Yamaha Trombone Models and Specifications

Tenor Trombones

Model Number
Series / Range
Year Introduced
Year Discontinued
Key
Bore Size
Bell Diameter
Bell Material
Finish
Weight
Remarks
AD-SL1
Standard - Advantage
2002
2004
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Clear Lacquer
Light
Replaced by YSL-200AD
SL-100S
Standard
1990
2001
Bb
null
null
null
Silver Plate
null
null
YSL-1 (Nikkan SL-1)
Professional
1966
1967
Bb
null
null
null
null
null
need confirmation of YSL-1
YSL-154
Standard
2001
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass, 1 Piece
Clear Lacquer
Light
Australian market only? Can anyone confirm?
YSL-154S
Standard
2001
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass, 1 Piece
Silver Plate
Light
Australian market only? Can anyone confirm?
YSL-2
Professional
1967
1968
Bb
M, 12.7mm (0.500")
204.4mm (8")
null
Clear Lacquer
null
null
YSL-200AD
Standard - Advantage
2004
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass, 1 Piece
Clear Lacquer
Light
null
YSL-2510
Standard (Japan only?)
0
0
Bb
null
null
null
null
null
null
YSL-252
Standard
0
0
Bb
null
null
null
null
null
null
YSL-3
Professional
1967
1968
Bb
L, 14.0mm (0.551")
214.1mm (8 1/2")
null
Clear Lacquer
null
null
YSL-350C
Standard
2001
Current
Bb/C
Dual, 12.70-13.34mm (0.500-0.525")
204.4mm (8")
Gold Brass
Gold Lacquer
Standard
W-225R (2012)
YSL-351
Standard
0
0
Bb
null
null
null
null
null
null
YSL-352
Standard
1969
1976
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Clear Lacquer
1410g
Replaced by YSL-354, W-42L (1974)
YSL-352S
Standard
1969
1976
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Silver Plate
1430g
Replaced by YSL-354, W-42L (1974)
YSL-353
Standard
0
0
Bb
null
null
null
null
null
null
YSL-3530R
Standard
0
0
Bb
null
null
null
null
null
null
YSL-354
Standard
1976
1988
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Clear Lacquer
Light
null
YSL-354A
Standard
2000
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
null
Clear Lacquer
Light
null
YSL-354E (#212800 < )
Standard
1988
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass, 1 Piece
Gold Lacquer
Light
The outer slide is made of nickel silver on European models and brass in other territories.
YSL-354S
Standard
1976
1988
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Silver Plate
Light
null
YSL-354SE (#212800<)
Standard
1988
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass, 1 Piece
Silver Plate
Light
The outer slide is made of nickel silver on European models and brass in other territories.
YSL-354V(C-LAC)
Standard
1987
2000
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Clear Lacquer
Light
null
YSL-354V(G-LAC)
Standard
2001
Current
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Gold Lacquer
Light
null
YSL-354VC
Standard
<2012
2012
C
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Gold Lacquer
Light
Special Order Only
YSL-354VS
Standard
1987
2008.1
Bb
M, 12.7mm (0.500")
204.4mm (8")
Yellow Brass
Silver Plate
Light
null
YSL-356
Standard
?
?
null
null
null
null
null
null
null
YSL-356G
Standard
1994
2000
Bb/F
null
null
Gold Brass
null
null
null
YSL-356GE(G-LAC)
Standard
1985
Current
Bb/F
Dual, 12.70-13.34mm (0.500-0.525")
204.4mm (8")
Gold Brass
Gold Lacquer
Standard
null
YSL-356GU
Standard
1994
2000
Bb/F
null
null
Gold Brass
null
null
null
YSL-356R
Standard
1985
1994
Bb/F
null
null
null
null
null
null
YSL-356RE
Standard
1985
Current?
