Hybrid Tube Preamp Buffer

0 Members and 1 Guest are viewing this topic. Read 13699 times.

tortugaranger

  • Facilitator
  • Posts: 1211
  • Handcrafted high performance audio gear
    • Tortuga Audio
Re: Hybrid Tube Preamp Buffer
« Reply #60 on: 16 Mar 2017, 08:32 pm »
I just verified via a quick test that you can drop a set of 6CG7's into our buffer as substitutes for the 6H30's with no problem. No surprisingly the gain is a bit off (slightly higher gain with the 6CG7s) but that was just my impression and I didn't confirm this with a scope or dB meter. Sounded real good with the 6CG7's.

Someone asked if 12AU7's would work and the answer is no because the 12AU7's use a different heater circuit. Same for the 12AX.

tortugaranger

  • Facilitator
  • Posts: 1211
  • Handcrafted high performance audio gear
    • Tortuga Audio
Re: Hybrid Tube Preamp Buffer
« Reply #61 on: 21 Apr 2017, 06:03 pm »
Small preamp buffer.
Amazing sound.
Pretty cat.


WireNut

Re: Hybrid Tube Preamp Buffer
« Reply #62 on: 21 Apr 2017, 10:50 pm »
An update to the tour schedule would be great.
I have 2 Yaqin CD3 tube buffer's that I use in my system.
I'm ready to compare the Tortuga buffer to my Yaqin's.

 
   

tortugaranger

  • Facilitator
  • Posts: 1211
  • Handcrafted high performance audio gear
    • Tortuga Audio
Re: Hybrid Tube Preamp Buffer
« Reply #63 on: 22 Apr 2017, 01:21 pm »
A couple of additional buffer pics.  :thumb:



WireNut

Re: Hybrid Tube Preamp Buffer
« Reply #64 on: 16 Aug 2017, 11:46 pm »
Which connection "to and from" a Tortuga Tube Buffer makes the most since?

Phono-pre or Dac output  > Tortuga Buffer > Preamp input.

Preamp output  >  Tortuga  Buffer > Active crossover input.

Active Crossover HI-Pass output only > Tortuga Buffer > Amp for Hi-Pass Frequencies.


tortugaranger

  • Facilitator
  • Posts: 1211
  • Handcrafted high performance audio gear
    • Tortuga Audio
Re: Hybrid Tube Preamp Buffer
« Reply #65 on: 16 Aug 2017, 11:50 pm »
Which connection "to and from" a Tortuga Tube Buffer makes the most since?

Phono-pre or Dac output  > Tortuga Buffer > Preamp input.

Preamp output  >  Tortuga  Buffer > Active crossover input.

Active Crossover HI-Pass output only > Tortuga Buffer > Amp for Hi-Pass Frequencies.


The second.  Preamp > Buffer > ...

WireNut

Re: Hybrid Tube Preamp Buffer
« Reply #66 on: 16 Aug 2017, 11:52 pm »
 :thumb:

Randy

Re: Hybrid Tube Preamp Buffer
« Reply #67 on: 7 Dec 2017, 05:36 am »
Morten,
   Reading this thread leaves me confused (as usual). > symbols confusing.  I have my buffer after the preamp, buffer into the power amp. Is that the best way?

Randy

tortugaranger

  • Facilitator
  • Posts: 1211
  • Handcrafted high performance audio gear
    • Tortuga Audio
Re: Hybrid Tube Preamp Buffer
« Reply #68 on: 7 Dec 2017, 01:35 pm »
Morten,
   Reading this thread leaves me confused (as usual). > symbols confusing.  I have my buffer after the preamp, buffer into the power amp. Is that the best way?

Randy


Yes. Buffer downstream of attenuator/passive.  It WILL work the other way around but you won't retain all the benefits of the low fixed output impedance of the buffer.