@swaudiofan Thank you. Looks like lot of tube amplifier manufacturers are switching to Class D.Does these Class D amps provide similar or better performance than tube amps? Really wondering what could be the reason, is it due to efficiency or maintenance effort.
Suggestions for a tube pre and power amp
Dear Audio Friends,
I am writing to seek your experienced suggestions regarding an upgrade to my current stereo setup. My current system consists of Revel F328Be speakers powered by a Luxman 590Mk2 Class A integrated amp. My frontend includes a Sonic Transporter (Roon core) powered by a Farad LPS, a Holo Red streamer, and a Holo May KTE DAC.
I am considering transitioning to a tube preamplifier and a solid-state power amplifier combination. While my speakers have a 91dB sensitivity, the impedance dips to 3 ohms between 100Hz and 200Hz.
My current shortlists are as follows:
- Power Amps: Coda S5.5 Class A or Coda No. 8 V1.
- Tube Preamps: Backert Labs Rhumba, Spatial Audio Raven, or Motherlode XL.
I am looking for a 3D holographic, warm sound with a high level of clarity and detail. While I am aware of the general rules regarding impedance matching, I would value your insights on how these specific components might pair together. I am also very open to any other combinations you might recommend.
Thank you for your help.
Rlal
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- 125 posts total
@agbrace When you write not classic tube sound what exactly you meant by that, is it in a good way? I am sure that I dont want noise for sure. So you are using single ended inputs between preamp and Coda NO 8. You never had a curiosity to try balanced connection of Coda? Based on common mode rejection theory balanced connections should be less noisy. I know balanced input impedance of Coda amps are much lover than single ended which need to be taken care while selecting preamps if planning to use xlr connection. |
@moto_man Thanks for your suggestions, I will keep an eye on ARC Ref6 pre. I also heard lot of praises for Allnic pre but as you said a remote is a must for me too. Their top of line preamps are super expensive. |
@swaudiofan Not sure that tube amp manufacturers are switching to class D but rather solid state amplifiers in general are moving in this direction. For me it is the advancement of class D technology; in particular the Purifi modules. There are also Hypex and GanN modules and possibly others I am unaware of. They are very efficient with loads of wattage and current; both which I needed for my KEFs compared to the integrated amplifier I had, which was very nice, most recently. |
@lals Yes, it is a good balance of the traditional sonic characteristics of tube and solid state giving the best of both. It has good bass dynamics like solid state, an open three-dimensional soundstage, very good low-level detail resolution but yet easy to listen to and that wonderful midrange that tubes provide The LTA does not offer balanced outputs, if it did, I would prefer them even with the somewhat low input impedance of the Coda at 10K, would be fine given the LTA is 50 Ohms. |
- 125 posts total