Bb/F
null
null
null
null
null
null
YSL-445G
Intermediate
1999
2001
null
null
null
null
Clear Lacquer
null
null
YSL-445G(G-LAC)
Intermediate
2001
Current
Bb
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Gold Brass, 1 Piece
Gold Lacquer
Standard
W-232R2
YSL-445GE
Intermediate
1999
Current
null
null
null
null
null
null
null
YSL-446G
Intermediate
1999
2001
null
null
null
null
Clear Lacquer
null
null
YSL-446G(G-LAC)
Intermediate
2001
Current
Bb/F
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Gold Brass, 1 Piece
Gold Lacquer
Standard
W-232R2
YSL-446GE
Intermediate
1999
Current
null
null
null
null
null
null
null
YSL-447G
Intermediate
1999
2001
null
null
null
null
Clear Lacquer
null
null
YSL-447G(G-LAC)
Intermediate
2001
Current
Bb
L, 13.89mm (0.547")
214.1mm (8 1/2")
Gold Brass, 1 Piece
Gold Lacquer
Standard
W-232R2
YSL-447GE
Intermediate
1999
Current
null
null
null
null
null
null
null
YSL-448G
Intermediate
1999
2001
null
null
null
null
Clear Lacquer
null
null
YSL-448G(G-LAC)
Intermediate
2001
Current
Bb/F
L, 13.89mm (0.547")
214.1mm (8 1/2")
Gold Brass, 1 Piece
Gold Lacquer
Standard
W-232R2
YSL-448GE
Intermediate
unknown
unknown
null
null
null
null
null
null
null
YSL-456A
Intermediate
2011?
0
null
null
null
null
null
null
Replaces YSL-456GJII, A = Australia
YSL-456G
Intermediate
0
Current
Bb/F
M, 12.70mm (0.500")
204.4mm (8")
null
null
null
null
YSL-456GJ
Intermediate - James Morrison
2000.04
0
null
null
null
null
null
null
null
YSL-456GJII
Intermediate - James Morrison
0
2010?
null
null
null
null
null
null
Replaces YSL-456GJ
YSL-548G(AL)
Intermediate - Allegro
1999
2003
null
null
null
null
null
null
null
YSL-548GO(AL)
Intermediate - Allegro
2003
Current
null
null
null
null
null
null
null
YSL-601
Professional
<1987
1987<
Bb/F
null
null
null
null
null
null
YSL-602
Professional
<1987
1987<
null
null
null
null
null
null
null
YSL-603
Professional
2001
2012
Bb/F
Dual, 13.00-13.59mm (0.512-0.535")
223.6mm (8 4/5")
Gold Brass
Clear Lacquer
Standard
W-232R2
YSL-610
Professional
2005
Current
Bb
L, 13.89mm (0.547")
214.1mm (8 1/2")
Yellow Brass, 2 Piece
Gold Lacquer
Standard
W-232R2
YSL-620
Professional
2005
Current
Bb/F
L, 13.89mm (0.547")
214.1mm (8 1/2")
Yellow Brass, 2 Piece
Gold Lacquer
Standard
W-232R2
YSL-630
Professional
2005
Current
Bb
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Yellow Brass, 2 Piece
Gold Lacquer
Standard
W-232R2
YSL-640
Professional
2005
Current
Bb/F
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Yellow Brass, 2 Piece
Gold Lacquer
Standard
W-232R2
YSL-641
Professional
<1974
1974<
Bb
L, 14.00mm (0.551")
214.1mm (8 1/2")
Red Brass
Clear Lacquer
1380g
null
YSL-6420
Professional
0
0
Bb/F
null
null
null
null
null
null
YSL-643
Professional
1969
1977
Bb/F
L, 14.00mm (0.551")
214.1mm (8 1/2")
Red Brass
Clear Lacquer
1610g
null
YSL-643R
Professional
1977
1984
Bb/F
null
null
null
null
null
Replaces YSL-643
YSL-645
Professional
1974
1995
Bb
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Yellow Brass
Clear Lacquer
null
null
YSL-645E
Professional
1995
2005
null
null
null
null
null
null
null
YSL-645S
Professional
1983
1995
Bb
ML, 13.34mm (0.525")
214.1mm (8 1/2")
Yellow Brass
Silver Plate
null
null
YSL-645SE
Professional
1995
2005
null
null
null
null
null
null
null
YSL-646
Professional
1976
1984
null
null
null
null
null
null
null
YSL-646E
Professional
1994
2005
null
null
null
null
null
null
null
YSL-646II
Professional
1984
1993
null
null
null
null
null
null
null
YSL-646S
Professional
1976
1984
null
null
null
null
null
null
null
YSL-646SE
Professional
1994
2005
null
null
null
null
null
null
null
YSL-646SII
Professioanl
1984
1993
null
null
null
null
null
null
null
YSL-647
Professional
1976
1995
Bb
ML, 13.89mm (0.547")
214.1mm (8 1/2")
Yellow Brass
Clear Lacquer
null
null
YSL-647E
Professional
1995
2005
null
null
null
null
null
null
null
YSL-647S
Professional
1977
1995
Bb
ML, 13.89mm (0.547")
214.1mm (8 1/2")
Yellow Brass
