RIVERS
PRE-1992
*
BRIAN
PRE-1992
N/A
SCOTT
PRE-1992
N/A
PAT
PRE-1992
JASON
PRE-1992
MATT
PRE-1992
MIKEY
PRE-1992
N/A
RIVERS
1992
*
BRIAN
1992
N/A
SCOTT
1992
N/A
PAT
1992
*
JASON
1992
*
MIKEY
1992
N/A
RIVERS
1993
SIGNED
*
BRIAN
1993
N/A
SCOTT
1993
N/A
PAT
1993
SIGNED
*
JASON
1993
SIGNED
*
MATT
1993
SIGNED
*
MIKEY
1993
N/A
RIVERS
1993
BLUE
*
BRIAN
1993
BLUE
*
SCOTT
1993
N/A
PAT
1993
BLUE
*
JASON
1993
BLUE
MATT
1993
BLUE
*
MIKEY
1993
N/A
RIVERS
1993
AFTER
BLUE
*
BRIAN
1993
AFTER
BLUE
*
SCOTT
1993
N/A
PAT
1993
AFTER
BLUE
JASON
1993
AFTER
BLUE
MATT
1993
AFTER
BLUE
MIKEY
1993
N/A
RIVERS
1994
LUSH
TOUR
*
BRIAN
1994
LUSH
TOUR
*
SCOTT
1994
N/A
PAT
1994
LUSH
TOUR
JASON
1994
N/A
MATT
1994
LUSH
TOUR
MIKEY
1994
N/A
RIVERS
1994
LIVE
TOUR
*
BRIAN
1994
LIVE
TOUR
*
SCOTT
1994
N/A
PAT
1994
LIVE
TOUR
*
JASON
1994
N/A
MATT
1994
LIVE
TOUR
MIKEY
1994
N/A
RIVERS
1995
EUROPE
*
BRIAN
1995
EUROPE
SCOTT
1995
N/A
PAT
1995
EUROPE
JASON
1995
N/A
MATT
1995
EUROPE
MIKEY
1995
N/A
RIVERS
1995
SPR/SUM
TOURING
*
BRIAN
1995
SPR/SUM
TOURING
*
SCOTT
1995
N/A
PAT
1995
SPR/SUM
TOURING
*
JASON
1995
N/A
MATT
1995
SPR/SUM
TOURING
*
MIKEY
1995
N/A
RIVERS
1995-
1996
*
BRIAN
1995-
1996
SCOTT
1995-96
N/A
PAT
1995-
1996
*
JASON
1995-96
N/A
MATT
1995-
1996
*
MIKEY
1995-96
N/A
RIVERS
1996
EUROPE
*
BRIAN
1996
EUROPE
SCOTT
1996
N/A
PAT
1996
EUROPE
JASON
1996
N/A
MATT
1996
EUROPE
MIKEY
1996
N/A
RIVERS
1996
USA
BRIAN
1996
USA
*
SCOTT
1996
N/A
PAT
1996
USA
JASON
1996
N/A
MATT
1996
USA
MIKEY
1996
N/A
RIVERS
1997
USA
BRIAN
1997
USA
SCOTT
1997
N/A
PAT
1997
USA
JASON
1997
N/A
MATT
1997
USA
MIKEY
1997
N/A
RIVERS
1997
SUMMER
BRIAN
1997
SUMMER
*
SCOTT
1997
N/A
PAT
1997
SUMMER
JASON
1997
N/A
MATT
1997
SUMMER
*
MIKEY
1997
N/A
RIVERS
1997
JAPAN
*
BRIAN
1997
JAPAN
SCOTT
1997
N/A
PAT
1997
JAPAN
JASON
1997
N/A
MATT
1997
JAPAN
MIKEY
1997
N/A
RIVERS
1997-
1998
BRIAN
1997-
1998
SCOTT
1997-98
N/A
PAT
1997-
1998
JASON
1997-98
N/A
MATT
1997-
1998
MIKEY
1997-
1998
RIVERS
1998
BRIAN
1998
SCOTT
1998
N/A
PAT
1998
JASON
1998
N/A
MATT
1998
N/A
MIKEY
1998
RIVERS
1999
N/A
BRIAN
1999
N/A
SCOTT
1999
N/A
PAT
1999
N/A
JASON
1999
N/A
MATT
1999
N/A
MIKEY
1999
N/A
RIVERS
1999-
2000
N/A
BRIAN
1999-
2000
N/A
SCOTT
1999-
2000
N/A
PAT
1999-
2000
*
JASON
1999-
2000
N/A
MATT
1999-
2000
N/A
MIKEY
1999-
2000
*
RIVERS
2000
*
BRIAN
2000
*
SCOTT
2000
N/A
PAT
2000
*
JASON
2000
N/A
MATT
2000
N/A
MIKEY
2000
*
RIVERS
2000-
2001
*
BRIAN
2000-
2001
*
SCOTT
2000-01
N/A
PAT
2000-
2001
JASON
2000-01
N/A
MATT
2000-01
N/A
MIKEY
2000-
2001
*
RIVERS
2001
OUTLOUD
TOUR
*
BRIAN
2001
OUTLOUD
TOUR
*
SCOTT
2001
N/A
PAT
2001
OUTLOUD
TOUR
*
JASON
2001
N/A
MATT
2001
N/A
MIKEY
2001
OUTLOUD
TOUR
*
RIVERS
2001
JAPAN
TOUR
BRIAN
2001
JAPAN
TOUR
SCOTT
2001
N/A
PAT
2001
JAPAN
TOUR
JASON
2001
N/A
MATT
2001
N/A
MIKEY
2001
JAPAN
TOUR
RIVERS
2001
HOOPTIE
TOUR
*
BRIAN
2001
HOOPTIE
TOUR
*
SCOTT
2001
N/A
PAT
2001
HOOPTIE
TOUR
*
JASON
2001
N/A
MATT
2001
N/A
MIKEY
2001
HOOPTIE
TOUR
*
RIVERS
2001
EUROPE
TOUR
*
BRIAN
2001
EUROPE
TOUR
*
SCOTT
2001
N/A
PAT
2001
EUROPE
TOUR
JASON
2001
N/A
MIKEY
2001
EUROPE
TOUR
*
RIVERS
2001
MIDGET
TOUR
*
BRIAN
2001
MIDGET
TOUR
*
SCOTT
2001
MIDGET
TOUR
*
PAT
2001
MIDGET
TOUR
*
JASON
2001
N/A
MATT
2001
N/A
MIKEY
2001
N/A
RIVERS
2001
EX-M
TOUR
*
BRIAN
2001
EX-M
TOUR
*
SCOTT
2001
EX-M
TOUR
*
PAT
2001
EX-M
TOUR
*
JASON
2001
N/A
MATT
2001
N/A
MIKEY
2001
N/A
RIVERS
2001-
2002
BRIAN
2001-
2002
SCOTT
2001-
2002
PAT
2001-
2002
*
JASON
2001-02
N/A
MATT
2001-02
N/A
MIKEY
2001-02
N/A
RIVERS
2002
HYPER EX
M TOUR
*
BRIAN
2002
HYPER EX
M TOUR
*
SCOTT
2002
HYPER EX
M TOUR
*
PAT
2002
HYPER EX
M TOUR
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
EUROPE
*
BRIAN
2002
EUROPE
*
SCOTT
2002
EUROPE
*
PAT
2002
EUROPE
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
DUSTY
WEST
*
BRIAN
2002
DUSTY
WEST
*
SCOTT
2002
DUSTY
WEST
*
PAT
2002
DUSTY
WEST
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
JAPAN
*
BRIAN
2002
JAPAN
*
SCOTT
2002
JAPAN
*
PAT
2002
JAPAN
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
DEMOS
BRIAN
2002
DEMOS
SCOTT
2002
DEMOS
PAT
2002
DEMOS
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
ENLIGHT.
TOUR
BRIAN
2002
ENLIGHT.
TOUR
SCOTT
2002
ENLIGHT.
TOUR
PAT
2002
ENLIGHT.
TOUR
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2002
JAPAN/UK
TOUR
*
BRIAN
2002
JAPAN/UK
TOUR
*
SCOTT
2002
JAPAN/UK
TOUR
*
PAT
2002
JAPAN/UK
TOUR
*
JASON
2002
N/A
MATT
2002
N/A
MIKEY
2002
N/A
RIVERS
2003
BRIAN
2003
SCOTT
2003
PAT
2003
*
JASON
2003
N/A
MATT
2003
N/A
MIKEY
2003
N/A
 
