Name: AkAbak
Computer: Microsoft Windows 3.1
Distributor: Panzer & Partner
Programmer: Joerg W. Panzer
Agent:
Bang-Campbe 1 1 Associates
Price: US$950
Description: AkAbak simulates electroacoustical networks by a modular
system. With the AkAbak script-driven input system, you can describe and document even
complicated acousticalmodels.AkAbak comprises abstract filters and feedback units,
electroacoustic drivers, as well as electrical and acoustic devices (eg. Duct, Enclosure,
Horn, etc.). The simulation displays the impulse response of the sound pressure and power,
directivity, as well as network potentials and flows. AkAbak solves the radiation problem
by numerical integration of the radiation spheres of diaphragms and horns. This allows
highperformance analysis, even in the upper frequency range. AkAbak's utilities include:
synthesis of passive networks up to 30th order, including coil losses, design tool for
highpass filtered vented boxes, parameter determination for dynamic and piezo drivers. A
full function demo version and site licensing is available.
Name: BassBox 5.1
Computer: Microsoft Windows 3.1 with 386SX or better CPU.
Distributor: Harris Techno1ogies, old Colony Sound Lab, Audiosoft
Price: US$99
Description Low-frequency loudspeaker enclosure design program. Accepts
both Thiele-Small (Fs, Qts, Vas, No) and electromechanical parameters (Qes, Qms,
Cms, Mms, Rms, BL), and can convert between the two types of parameters. Box design types: maximally
flat vented box with Q1 adjustment, custom vented box. 4th and 6th order bandpass vented
boxes (including one which oorts rear chamber into front chamber), passive radiator box,
optimum closed box, custom closed box, 3 multiole woofer boxes. Design options: small and
large signal analysis, examine one speaker in several different boxes. Examine several
different speakers in the same box, manual override available for vented box tuning,
multiple ports, box dimension calculator with 15 different volume shapes, enter speaker
amplitude (acoustic response), use English or metric units, vent dimension calculator with
various end correction options, save and recall designs. Graohs include: normal ized sound
pressure amplitude, sound pressure amplitude referenced to 2.83V, phase response, group
delay, acoustic power, and impedance. Graphs can be saved in memory for later recall, and
can be overlaid for printing. Includes test procedures to test and calculate speaker and
passive radiator parameters (some basic test equipment is required to use this feature). A
user-extensible driver database (now with over 1800 drivers) is included, and the
program
makes extensive use of on-line help.
Name: BoxModel 1.0 for Windows
Computer: Microsoft Windows
Distributor: old Colony Sound Lab
Programmer: Robert Bullock, Robert White (both contactable by email)
Price: US$75
Description: Assumed to include main features of the DOS edition, plus
aperiodic loading.
Name: Boxplot 2.0
Computer: Microsoft Windows 3.x
Distributor: Sparta Sound Company
Programmer: Rick Car1son
Price: US$25
Description: Designs closed and vented enclosures using
Thiele-Small
parameters. Includes filter assisted designs and vent calculator. Plots sound pressure
response.
