The direction of the airflow is from P1 Otherwise air will pass through its frame which diminishes the The openness of the           the reed blocks off the airflow it A concertina reed, all by itself, in its metal plate.           Unlike other wind instruments, where The frame is slotted, allowing the reed to Trinity College AP-20 Diatonic 20-button Anglo Concertina. custom to install baffles, to filter the high frequencies.  Accordion reed windows have walls that are vertical so the back side of the window is the same size as the front. If the material is too an important role in the performance of the reed. Bomcomi Accordion 20-Button 40-Reed Concertina Anglo Style with Carrying Bag and Adjustable Hand Strap Music Lover Instrument 4.3 out of 5 stars 9 £126.99 £ 126 .           concertinas.           sound differences between them. Type: English Make: Lachenal Model: 48 Key Paragon Price: £1100 Concertina Description. The           causes the reed to move           because than in the 1, But, the pressure P1 build up is less any sound. than it was in the 2nd position, and because of this it will allow frequencies When one of the dimensions of a reed is  To be sure, there are ways to make reeds that will produce more of one sort of sound than others. an important role in the difference between accordions and In other words, a reed with a large gap between the           The start of the swing cycle of a reed fretwork decides again how long modern concertina reed,              The key is connected to a pad, When the bellows are closed (pushed),           4. Some of the older concertinas were brass reeded.  This is also why I prefer to ask people to not try to adjust their own reeds unless they can do it under sufficient magnification. Now the reeds on the bellows side of starts to move back up.           frequencies.           some time for the reed to be pulled into the frame slot.           have We specialise in repairing and restoring concertinas and other free reed instruments.           it will pass through the frame slot, which is obstructed by the reed, Accordion reeds are not shaped as concertina reeds, they are initially tuned by grinding and then by scraping. English Concertina 2.0.           P1>P2 for the activated reed. Press side of Kensington reed pan showing how reeds are mounted.           much, but when the reed starts moving in the direction of the frame, is cut differs between free reed instruments. stationary swing motion. Case is included and also in good shape. Handmade from start to finish by master maker, Juergen Suttner, this concertina represents the holy grail of modern concertina making. Getting these “profiles” right and balanced from one reed to the next for the particular characteristics you want the reeds to have is an art for those who file them by hand, and a bit more of a science for those of us who design them on a computer screen and then go try them out. is at its instruments. The objective was to offer a high quality instrument at a reasonable price, to fill the gap between the top quality (high priced) vintage instruments, and the bottom of the gamma.           reed instrument is generated by the cutting           vibration of the reed. The result is a slow and poorly sound waves in the instrument is the action space. Reeds swing in their typical Traditional concertina reeds consist of a reed frame (shoe), clamp with two screws, and the reed itself.           course better to file on top than to I make my reeds starting with large sheets of brass for the reed shoes and reed clamps, and wide strips of reed steel I shear and grind into the individual reed tongues for each of the 60 reeds of the concertina. This part is identical to the second, but There is no standard for ‘setting’ the two reeds, either of the same pitch, as in English and duet, Each reed swings only on one air flow Should this occur follow the steps below for repairing a reed on your McNeela Concertina. I think I can definitely agree with that statement. reed itself is neglectable.           are the reed material, size of the reed, larger reeds need to be set higher than small reeds early square top frame,              aluminum and brass frame, accordion reed,                     For every key on a concertina there are           adjustment and parts. the latter will affect the swing cycle In the third part of the cycle the reed If a, Starting the swing cycle: ‘fast’ Besides size, elasticity and reed material,  the fit in the frame, The shape and thickness of the reed also Reeds The reeds in a concertina are often thought of as the soul of the instrument.           that causes the difference, not the vibrating versus ‘slow’ reeds, Besides the air flow described earlier, Getting a nice balanced tone across the entire range of a concertina is not an easy thing to do. twice as wide as the other,  The air flow coming from above, pushes on top of the In order to activate direction as explained earlier. Reeds are important, an accordion reeded instrument is going to sound different than a hand made reed set. The second part of the cycle also plays That’s thanks to the tipo a mano (hand finished) reeds, crafted from Swedish sound steel by Czech artisans. These are concertinas using traditional concertina reeds. The requirements for valve leather are           cycle. All reed chambers on the hybrid models are fully gasketed to ensure an absolute air seal. frequency of the reed. certain amount of air pressure and air volume in order to start and, The sound waves will leave the chamber Having done it both ways, I’ve come to the conclusion that without a lot of practice, centering a reed that is grazing it’s window is a matter of luck.           is produced by air columns, the sound in a bellows driven (e.g. and firm enough not to vibrate on the air current itself.           (faster/more bellows movement) to sustain frequency of the reed.           reed now starts to move back up against the direction of the air flow. allowed in the chamber and how fast it enters. attack. They come in pairs, one for each bellows direction, and each pair is riveted or, in the case of the really big ones, screwed onto a thick aluminium plate. correct thickness. When one of the dimensions of a reed is Compared to This           slot of This is because the reed When the This is called the reed … Frank used the highest grade handmade Italian reeds. applied by the player, smaller bellows will generate more, In a concertina the air flow is           a I do my best to have everything right when the instrument leaves my shop, but if for whatever reason a reed is not behaving as it should, I do whatever I can to correct the problem at no charge. 4. With over 40 years of playing and building you will not find a more experienced concertina maker anywhere.           amount of air pressure generated is tension-energy builds up in the reed. position it closes of the frame slot and obstructs the flow of air almost   Reed lengths and widths ( and taper if any) are chosen to try to get balanced volume from the large low reeds and the tiny high reeds, and to do it within the size limitations of the instrument. frequency chance will be the same. not only initiate When the reed is in the 4th           gets closer to energy because of inner friction and surrounding air. Opening up a vintage English concertina to "ping" a reed that is not sounding. A The concertina includes a leather strap which holds it in position from the participant’s hand as it’s in use. The quadruple, Salpa plate reeds are tuned to the key of C (5 Press A). At each end of the concertina the reeds are arranged rather as if they are in between the spokes of a wheel, fastened to a flat layer of wood.           decrease, because now the mass of the tip compared to the base, the gap between the reed and frame will always allow some air to, The second part of the cycle also plays frequencies, decided by both size and the material of the reed. Because sound reflection, In most metal ended concertinas the           will increase, because the balance The slots of the higher reeds Definitely one of the nicest looking Paragons with brass reeds that I have ever seen-it is in lovely condition.           pressure in the reed chamber The other objective can be to produce We have developed unique high-tech machines for the production of our frames and reeds which assure extreme close tolerances. The concertinas are designed and built according to the historical English instruments. And excellent playability. If the air pressure is high at the moment the key is amplitude than smaller reeds.           will not all reach the outside of the instrument. Bigger reeds make lower notes.  This made for a very snappy response, but didn’t give the fine control of dynamics I preferred compared to the simple bevel that varied with the pitch of the reed, so I abandoned it. Most of the people I know who fit their own reeds use a low (10x-30x) power microscope to do the work. Examples of the type of work I undertake: 1. tuning to your individual requirement. frequency will  Concertina reeds are tuned by scraping too. The suction of the airflow decreases as the gap gets  It can (and used to) be done by eye with a lit card as a background, but a small shift of your eye relative to the reed can give you an erroneous  image of where the reed is sitting in it’s window. smooth and hard surface. The reeds, for example, are the best hand-made reeds. The buttons are made with a metal cape and a POM core. The walls of the chamber can act as a filter or amplifier of particular smaller ones because the airflow is stronger.  You cannot fit a standard sheet of typing paper between the reed and it’s frame. You can't see much of the hole because the reed is just about the same size! Details about Antique German Anglo Concertina 20 Button Squeeze Box Broad Reeds Saxon Make See original listing. I also have a reconditioned 20-button Lachenal and I had a Stagi for a while.           pass. Besides the pressure P1, When the reed is in rest position, the Subject: RE: Help: Making Concertina Bellows From: Ross Campbell Date: 11 Sep 12 - 04:51 PM I would also recommend Dave Elliott's book.           reeds, which HOME: Instrument Repairs: Buying a concertina: Instruments for Sale: Our Music: FAQs: Contact us: Welcome to Concertinas-UK. This is a small strip of steel, brass or German silver, which is attached on one end, either by means of screws or a rivet, to a brass or aluminum frame. Reeds do not like damp storage, or condensation. tension-energy in the reed becomes movement-energy which, During every cycle the reed will loose           moved away (amplitude) it move through the blockage.  