use a standard "guitar"
¼” cord.
PICKUP SYSTEM
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Owner's Manual
The heart of your instrument is Zeta’s patented StradosÔ bridge pickup. Under each
string are special piezo pickups positioned to maximize tone and signal while rejecting
feedback. The Cross-Over’s StradosÔ pickup projects warmth and clarity at any
volume. The pickup has a full-frequency response of 20-20Khz. The pickup’s audio
signals are processed through an active preamp system internally mounted within the
instrument..
TELESCOPING ENDPIN AND UPPER BOUT GUIDE
These accessories convert the Cross-Over so that it can be played in an upright
position. Simply insert the telescoping endpin into the base of the instrument and turn it
clockwise until the screw threads engage and hold it in position. The upper bout guide
is screwed in place with the two thumb screws onto the upper back of the instrument,
and features thumb screws for adjusting the playing angle of the Cross-Over. The
upper bout guide is designed to simulate the contours of an acoustic upright bass, and
provides support of the bass by leaning against the player's midsection.
TRIPOD MOUNTING SYSTEM
The optional ZOS-5 Tripod Stand mounts in the lower body cavity, just as the
Telescoping Endpin. While the instrument is mounted on the ZOS-5 Tripod Stand,
please be certain that the tripod feet are fully expanded as the instrument could be
accidentally knocked over.
LIGHTWEIGHT TUNERS
Gotoh lightweight tuning machines are designed to hold the strings at pitch for long
periods of time without needing readjustment. Gotoh lightweight tuning machines have a
20:1 tuning ratio.
STRINGS
Please note: For optimum instrument performance, strings should be changed at least
once every month.
Factory Supplied Strings:
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ZETA XBS-6 CrossOver Bass Strings, High Finish Ribbon Wound, Soft Gauge, Long
Scale (34"):
C: 0.82mm/0.32 inch
A: 2.03mm/.080 inch
G: 1.14mm/.045 inch
E: 2.54mm/.100 inch
D: 1.65mm/.065 inch
B: 3.35mm/.132 inch
ZETA strings are available at your Authorized ZETA Dealer. ZETA strings are
manufactured in collaboration with the D'Addario String Company.
INSTRUMENT CARE
CLEANING. Do not clean your instrument with chemical solvents such as benzene or
alcohol. Wipe only with a clean dry cloth or use a high quality non-abrasive instrument
polish.
SET UP. ZETA recommends that you have your neck adjusted seasonally by a
qualified instrument repair person or luthier, or at your local Authorized ZETA Dealer.
BRIDGE ADJUSTMENTS
There are two thumb screws beneath the bridge. The bridge may be raised or lowered
on both sides to accommodate your playing style. It is recommended that the strings be
slightly loosened before making any adjustments. Do not use pliers on the thumbscrews
as the instrument's finish and screws may be damaged. Also, intonation may be adjusted
by changing the angle at which the bridge meets the strings.
TRUSS ROD
The truss rod is located where the neck meets the body, and is recessed inside of the
neck. An allen wrench extension may be necessary to adjust the truss rod on some
models of Cross-Over™ Bass. Turning the truss rod clockwise adds tension and up-
bow to your neck; turning the truss rod counter-clockwise relieves tension and adds
down-bow to your neck. We recommend that you have your neck adjusted seasonally
by a qualified instrument repair person or luthier, or at your local Authorized ZETA
Dealer.
BATTERY
This instrument contains quiet pre-amplified electronics within the compartment on the
back of the instrument. A 9-volt battery powers the circuitry and should be changed
after 1,000 hours of playing use. Plugging in the ¼" cable activates the preamp. When
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Owner's Manual
the instrument is not in use (overnight), unplug the amplifier cord from the ¼" jack so
that the battery is not being discharged.
TROUBLESHOOTING
Don’t Panic!
No Output
1. Try increasing volume.
2. Try using a different ¼" cable.
3. Try replacing the internal 9-volt battery with a fresh one.
String(s) Dead or Low Level Output
1. Check to see if the string is sitting properly on the bridge.
2. Check to ensure that the steel ball at the end of the string is in good contact with the
tailpiece. If necessary, scrape away any thread winding on the string that may be
preventing a clean metal-to-metal contact.