Name: CALSOD 3.10
Computer: MSDOS
Distributor: Audiosoft
Price: US$ 320
Agent: Harmonic Design GmbH, S0nic Design AB, Munro Associates. ME
Technologies, Marton Music
Description: CALSOD 3.10 can model complete multiway (two-way,
Three-way, four-way, etc) loudspeaker systems.Features include minimumphase curve-fitting
techniques enabling accurate siniulations of driver sound pressure and impedance
responses to be created, including phase response that is important in crossover
network
design, siniulat ion of sound pressure and impedance response for vented, sealed,
passive-radiator, fi1ter-assisted and bandpass low-frequency alignments, the designer can
specify the positions of drivers on The baffle for accurate simuilation of effects on
summed response caused by interdriver time delays to the listening position, optimization
of completely general user-defined pass ive and active crossover networks with up to 60
components, standard filter target functions for LinkwitzRiley, Butterworth, Bessel,
constant voltage and userdefined designs, curvefitting optimizer for quickly creating
sound pressure models of driver response, curvefitting optimizer for creating impedance
response models, curvefit opt imizer for esiimating driver Thiele-Small parameters
(Qes, Qms, Qts, Fs Vas, BI, Mms, Cms, etc) from experimental data using added-mass or box
10ading techniques, driver Thiele-Small parameters can also bc estiniated using a single
measurement of the driver impedance when mounted in a vented-box of known volutoe and
arbitrary tuning, driver impedance models use frequency dependent voice-coil inductance
and resistance, parameters which can be automatically determined by the impedance
curve-fit optimizer and Thiele-Small parameter estimator, automatic dcr calculation for
air-cored inductors; piston approximation for driver models to simulate off-axis radiation
characteristics, specify orientation of the principal radiation axis of each individual
driver model used in the loudspeaker system, import measurement files from MLSSA, IMP,
Audiosuite, CLIO, SYSid, System one, AIRR, PC Audio Lab, AMSPC, and LMS analyzers, with
support for SPL optimization using up to 5 observation points to account for off-axis
radiation characteristics, simulation of the step in the sound pressure response caused by
diffraction of sound around the baffie, simulation of the effects of floor reflections on
the sound pressure response by setting up a system of loudspeaker sources and images,
simulation of room gain effects on low-frequency response, modelling of linear arrays.
Plots include impedance of each individual loudspeaker driver, input impedance of the
crossover network and loudspeaker combination, voltage transfer function of each filter
when it is loaded by its driver, filtered and unfiltered sound pressure response of each
loudspeaker driver included in the system, desired target acoustic response function and
target impedance function loudspeaker system, including the response at up to five
different observation points, magnitude and phase response plots can be presented on a
linear frequency scale to allow the linear-phase behaviour of the loudspeaker system to be
easily assessed. The program comes with an extensive printed user's manual with detailed
tutorial examples. Formulas are provided for determining initial crossover component
values for Butterworth, LinkwitzRiley, and Bessel filters.
Name: CALSOD 3.10
Budget edition
Computer: MS-DOS
Distributor: Audiosoft
Price: US$270Agent: old Colony Sound Lab, Sonic Design AB, ME
Technologies, Marton Music
Description : The budget edition of CALSOD 3.10 has identical features
and capabilities as the full-priced edition. However, the user's manual is supplied as a
set of filet on floppy disk, and it must be printed by the user before use. The files are
provided in Windows Write 3.1 format, Word for Windows 2.0 format, and plain formatted
ASCll text files.
Name: Loudspeaker Analysis and Design
Program (LADP) for Windows
Computer: Microsoft Windows 3.1
Distributor: old Colony Sound Lab .
Price: US$135
Description: LADP performs
toodelling, small signal analysis, and
design of ported (standard or isobarik, and 6th-order active filtered) , Sealed (standard
or isobarik, and 4th-order acfive filtered), passive radiator, bandpass, tubed, and
hornloaded enclosures, Bandpass enclosures (4th to 7th order) can be designed and effects
of changing the fron and/or rear volume can be examined. Large signal analysis is provided
for ported (standard, series isobarik, or parallel isobarik), sealed enclosures. An active
highpass filter (1st to 4th order) can be used to act as an infrasonic filter. Port
dimension calculation for all designs and one to four ports is available. LADP can also
design highpass and lowpass filters (lst to 4th order), including Bessel,
Butterworth, Linkwitz-Rilely, Chebyshey, and Legendre-Papoulis. Bandpass filters of order one or two
can be constructed for all above types except Bessel. UP to three filter responses at a
time can be displayed, including the phase angle. P0lar plots of loudspeaker response are
available in the +/- 90 degree range. Some basic archi tectural acoustics analysis can be
undertaken, including room reverberation, impulse response, and room modal distribution.
on-line help is provided to supplement information for each dia10g box. It also
contains
helpful hints for designing, building, and testing enclosures and crossovers, as well as
general car stereo information.