Silver Plate
null
null
YSL-647SE
Professional
1995
2005
null
null
null
null
null
null
null
YSL-648
Professional
1976
1984
null
null
null
null
null
null
null
YSL-648E
Professional
1994
2005
null
null
null
null
null
null
null
YSL-648II
Professional
1984
1993
null
null
null
null
null
null
null
YSL-648R
Professional
1984
1993
null
null
null
null
null
null
null
YSL-648RE
Professional
1994
2005
null
null
null
null
null
null
null
YSL-648S
Professional
1976
1984
null
null
null
null
null
null
null
YSL-648SE
Professional
1994
2005
null
null
null
null
null
null
null
YSL-648SII
Professional
1984
1993
null
null
null
null
null
null
null
YSL-651
Professional
<1974
1974<
Bb
M, 12.7mm (0.500")
204.4mm (8")
Red Brass
Clear Lacquer
1165g
null
YSL-653
Professional
1976
1984
null
null
null
null
null
null
null
YSL-653E
Professional
1993
1995
null
null
null
null
null
null
null
YSL-653II
Professional
1984
1993
null
null
null
null
null
null
null
YSL-653R
Professional
1985
1993
null
null
null
null
null
null
null
YSL-653RE
Professional
1993
1995
null
null
null
null
null
null
null
YSL-653S
Professional
1976
1984
null
null
null
null
null
null
null
YSL-653SE
Professional
1993
1995
null
null
null
null
null
null
null
YSL-653SII
Professional
1984
1993
null
null
null
null
null
null
null
YSL-681
Professional
1983
2005
null
null
null
null
null
null
null
YSL-681B
Professional
1991
2009.11
Bb
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass
Clear Lacquer
null
null
YSL-681G
Professional
1983
2005
Bb
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass
Clear Lacquer
null
null
YSL-681GL
Professional
1983
2005
Bb
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass
Clear Lacquer
null
L = Lightweight Slide
YSL-682
Professional
1983
2005
null
null
null
null
null
null
null
YSL-682B
Professional
1991
Discontinued
Bb/F
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
null
W-200RII (1994-97)
YSL-682G
Professional
1983
2005
Bb/F
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
null
W-200RII (1994-97)
YSL-682GL
Professional
1983
2005
Bb/F
L, 13.89mm (0.547")
214.4mm (8 1/2")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
null
L = Lightweight Slide, W-200RII (1994-97)
YSL-683
Professional
1985
2005
null
null
null
null
null
null
null
YSL-683G
Professional
1986
2005
Bb
ML, 13.34mm (0.525")
214.4mm (8 1/2")
Gold Brass
Clear Lacquer
null
null
YSL-683GL
Professional
1986
2005
Bb
ML, 13.34mm (0.525")
214.4mm (8 1/2")
Gold Brass
Clear Lacquer
null
L = Lightweight Slide
YSL-684
Professional
1985
2005
null
null
null
null
null
null
null
YSL-684G
Professional
1985
2005
null
null
null
null
null
null
null
YSL-684GL
Professional
1985
2005
null
null
null
null
null
null
L = Lightweight Slide
YSL-691
Professional
1985
2009.04
Bb
M, 12.9mm (0.508")
204.4mm (8")
Yellow Brass, 1 Piece, Hand Hammered
Gold Lacquer
Light
Lightweight Slide, 3 inter-changeable leadpipes, W-200RII (1994-97)
YSL-695
Professional
1985
2002
Bb
M, 12.7mm (0.500")
190.5mm (7 1/2")
Yellow Brass, 1 Piece, Hand Hammered
Gold Lacquer
Light
Lightweight Slide, 3 inter-changeable leadpipes, W-200RII (1994-97), YSL-697Z replaces
YSL-697Z
Professional - Z
2002
2012
Bb
Dual, 12.29-12.45mm (0.484-0.490")
190.4mm (7 1/2")
Yellow Brass, 1 Piece, Hand Hammered
Gold Lacquer
Standard
W-232R2
YSL-697Z(B)
Professional - Z
2011
2012
Bb
Dual, 12.29-12.45mm (0.484-0.490")
190.4mm (7 1/2")
Yellow Brass, 1 Piece, Hand Hammered
Black Lacquer
Standard
B = Black Laquer, Limited Edition
YSL-697Z(B)(P)
Professional - Z "Black Phoenix"
2011
2011
Bb
Dual, 12.29-12.45mm (0.484-0.490")
190.4mm (7 1/2")
Yellow Brass, 1 Piece, Hand Hammered
Black Lacquer
Standard
BP = Black Lacquer + Phoenix engraving. Ltd Ed. 50 only
YSL-820G
Custom
0
0
Bb/F
null
null
null
null
null
null
YSL-820GII
Custom
0
0
Bb/F
null
null
null
null
null
null
YSL-841
Custom
1982
1984
Bb
L, 14.00mm (0.551")
214.4mm (8 1/2")
null
null
null
null
YSL-8410
Custom (Japan only?)
