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Old 27th May 2011, 10:17 AM   #101
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for that capacitor, 10V is enough. obviously would be connected with minus to GND and plus at the Mute pin.
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Old 27th May 2011, 10:22 AM   #102
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Quote:
Originally Posted by 3506string View Post
I am looking at the TA3020v4 as a power amp for two bass cabinets.
The TA3020v4 can deliver about 600/800W in BTL mode on 8R load depending on the version.
you can also consider the IRS2092 amplifier modules, with a suitable power supply such as SMPS500R or SMPS800R.
making a direct comparison between the two amps would be difficult because they are build for different purposes, and also have different features.
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Old 27th May 2011, 10:44 AM   #103
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Quote:
Originally Posted by Cristi View Post
for that capacitor, 10V is enough. obviously would be connected with minus to GND and plus at the Mute pin.
Thanks. The obvious is only for the those who know about circuit design. I assumed it would be that way, but it's not obvious for me.
 
Old 27th June 2011, 02:21 PM   #104
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What is the height of IRS2092 amp module? I would like to mount it into 1U.
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Old 28th June 2011, 01:54 AM   #105
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In horizontal position, the IRS2092 amplifier module is 38mm tall, and the 400W-600W versions has one taller capacitor which brings the maximum height to 42mm.
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Old 18th July 2011, 03:15 PM   #106
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Default IRS2092 Modular Amplifier PS voltage question

Hi Cristi,

I have a question about your IRS2092 Modular Amplifier (the mono amp module). Assuming I have a 500W transformer with 50-0-50 secondaries, possibly as high as 54-0-54, can the IRS2092 Modular Amplifier be used with that? Assuming a full bridge type rectifier and 1.4V drop through the diodes, this would give me +/-68V to +/-75V rails, which is just in between the 400W and 600W versions of the amp.

Can this transformed be used with either the 400W or 600W version somehow?

How about the TA0105ARB board with this transformer? Perhaps that would be a better choice?

-Charlie

Last edited by CharlieLaub; 18th July 2011 at 03:18 PM.
 
Old 19th July 2011, 09:02 AM   #107
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Hi Charlie,
the obtainable voltage range is just above the supply voltage range of the 400W module and under the supply voltage range of the 600W module. but, is still possible to configure the 600W module to work with this voltage. the main difference between the modules are the output devices, gate drive resistors, dead time setting and overcurrent threshold. then the under-voltage and over-voltage threshold which is determined by the values of the zenner diodes used. lastly the bias supply resistors. there are about 10-12 components which have different values/type from the 150W to 400W or 600W version.
in conclusion is possible to set a module to work with the voltage which you have but must be configured so.
TA0105ARB low impedance version can work with the available voltages.
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Old 20th July 2011, 05:31 PM   #108
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Quote:
Originally Posted by Cristi View Post
Hi Charlie,
the obtainable voltage range is just above the supply voltage range of the 400W module and under the supply voltage range of the 600W module. but, is still possible to configure the 600W module to work with this voltage. the main difference between the modules are the output devices, gate drive resistors, dead time setting and overcurrent threshold. then the under-voltage and over-voltage threshold which is determined by the values of the zenner diodes used. lastly the bias supply resistors. there are about 10-12 components which have different values/type from the 150W to 400W or 600W version.
in conclusion is possible to set a module to work with the voltage which you have but must be configured so.
TA0105ARB low impedance version can work with the available voltages.
Hi Cristi,

Thanks for the reply! I think that the 600W IRS2092 Modular Amplifier, built up for these rails, would be the best approach. The detuned 600W module is a good match for the transformer rating, too.

How do I order the customized amp module? I assume that I need to tell you the rail voltage (or range or rail voltages) that I would like to use... what is the best way to give you this information?

-Charlie
 
Old 21st July 2011, 02:58 PM   #109
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Charlie, please send me a mail when you need the boards and you can remind me what configuration you need. basically you can order one or more 600W module(s) for which i need to modify the UVP level, to accommodate lower voltages, as well as bias and OC resistors.
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Old 26th July 2011, 01:44 PM   #110
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Hi Cristi,

Im not sure if you recieved my email :/

I have a similar set up as charlie is suggesting

54-0-54v transformer, bridge rectifier, 80v 15000uF capacitor per rail. However I have measure the dc rail voltages that this outputs with no load as +/- 86.3V.

Would the 600w module be safe on these voltages or would I have to unwind the transformer to get the voltage down to roughly 80V?

Pete
 

 


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