B-band A1 Скачать руководство пользователя страница 28 | Manualshive

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MANUFACTURER´S CONTACT INFORMATION

International

B-Band Ltd
Konttisentie 8
40800 Vaajakoski
FINLAND
Tel:      +358 14 332 9050
Fax:       +358 14 332 9001
E-mail:      [email protected]
Internet:      www.b-band.com

Americas

B-Band, Inc.
11125 Weddington St.,
N. Hollywood, CA 91601
U.S.A.
Tel: (818) 508-9412
Fax: (818) 508-9413
Email: [email protected]
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 either registered trademarks or trademarks of B-Band Ltd in
United States and/or other countries. Patented, patents pending. All specifications are subject to change without prior notice. All rights reserved. © Copyright B-Band
Ltd, 1996 – 2003.

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Содержание A1

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: ...films 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 permanently charged film but the most important difference is the sound Whereas piezo pickups tend to impart a sound of their own often described as quacky or plastic the B Band transducers act in much ...

Страница 3: ...EAMP 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 16 11 CONTROLS A3 2 A4 2 A5 and A6 11 1 A3 2 preamp 17 11 2 A4 2 preamp 17 11 3 A5 preamp 17 11 5 A6 preamp 17 11 6 A5 and A6 Notch controls phase switch and Batt LED 17 12 TROUBLE SHOOTING 12 1 No so...

Страница 4: ...er 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 GENERAL INFORMATION This instruction guide is a very detailed and valuable reference for the installer and user For a quick pictorial overview of the installation process we highly recommend you to visit t...

Страница 5: ...e 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 side of the mix only the sound of the UST is heard The A5 is a single input design for use with either UST or AST The A5 controls include sliders for the volume and a 4 band graphic equalizer bass midr...

Страница 6: ...3 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 pcs 2 2 x 9 5 mm screws black for faceplate 1 pcs output cable with endpin jack and strap attachment which includes Small hex nut Small dress washer Lock washer Large dress washer Large hex nut 1 pcs...

Страница 7: ...nt 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 so narrow that even the 2 2 mm 3 32 wide B Band UST does not fit in In such cases the slot has to be made wider and the saddle has to be replaced with a wider type In other guitars the saddle might be...

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 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 ...

Страница 9: ...the 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 14 x 71mm active area must fit at the soundhole side of the bridge plate without touching the bridge pins or string ball ends or hanging over the edge of the bride plate Also if using a UST AST combin...

Страница 10: ...page 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 Use a small file or sinking drill bit to smooth the edges of all holes carefully and then remove the masking tape 5 6 For A5 and A6 installations please read the following care fully It is very import...

Страница 11: ...n 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 normally UST Set that at on position if you prefer a mild treble boost Switch 2 is an on off switch for the second channel bass roll off 6 dB 3 dB 500 Hz when at on position Set it at the on position o...

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: ...ded 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 ...

Страница 14: ...uitar 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 like distortion 8 3 For classical guitars the install the 1470 AST by hand at the area described at 5 1 1 Remove the adhesive protective layer from the AST Then stick it firmly by holding and pressin...

Страница 15: ...ect 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 mic it is possible to adjust its direction in a wide range simply by bending the metal wire Bend it carefully to avoid making a sharp bend as the paint could come loose It will require some experiment...

Страница 16: ...pots 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 gain controls are at the full setting Adjustment of the UST input gain will change the balance of the AST UST crossover blend at the AST side of the mix 10 2 For the A6 there are two input gain trim...

Страница 17: ...single 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 slider controls are a 3 band equalizer for controlling tone The BASS and TRE treble tone controls are normal boost cut shelving controls The MID mid range tone control is normal boost cut filter The c...

Страница 18: ...voided 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 every string If the angle is too low the string the system Pushing this button in will put the transducer s out of phase with the speaker s When the button is out both transducers are in phase This contr...

Страница 19: ...ip 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 guitars the G string may cause problems 12 4 3 If all things mentioned above are correct and there still is a balance problem you should try the following tricks The easiest way is to install a spacer...

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 kHz Low cut slope 12 dB oct Input channel voltage gain 24 dB Input impedance 50 M Ω 10 pF Output impedance 1 k Ω Nominal output level 10 dB ref 775 mV r m s Power supply 9 volt battery not included Cur...

Страница 21: ...RLY 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 DETAILED FAULT DESCRIPTION CUSTOMER S NAME AND COMPLETE DELIVERY ADDRESS MUST ALSO BE SENT A4 2 Specifications S N ratio Greater than 90 dB Distortion 0 05 Frequency response both 50 Hz 23 kHz AST and U...

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: ...Hollywood 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 either registered trademarks or trademarks of B Band Ltd in United States and or other countries Patented patents pending All specifications are subject to change without prior notice All rights reserv...

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