1982
1984
Bb
L, 14.00mm (0.551")
214.4mm (8 1/2")
null
null
null
null
YSL-842
Custom
1982
1984
Bb/F
L, 14.00mm (0.551")
214.4mm (8 1/2")
null
null
null
null
YSL-8420
Custom
<1980's
1980's<
Bb/F
null
null
Yellow Brass
null
null
null
YSL-8420G
Custom
<1980's
1980's<
Bb/F
null
null
Gold Brass
null
null
null
YSL-8425G
Custom
<1980's
1980's<
Bb/F
null
null
null
null
null
null
YSL-8425R
Custom
<1980's
1980's<
Bb/F
null
null
null
null
null
null
YSL-843
Custom
0
0
Bb
ML, 13.34mm (0.525")
214.4mm (8 1/2")
null
null
null
null
YSL-8430
Custom
0
0
Bb
ML, 13.34mm (0.525")
214.4mm (8 1/2")
null
null
null
null
YSL-844
Custom
1982
1984
Bb/F
ML, 13.34mm (0.525")
214.4mm (8 1/2")
null
null
null
null
YSL-8440
Custom
1982
1984
Bb/F
ML, 13.34mm (0.525")
214.4mm (8 1/2")
null
null
null
null
YSL-851
Custom
1982
1984
Bb
M, 12.7mm (0.500")
204.4mm (8")
null
null
null
null
YSL-8510
Custom
1982
1984
Bb
M, 12.90mm
204.4mm (8")
Yellow Brass, 1 piece
Clear Lacquer
null
null
YSL-852
Custom
1982
1984
Bb/F
M, 12.7mm (0.500")
204.4mm (8")
null
null
null
null
YSL-8610
Custom (Japan only?)
0
0
null
null
null
null
null
null
null
YSL-881
Xeno
2004
Current
Bb
L, 13.89mm (0.547")
220.0mm (8 2/3")
Yellow Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
W-232R2
YSL-881G
Xeno
2004
Current
Bb
L, 13.89mm (0.547")
220.0mm (8 2/3")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
W-232R2
YSL-881U
Xeno 1 (Japan Only)
1995
2003?
Bb
null
null
null
null
null
null
YSL-881UG
Xeno 1 (Japan Only)
1995
2003?
Bb
null
null
null
null
null
null
YSL-881UGII
Xeno 2 (Japan Only)
1995
2003?
Bb
null
null
null
null
null
null
YSL-881UII
Xeno 2 (Japan Only)
1995
2003?
Bb
null
null
null
null
null
null
YSL-882
Xeno
2004
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Yellow Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
Standard Wrap
YSL-882B
Symphony
0
0
Bb/F
null
null
null
null
null
null
YSL-882G
Xeno
2004
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
Standard Wrap
YSL-882GO
Xeno
2004
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
O = Open Wrap
YSL-882GOR
Xeno
2009.12
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
O = Open Wrap, R = Reverse Tuning Slide, Balanced Rotor
YSL-882O
Xeno
2004
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Yellow Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
O = Open Wrap
YSL-882OR
Xeno
2009.12
Current
Bb/F
L, 13.89mm (0.547")
220.0mm (8 2/3")
Yellow Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
O = Open Wrap, R = Reverse Tuning Slide, Balanced Rotor
YSL-882U
Xeno 1 (Japan Only)
1995
2003?
