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  5. Installation Instructions And User Manual

B-band A1 Installation Instructions And User Manual

Manual is about: UST AND AST TRANSDUCERS A SERIES PREAMPS

Summary of A1

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    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.

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    A5 ust ast 1470 a1 / a1n a2 a2.2 a3.2, a4.2 a6 high technology with spirit congratulations and thank you for your purchase of this state-of- the-art acoustic transducer system. B-band takes care to provide the highest quality product and is manufactured in the true spirit of acoustic instrument afic...

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    Contents 1. General information 1.1. Safety and product warnings . . . . . . . . . . . . . . . 4 1.2. B-band electret transducers . . . . . . . . . . . . . . . 4 1.3. A-series preamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.4. Optional condenser microphone for a2 preamp . . . ....

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    4 5 1.2. B-band electret transducer both the b-band ust (under-saddle transducer) and ast (acous- tic soundboard transducer) use the same-patented transducer technology. They are very flexible, but you should never pull or bend them at a sharp angle. B-band transducers themselves do not require elec...

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    4 5 the a1n is a single input endpin preamp designed for use only with the 1470 ast transducer. This modified a1 endpin preamp has an intergraded frequency notch of 6 db at 180 hz. The a2 is a two input / two output endpin preamp. Designed as a platform for two sources, the best performance is with ...

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    6 7 - large dress washer - large hex nut • 1 pcs cover tube for preamp • 1 pcs battery clip with adhesive • 1 pcs battery cord harness (length 65 cm / 25 3/8”) • 2 pcs wire clamps • 1 pcs instructions and user guide 2.4. A1n-1470 ast bundle package contents: • 1 pcs ast transducer • 1 pcs cardboard ...

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    6 7 4.1. Ust (under-saddle transducer) from an operational point of view, it is important that the angle of the strings behind the saddle is correct. An angle of 30 - 45 is ideal. If some of the strings (or all) don’t press on the saddle with enough force, balance problems may occur. The angle of th...

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    8 9 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 sligh...

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    8 9 adhesive side with a1 and a2, a2.2 preamps. At the area between the bridge and soundhole. Sometimes there is also a flat brace running parallel under the bridge. The 1470 ast should be placed so that the ast is on the bass side of the brace running parallel to the strings and that part of the ac...

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    10 11 at page 26. Prepare the guitar for cutting the preamp hole with the rotary wood router by securing it in some way so that the guitar does not move while doing the cutting. Cut out the area for the preamp using the rotary wood router with a sharp 1/8” / 3 mm cutting bit. Do this slowly and very...

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    10 11 6. Connecting the transducers and wiring to the preamp 6.1. Open the preamp and see appropriate picture (below) for con- nections. Connect the transducer(s), battery cable harness and if you have a3.2, a4.2, a5 or a6, the output cable. At the a2.2 the battery wire harness is pre-wired. Notice ...

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    12 13 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..

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    12 13 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 protec...

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    14 15 a1, a2, a2.2 8.2 8.2. For installation of the 1470 ast (steel string guitars; x-braces), place two bridge pins in their holes, one at the low “e” string side and one at the high “e” side. Set the bridge pins normally. This, with the cardboard mounting guide / ast assembly will guide the ast to...

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    14 15 8.2 a3.2, a4.2, a5, a6 8.5. If you are installing an a2 with the optional b-band ag-mic condenser microphone, install the mic at this point. There are a variety of possible locations, depending on your own taste and preferences. The two most used places are: • connect the mic near the intersec...

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    16 17 8.6. Test the system before putting on the strings. To do this, plug into an amplifier and then tap lightly on the top of the guitar (and microphone, if used) to make sure that you can hear the transducer(s) when you tap. Another good test is to shake the guitar when plugged into amplifier. If...

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    16 17 11. Controls (a3.2, a4.2, a5 and a6) 11.1. A3.2 preamp the a3.2 has five knobs. The volume controls the output volume. At “0” it is completely off. At “12” it is loud! The bass, treble and pres tone controls are normal boost/cut shelving controls. The middle tone control is normal boost/cut fi...

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    18 19 12.4. One or several strings sound louder or quieter than the others (with ust) if there’s only a very slight imbalance, let the saddle “shape” on the ust for a few days. The fault may be repaired on its own. Users have reported that after three (3) days the saddle has settled on the ust and t...

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    18 19 • if anything else does not help, you can try to add one or two layers of ordinary letter paper under the saddle, underneath the quieter strings. This will cause a better mechanical contact between the saddle and the ust and thus increase the volume. If the volume decreases when adding the pap...

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    20 21 a2.2 specifications s/n ratio greater than –90 db distortion 0,05 % frequency response 50 hz - 20 khz low-cut slope -6 db/oct on both channels voltage gain: - input channel 1 +24 db - input channel 2 + 24 db input impedance: - input channel 1 50 m Ω - input channel 2 50 m Ω output impedance 15...

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    20 21 a6 specifications bass control range ±12db @ 70 hz middle control range ±12 db @ 1.1 khz treble control range ±12 db @ 10 khz notch frequency range 100 hz…>>330 hz notch depth range -15 db; q 3.3 frequency response 50 hz..>>20 khz on both channels ust channel voltage gain +24 db ast channel vo...

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    22 23.

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    22 23 a3.2 drill hole guide.

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    24 25 a4.2 drill hole guide.

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    24 25 a5 and a6 preamp hole-cutting guide (1.790") (.0585") (.897") (.156") (1.6 8 4 8") (.124 8").

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    26 27.

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    26 27.

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    28 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: sales@band.Com 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) ...