[LAU] Audio interface for newbies ?

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Sun Aug 28 04:28:03 UTC 2016

On 08/27/2016 04:20 PM, Ralf Mardorf wrote:
> On Sat, 27 Aug 2016 12:56:18 -0700, Fernando Lopez-Lezcano wrote:
>> We do own several of these cards but don't use them anymore. The 1010
>> card was the first magically affordable 8 channel solution for our
>> needs. There was even a smaller box that could intercept the digital
>> signals and provided digital multichannel connections. We still have
>> them around lying in plastic bins (some were recycled). Such a shame.
>> For old timers in this list the power supply issue on the 1010 is well
>> known. The voltage doubler (or quadrupler?, I forget) capacitors in
>> the power supply blow up after a while due to bad design. The 5V rail
>> is still there but the analog voltages go down or disappear, so the
>> card still "works" but all audio is gone or badly distorted. Replacing
>> the capacitors fixes everything (visual inspection can easily reveal
>> if that is the problem).
> Hi Fernando,
> IIUC there are different 1010 models out there and some are using
> external power supplies and those power supplies seem to be be very
> cheap.

I commented on the plain 1010, that has an external "brick" power 
supply, a pci card and a rack mounted D/A A/D unit - that is where the 
bad capacitors usual are.

I have never used a 1010lt so I know nothing about it... sorry...
-- Fernando

> Regarding this
> http://offog.org/notes/delta-1010lt-repair/fixed_size1600.jpg picture
> and some reading this card, the "LT" model, has got no external power

More information about the Linux-audio-user mailing list