# New BHK pre-amp...wow **URL:** \ **Category:** Preamplifiers\ **Created:** [April 13, 2018, 9:20pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707 "2018-04-13T21:20:08Z")\ **Posts on this page:** 20\ **Page:** 9
**Author:** ![Brodric](https://avatars.discourse-cdn.com/v4/letter/b/c68b51/32.png) [@Brodric](https://forum.psaudio.com/u/Brodric)\ **Post date:** [April 26, 2019, 9:44pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/164 "2019-04-26T21:44:21Z")
They don’t have to be. ---
**Author:** ![RonP](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/ronp/32/213555_2.png) [@RonP](https://forum.psaudio.com/u/RonP)\ **Post date:** [April 26, 2019, 10:02pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/165 "2019-04-26T22:02:33Z")
Tell that to my son and his fiance’… ---
**Author:** ![kylemillsap](https://avatars.discourse-cdn.com/v4/letter/k/a88e4f/32.png) [@kylemillsap](https://forum.psaudio.com/u/kylemillsap)\ **Post date:** [April 26, 2019, 11:58pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/166 "2019-04-26T23:58:38Z")
After putting 10dB whirlwind attenuators between my BHK pre and BHK300s, as was suggested on this thread, and running for a few hours, I am getting unbelievable SQ coming from a dead silent background! It’s like using a Mcintosh, that sounds really good! ---
**Author:** ![dawkinsj](https://avatars.discourse-cdn.com/v4/letter/d/a5b964/32.png) [@dawkinsj](https://forum.psaudio.com/u/dawkinsj)\ **Post date:** [April 27, 2019, 12:37am UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/167 "2019-04-27T00:37:58Z")
Glad it worked out. I have used both SE and Balanced Rothwell’s for years to solve gain issues and never noticed any sound degradation. ---
**Author:** ![kylemillsap](https://avatars.discourse-cdn.com/v4/letter/k/a88e4f/32.png) [@kylemillsap](https://forum.psaudio.com/u/kylemillsap)\ **Post date:** [April 27, 2019, 12:57am UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/168 "2019-04-27T00:57:16Z")
Thanks for the suggestion ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 1:50am UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/169 "2019-04-27T01:50:34Z")
Ron, I feel a tad bad for you. The Janus is opening up alot already. Oh, I couldn’t resist since I had them laying around. I replaced the 6922 in the output stage with BHK Tungs from Upscale. Sweet! ---
**Author:** ![Matchbox](https://avatars.discourse-cdn.com/v4/letter/m/858c86/32.png) [@Matchbox](https://forum.psaudio.com/u/Matchbox)\ **Post date:** [April 27, 2019, 2:29am UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/171 "2019-04-27T02:29:05Z")
Congrats to you. That’s so generous of you; I hope your son and his fiancé are appreciative. ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 12:06pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/172 "2019-04-27T12:06:30Z")
Ron, I moved the jumper in the Janus for -12 DB. Seems to helped a tad with tube hiss ( 93 DB speakers ). But the tubes don’t seem as happy. Did you have any odd noise with the -12 setting? The unit I bought was NOS, and I think Aesthitix made some changes since. Software, and tubes are different now I read. Does anyone know what tubes they go with now? ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 12:09pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/173 "2019-04-27T12:09:43Z")
Leaning toward sending it in for update, black panel, trigger output mod and signature upgrade in June. What is odd, I am now getting similar noise as I did with the BHK. It’s not the amps, with preamp off it’s not there. I will try to find out if it’s the other gear? Maybe the wifi? ---
**Author:** ![john2213](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/john2213/32/94338_2.png) [@john2213](https://forum.psaudio.com/u/john2213)\ **Post date:** [April 27, 2019, 1:01pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/174 "2019-04-27T13:01:25Z")
Not sure which factory tubes they are using currently, there is a great thread on Aesthetix tube rolling on the audiogon forums. Also, Andy at Vintage Tube Services is a wealth of knowledge on tubes for Aesthetix gear, you may want to give him a call… -JP ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 6:07pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/175 "2019-04-27T18:07:52Z")
I emailed Andy. ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 6:11pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/176 "2019-04-27T18:11:56Z")
If the Janus keeps improving, I can say I think I have a preference… ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 10:10pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/177 "2019-04-27T22:10:50Z")
Seems like I have a failing or noisy tube in the Janus. Swapped out the Sovtek 6922 installed a Gold Lion from BHK OEM amp. Noise is far less. I am less than impressed with the Sovtek tubes. I thought I read somewhere that they now run JJ’s? I plan to email or call to ask on Monday ---
**Author:** ![bassaholic](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/bassaholic/32/38160_2.png) [@bassaholic](https://forum.psaudio.com/u/bassaholic)\ **Post date:** [April 27, 2019, 11:03pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/178 "2019-04-27T23:03:37Z")
Maybe this should be the Janus thread- thread name is a misnomer. ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 11:09pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/179 "2019-04-27T23:09:15Z")
Yes. Agreed. I just started a new post. ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 27, 2019, 11:10pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/180 "2019-04-27T23:10:30Z")
> [@Aesthetix Janus / Calypso](https://forum.psaudio.com/t/aesthetix-janus/10617): > > I am starting a new post so people can chime in on Janus mods, tube rolling, and experiences. ---
**Author:** ![bassaholic](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/bassaholic/32/38160_2.png) [@bassaholic](https://forum.psaudio.com/u/bassaholic)\ **Post date:** [April 27, 2019, 11:57pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/181 "2019-04-27T23:57:45Z")
Darrenv- thx wasn’t meant in a mean spirit- good to know some people know the diff ---
**Author:** ![darrenv1070](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/darrenv1070/32/270293_2.png) [@darrenv1070](https://forum.psaudio.com/u/darrenv1070)\ **Post date:** [April 28, 2019, 2:02am UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/182 "2019-04-28T02:02:05Z")
It’s all good. ---
**Author:** ![dclark2171](https://avatars.discourse-cdn.com/v4/letter/d/13edae/32.png) [@dclark2171](https://forum.psaudio.com/u/dclark2171)\ **Post date:** [April 28, 2019, 8:54pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/183 "2019-04-28T20:54:35Z")
Avoid fixed attenuators. I tried them between my Rogue RP-5 and amp… The sound gets slightly “jekko” sounding imo. I placed a Schiit SYS between the pre and amp…not one bit of sound change. ---
**Author:** ![dclark2171](https://avatars.discourse-cdn.com/v4/letter/d/13edae/32.png) [@dclark2171](https://forum.psaudio.com/u/dclark2171)\ **Post date:** [April 28, 2019, 8:58pm UTC](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707/184 "2019-04-28T20:58:52Z")
I don’t see why you are getting unbearable tube hiss with both a BHK pre and amps? Even on high efficiency speakers. [Previous page](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707.md?page=8) [Next page](https://forum.psaudio.com/t/new-bhk-pre-amp-wow/5707.md?page=10)