Bb/F
null
null
null
null
null
null
YSL-882UG
Xeno 1 (Japan Only)
1995
2003?
Bb/F
null
null
null
null
null
null
YSL-882UGII
Xeno 2 (Japan Only)
0
0
Bb/F
null
null
null
null
null
null
YSL-882UII
Xeno 2 (Japan Only)
0
0
Bb/F
null
null
null
null
null
null
YSL-882V
Xeno
2008<
Current
Bb/F
L, 13.89mm (0.547")
216.0mm (8 1/2")
Yellow Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
null
YSL-882VG
Xeno
2008<
Current
Bb/F
L, 13.89mm (0.547")
216.0mm (8 1/2")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
null
YSL-891Z
Custom - Z
2009.03
Current
Bb
null
null
null
null
null
null
YSL-895EN
Custom - Eijiro Nakagawa
2007.12
Current
Bb
M, 12.90mm (0.508")
204.4mm (8")
Yellow Brass, 1 Piece, Hand Hammered
Gold Lacquer
null
null
YSL-897Z
Custom - Z
0
Current
Bb
null
null
null
null
null
null
YSL-897ZCA
Custom - Z
2012.1
Current
Bb
null
null
null
null
null
null
YSL-XT1
Intermediate
0
0
null
null
null
null
null
null
null

Bass Trombones

Model Number
Series / Range
Year Introduced
Year Discontinued
Key
Bore Size
Bell Diameter
Bell Material
Finish
Weight
Remarks
YBL-321
Standard
1969
1979
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
Red Brass
Clear Lacquer
1840g
Replaced by YBL-421G
YBL-322
Standard
1976
1984
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
null
null
null
null
YBL-322E
Standard
1984
1994
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
null
null
null
null
YBL-322R
Standard
1984
1993
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
null
null
null
null
YBL-322RE
Standard
1993
1994
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
null
null
null
null
YBL-421G
Intermediate
1994
Current
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
Gold Brass
Clear Lacquer
Standard
null
YBL-421GE
Intermediate
1994
?
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
Gold Brass
null
null
null
YBL-421GSE
Intermediate
1994
?
Bb/F
LL, 14.3mm (0.563")
241.0mm (9 1/2")
Gold Brass
Silver Plate
null
null
YBL-601
Professional
<1987
1987<
null
null
null
null
null
null
null
YBL-602
Professional
<1987
1987<
null
null
null
null
null
null
null
YBL-603
Professional
<1987
1987<
Bb/F
Dual, 13.00-13.59mm (0.512-0.535")
223.6mm (8 4/5")
Gold Brass with Kranz
Clear Lacquer
Standard
null
YBL-605
Professional
2001
2012.01
Bb/F/D/Gb
Dual, 13.89-14.3mm (0.547-0.563")
256mm (10")
Gold Brass
Clear Lacquer
Standard
null
YBL-611
Professional
1976
1985
Bb/F/Eb
LL, 14.3mm (0.563")
256mm (10")
null
null
null
null
YBL-611II
Professional
unknown
unknown
Bb/F/Eb
LL, 14.3mm (0.563")
256mm (10")
null
null
null
null
YBL-612
Professional
1976
1984
Bb/F/Eb
LL, 14.3mm (0.563")
256mm (10")
null
null
null
null
YBL-612 (#201619 < )
Professional
1984
1993
Bb/F/Eb
null
null
null
null
null
null
YBL-612II
Professional
1994
2001
Bb/F/Eb & Bb/F/D
LL, 14.3mm (0.563")
256mm (10")
Yellow Brass
Clear Lacquer
null
null
YBL-612R
Professional
1984
1993
null
null
null
null
null
null
null
YBL-612RII
Professional
1994
2001
Bb/F/Eb & Bb/F/D
LL, 14.3mm (0.563")
256mm (10")
Red Brass
Clear Lacquer
null
Replaced by YBL-620A?
