Behringer SRC2496 mods

Cobra2 · 10th October 2005, 01:06 AM

I just got a new toy...

Here is what you get;

Arne K

Cobra2 · 10th October 2005, 01:10 AM

follow the *must do* from datasheet, and decouple the CS8420 on its pins: (picture)
Next; (if you will use as DAC), change op-amps, upgrade trafo/psu...

Arne K

joe · 10th October 2005, 10:47 AM

Hi Arne,

do you like what you hear? Which DAC is inside?

greetings
Arndt

FLECOM · 10th October 2005, 11:59 AM

Behringer usually uses AKM dac's I am just wondering if they are they the same as the ones in the DEQ2496?

Cobra2 · 10th October 2005, 02:16 PM

Yes, the same...
(I do not think it sounds as good as the DEQ...but have not done any extensive upgrades yet).

ArneK

gmarsh · 11th October 2005, 12:04 AM

the SRC2496 uses a CS8420?!

no

Cobra2 · 11th October 2005, 06:53 AM

Quote:

Originally posted by gmarsh
the SRC2496 uses a CS8420?!

Afraid so....

Arne K

aaronboumans · 10th April 2006, 12:26 PM

cobra2,
I am getting the src soon(secondhand)and I have a question;
is your added capacitor a 1000pF? or the 0.1uF?
According to manual both are needed.

zanash · 16th September 2006, 12:18 PM

I've had a play with this unit, and do the following

SRC mods.......

damped the case and lid with bitumen sheet.
replaced the rectifier diodes with 11DQ10's
replaced all the 10uf caps arround the regulators with starget of the same value.
replaced the 1000uf with 1200uf pana fc's and bypassed with wima film caps.
replaced the 47uf coupling caps with 2.2uf pio's

The main sonic gains were from the psu mods.....deep bass and sweater treble. The bass is now so deep that pictures in adjoining rooms now resonate/rattle .... took me a while to find what was playing along !

and it trounced a benchmark dac1 ..... in the dac1 owners opinion! so much so that he is seriously thinking of selling the dac1.

The dac 1 sounded shut in and nasal in comparison to the modded src regardless of the settings on it. In fact the dac1 owner said he thought the src was stunning in standard 44.1kh to 44.1kh .....when upsampled to 96kh all the instraments were give air and space and varrious musical threads could be easily followed.

must try the decoupling cap on the dac chip.

rtd · 18th November 2006, 08:22 PM

Hi all,

I had a TDA1541 DAC which is faulty Now, So I'm looking from some other DAC solutions (DIY or Tweak).
SRC2496 seems interesting despite of its "old aspect". But I can't find large PCB photos or schematic (hard to get from behringer I read).

So is there anyone who has large board picture ?

It is to verify if it could be possible (mainly space ??? ) to directly take the balanced output from the AKM4393 and add an LPF (bypassing the output stage)

I read elsewhere that the board is only layer ? Am I right too?

thanks

10th October 2005, 02:16 PM	#5
Cobra2 DIY ! diyAudio Member Join Date: Apr 2002 Location: Stavanger, Norway	Yes, the same... (I do not think it sounds as good as the DEQ...but have not done any extensive upgrades yet). ArneK __________________ Ars longa, vita brevis

10th April 2006, 12:26 PM	#8
aaronboumans diyAudio Member Join Date: Feb 2003 Location: deventer	cobra2, I am getting the src soon(secondhand)and I have a question; is your added capacitor a 1000pF? or the 0.1uF? According to manual both are needed. __________________ I hate carryable audio-equipment!

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10th October 2005, 10:47 AM	#3
joe diyAudio Member Join Date: Oct 2001 Location: Hamburg	Hi Arne, do you like what you hear? Which DAC is inside? greetings Arndt

10th October 2005, 11:59 AM	#4
FLECOM diyAudio Member Join Date: Sep 2002 Location: Miami, Florida	Behringer usually uses AKM dac's I am just wondering if they are they the same as the ones in the DEQ2496?

11th October 2005, 12:04 AM	#6
gmarsh diyAudio Member Join Date: Apr 2004 Location: Halifax, NS, Canada	the SRC2496 uses a CS8420?! no

16th September 2006, 12:18 PM	#9
zanash diyAudio Member Join Date: Feb 2005 Location: Notts	I've had a play with this unit, and do the following SRC mods....... damped the case and lid with bitumen sheet. replaced the rectifier diodes with 11DQ10's replaced all the 10uf caps arround the regulators with starget of the same value. replaced the 1000uf with 1200uf pana fc's and bypassed with wima film caps. replaced the 47uf coupling caps with 2.2uf pio's The main sonic gains were from the psu mods.....deep bass and sweater treble. The bass is now so deep that pictures in adjoining rooms now resonate/rattle .... took me a while to find what was playing along ! and it trounced a benchmark dac1 ..... in the dac1 owners opinion! so much so that he is seriously thinking of selling the dac1. The dac 1 sounded shut in and nasal in comparison to the modded src regardless of the settings on it. In fact the dac1 owner said he thought the src was stunning in standard 44.1kh to 44.1kh .....when upsampled to 96kh all the instraments were give air and space and varrious musical threads could be easily followed. must try the decoupling cap on the dac chip.

18th November 2006, 08:22 PM	#10
rtd diyAudio Member Join Date: Apr 2006 Location: RP	Hi all, I had a TDA1541 DAC which is faulty Now, So I'm looking from some other DAC solutions (DIY or Tweak). SRC2496 seems interesting despite of its "old aspect". But I can't find large PCB photos or schematic (hard to get from behringer I read). So is there anyone who has large board picture ? It is to verify if it could be possible (mainly space ??? ) to directly take the balanced output from the AKM4393 and add an LPF (bypassing the output stage) I read elsewhere that the board is only layer ? Am I right too? thanks