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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

Salas DCG3 preamp (line & headphone)
Salas DCG3 preamp (line & headphone)
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Old 4th December 2019, 12:56 PM   #4241
katopis is offline katopis  Greece
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Originally Posted by bubba177 View Post
katopis I have a pair of yamamoto YS-500 clones I built from 6 moons review. that big box in the middle is a 12-14ft folded horn subwoofer driven by 500 watt class d plate amp. Yammie's are driven by Pass F4 on bass bins and Pass F5 on horns.
Very nice system!nice sub also!
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Old 4th December 2019, 01:30 PM   #4242
katopis is offline katopis  Greece
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Hifi collective has also another tkd pot that is significantly cheaper,but i don t know the differences!
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Old 4th December 2019, 02:15 PM   #4243
dewdrop is offline dewdrop  Singapore
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Hifi collective has also another tkd pot that is significantly cheaper,but i don t know the differences!
That's a 21-stepped version.
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Old 4th December 2019, 03:57 PM   #4244
killie99 is offline killie99
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I used the 20k version of the TKD, available from HiFi Collective.
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Old 4th December 2019, 04:25 PM   #4245
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
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Originally Posted by bubba177 View Post
If I add resistance to change the gain and bias should I pull the chip and zero out again? Thanks Mark
Check it out to be sure but I don't expect appreciable differences in offset compensation with that output stage bias change.
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Old 4th December 2019, 04:25 PM   #4246
Pars is offline Pars  United States
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Default Salas DCG3 preamp (line & headphone)

Michael Percy Audio sells a 25k CP2500. There is also a smaller 16mm pot, the CP601, which I have used. It is good (better than an Alps RK27 blue), but not as good as the CP2500.

There is also the Alps RK50, which is really expensive (and good), but ~$600 or so. Not sure if Penny and Giles are still making their rotary pot or not, but those are quite good as well.
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Old 4th December 2019, 04:37 PM   #4247
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
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I will order a 10k from partsconnexion.
In any case you can add Zo via upping R1 if you will feel any thinning of tone vs the 20k.
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Old 4th December 2019, 04:46 PM   #4248
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
Optimum extra value can be decided with an RoutX from pot to DCG3 input.
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Old 4th December 2019, 04:49 PM   #4249
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
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Originally Posted by killie99 View Post
I used the 20k version of the TKD, available from HiFi Collective.
Thanks for the info
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Old 4th December 2019, 04:56 PM   #4250
bubba177 is offline bubba177  United States
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Salas DCG3 preamp (line & headphone)
Salas do I have to pull the chip and revere when I change the gain and bias? Thanks mark
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