Matt started out in Weezer with some gear that he later called "awful and embarrassing". His amp (actually a perfectly good amp) was a Gallien-Kruger 800RB (same as Mikeys first amp, by the way). He had it since he was a teenager and it served him well right up through the mid 90's Rentals era. Where it is today is unknown. His first cabinet was a P.A.S. 2 piece cabinet, with the 18" speaker in one unit and the 2x10" in a separate part. This was a bad cabinet. It sounded crappy.

Matt's first bass in Weezer was a holdover from earlier times, a 5 string Hamer "Chapparel", with the paint stripped off and the whammy bar removed. He soon dumped this unceremoniously and returned to his old teenage bass which was slightly more ready to rock: a Hamer "Explorer" style bass, whose model name is unknown. He painted it crazy swirly green and glued cut out "w-e-e" letters all over it, which were clipped from extra weezer show flyers. Later this bass was traded away for an amazing bass neck made by Warmouth. Later still one of the 'explorer horns' was chopped clean off. (see photo). Before the trade, Matt went through a number of borrowed basses, trying to get closer to what he wanted. He used a cheap black Squire Jazz bass copy (Rivers's), an early 60's sunburst Fender P-Bass (Justin's of Nerf Herder), and a Gibson Ripper (Brian's, of Black Market Flowers).

Matt then bought a new Jerry Jones hollow body 'longhorn' bass, in celeste green. Unfortunately he soon found out that it wasnt useful in live performance, as it wasnt possible to intonate it to "E Flat" tuning, and thus had to be tuned to E Flat 'against its will'. So it went out of tune fast. This is when Matt made the trade for the Warmouth neck. This is a Telecaster Bass style neck, but a little different. A similar but not identical model is still made, but this particular one was an early model and made from a very interesting swirly kind of darker wood, that newer ones just dont have. Though the trade recipient got the whole explorer Hamer for the neck, he was still quoted as saying "youre ripping me off!". The neck was that nice! This neck was grafted onto a vintage black Fender Jazz Bass body he got as a gift from Johnny of El Magnifico. Matt got some Scheckter pickups and the "Frankenstein" bass was complete.