Some Acoustic Information

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Author Message Russellw (Russellw) Posted on Friday, December 12, 2003 - 4:05 am:    Having been slack of late and not follwoing these posts as much as I would like to, I have noticed a large number of questions about various model acoustics. Whilst far from an expert on the subject, the pre 1985 models are a special interest to me and I have been studiously gathering data from my own catalogues, rusty brain and other resources. The enclosed tables represent the knowledge I have managed to gather although I am sure there is plenty of other information around on the topic. Please feel free to add any missing information into this thread where there are gaps in the table and I will update them accordingly. Cheers Russ Russellw (Russellw) Posted on Friday, December 12, 2003 - 4:10 am:    Dreadnaughts Model Desc Top B&S Neck Fret Other AU$ #627 Dreadnaught Spruce Mahogany Rosewood 305.00 #627-12 Dreadnaught 12 Spruce Mahogany Rosewood 335.00 #628 Dreadnaught Selected Spruce Mahogany Rosewood Deluxe rosette 335.00 #628-12 Dreadnaught 12 Selected Spruce Mahogany Rosewood Deluxe rosette 375.00 #645 Dreadnaught Fine grain Spruce Indian Rosewood Rosewood B&S matched 375.00 #646-12 Dreadnaught 12 Fine grain Spruce Indian Rosewood Rosewood B&S matched 395.00 #647 Dreadnaught Fine grain Spruce Mahogany Rosewood Unique headstock #647-12 Dreadnaught 12 Fine grain Spruce Mahogany Rosewood Unique headstock #651 Dreadnaught Fine grain Spruce Mahogany Rosewood Gallagher-Style head 445.00 #651-12 Dreadnaught 12 Fine grain Spruce Mahogany Rosewood Gallagher-Style head 475.00 #652 Dreadnaught Fine grain Spruce Rosewood Rosewood Wood herringbone rosette #665 Dreadnaught Flamed Maple Flamed Maple Rosewood Fancy abalone pg #656 Dreadnaught Fine grain Spruce Mahogany Rosewood Heritage trim, matched B&S 455.00 #670 Dreadnaught Maple Rock Maple Wood binding 445.00 #670-12 Dreadnaught 12 Maple Rock Maple Wood binding 480.00 #671 Dreadnaught Fine grain Spruce Maple/Jacaranda Maple 3 Piece back, shell pg 500.00 #671-12 Dreadnaught 12 Fine grain Spruce Maple Maple 3 Piece back 540.00 #675 Dreadnaught Close grain Spruce Rosewood Rosewood 3 Piece back, cedar strips 385.00 #675-12 Dreadnaught 12 Close grain Spruce Rosewood Rosewood 3 Piece back, cedar strips 405.00 #677 Dreadnaught Fine grain Spruce Select Rosewood 3 Piece back, Heritage trim 475.00 #678 Dreadnaught Fine grain Spruce Rosewood/Maple 3 Piece back 475.00 #679 Dreadnaught Fine grain Spruce Jacaranda/ FlamedMaple 3 Piece back 510.00 #684 Dreadnaught Fine grain Spruce Mahogany Rosewood Sunburst - HB pg 365.00 #684-12 Dreadnaught 12 Fine grain Spruce Mahogany Rosewood Sunburst - HB pg 405.00 #684BK Dreadnaught Fine grain Spruce Mahogany Rosewood Black finish 405.00 #684E Dreadnaught Fine grain Spruce Mahogany Rosewood AE system 465.00 #691 Dreadnaught Close grain Spruce Bookmatched Rosewood Mahogany Rosewood #691-12 Dreadnaught 12 Close grain Spruce Bookmatched Rosewood Mahogany Rosewood #693 Dreadnaught Rosewood Dove pg 385.00 #696 Dreadnaught Fine grain Spruce Select Rosewood Rosewood 405.00 #697 Dreadnaught Fine grain Spruce Rosewood Pearl inlay 465.00 #699 Dreadnaught Select Maple Rock Maple 385.00 #699-12 Dreadnaught 12 Select Maple Rock Maple 425.00 #750 Dreadnaught Fine grain Spruce Jacaranda Rosewood Fancy marquetry on back 520.00 #750-12 Dreadnaught 12 Fine grain Spruce Jacaranda Rosewood Fancy marquetry on back 620.00 #751 Dreadnaught Fine grain Spruce Select Mahogany Rosewood Dbl pg #752 Dreadnaught Fine grain Spruce Rosewood Black finish 425.00 #752-12 Dreadnaught 12 Fine grain Spruce Black finish 445.00 #753 Dreadnaught Selected Spruce Jacaranda 3 Piece back 610.00 #753-12 Dreadnaught 12 Selected Spruce Jacaranda 3 Piece back 700.00 #758 Dreadnaught 755.00 #759 Dreadnaught Dove pg 595.00 #762 Dreadnaught Selected Spruce Jacaranda/Flamed Maple Rosewood 3 Piece back 750.00 #762M Dreadnaught Selected Spruce Jacaranda/Curly Maple Rosewood 3 Piece back 760.00 #764 Dreadnaught Fine grain Spruce Jacaranda Rosewood 3 Piece back 800.00 #767 Dreadnaught Selected Spruce Selected Mahogany Rosewood #768 