I need some techy help in order a preamp--resistor values.


Thank you in advance!
I'm thinking of ordering a Khozmo preamplifier until I can afford something much better.  I'll be mating it with an Elekit TU 8600 amplifier. 

The Khozmo website gives options on resistors.  See https://khozmo.com/stereo_selector.html#remote

The Elekit has the following specs:
  • Tubes: 300B x 2, 12AX7x1, 12AU7x2 
  • Rated output: 9.2W + 9.2W (10% THD)
  • Rated input: 320mV
  • Residual noise: 36uV (IHF-A)
  • Frequency response: 7Hz-40kHz (-3dB)
  • Input impedance: 50kΩ
  • Output impedance: 4-6.3Ω, 8-16Ω selectable
Any intel and advice will be appreciated!
128x128jbhiller
@jbhiller,

I would recommend you to check out Aric Audio. He can custom build anything to your exact needs. 

https://www.aricaudio.com/tube_gear.php

I have recently completed a project involving a custom 300B amp. Even though I only have about 100 hours on them, I can say without any hesitation they are the best tube or SS amps I ever owned. One would probably pay 3 times elsewhere to achieve this kind of performance and attention to detail. 
The Elekit TU 8600 amplifier already comes with a volume pot built-in, what you need is change it to a higher quality same value pot, use a line level sources selector as preamp.

https://www.goldpt.com/sw4.html


Wow! Fast responses--thank you. 

I can't find any specs on the Elekit's gain.  I'll email them. 

The kit is built and been in use for nearly 2 years. There's no fear of soldering here.  I was just looking for a reasonable suggestion/starting place. 

The reason I want a preamp is that I have 2 line level sources (Elekit has one line level input) and I can't live without a remote any more!  There--I admitted it. :)  There's not enough room for me to add in a motorized attenuator and I can't seem to figure out how to fit another set of line level inputs in back.  

This unit sounds wonderful.  So long as I don't push it too hard, it bests my Primaluna Dialogue Premium.  I just wish it had two inputs and a remote!

Aric is a great thought.  I've been curious about his work in the past. 

Atmasphere your suggestion intrigues me too.  As always, much appreciated. 


Jb, just FYI, the Modwright has a built-in remote volume control that is smooth and quiet, and raises (or lowers!) the volume in small enough increments that won't aggravate you with too large a jump in volume.

Dan