3. Try replacing the internal 9-volt battery with a fresh one.
Hum, Hiss or Distortion
1. Try using a different ¼" cable.
2. Your amplifier may not be properly grounded. If your amplifier has a "ground
reverse" or "ground lift" switch, try changing it's position.
RETURNING UNITS FOR SERVICE
If your unit requires service, please follow these steps:
1. Contact your authorized Zeta Dealer for a Return Authorization (RA) number.
2. Pack the unit in its original carton with packing materials.
3. Please include a note with the following information:
a. A brief explanation of the problem you are experiencing.
b. Your full contact information: Full name, street address, city, state, zip,
country (if not USA), phone number(s), and email address.
c. Copy of your original purchase receipt.
3. Write the RA number on the outside of the shipping container. Shipments sent to
ZETA without an RA number are refused.
4. Ship via UPS, Federal Express, or US. Postal Service. You will be responsible to
pay the freight to and from the ZETA factory. (We also recommend that you insure
the unit.)
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5. If the unit is under warranty, ZETA will perform the servicing at no charge. Be sure to
send a copy of your original purchase invoice for proof of warranty coverage.
6. If the unit is not under warranty, ZETA will bill you for the servicing and return
shipping charges. We require payment in advance or cash on delivery (COD) for
these charges.
LIMITED WARRANTY
All ZETA products carry a two year limited warranty for parts and labor. ZETA will
replace defective parts and make necessary repairs at no charge if factory inspection
reveals faulty workmanship or material. This warranty does not cover strings, batteries,
and finishes. This warranty does not cover damage due to misuse, accident or neglect.
ZETA retains the exclusive right to make such determination on the basis of factory
inspection. ZETA shall not be liable, under any circumstances, for damage based upon
inconvenience, loss of use of the unit, loss of time, interrupted operation or commercial
loss, or any other damages, whether incidental, consequential or otherwise, except
damages which may not be excluded under applicable law.
Products returned to the factory must first receive authorization from ZETA and
must be shipped prepaid. The Return Authorization (RA) number must be printed on the
outside of the container or shipment will not be accepted by ZETA. The RA number will
be valid for 30 days. This warranty remains valid only if repairs are performed by ZETA,
and provided that the serial number on the unit has not been defaced or removed.
This warranty is expressly in lieu of all other warranties either expressed or implied.
ZETA MUSIC SYSTEMS, INC.
2230 Livingston Street • Oakland, California 94606
510.261.1702 • Fax: 510.261.1708
© 2000 ZETA Music
Specifications
GENERAL
Case:
Padded hard case
6-string: 8 lbs 8 oz
34"
Weight:
String length:
BODY
Material:
Finish:
Alder
Oil or sprayed urethane
Std. colors:
Body width:
Body length:
Body depth:
Natural (with oil finish), black, white
11 1/2"
23 3/4"
1 5/8"
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Owner's Manual
NECK
Type:
Maple, bolt-on
Satin
Finish:
Shape:
Oval
Fingerboard:
Nut:
Rosewood
Micarta
Truss Rod:
Neck width
at nut:
Single, adjustable at body
6-string: 1 15/16"
6-string: 3 3/8"
1/2"
Neck width at
end of neck:
String spacing
at bridge:
ELECTRONICS
Type:
Active
Battery:
9-volt
Controls:
Pickups:
Volume, bass and treble boost (+/- 12dB)
Piezoelectric elements in StradosÔ bridge (two per string)
Battery
compartment:
Shielding:
Battery mounted inside control cavity
Conductive paint in cavity and on cover
HARDWARE
Bridge:
Zeta composite
Tailpiece:
Tuners:
Machined aluminum
Gotoh, enclosed
ACCESSORIES:
Omni Swivel Tripod Stand; cello bow; adjustable endpin;
adjustable upper bout guide
ZETA MUSIC SYSTEMS, INC.
2230 Livingston Street • Oakland, California 94606
510.261.1702 • Fax: 510.261.1708
© 2000 ZETA Music
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