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Post new topic Prototype Zum lapsteel 10 string
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Author Topic:  Prototype Zum lapsteel 10 string
Dennis Wireman

 

From:
the cornfields
Post  Posted 19 Nov 2022 7:47 am    
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Bruce made this one of a kind unique lap steel. only one made. it does have the Zum neck. key head and fret board and body, The changer has a moving lever on all 10 strings. when you move all 10 of them it changes steel to a different setup. He got the aluminum gun case fits nicely in it, 1950.00
+shipping and insurance, welcome to pick it up save on that costs or meet 100 miles from 47978












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Bill McCloskey

 

From:
Nanuet, NY
Post  Posted 19 Nov 2022 7:50 am    
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how do the levers work?
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Dennis Wireman

 

From:
the cornfields
Post  Posted 19 Nov 2022 8:21 am     levers
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you just push them all down or pull them all up very easy to do.they move smoothly
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Bill McCloskey

 

From:
Nanuet, NY
Post  Posted 19 Nov 2022 8:25 am    
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So it raises and lowers each string a tone? a half tone?
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Dennis Wireman

 

From:
the cornfields
Post  Posted 20 Nov 2022 6:27 pm     strings
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a tone
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Bill McCloskey

 

From:
Nanuet, NY
Post  Posted 20 Nov 2022 6:48 pm    
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Are their legs?
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Dennis Wireman

 

From:
the cornfields
Post  Posted 21 Nov 2022 4:22 am     legs
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no legs it is a lap steel as posted
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David LeBlanc


From:
New Brunswick, Canada
Post  Posted 21 Nov 2022 9:12 am    
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Fascinated by the levers. Can you change one lever at a time or all at once?
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Dennis Wireman

 

From:
the cornfields
Post  Posted 21 Nov 2022 10:46 am     levers
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he said all at once. Maybe
Bruce will see this on here and give us more insight about it.
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Jon Zimmerman

 

From:
California, USA
Post  Posted 21 Nov 2022 3:14 pm     Zum Zignature 😎
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I like that ‘Portotype’ designator.
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HowardR


From:
N.Y.C.-Fire Island-Asheville
Post  Posted 24 Nov 2022 11:54 am    
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Interesting guitar......so the levers move all at one time?.....can any of the levers be moved separately?.....or if you engage one lever they all engage?.....

In this (your) photo it appears that the levers can be engaged separately...so I'm a little confused....can you shed some light on this?....thanks



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Dennis Wireman

 

From:
the cornfields
Post  Posted 25 Nov 2022 3:03 am     levers
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they can be moved one at a time, but Bruce stated to move all of them. I am hoping he will see this posted and shed some info on it. Very uniquec and well built by a master indeed
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Bruce Zumsteg

 

From:
Harrisonville, Missouri, USA
Post  Posted 25 Nov 2022 8:37 am    
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Zum Lap Steel with Pitch Changer

This is a totally unique Lap Steel that I built several years ago. It has a changer mechanism that allows the pitch of each string to be changed to another note (within a limited range, of course, providing the string gage is proper for both notes). This is accomplished by merely shifting the levers up or down. Originally the guitar was tuned to an E13 with a high G# on the top, and a low E on the bottom. When all the levers are released to the ‘up’ position, the tuning goes to a C6, with a high G on the top and a low C on the bottom. It could be tuned to change from either of those tunings to an A6. Of course you could use the mechanism to merely change the given tuning within itself, such as changing a 6th note to a dominant 7th, or a sixth chord to a diminished. I’m sure there are other possibilities.

When switching the levers from one position to the other, don’t try to change them all at once, but rather one at a time. Also, when releasing the levers from the locked position , raise them up gently rather than letting the changer finger ‘snap’ down hard against the tuning screw.

With the levers locked in the 'down' position, tune the guitar with the tuning keys, to the HIGHEST note desired for that string (for example, to an E 13th tuning: G# E C# B G# E D B G# E). With the levers released to the ‘up’ position, tune the guitar with the allen screws in the end plate to the LOWEST note desired (for example, to a C6 tuning: G E C A G E C A F C).

The guitar is 10 string, 24 ¼” scale, and has a single coil pick-up. The case is all aluminum, foam lined. I bought the case used, so there are a few small scratches on it.
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Dennis Wireman

 

From:
the cornfields
Post  Posted 27 Nov 2022 8:59 am     levers
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here you go folks and thank you much Bruce for your input and advice on this clearing things up for us.
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