About $25K Australian over some 35 years - my studio is also sometimes used for live gigs - i.e. some parts are "portable", being in their own rack cases
E-16 1/2" 16 -track tape
A-77 1/4" 2-track tape
Mackie Onyx24.8 (->2->1) mixer
Mackie Control ca. 95
No-name 24->8->2->1 mixer
Multipe multi-gates
multiple multi-compressors
Multiple multi-fx
DEQ x 2
GEQ 31 band stereo
GEQ 31 band mono
Parametric eq x 4
patchbays x 15
several other mixers for sub-mixing and live mixing
U110 x 2
U220
FB01
TX81Z x 2
SP555
akai sound module
SC55
multiple guitars
multiple basses
saxes
trumpet
trombone
flute
Electronic wind instrument (MIDI controller in a clarinet-sax style profile)
61 key keyboard
Tascam US2400 control surface
Maschine original
BR8 x 2
Power amps
guitar amps x 3
bass amps x 2
multiple speaker enclosures including - pa columns, pa trap boxes, wedges, subs x 2, other PA enclosures
guitar effects - some 20 different
DJ setup with cd controllers and multiple channel mixer
dell GX620 tower with 4gb ram and running both XP sp3 32 bit and XP 64 bit - multiple hard drives 1TB, 2TB
dell GX620 sff with 4gb ram and running XP sp3 32 bit 1TB
dell gx260 with 2gb ram running 98Se (for mackie control software)
Cubase Studio 5.5.3
FL 10
Reason 4, 5, 6.5 and Record 1 and 1.5
Komplete 5,
Komplete 6,
Komplete 8
BiaB 2012
Garritan Personal Orchestra 4, Jazz and Big Band 3, Concert and Marching Band 2
Miroslav Philharmonick
Sample tank
Sample moog
Sampletron
Sonick synth
Amplitube 3
Guitar Rig Controller and Guitar Rig 5
Cabling including multicores, patch cables, speaker cables, etc......