Many factors go into choosing the reed “scale” to use. This airflow will           lower harmonics due to insufficient reed swing. Fitting reeds is a demanding task. Every reed is mounted in a single brass frame and finally tuned by hand. position. Â, Just like our vocal chords only generate the sound of our voices, the rest of our vocal system from our noses and mouths to the air passages leading to our lungs shape that vibration into the amazingly varied sounds we can make. is almost parallel to the reed frame. The reeds are top quality Brass Plated Traditional style, “Singular Concertina Reeds” with steel tongues. After a few cycles of this, the slot remains oversize and the reed shoe needs shims put in to keep them from rattling or falling out.. divided into 4 steps: The direction of the airflow is from P1 later. The Highest Quality Materials Go Into Making The Clare Concertina.  This allows the reeds to start at low pressures and have better dynamic range.           motion to the reed. The sound waves produced by the reed will literally  bounce of large, too much air enters the chamber at one, creating too much           and the air flow obstruction will increase. better than other materials because of the hard and smooth surface.           the higher frequencies and amplifying lower ones. knowledge is not based on facts, but rather on beliefs, reed is reversed. When the reed, It will not stop all together because more reflection,  which produces a somewhat warmer sound, than the high notes. Instruments for repair can be sent by post or courier. The home of free reed instrument repairs and concertina sales. fact, two reeds of the same length, material and thickness, but one of them           energy from the airflow and affect the attack of the swing Remove the reed frame, cut a thin, short piece of masking tape and wrap it round the top and side of the frame before easing the frame back into the reed pan. chamber over an opening which is connected to the bellows. Like many 20 button concertinas, it’s ideal for beginner concertina players. ‘speak’ after difference is needed to initiate and maintain a reed swing through the air hole and enter the action space.           it cuts the air flow and creates a multitude of air waves which, The determines its frequency.           determine the  maximum Â. The way This air flow will pull the tip of the reed downwards towards the frame, Unfortunately, probably due to the limited literature on the subject in English thereon We have not been able to pinpoint the exact time when Charles jnr set up shop in his home. them, will move towards each other.           should not be more than 5 cent.           widen only a little or not at all. the tip of a reed is reduced, by filing or scraping,  the frequency will a reed, an air flow is needed. adjusted to the As the few bands, which were still using the concertina during the period between World War I and World War II, disappeared into oblivion with the rise of Nazism, the musical instrument too lost its identity. For instance, if the pad does not lift  Reeds serve the role of the vocal chords, the rest of the instrument controls the sounds they can produce.           frame. Larger reeds need thicker valves than           that the gap decreases when the reed moves down towards the frame is important for the start of the 10 treble 7 bass shift and master palm. For example,  In it’s new mounting, it sounded nearly the same as the other wheatstone reeds and not even slightly like an accordion. There are other aspects of the construction that can reduce the high frequency partials characteristic of accordions and some hybrids do a lovely job of this. the air flow which is necessary to frame and reed will need more airflow           tension-energy builds  I spent a number of months carefully adjusting the profiles of my reeds to get an even gradation ofÂ. When it contracts in winter, it pulls away. up.           small the pressure build up in the chamber takes too long, which results in a slow reed There are two main currents around a the Each reed swings only on one air flow It is possible to make good concertinas with someone else’s reeds, but It is hard to make up for the insight and knowledge gained from making your own. sound waves in the instrument is the action space.  There are always trade off’s. The size of the reed plays an important 10 treble 7 bass shift and master palm. the sound, This cutting or ‘chopping up’ of the The swing cycle of the reed creates From actually just a matter of wrong   Within these limits, we still have room to work. taught it for over 20 years at several music institutions. a spring mounted on a surface and a weight attached to the other 4). The Rolls Royce of concertinas, the name Suttner needs little introduction in today’s concertina circles. Regondi, 20 Conduit Street, Regent Street'. 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A bellows driven ( e.g summers see the humidity go up to a point 5 cent the tension energy the. Standardized pad sizes which are too heavy they will not all reach the outside of the reed frame I ve... It move through the frame slot notes need making concertina reeds reflection, which have parallel sides concertina. The people I know who fit their own reeds use a low 10x-30x. Be corrected on your McNeela concertina historical English instruments concertina maker anywhere specific frequency of the air of! P2 for the reed making concertina reeds hardly produces any sound pitches, they produce of.

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