Model:

8D

Serial Number:

977259

Year:

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

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

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:

0.282

Venturi Depth:

0.92

Change Rotor
Top Diameter:

0.653

Change Rotor
Bottom Diameter:

0.677

2nd Rotor
Top Diameter:

0.842

2nd Rotor
Bottom Diameter:

0.866

Cylinderical Tube ID:

0.461

Cylinderical Tube
Thickness:

0.016

Branch OD at
Change Rotor:

0.506

Branch OD at
Bell Tail Ferrule:

0.658

Bell Tail OD
at Branch:

0.666

Bell Flare
Outside Diameter:

12.37

Bell Flare Seam
Circumference:

"38.86

Horn Weight:

5/7.7

Bell Flare Thickness
at Edge:

0.025

Custom modifications:

The serial number is stamped on the top of the 2nd valve on the stop arm side of the horn. C.G. Conn does not include LTD in the bell engraving. I purchased this horn on eBay Oct 2014. Provenance unknown. It would appear that this horn was probably manufactured in Abilene, but I am uncertain. Conn indicated that they do not have an archive, so am uncertain of the year of manufacture.