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7. INSTALLING THE PREAMP

For the next portion of the installation, be careful not to catch 

the pickups on anything as you work; inadvertent tugging may cause 
damage to the transducers or pull the connectors off the pin headers 
at the preamp.

For AST please note to lift one corner of the protective layer of 

the mounting adhesive so it is easier to remove later.

7.1.

 For A3.2, A4.2, A5 and A6, take preamp assembly inside the guitar 

and install it to its place. Let the transducer(s) and wire harnesses 
hang loose inside the guitar at this moment. Install the front plate 
and attach the screws. It is important that you have a good quality 
screwdriver to avoid it slipping during tightening and thus scratching 
the guitar. Be careful to tighten the screws properly. It may be wise to 
tape the area around the front plate with masking tape in case you slip 
with the screwdriver. Do not over-tighten the screws as it may strip 
the screws or, with the A5 and A6, the corners of the front plate may 
flex away from the surface of the side of the guitar.

7. 2. 

For all preamps unscrew the strap attachment, the small nut and 

the small dress washer from the endpin jack. Make sure that the large 
nut; lock washer and large dress washer are threaded onto the jack 
almost all the way to the opposite end of the output of the jack.

7. 3.

 Next, test-fit the jack in your strap button hole. Adjust the large 

nut so that only the smaller threaded section comes almost entirely 
out of the guitar. Put the dress washer and the small nut onto the 
threads  outside  the  guitar.  Tighten  securely  using  an  appropriate 
wrench. Prevent the jack from rotating during tightening by inserting 
a small Allen wrench into the holes of the end of the jack. Install the 
strap attachment. Be careful not to over-tighten it…it just needs to 
be snug.

In rare cases, some guitars may have an unusually thick wood tail 

block. This may restrict the jack from sticking out far enough. This may 
cause a plug not to go all the way in and not connecting correctly. With 
the A1, A2 or A2.2 preamp it may be necessary to remove the large nut 
and washer (keep the lock washer on) to get more length.

7.3

7.4.

 Connect a fresh 9-volt battery to the snap-in connector and put 

it in the battery holder. Attach the battery wires to the side of the 
guitar with the cord clamps. Roll the extra cord as a “coil” in some of 
the clamps if necessary.

EVEN WITH THE BATTERY SECURE OR THE (OPTIONAL) 
BATTERY BOX LID CLOSED, THE BATTERY CAN GET LOOSE. 
WE STRONGLY RECOMMEND YOU TO REMOVE THE BAT-
TERY  BEFORE  TRANSPORTING  THE  INSTRUMENT  IN 
HEAVY CONDITIONS, FOR EXAMPLE, BY FREIGHT COM-
PANIES OR AIRLINES, TO AVOID POSSIBLE DAMAGE TO 
THE INSTRUMENT.

8. INSTALLING THE TRANSDUCERS

8.1.

 If installing UST, do it now. Thread the B-Band UST up from inside 

the guitar through the hole in the saddle slot. It is easier to find the hole 
inside the guitar if you insert a small screwdriver or toothpick from the 
top through the hole as a guide. Fit the UST all the way to the other 
end and bottom of the slot. Then, put the saddle in place.

Содержание UST

Страница 1: ...1 Foremost Technology for Absolute Acoustic Reproduction INSTALLATION INSTRUCTIONS AND USER S GUIDE B BAND UST AND AST TRANSDUCERS A SERIES PREAMPS 10 11 2003...

Страница 2: ...ilms and transducers and is entirely unique in the industry How is it different We could go into a long discussion about the technical aspects like the microscopic lens like gas bubbles inside the per...

Страница 3: ...AMP 11 7 INSTALLING THE PREAMP 13 8 INSTALLING THE TRANSDUCERS 13 9 A2 2 UST GAIN TRIM ADJUSTMENT 16 10 A4 2 AND A6 UST AND AST INPUT GAIN TRIM CONTROL ADJUSTMENTS 10 1 A4 2 preamp 16 10 2 A6 preamp 1...

Страница 4: ...r studio quality and user friendly electronics to the diverse needs of acoustic instrument musicians The A1 is a single input endpin preamp designed for use with either UST or AST transducers 1 GENERA...