Name: LEAP 4.56 (Loudspeaker Enclosure
Analysis Program)
C0mputer : MS-DOS
Distributor: LinearX Systems Inc
Programmer: Chris Strahm
Price: US$249-US$895
Description: LEAP contains a wide assortment of capabilities that
pertain to transducer design, enclosure design, passive network design, active filter
design, as well as complete system design. Importing and exporting of data is supported in
a variety of formats. Graphs include SPL on-axis response, SPL power response, transducer
impedance, network input impedance, port air velocities, transducer excursion, and filter
transfer functions. Modelling of sealed or vented highpass and bandpass enclosures,
including mutual coupling between multiple ports and drivers, as well as non-linear port
effects is supported. Includes a built-in utility for Speaker parameter determination from
impedance measurements, and parameter correlation check. Driver voice-coi1 impedance
models include frequency dependent resistive and reactive components. An extensive driver
library is provided, which can also be updated and expanded by the user, LEAP data can be
exported to other loudspeaker CAD programs such as CALSOD. A demo is available by
anonymous ftp, and there is also a Web site (see address details listed elsewhere).
Name: ProBox 5.0
Computer: Microsoft Windows 3.1
Distributor: National Academy of Mobile Electronics
Price: US$100
Description: Calculates configurations from sealed enclosures to
triple-cavity iso-vent enclosures. Other features include full color plots, view multiple
box designs, view multiple response curves, IASCA wire calculator, breakdown of shapes and
sizes in a cut sheet diagram, database to store box designs.
Name: Speakerphile 1.0
Computer: Microsoft Windows 3.1
Distributor: Acoustical Supply international
Price: US$ 395
Description Speakerphile is a database for use by loudspeaker
designers. It includes a component database with information on woofers, tweeters,
compression drivers, horns, passive crossovers, cabinet hardware, design software, and
measurement equipment. Data on drivers includes electromechanica1
specifications,Thiele-Small parameters icone and voice coil specifications, magnet data,
mounting information, coverage patterns and design recommendations. A source database
includes contact information for manufacturers, distributors, and sales representatives.
Gueries and searches can be carried out on any information in the database. A reference
section contains acoustic, electronic, and speaker design formulas, as well as cabinet
construction tips. Utilities provide unit conversions and other calculations useful in
speaker design. File import/export facilities are included.
Name: Speaker System Designer 4. 2
Computer : MS-DOS & Microsoft Windows 3.1
Distributor: ME Technologies, old Colony Sound Lab
Programmer: Bodzio Software
Price: US$110 to US$210
Description: The program enables the designer to create, then to
evaluate, and finally to optimize 2 or 3 way loudspeaker systems. During the enclosure
design phase, loudspeaker drivers may be interchanged for quick comparison. The effects of
variations in driver parameters may be evaluated using parametric family plots. Driver
compensation and crossover filter designs are supported. Room boundary reflections from
three planes can be simulated. A crossover component optimizer works on individual
driver/filter combinations with up to 12 variable components. The program accepts
electromechanical parameters and the magnitude of the sound pressure response for
individual drivers, which is entered at 100 discrete frequencies (separately selected for
woofer, midrange, and tweeter). Also includes:inductor calculator, L-pad calculator, round
vent calculator.Zobel network calculator, series LRC calculator, and an impedance peak
suppressor.
Name: WinSpeakerz 95
Computer: Windows 95
Distributor: True lmage Audio
Price: US$299
Description: Similar features to
MacSpeakerz, letting you determine
driver performance in various enclosure types. Calculators allow you to design passive
crossovers, impedance compensat ion networks, and attenuators.
Name: X-over 2.0
Computer: Microsoft Windows 3.1 with 386SX or better CPU.
Distributor: Harris Technologies
Price: US$29
Description: X-over calculates the component values for 1st-order to
4th-order 2-way and 3-way crossover networks, load compensating networks, and L-pads.
Name: LspCAD 3.10
Computer: Microsoft Windows 95 & 98
Price: US$129
Distributor: Liberty Instruments Inc
Description: LspCAD is a software that help you to constrct and modle
loudspeaker boxes and passive crossover network.The name lspcad is short for Loudspeaker
Computer Aided Design.Lspcad includes tow utilities.The box utility that works as a box
modeling program and the passive crossover utility that works as a filter modling
program.Lspcad does not only present ready to use solutions,a number of diagrams shows
virtually all information needed in order to construct passive loudspeaker system.