reviewed in Bass-Musician-Magazine 12/2007
reviewed in Bajistas 18/2006
reviewed in Gitarre&Bass 1/2003
reviewed in Gitarre&Bass 11/1999

JC4 AL/M2 | reviewed in BassQuarterly 4/2009
JC4 AL/M2, JC4 HE, JMVC4 FE | reviewed in Bassprofessor 1/2008
JC4 AL/M2 | Bass: Kost F-Type Retro | reviewed in Bassprofessor 4/2007
JMVC6 FE custom | Bass: Clover Apeiron Classic.6 | reviewed in Gitarre&Bass 10/2006
JC6 HE | Bass: Clover Xpression XP 15.6 | reviewed in Gitarre&Bass 3/2004
JMVC5 FE | Bass: Human Base JbX | reviewed in Bassprofessor 2/2002
JC4 HE | Bass: Sandberg R.W. Tubemachine | reviewed in Bassprofessor 2/2002
JC4 HE | Bass: Thomas Keller Hollow Hybrid JB™ | reviewed in Gitarre&Bass 12/2002
JMVC5 FE | Bass: Human Base JbX | reviewed in Gitarre&Bass 12/2001
JC5 HE | Bass: Bassline InCognito 5 | reviewed in Bassprofessor 3/2001
JMVC4 FE | Bass: Sandberg Bullet | reviewed in Gitarre&Bass 1/2001
JMVC4 FE | Bass: Clover Apeiron 4string | reviewed in Gitarre&Bass 6/2000
JMVC4 FE | Bass: Clover Apeiron 4string | reviewed in Bassprofessor 3/2000
JC4 HE/DJC4 HE | Bass: Clover Xpression PR II | reviewed in Gitarre&Bass 3/1999

JMVC4 FE/MC4 FE | Bass: Clover Xpression XP 15.4 | reviewed in Guitarist 11/2007
JMVC5 FE/MC5 FE/J | Bass: Clover Xpression XP 15.5 | reviewed in Australian Guitar 10/2007
JMVC5 FE/MC5 FE | Bass: Sandberg California eX5plus | reviewed in Gitarre&Bass 11/2006
JMVC4 FE/MC4 FE | Bass: Clover Xpression XP15.4 | reviewed in Gitarre&Bass 11/2005
JMVC4 FE/MC4 FE | Bass: Clover Xpression XP 15.4 | reviewed in Gitarre&Bass 4/2002
JMVC5 FE/MC5 FE/J | Bass: Clover Xpression XP 15.5 | reviewed in Bassprofessor 1/2002

PMVC5 FE-M2/MC5 FE | Bass: Sandberg Basic PM | reviewed in Bassplayer 04/2006
PMVC4 FE/MC4 FE | Bass: Sandberg Basic S. Neuhardt | reviewed in Bassprofessor 1/2003

MC5 FE | Bass: Human Base X OC.5 | reviewed in Guitar World Magazine 6/2007
MC4 HE | Bass: Marleaux Consat Straight | reviewed in Gitarre&Bass 11/2003
MC4 AL | Bass: Sandberg Basic "Ken Taylor" | reviewed in Bassprofessor 1/2001
MC5 HE | Bass: Marleaux Consat Straight | reviewed in Bassprofessor 1/2000
MC4 FE | Bass: Human Base X-over | reviewed in Bassprofessor 3/1999
MC4 FE | Bass: Human Base X-over | reviewed in Gitarre&Bass 5/1999

SBC5 HE/S-4 | Bass: Boerjes Groover 5 | reviewed in BassQuarterly 3/2009
SBC5 HE/S | Bass: Marleaux Consat Classic 5 | reviewed in Bassprofessor 4/2007
SBC6 HE/S | Bass: Sandberg Bullet Special | reviewed in Bass Guitar Magazine 06/2006
SBC5 HE/S | Bass: Clover XP 15.5 fretless | reviewed in Gitarre&Bass 5/2003
SBC7 HE/S-4 | Bass: Magnus Guitars Sharkey VII | reviewed in Gitarre&Bass 11/2002
SBC6 HE/S-4 | Bass: Clover Xpression XP 15.4 | reviewed in Gitarre&Bass 8/2002
SBC5 HE/S | Bass: Clover Xpression Artwood | reviewed in Gitarre&Bass 1/2001

JSBC 4 HE | Bass: Clover Avenger.4 | reviewed in Gitarre&Bass 1/2009
JSBC 5 HE | Bass: Bee Bass | reviewed in Bass-Musician-Magazine 8/2008
JSBC 6 HE | Bass: Clover Avenger.6 | reviewed in Gitarre&Bass 2/2008
JSBC 5 HE | Bass: Clover Avenger.5 | reviewed in Bassprofessor 1/2008
JSBC 5 HE | Bass: Clover Avenger.5 | reviewed in Bass Guitar magazine 11/2007
JSBC 5 HE | Bass: Clover Avenger.5 | reviewed in Gitarre&Bass 6/2007

TheHybrid | Bass: Clover Apeiron H.5 | reviewed in Guitar Club 10/2007
TheHybrid | Bass: Clover Apeiron HP.5 | reviewed in Bassprofessor 02/2007
TheHybrid | Bass: Marleaux Consat | reviewed in Gitarre&Bass 12/2006
TheHybrid | Bass: Clover Apeiron H.4 | reviewed in Bassprofessor 02/2006
TheHybrid | Bass: Clover Apeiron H.5 | reviewed in Gitarre&Bass 04/2006
TheHybrid | Delano | reviewed in Gitarre&Bass 03/2006

TheXtender5 HE/S | Bass: Human Base Roxy B5 | reviewed in Guitar World Magazine 1/2010
TheXtender4 HE/S | Bass: Human Base Roxy B4 | reviewed in Gitarre&Bass 1/2010
TheXtender5 HE/S | Bass: Human Base Roxy B5 | reviewed in Gitarre&Bass 1/2010
TheXtende5 HE | Bass: Marleaux Votan | reviewed in BassQuarterly 4/2009
TheXtender HE & D | all versions | reviewed in Gitarre&Bass 11/2009
TheXtender4 HE/S | Bass: Human Base Roxy B4 | reviewed in Bassplayer 11/2009
TheXtender5 HE | Bass: Clover Argo 5.1 Fretless | reviewed in BassQuarterly 1/2009
TheXtender5 HE & D/S | Bass: Clover Argo 5.2 | reviewed in Bassprofessor 4/2008
TheXtender5 HE | Bass: Clover Argo 5.1 | reviewed in Gitarre&Bass 10/2008
TheXtender5 HE | Bass: Marleaux Votan | reviewed in Bassprofessor 2/2008
TheXtende5 HE | Bass: Marleaux Votan | reviewed in Gitarre&Bass 4/2008