Dreadnaught Fine grain Spruce Fine grain Rosewood Rosewood #801 Dreadnaught Selected Spruce Jacaranda Rosewood 570.00 #802 Dreadnaught Selected Spruce Fine grain Rosewood Rosewood 550.00 #803 Dreadnaught 600.00 #950 Dreadnaught Close grain Spruce Mahogany Rosewood 325.00 #951 Dreadnaught Fine grain Spruce Mahogany Rosewood Braceless #952 Dreadnaught Spruce Mahogany Rosewood Arched back, Braceless 385.00 #953 Dreadnaught Fine grain Spruce Bookmatched Rosewood Rosewood Fancy marquetry on back #954 Dreadnaught Spruce Figured Jacaranda Rosewood Fancy inlays #981 Dreadnaught Selected Spruce Mahogany Rosewood 385.00 #983 Dreadnaught Selected Spruce Matched Rosewood Rosewood 465.00 2601 Dreadnaught Fine grain Spruce Mahogany Mahogany Rosewood MOP/star inlays 425.00 2602 Dreadnaught 12 Fine grain Spruce Selected Mahogany Mahogany Rosewood 440.00 2603 Dreadnaught Fine grain Spruce Rosewood Mahogany Rosewood Fancy marquetry on back, MOP/star inlays 500.00 2604 Dreadnaught Fine grain Spruce Selected Maple Maple Rosewood Fancy marquetry on back, MOP rosette 590.00 2605 Dreadnaught Fine grain Spruce Selected Maple Maple Rosewood Fancy marquetry on back 2606 Dreadnaught Fine grain Spruce Selected Mahogany Mahogany Rosewood 2608 Dreadnaught Selected Spruce Selected Mahogany Mahogany Rosewood 2609 Dreadnaught Selected Spruce Selected Rosewood Mahogany Rosewood 2845 Dreadnaught Fine grain Spruce Mahogany Rosewood Fancy marquetry on back 355.00 2846 Dreadnaught Fine grain Spruce Rosewood Rosewood 3 Piece back 400.00 AW20 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood 665.00 AW25 Dreadnaught 12 Solid Spruce Mahogany Mahogany Rosewood 760.00 AW30 Dreadnaught Solid Spruce Rosewood Mahogany Rosewood 730.00 AW35 Dreadnaught 12 Solid Spruce Mahogany Mahogany Rosewood 820.00 AW40 Dreadnaught Solid Spruce Maple Mahogany Rosewood 730.00 AW50 Dreadnaught Solid Spruce Rosewood Mahogany Rosewood 790.00 AW60 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood Satin finish 800.00 AW70 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood 950.00 AW75 Dreadnaught 12 Solid Spruce Mahogany Mahogany Rosewood 1090.00 V300 Dreadnaught Solid Spruce Mahogany 450.00 V300BK Dreadnaught Solid Spruce Mahogany Black finish 540.00 V300BS Dreadnaught Solid Spruce Mahogany 510.00 V300TV Dreadnaught Solid Spruce Mahogany 540.00 V320 Dreadnaught Solid Spruce Rosewood 560.00 M340 Dreadnaught Solid Spruce Flamed Maple Mahogany Rosewood 710.00 M342 Dreadnaught Solid Spruce Flamed Maple Mahogany Rosewood 750.00 F300 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood Floral pg, Cherry wine finish 665.00 F302 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood Floral pg 700.00 F360 Dreadnaught Solid Spruce Mahogany Mahogany Rosewood Floral pg Russellw (Russellw) Posted on Friday, December 12, 2003 - 4:11 am:    Grand Concerts Model Desc Top B&S Neck Fret Other AU$ #62 Grand Concert Spruce Mahogany Rosewood 265.00 #79 Grand Concert Selected Spruce Mahogany Rosewood Dec Sound Hole rosette 285.00 #642 Concert (0-45) Spruce Rosewood Pearloid inlay around body, Abalone inlays 460.00 #643 Grand Concert Spruce Rosewood Slotted head 400.00 #644 Grand Concert Spruce Rosewood Rosewood 410.00 #650 Grand Concert Fine grain Spruce Mahogany Rosewood Gallagher-Style head 405.00 #683 Grand Concert Fine grain Spruce Mahogany Rosewood Sunburst - fancy pg 325.00 Russellw (Russellw) Posted on Friday, December 12, 2003 - 4:12 am:    Jumbos Model Desc Top B&S Neck Fret Other AU$ #698 Jumbo Fine grain Spruce Select Mahogany Rosewood MOP pg 480.00 #698M Jumbo Fine grain Spruce Select Maple Rosewood MOP pg 540.00 #698-12 Jumbo 12 Fine grain Spruce Mahogany 530.00 #698M-12 Jumbo 12 Fine grain Spruce Maple 575.00 #756 Jumbo Fine grain Spruce Select Rosewood Rosewood 3 Piece back 570.00 #756M Jumbo Fine grain Spruce Flamed Curly Maple Rosewood 3 Piece back 620.00 #761M Jumbo Maple 695.00 2605 Jumbo Fine grain Spruce Maple Rosewood Fancy marquetry on back, MOP rosette 590.00 Russellw (Russellw) Posted on Friday, December 12, 2003 - 4:14 am:    Other / Unidentified Model Desc Top B&S Neck Fret Other AU$ 2801 Mahogany 365.00 2802 Rosewood 385.00 2803 Rosewood 405.00 2810 