Calculating a subwoofer using the jbl speakershop program


JBL Speakershop program

Description: JBL Speakershop consists of 2 independent and complementary parts:

1.Enclosure Module - for calculating acoustic design and

2.Crossover Module - for calculating the parameters of crossover filters.

DOWNLOAD HERE JBL Speakershop Program

Add. information : + Operating instructions for JBL Speakershop IN RUSSIAN. + Sub for 75GDN1-4 calculated in JBL SpeakerShop

When it asks for disk 2, change the number 1 in the line (DISK1) to the number 2 and click OK, and that’s it.

install JBL Speakershop only from the root of the C\ drive, only then will the installation start, and when it asks for disk2, change the numbers 1 to 2 and that’s it!

JBL Speakershop program, Size: 2.52 MB can be downloaded HERE FOR FREE!!!

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JBL Speakershop

Software for calculating subwoofers and speaker systems.

JBL Speakershop includes two independent programs: Enclosure Module and Crossover Module.

The Enclosure Module is designed to determine the required volume and dimensions of low-frequency loudspeaker enclosures. The sound quality of the design is assessed at normal listening level (small signal analysis, including group delay, phase and amplitude-frequency response, voice coil resistance) and at maximum volume (large signal analysis, taking into account the thermal acoustic power index at mid frequencies and maximum power at various deviations).

The Enclosure Module utility allows you to independently choose two directions for designing enclosures: taking into account specific speakers or by selecting suitable speakers for an existing enclosure (limited space). The program module under consideration offers modeling of enclosures with a bass reflex of a custom, optimal and design designed for a unique frequency band, enclosures with a passive radiator, as well as closed systems of an optimal or custom type. Simultaneous demonstration of all types of designs facilitates their comparative analysis. The program describes the structure and main parameters of each type of housing, and contains lists of their advantages and disadvantages. For beginners, there is a help file to make the job easier, and examples are included with relevant notes and instructions.

The set of minimum parameters required for designing the housing includes the name of the manufacturer and model number, as well as the value of the resonant frequency of the speaker, the volume of air with an elasticity equal to the elasticity of the speaker suspension, and the quality factor of the device, taking into account all losses. The full list of parameters includes a long series of mechanical, electrical and combined values ​​of the designed device. Among other things, the JBL Speakershop Enclosure Module plots graphs of maximum sound power, amplitude-frequency response (normalized and when a 2.83 V test signal is applied), voice coil resistance, group and phase delays.

The second part of the JBL Speakershop program - Crossover Module - is designed to determine the parameters of crossover filters that separate the signal into low and high frequencies. The utility calculates two- and three-way passive separation systems of the first, second, third and fourth orders using a number of standard filters: Chebyshev, Bessel, Butterworth, Gauss, Legendre, Linkwitz-Riley and some others. The result of the work is the construction of a detailed electrical circuit diagram of a unique crossover system with a detailed description of each element.

In Russia, the JBL Speakershop program has become widespread among radio amateurs who are developing their own car speaker systems. However, the amplitude-frequency characteristics of a car sound reproduction system calculated and plotted in this utility are very inaccurate and strongly depend on the design features of a particular car. For proper operation, additional data must be entered into the program, for example, the transfer function of the car interior.

The JBL Speakershop program was created in 1995 by specialists from the American company JBL. The company is part of the Harman International Industries association, specializing in the production of high-end speaker systems and related electronics. JBL products became the basis for the development of the THX standard, and the company's dynamic heads are used in cars from the world's leading manufacturers.

The JBL Speakershop interface language is English only. However, on the Internet there is a detailed description of the work in Russian.

System requirements for the utility are minimal. JBL Speakershop runs on the Microsoft Windows operating system, including its latest versions: Vista and 7. The only exception is the lack of support for 64-bit operating systems.

Program distribution: free

Source

UniBox (Unified Box Model)

UniBox program for calculating acoustic systems with various types of acoustic design:
  • Closed Box
  • bass reflex (Vented Box)
  • system with a passive radiator (Passive Radiator Box)
  • Bandpass Single Tuned Box

A very simple and logical program, it works in the Microsoft Windows Excel 2000 shell. According to reviews, it also functions normally under Excel 97, if it is updated accordingly. Allows you to simulate sound pressure level, speaker impedance curve, frequency response and much more.

