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Before starting the installation, make sure that you have a B-Band 
UST  of  the  right  model.  Measure  the  width  of  the  saddle  slot. 
Check  that  you  have  the  correct  model  and  the  system  really  fits 
into your guitar.

 Some undersaddle pickup manufacturers recommend to file the 

saddle bottom in a slight U-shape in order to create more pressure on 
the center area of the pickup. Also, there are saddles on the market, 
where portions of the saddle bottom have shallow slots (looks like a 
saw blade) in order to create excessive pressure on the pickup. Do not 
use these types of saddles with the B-Band UST. The saddle bottom 
must always be straight and flat with the B-Band UST.

We cannot guarantee a successful installation with every instru-

ment, since there are so many different saddle widths.
 

4.1.1. UST models and sizes:

Steel stringed guitar or bass:

Saddle width                              Model        UST width

2.3 – 2.9 mm/ .090 - .115” (3/32”)  22L              2.3 mm / .090”
3.0 mm / .120” (1/8”) or more          29L              3.0 mm / .118”

Classical guitar or very small body steel string guitar with use of A1, 
A1N, A2 or A2.2 endpin preamp:

Saddle width                              Model        UST width

2.3 – 2.9 mm/ .090 - .115” (3/32”)  22S              2.3 mm / .090”
3.0 mm / .120” (1/8”) or more          29S              3.0 mm / .118”

22S and 29S are for use only with A1, A2 and A2.2 preamps 

in classical guitars or in instruments where the saddle is very close 
to the area where the endpin preamp will be. In all other models of 
guitars, use the “L” model with the A1, A2 and A2.2 preamps. When 
using A3.2, A4.2, A5 or A6 preamps, always use “L” size transducer. 
“L” models simply are longer in overall length than “S” models. There 
is no difference with frequency response.

4.2. AST (Acoustic Soundboard Transducer)

The model B-Band 1470 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 between the bridge and the soundhole. The supplied 
peel-and-stick  adhesive  attaches  the  1470  AST.  Do  not  use  any 
other adhesive. 

Before installing the 1470 AST, the area where it is to be attached 
should be checked that it is good condition and that there is enough 
space for the transducer to fit. The area should be flat, smooth and 
clean! All of the 14 x 71 mm (.546” x 2.73” or 9/16”x 2 13/16”) area 
of the 1470 AST must attach to the area’s flat surface.

5. PREPARING THE GUITAR FOR INSTALLATION

Please read completely before starting the actual procedure.

5.1.

 First, for test fitting 1470 AST (if applicable), loosen and remove 

the strings from the tuning machines.

5.1.1.

 Before removing the strings and bridge pins from the bridge 

check  to  see  if  the  1470  AST  will  fit  at  the  bridge  plate  correctly. 
Also, at this time, clean the bridge plate surface with a moist cloth 
and let dry completely.

The cardboard mounting guide is specifically made for bridges 

that the saddle is at a slight angle to the bridge pinholes. It may also 
be that the guide is too long for the space. If so, the guide can be 
trimmed with scissors slightly to accommodate this. If in case the guide 
still does not work the transducer may be installed by hand. Although 
the instructions do not specify how to do this, if you carefully read the 
instructions you will be able to adapt them to perform the installation 
by hand. It really is not that hard or critical if you are careful.

For classical guitars the installation is done by hand. For most 

classical guitars the 1470 AST is placed inside the guitar parallel to 
center brace on the bass strings side that runs parallel to the strings 

Summary of Contents for UST

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 22: ...22...

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

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

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

Page 26: ...26...

Page 27: ...27...

Page 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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