I was mistaken it was a Lampizated Beresford 7510
http://www.theartofsound.net/forum/s...ght=Lampizator
I was mistaken it was a Lampizated Beresford 7510
http://www.theartofsound.net/forum/s...ght=Lampizator
Buy Bose...And get your parking validated!.
https://youtu.be/ZCBe7-6rw4M
No Highs...No Lows....It Must Be Bose!
Thanks for searching for the nearly link Puffy,
revoli.
That's ok mate
Puffin.
Buy Bose...And get your parking validated!.
https://youtu.be/ZCBe7-6rw4M
No Highs...No Lows....It Must Be Bose!
Buy Bose...And get your parking validated!.
https://youtu.be/ZCBe7-6rw4M
No Highs...No Lows....It Must Be Bose!
Location: devon
Posts: 10
I'm alan.
the board beat me...cannot figure it out....so sat some ams 1117-3.3s on some panasonic fcs and chanced adding two extra 3.3s on my first board....pin 6 on the receiver and the 3.3 voltage to the dac ...I had originally added 7 seperate supplies using LT317. I dare not mess with this board any more than that...Too early to comment on sound
Revoli...I use a srpp stage on my lampucera and I am astounded by the sound quality ...I have not ever heard any "high end" kit but I have not heard anything yet that produces sound like this...its crazy...to me its high end....its worth all the hassle....I have a quad 99 with a bursen op amp ....I have left the bursen set up in the cd player so I can compare ...the quad has a dac of the same stable as the lampucera...it cannot compete.... now I just run the sp/dif signal from the player into the lampucera....you will find you get a extremely powerful signal and big dynamics no listening fatigue :I love it
Location: Bristol UK
Posts: 5
I'm Vinod.
Hi Vinod,
Its been a long time since I've touched this dac, I've tried a lot of things since then so my memory is a little rusty. If its the small dac board same as in the first post of the thread I'd sort the outdated PLL filter out on the CS8416 and then sort the messed up output section, I just altered a few values to clean things up C32,C33,C34,C35 and R8,R9,R14,R17 (details in first post) or you can try this way as posted by Anders http://theartofsound.net/forum/showp...&postcount=424
Change spdif input coupling cap (think its C9 from memory ) to a 0.1uf MKP1837 . Should get you started
Cheers,
Leo
Location: Bristol UK
Posts: 5
I'm Vinod.
Thanks Leo. Will try. The board is probably quite old but this is my first try on DACs. Doesnt sound bad as is.
Question on the mods. I assume the components to be changed are the ones as seen on the pcb?
There are a few schematics floating around specially on lampiztor site but does not really match the pcb I think
Rgds
Vinod
Location: Bristol UK
Posts: 5
I'm Vinod.
Hi,
The DAC is finally working. Did most of the suggested mods. Removing the C32,33 made a big diff I think.
There is a small problem - getting some odd sounds now and then. Maybe related to a repair I had to do on the Left side cap bypass - the pads went while soldering and had to use a small piece of wire to connect the DAC chip output directly to the opamp.
Anways, Iam not sure if this can be a long time investment. May try the buffalo DAC next.
Thanks to Leo and Firefly..
Rgds
Vinod
Hi Vinod,
If you run a wire from the dacs output to the op-amps input for the left channel you'll be missing out parts of the filter in the output stage, if the filter is still in circuit for the right side it'll sound odd .
Cheers,
Leo
Location: Bristol UK
Posts: 5
I'm Vinod.
Leo,
My statement was not quite right. I took the output of the DAC and connected it to the pad with the resistor leading into opamp.
I think the odd ticks I hear every 30 mins maybe oscillations. May need to put in the 150pf cap. I removed c32,33,34,35. The mods I did included
changing resistors to 30K, removing the caps leading into opamp and out of it.
Also put in 1500 and 100uf for c19 and 21. Iam using toslink now.
I may put in the new values for the PLL.
Sounds good enough now so not sure if these mods will be value add.
Regards
Vinod