On the manufacturer's website you can find a database of many well-known speakers: Audax, Focal, Monacor, Scan Speak, Vifa, Seas, Peerless, Altec, Audio Concepts, Bag End, BBC, Blaupunkt, Boston Acoustics, Celestion, Dayton, Dynaudio, Electro-Voice , Eminence, Fane, Focal, Gauss, JBL, JL Audio, Klipsch, McCauley, MCM, MG Electronics, Morel, Parts Express, Peavey, Performance Plus, Phoenix Gold, Pioneer, Pyle, Pyramid, Reflex, Rockford-Fosgate, SoundStream, Stillwater Designs, Tekton, Thruster, Ultimate, Vieta. In addition, you can manually add speaker characteristics and create new databases.

Download ZIP archive of the UniBox program

Calculating a subwoofer using the jbl speakershop program

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To make a good subwoofer you need a special jbl speakershop program; just the manufacturer’s recommendations are not enough. Because they don't take into account where the box will be installed and what kind of music it will play. Of course, you can make a box according to the diagram that comes with the subwoofer. He will play well if you follow all the recommendations and do the job efficiently. But you can achieve maximum output only if you tailor the sub to suit you, your music and your car. Therefore, it is very advisable to design your own box for each specific speaker.

PSU Designer

A very useful program.
With its help, any power sources can be easily calculated - bridge, single- and full-wave, kenotrons and diodes, with L and C filters. The database already contains the necessary data for the most popular rectifiers; all you have to do is set the voltage on the secondary winding of the network transformer and the load current (resistance). The program simulates the voltage and current waveform at any point in the circuit and warns if any limit value for the rectifier is exceeded. The new version of PSU Designer allows you to save files and edit them (information from the AV Salon website) Visit the website of the creators of the PSU Designer program

JBL Speakershop on Windows x64 bit

Hello, today I’ll tell you how to install JBL Speakershop on Windows x64 bit. Since without additional work the program will not work with it. Perhaps I will disappoint you by saying that simply downloading JBL Speakershop for 64 bit will not work, because such a version of the program simply does not exist.

Therefore, you will need to install a virtual machine, then install Windows XP on it and only then install our Speakershop. The process may seem complicated, but don't worry. We will do everything quickly and simply.

Installing VirtualBox

So, first, download the program for a virtual computer from the official website - Virtualbox.

In the download section, download the distribution kit for Windows.

We launch the distribution and go through the standard installation process. We select the location, number and location of the labels.

A warning will appear indicating that the network is restarting. We agree.

We allow installation of software from Oracle.

After starting the program, click “Create”.

Enter the name and select the operating system we need.

We allocate RAM. 512 “meters” will be quite enough.

Then, I recommend creating a virtual disk. If it is no longer needed, it can be deleted without any problems at once with all its contents.

Select the file type VDI.

Then you need to select a storage format. This will not directly affect the work, so you can read the description and mark what suits you best. I set it to fixed.

All that remains is to allocate a place. I set it to 5 GB. It can be much less if you only need this Windows to run JBL Speakershop on 64 bit. If you plan to use the virtual machine for something else, then choose the amount of space in accordance with your tasks.

The first step is completed, Virtualbox is installed and configured.

Attenuation Curve Calculator

The Danish company Danish Audio Connect, which produces precision discrete regulators and selectors, offers software for independently calculating attenuators.
The program is written in Excel and, despite its simplicity, takes into account a lot of parameters - total resistance, characteristics, number of steps and even the depth of adjustment. This love for do-it-yourselfers is easily explained - DACT offers not only ready-made products, but also kits, allowing the designer to independently choose the type of resistors to his liking - carbon, metal film or tantalum. (information from the AV Salon website) Visit the website of DACT, developer of the Attenuation Curve Calculator program

Installing Windows XP on Virtualbox

To install Windows XP on Virtualbox, you need to already have a ready-made image on your computer. If suddenly it’s not there, then I’m sure you’ll figure out where to download it

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