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Information and Measurements

 





Model:
8D
Serial Number:
N38998
Year:
1970
Manufactured in:

Elkhart, IN
Abilene, TX
Eastlake, OH

*Lacquered:
Yes
No

*Serial Number
Location:

Lever Bridge
Change Valve Casing
Other

*Change Valve:
Mechanical
String
Converted
       to String

Bell engraving
contains the words:

C.G.Conn LTD, Elkhart, IND, USA
C.G.Conn LTD, USA (No reference to Elkhart)
Conn 8D
Other, please specify:


*Bell:

Fixed
Factory Screw Bell
Screw Bell Conversion
 

Horn has the following
(Check all that apply):

Metal Hand Guard
Finger Hook

Music Lyre Holder
Oil Hole

Bb First Valve Slide:

Straight
"Sock Foot"

*2nd Valve Pull Ring:
Round
Flat
Oval

Change Rotor is:

Tapered
Cylinderical

2nd Rotor is:
Tapered
Cylindrical


Venturi Diameter:

.280

Venturi Depth:

Change Rotor
Top Diameter:



Change Rotor
Bottom Diameter:

2nd Rotor
Top Diameter:



2nd Rotor
Bottom Diameter:

Cylinderical Tube ID:



Cylinderical Tube
Thickness:

Branch OD at
Change Rotor:

.5065

Branch OD at
Bell Tail Ferrule:
.615

Bell Tail OD
at Branch:

.657

Bell Flare
Outside Diameter:
12.25"

Bell Flare Seam
Circumference:

"

Horn Weight:

Bell Flare Thickness
at Edge:

.0103


Custom modifications:

Horn was purchased used on 10-15-2022. Bell tail and flare are new (Eastland). Replaced 1st valve top bearing plate. 1st valve bearing plate had been punched and did not fit correctly. All valves have been replated (date unknown). Lacquer has been removed. All bottom bearings have been adjusted.

 

     
   
 

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