Yes all digital lines supplied with 75 to 100 ohms resistor (smd on pcb track)
A damping resistor before rect. diodes, BYV diodes (faster) and better caps do the trick. All digital chips decoupled with Sanyo Oscon also an upgrade, with a bead from PS +5V
For Analog is Panasonic, regular BG and Philips a good lytic.
Digital Sanyo Oscon
I2S Leveler never tried, but a reclocking on all clock inputs is very nice.
Ecdesigns has done a lot too on reclocking tda1541, see here in diyaudio€
A damping resistor before rect. diodes, BYV diodes (faster) and better caps do the trick. All digital chips decoupled with Sanyo Oscon also an upgrade, with a bead from PS +5V
For Analog is Panasonic, regular BG and Philips a good lytic.
Digital Sanyo Oscon
I2S Leveler never tried, but a reclocking on all clock inputs is very nice.
Ecdesigns has done a lot too on reclocking tda1541, see here in diyaudio€
Hi Tubee,
Thanks for the advice. Is 100 ohm damping
enough ? I see someone in this thread using
1-3K which I think is pretty high. Yes I would
like to try EC's DI4 unfortunatey the new design
uses Toslink which I do not like as I wish to build
a cdp instead of a 2 box affair. If the sound does
not turn out good, I probably to turn to a Ultrananlog
dac which I have a spare board from a sonic frontiers
SFD II dac. Have listen to many dac's but some how
I still feel that the ultra analog dac is doing something
right to the music. I also audition a Zanden but was
not really impress by the sound not very dynamic.
Only sounded real good with simple music with light
tempo.
Many thanks again Tubee.
Thanks for the advice. Is 100 ohm damping
enough ? I see someone in this thread using
1-3K which I think is pretty high. Yes I would
like to try EC's DI4 unfortunatey the new design
uses Toslink which I do not like as I wish to build
a cdp instead of a 2 box affair. If the sound does
not turn out good, I probably to turn to a Ultrananlog
dac which I have a spare board from a sonic frontiers
SFD II dac. Have listen to many dac's but some how
I still feel that the ultra analog dac is doing something
right to the music. I also audition a Zanden but was
not really impress by the sound not very dynamic.
Only sounded real good with simple music with light
tempo.
Many thanks again Tubee.
I can buy a modded CD880 (modded professional, better output stage with transformer styro caps and OP42 as IV and AD845 as output buffer amp.)
Well listened to the well build CD880, and compared the sound with my modded CD304MK2. (PS modded, screening of chips, Kwak clock, dividers to dac and several clock signals to dig filter/decoder, THS**** opamp, dig is here and there decoupled with Sanyo oscon with beads)
Even when the 880 has selected dac and dig filter, the 304 beats it by far!!!
Well listened to the well build CD880, and compared the sound with my modded CD304MK2. (PS modded, screening of chips, Kwak clock, dividers to dac and several clock signals to dig filter/decoder, THS**** opamp, dig is here and there decoupled with Sanyo oscon with beads)
Even when the 880 has selected dac and dig filter, the 304 beats it by far!!!
Sounds like an eringa cd880. 880 only has S1 dac, no selected filter (never heard of selected 7220's).
As for the pcb, indeed those ic's with separte ps for left and right, better caps and relays for deemp and muting. And the dac is powered from the pcb (not shure which voltages).
In a test i've got from HVT 9/1990 they still prefer a stock CD80..
There were two versions, a cd880 and a cd40 (smaller pcb without transformer and 5534 output chips). I have one of those, but it has been transformed to a AD811 pooge5 stage
Price of the modified 880: fl1800,-. Wat moet zoiets nu nog kosten?
As for the pcb, indeed those ic's with separte ps for left and right, better caps and relays for deemp and muting. And the dac is powered from the pcb (not shure which voltages).
In a test i've got from HVT 9/1990 they still prefer a stock CD80..
There were two versions, a cd880 and a cd40 (smaller pcb without transformer and 5534 output chips). I have one of those, but it has been transformed to a AD811 pooge5 stage
Price of the modified 880: fl1800,-. Wat moet zoiets nu nog kosten?
Yes Guido it is an Eringa modded 880.
SAA7220 is a B , not selected but should be better then the A
Any comment how to mod this output stage? I am sure it could sound better then a 304mk2
SAA7220 is a B , not selected but should be better then the A
Any comment how to mod this output stage? I am sure it could sound better then a 304mk2
An externally hosted image should be here but it was not working when we last tested it.
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