Weebyx
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My design is build on Texas Instruments Reference RIAA design, they already use caps in direct signal path, even B&O’s own RIAA, and others, dont use dual power 🙂
I set out to build a RIAA amp that most people finds “good enough”, and up until now, everyone has been very happy with how it sounds.
I even compared TI’s RIAA curve with this, and they are almost identical.
But yes, there will always be ways of optimizing RIAA’s, and no 2 sound the same, and on top of that, 2 people listening to the same RIAA, will also always agree.
On a 4004, it is 100% plug and play, no soldering or anything. A 4002 is also plug and play, however it needs a new DIN cable, as it is missing pins 6 and 7 for the datalink connections.
Where do you live ? Currently the only way of getting it, is through me here in Denmark.
I am running powersupply to opamps via LDO voltage regulators, and actually NOT running dual supply. It is running 0-12v on opamps.
This is because it has been configured to use 1-way mode.
If you have a 2-way Beomaster, you can enter setup and components in the Bl7000 menu, and then remove all products under AUDIO, and add them again. If your BL7000 has working 2-way receiver, it will go back to the standard 2-way screen again.
/Jacob