YBL-613
Professional
1984
1995
null
null
null
null
null
null
null
YBL-613H
Professional
1995
2006
Bb/F/Eb/G & Bb/F/D/Gb
LL, 14.3mm (0.563")
241.0mm (9 1/2")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
D slide included, Heavy wall construction, W-200RII
YBL-613HEL
Professional
2005
2006
null
null
null
null
null
null
null
YBL-613HS
Professional
2005
2006
null
null
null
null
null
null
null
YBL-613R
Professional
1985
1995
null
null
null
null
null
null
null
YBL-620GE
Professional
2001
Current
Bb/F/D/Eb
LL, 14.3mm (0.563")
(9.5")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Standard
D Slides Included, Fixed Gold Brass Leadpipe
YBL-620GSE
Professional
2005
Current
Bb/F/D/Eb
LL, 14.3mm (0.563")
(9.5")
Gold Brass, 1 Piece, Hand Hammered
Silver Plate
Standard
D Slides Included, Fixed Gold Brass Leadpipe
YBL-621
Professional
1978
1985
Bb/F
LL, 14.3mm (0.563")
(9.5")
null
null
null
null
YBL-622
Professional
2001
2006
Bb/F/D
LL, 14.3mm (0.563")
(9.5")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
Heavy
null
YBL-622S
Professional
2005
2006
Bb/F/D
LL, 14.3mm (0.563")
(9.5")
Gold Brass, 1 Piece, Hand Hammered
Silver Plate
Heavy
null
YBL-8110G
Custom (Japan only?)
<1980's
1980's<
null
null
null
null
null
null
null
YBL-8130G
Custom (Japan only?)
<1980's
1980's<
Bb/F/Eb/G
LL, 14.3mm (0.563")
256mm (10")
Gold Brass, 1 Piece, Hand Hammered
Clear Lacquer
null
null
YBL-813UG
Xeno 1 (Japan Only)
1995
0
null
null
null
null
null
null
null
YBL-822G
Xeno
2006
Current
Bb/F/D
LL, 14.3mm (0.563")
(9.5")
Gold Brass
Clear Lacquer
null
Replaces YBL-622, removable second valve
YBL-830
Xeno
2006
Current
Bb/F/D/Gb
LL, 14.3mm (0.563")
(9.5")
Yellow Brass
Clear Lacquer
Light
null
YBL-830G
Xeno
2006
Current
Bb/F/D/Gb
LL, 14.3mm (0.563")
(9.5")
Gold Brass
Clear Lacquer
Light
null
YBL-XXX (Prototype F)
Custom
2004
2004
F
null
null
null
Clear Lacquer
null
Only 1 made for Douglas Yeo

Alto Trombones

Model Number
Series / Range
Year Introduced
Year Discontinued
Key
Bore Size
Bell Diameter
Bell Material
Finish
Weight
Remarks
YSL-671
Professional
1985
2008.04
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.8mm (7 1/8")
Yellow Brass
Clear Lacquer
null
Yamaha.US
YSL-671T
Professional
1985
2008.04
Eb/D
Dual, 11.95-12.45mm (0.470-0.490")
181.8mm (7 1/8")
Yellow Brass
Clear Lacquer
null
Replaced by YSL-871, Semitone Trill Valve
YSL-673
Professional
<1994
1997<
Eb
Dual, 12.29-12.70mm (0.484-0.500")
181.8mm (7 1/8")
Gold Brass
Raw Brass
null
null
YSL-871
Custom
0
Current
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
null
null
null
null
YSL-871
Custom
1982
1985
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.00mm (7 1/8")
null
null
null
null
YSL-8710
Custom (Japan only?)
0
0
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
null
null
null
null
YSL-8710H
Custom (Japan only?)
0
0
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
Heckel metal
null
null
H = Heckel metal used throughout
YSL-8710K
Custom (Japan only?)
0
0
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
Kuhn metal
null
null
K = Kuhn Metal used throughout.
YSL-872
Custom
0
Current
Eb/D
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
null
null
null
null
YSL-8730H
Custom
<1990's
1990's<
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
Heckel metal
Clear Lacquer
null
H = Heckel Metal used throughout.
YSL-8730K
Custom
<1990's
1990's<
Eb
Dual, 11.95-12.45mm (0.470-0.490")
181.80mm (7 1/8")
Kuhn metal
Clear Lacquer
null
K = Kuhn Metal used throughout.