The following are the envelope parameters from the E-mu ESI4000, enjoy!

Settings for 002 Hanson piano; 003 Hanson forte; 004 Hanson pf Xsw:

VCA
Attack= 0.00s
Hold= 2.92s
Decay= 23.50s
Sustain=0%
Release= 1.56s

VCF
Not used

005 Hanson 717a:

VCA
Attack= 0.00s
Hold= 2.01s
Decay= 26.54s
Sustain= 0%
Release= 1.04s

VCF
Type= 4 Pole Lowpass
Cutoff= 45213Hz
Q= 0%
Tracking= +0.00
Envelope amount= +25%
Attack= 0.00s
Hold= 0.28s
Decay= 5.64s
Sustain= 0%
Release= 14.70

Settings for 006 Ladbrooke 717:

VCA
Attack= 0.00s
Hold= 2.01s
Decay= 15.56s
Sustain= 0%
Release= 1.04s

VCF
Type= 4 Pole Lowpass
Cutoff= 21480Hz
Q= 0%
Tracking= +0.00
Envelope amount= +25%
Attack= 0.00s
Hold= 0.28s
Decay= 30.06s
Sustain= 0%
Release= 14.70s

Settings for 007 Hanson 717b:

VCA
Attack= 0.00s
Hold= 2.09s
Decay= 26.54s
Sustain= 0%
Release= 1.04

VCF
Not used.