Solid Maple 445.00 2811 Solid Spruce Rosewood 405.00 2813 Solid Spruce Solid 465.00 2856S Solid Spruce Solid 475.00 2858 Solid Spruce Solid Ebony 675.00 2860 Select Spruce Jacaranda Ebony 950.00 AW100 Solid Spruce Rosewood 3 Piece back 1905.00 AW200 Solid Spruce Rosewood Fancy shell inlay on body 3810.00 Cooltouch (Cooltouch) Posted on Saturday, December 13, 2003 - 1:33 pm:    Wow, thanks for the great amount of info, Russell! I wonder if anyone has any info on the AE-series to add to this, especially the older AE models? Best, Michael Janky (Janky) Posted on Monday, December 15, 2003 - 7:11 am:    Hi Russelw, I have a concord 670. Can you tell wich wood is used for the top. I think its solid fine grain spruce? What is Rock maple? Greatz Jan Cooltouch (Cooltouch) Posted on Monday, December 15, 2003 - 11:54 pm:    I think I might be able to answer the maple question. It may be a specific species, but it seems like whenever I see a guitar that is stated as using "rock maple" this just means maple that has no flame or figure. Usually, it also has a considerable amount of crossgrain appearance to it, which is also seen in other woods, such as spruce. Best, Michael Janky (Janky) Posted on Tuesday, December 16, 2003 - 4:00 am:    Hi Michel, Could a be birdseye mapple? Jan Cooltouch (Cooltouch) Posted on Tuesday, December 16, 2003 - 7:16 am:    Once again, I'm speculating, but I would say that birdseye maple falls into the category of "figured" maples, along with flame and quilted maple. Best, Michael Russellw (Russellw) Posted on Wednesday, December 17, 2003 - 2:53 am:    I suspect the 670 is a maple top but I don't have that confirmed and thus didn't state it. Rock Maple is actually a maple that comes from a specific tree - namely the North Amercian Sugar Maple (Acer Saccharum). It is used because it is very hard (thus the common name) and has a nice grain. Birdseye Maple comes from the same tree but usually gets the name if it is more heavily figured. The flamed maples usually (but not always) come from the Ambrosia Maple (Acer Ambrosia) which is also usally highly figured. Quilted Maple comes from the Oregon or Big Leaf Maple (Acer Macrophyllum) and we are all familiar with this highly prized and figured material. Less common (but still seen) are Burl Maples which also originate from the Big Leaf Maples and which feature a swirl pattern in their grain. Cooltouch (Cooltouch) Posted on Thursday, December 18, 2003 - 2:18 pm:    Russell, You seem to know just a little about this subject so I have a follow-up question to what you've posted. The birdseye maple I've seen has a very characteristic "birdseye" pattern to it. Since it comes from the same species of maple as rock maple, do you know what causes this pattern? A non-fatal disease or infestation, perhaps? Or is it a pattern already there, but just not obvious? I have a guitar made from rock maple, with no evidence of a birdseye pattern in the grain. Just curious. Best, Michael Mr_Roadstar (Mr_Roadstar) Posted on Thursday, December 18, 2003 - 6:21 pm:    Michael, The "Birdseye" is indeed caused by an infection. I don't think it's life threatening for the tree, it just causes an anomaly in the growth pattern. Cheers Steve Russellw (Russellw) Posted on Saturday, December 20, 2003 - 7:58 pm:    Conventional wisdom did indeed believe that birdseye, along with many other fiures in wood were the result of disease but this view has been changing over the last decade or so and it is now believed that only some burls may result from disease. In the case of birdseye there are thought to be at least two things that contribute: 1. Locally restricted growth - where a limb is stopped from growing by physical obstruction where the rest of the tree continues to grow. This is where the indentation that forms birdseye comes from. 2. Climate and soil conditions. This view is strongly supportted by the fact that the sugar maple from the Northern areas frequently exhibits birdseye but never from the Southern areas. Unfortunately very little real research exists in this area and most of what there was happened in the 1930's. Cheers Russ

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