Страница 5: ...of the mix actually gives the combined sound of the UST and AST crossed over at 700 Hz When the mix is set at the AST side sound above 700 Hz is the AST and sound below 700Hz is the UST At the UST si...

Страница 6: ...2 and A4 2 preamp package contents 1 pcs preamp circuitry board A3 2 or A4 2 1 pcs A3 A4 preamp box with top and bottom halves 1 pcs faceplate A3 2 or A4 2 4 pcs 2 2 x 4 5 mm screws chrome for box 2...

Страница 7: ...t we recommend you to remove it and replace the saddle with a properly sized saddle Another possibility is to install a suitable wooden spacer underneath the saddle In some guitars the saddle can be s...

Страница 8: ...AST works with all B Band A series preamps In steel string guitars the 1470 AST is attached to the length of the bridge plate In classical guitars the 1470 AST is attached parallel to the bracing betw...

Страница 9: ...he cardboard mounting guide at the rectangle 1470 AST area inscribed on the cardboard Now put the assembly to the bridge pins with the AST towards the bridge plate and check the fit All of the AST s 1...

Страница 10: ...age 22 Drill 7mm 9 32 holes for the potentiometer shafts 3mm 1 8 holes for mounting screws and 5mm 3 16 holes for the lo batt LED and if installing the A4 2 holes for the UST AST input gain controls U...

Страница 11: ...this fully clockwise If needed adjustment of this can be done to preference later 6 3 For the A2 inside there are four DIP switches Switch 1 is an on off switch for the treble boost on channel one no...

Страница 12: ...12 A4 2 Output wire UST or AST Output wire AST Battery wire UST A5 A6 Battery wire Battery wire Output wire UST or AST Output wire UST AST A3 2 Battery wire 6 4 Close preamplifier enclosure...

Страница 13: ...ed section comes almost entirely out of the guitar Put the dress washer and the small nut onto the threads outside the guitar Tighten securely using an appropriate wrench Prevent the jack from rotatin...

Страница 14: ...itar make sure that the UST and or AST leads do not touch anything We do not recommend attaching the leads to the guitar by any means This may cause excessive handling noise and resonance that sounds...

Страница 15: ...ct the mic to a back brace and point the microphone so that it points to the top of the guitar behind the saddle In this position the sound is warm and less sensitive to feedback After attaching the m...

Страница 16: ...ots are set at the full setting from the factory The UST input gain trim pot should be adjusted so the output level is equal in level to the AST UST Before adjusting the input gain make sure that both...

Страница 17: ...ingle output preamp The A6 has five slider type controls two rotary controls and one push button The VOL slider controls the output volume At 0 it is completely OFF At 12 it is LOUD The BASS MID TRE s...

Страница 18: ...oided Check saddle is not loose in its slot The saddle should be so tight that you cannot pull it away with your fingers Check string angles behind the saddle They should be about the same behind ever...

Страница 19: ...p of the UST to that hole If nothing else helps you should machine the saddle slot longer and use a new longer saddle Balance problems may also occur with some string sets for example with classical g...

Страница 20: ...g Dimensions L 60 mm W 47 mm H 25 mm 14 SPECIFICATIONS A1 and A1N Specifications Intergraded notch filter 6db 180 Hz A1N only S N ratio Greater than 90 dB Distortion 0 05 Frequency response 40 Hz 23...

Страница 21: ...ERLY PACKED TO THE DEALER DI STRIBUTOR OR MANUFACTURER A COPY OF THE ORIGINAL BILL OF SALE FROM AN AUTHORIZED DEALER INDICATING WHERE AND WHEN THE PRODUCT WAS PURCHASED SHOULD ACCOMPANY THE PROD UCT D...

Страница 22: ...22...

Страница 23: ...23 A3 2 drill hole guide...

Страница 24: ...24 A4 2 drill hole guide...

Страница 25: ...25 A5 and A6 preamp hole cutting guide 1 790 0585 897 156 1 6848 1248...

Страница 26: ...26...

Страница 27: ...27...

Страница 28: ...ollywood CA 91601 U S A Tel 818 508 9412 Fax 818 508 9413 Email sales b bandusa com Internet www b bandusa com B Band B Band logo UST AST A1 A2 A3 A4 A5 A6 and microscopic lens like gas bubbles are ei...

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