2. amps-preamps
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HELP: Krell CAST and Balanced Inputs

I have an FPB 200c and had recently went preampless, using a delius DAC to drive the amp directly. But this displaced my analog front and that drives me nuts.

I asked an audiophile firned to make for me a passive attenuator and he made it with a balanced out so as to mate with my amp. However, i also want to use the digital and i don't want removing the ICs.

Is it possible to use the XLR and the CAST inputs at the same time? What i mean is to use the Delius into the XLR and the Passive Attenuator into the CAST (using an XLR-CAST interconnect).

Has anything similar been experienced or done by anyone here?

Thanks friends!
egay
128x128egay
9 responses Add your response
egay's avatar
egay OP
18 posts
 
thanks again for your comments!

i decided to simply use the balanced inputs as getting krells with cast in this side of the pond is very difficult - people are simply keeping theirs ;-)

.e.
stevecham
3,340 posts
 
CAST: high impedance output into low impedance input

Balanced/single ended: low impedance output into high impedance input
haroon
16 posts
 
Just read the page 3 of Krell FPB manual, available online at Krell website.

However, page 1, Krell Current Audio Signal Transmission
(CAST): “A proprietary Krell circuit technology for connecting analog components, in which the audio waveform is transmitted between components in the current rather than voltage domain.”
audiofeil
4,011 posts
 
>>CAST cary signal as current while RCA and XLR cary signal as voltage<<

Could you elaborate on that a bit more please.

Thanks in advance.
rwwear
2,846 posts
 
What???
haroon
16 posts
 
CAST cary signal as current while RCA and XLR cary signal as voltage. Use an adopter and prepare for a funeral of FPB!
egay's avatar
egay OP
18 posts
 
Thanks, guys!
so the usual adapter cannot work with CAST, hugh?

gruss!
.e.
rwwear
2,846 posts
 
You have to have CAST outputs to use CAST inputs.
krell1's avatar
krell1
250 posts
 
My Krell amp doesn't have CAST inputs but I am sure you can only use one. The same goes for RCA vs. XLR, it's one or the other. A krell pre amp out is different and you can use both outputs with no problem, you can download your manual from Krell to be absolutely sure.
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