Audio Amplifier Accessories

Cristi · 14th January 2010, 04:56 AM

Discussions about Audio Amplifier Accessories from Connexelectronic

fb · 25th January 2010, 03:11 PM

Cristi, what is the output voltage of the BIPS board?

Thanks

Cristi · 26th January 2010, 05:47 AM

the BIPS has by default unity gain, so the output voltage is equal with the input. if you want to use-it as a preamp, few resistors must be changed.

kp93300 · 12th February 2010, 01:46 AM

Hello Cristi,
I have used the board before a 500W transformer and followed by 160 000 uF of line filtering and a solitary Cl 60 thermistor. I am planning to add another 40 000 uF of line filtering.
Will this be an issue with the soft start board?

BTW have you mailed out the speaker protection board to Malaysia ?

Thanks

kp93300

Cristi · 12th February 2010, 01:47 PM

you can add another 40mF capacitors, but if the transformer isn't able to deliver the required current when charging the capacitors you might need to increase the timing for the delay by changing the 10uF capacitor with a bigger one. be careful with the rectifier bridge, if can handle the inrush current, without afecting the reliability.

i sent the speaker protection already, it should arive by now. if not, then just after the chinese new year. let me know when you get it.

alkasar · 14th February 2010, 05:14 PM

hello,
What is the size of the pcb of the Speaker Protection circuit ?
Connexelectronic Speaker protection circuit

thanks

kp93300 · 15th February 2010, 12:55 AM

Quote:

Originally Posted by Cristi

you can add another 40mF capacitors, but if the transformer isn't able to deliver the required current when charging the capacitors you might need to increase the timing for the delay by changing the 10uF capacitor with a bigger one. be careful with the rectifier bridge, if can handle the inrush current, without afecting the reliability.

i sent the speaker protection already, it should arive by now. if not, then just after the chinese new year. let me know when you get it.

Hi Cristi,
Many thanks fro the reply.
kp93300

geccone · 4th March 2010, 09:37 AM

Hi Cristi,
if I have balanced signals, should I use the Balanced Input Phase Shifter to input your amps? In the picture of the BIPS I see only male XLR connectors (usually used for outputs).

Cristi · 6th March 2010, 06:16 AM

the BIPS can be used for both balanced input signal and unbalanced input signal. there are also unbalanced inputs, 2 RCA connectors on the board.

kp93300 · 25th March 2010, 07:38 AM

Hi Cristi,
I got the board yesterday. thanks .
What is the ac input for the module ? will a 12 V ac from a 10W transformer do ?
thanks

kp93300

14th January 2010, 04:56 AM	#1
Cristi diyAudio Member Join Date: Dec 2008 Location: Shenzhen	Audio Amplifier Accessories Discussions about Audio Amplifier Accessories from Connexelectronic

12th February 2010, 01:46 AM	#4
kp93300 diyAudio Member Join Date: Mar 2007	soft start board Hello Cristi, I have used the board before a 500W transformer and followed by 160 000 uF of line filtering and a solitary Cl 60 thermistor. I am planning to add another 40 000 uF of line filtering. Will this be an issue with the soft start board? BTW have you mailed out the speaker protection board to Malaysia ? Thanks kp93300

25th March 2010, 07:38 AM	#10
kp93300 diyAudio Member Join Date: Mar 2007	speaker protection board Hi Cristi, I got the board yesterday. thanks . What is the ac input for the module ? will a 12 V ac from a 10W transformer do ? thanks kp93300

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25th January 2010, 03:11 PM	#2
fb diyAudio Member Join Date: Apr 2005 Location: Brisbane, Aus	Cristi, what is the output voltage of the BIPS board? Thanks

26th January 2010, 05:47 AM	#3
Cristi diyAudio Member Join Date: Dec 2008 Location: Shenzhen	the BIPS has by default unity gain, so the output voltage is equal with the input. if you want to use-it as a preamp, few resistors must be changed.

12th February 2010, 01:47 PM	#5
Cristi diyAudio Member Join Date: Dec 2008 Location: Shenzhen	you can add another 40mF capacitors, but if the transformer isn't able to deliver the required current when charging the capacitors you might need to increase the timing for the delay by changing the 10uF capacitor with a bigger one. be careful with the rectifier bridge, if can handle the inrush current, without afecting the reliability. i sent the speaker protection already, it should arive by now. if not, then just after the chinese new year. let me know when you get it.

14th February 2010, 05:14 PM	#6
alkasar diyAudio Member Join Date: Jan 2009 Location: near Paris, France	hello, What is the size of the pcb of the Speaker Protection circuit ? Connexelectronic Speaker protection circuit thanks

4th March 2010, 09:37 AM	#8
geccone diyAudio Member Join Date: Nov 2009	Hi Cristi, if I have balanced signals, should I use the Balanced Input Phase Shifter to input your amps? In the picture of the BIPS I see only male XLR connectors (usually used for outputs).

6th March 2010, 06:16 AM	#9
Cristi diyAudio Member Join Date: Dec 2008 Location: Shenzhen	the BIPS can be used for both balanced input signal and unbalanced input signal. there are also unbalanced inputs, 2 RCA connectors on the board.

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