Monitoring
Klein & Hummel 098 - 3 way active with additional subwoofer
SM Pro M-Patch 2 – passive volume control

Analog Dynamics
Varimu Mastering Compressor - custom build 100% tube compressor
BFE/Filtek SB-3 - German broadcasting limiters (4x)
A.R.T. PRO VLA - hybrid opto compressor (modified incl variable tube drive)
currently we are building another 2 completely different mastering compressors

Analog Equalizers
SPL Stereo Q 2048 - parametric 5 band EQ
Telco High/Low/Bandpass filter - german 80's laboratory filter (modified)
A.R.T. IEQ - digitally controlled analog EQ with TV-monitor
currently we are building 2 completely different mastering equalizers

Character Tools
Custom tube processing (incl a dozen tubes and several transformers)
Siemens V274 - vintage german line amps
Neumann/Haufe/Lundahl audio transformers (modified)
Peavey VMP-2 tube mic/line preamp (modified)
Bellari RP220 mic/line preamp (modified)

Digital Tools
Sonifex RB-ADDA - AD/DA converter
Lynx Studio Technology TWO-A – AD/DA converter
Universal Audio UAD-1 – incl Mastering/Precision series, Pultec and Fairchild plugins
DDMF, Voxengo, Sony and Kjaerhus plugins
Samplitude 10
Reaper
Sony CD Architect
Plextools
Custom made silent PC (incl Plextor burner)

Varia
Acoustic treated room
Tubes:Telefunken, Siemens, Mullard, Philips, Valvo, Brimar, RFT, Tesla, JJ, etc.
Transformers: Carnhill, Marinair, Lundahl, UTC, Sowter, Pikatron, Haufe, etc.
Cables: Van Den Hul, Monster, Canare and Tasker
Large collection of obscure (and modified) vintage tube based test equipment