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yuhengdu_tiger

Responses from yuhengdu_tiger

Amp recommendations for Joseph Audio Perspectives2
I found that I am normally listen to the perspectives in mid to low volume. My preamp is VAC renaissance v tube pre. Still looking for amp suggestions. Any low power class A amps around 30wpc?  
put tube amp on to shelf of a rack
@jollygreenaudiophile2 Hey thanks for the detailed information. I ordered two 120mm AC Infinity usb powered fans as they can be blutacked on the floor where my VAC tube power amp sits on right now. And I can't agree more about the lifting heavy am... 
put tube amp on to shelf of a rack
@tvad  wow this is a great tool. I never know things like these exist and they seem come in really handy for scenarios like this. Thank you!@ieales Thanks for the reminder and pointing me to the fans. Neat! order placed today for dual fan and hope... 
turn on dac preamp and amp with one button
@soix  Thanks for the suggestion. Unfortunately my amp is pure class A and tube so i can't leave them on 24/7. @elliottbnewcombjr @yakbob  Thanks for the info!  You are right none of my components have 12v trigger inputs. I decided to get a power ... 
put tube amp on to shelf of a rack
@lukaske @aewarren @backtothe80s @jnorris2005 @jond  @mboldda1  @twoleftears @facten  Thanks all for the additional input! I decided to just put the amp on the floor beneath the media console for now where it should have enough air flow through it... 
put tube amp on to shelf of a rack
@ebm  @lak @elevick @elliottbnewcombjr @millercarbonThanks a lot for all the suggestions! I think with peg boards and sliders it should work to slide it in to the bottom shelf.However I also see the concerns about heating up equipments on top. I w... 
put tube amp on to shelf of a rack
@millercarbon Thanks. Where can I find a small forklift for home use? Did not find one that may work from a quick search. 
VAC 70/70 mk3 tube rolling question
@lowrider57  I heard back from Kevin this morning. Actually it is V1 and V4 are drivers and V2 V3 are phase splitters. Here is Kevin's response:"Yes, it is perfectly fine to mix brands of 6SN7. In your scenario, use one brand for the V1x positions... 
VAC 70/70 mk3 tube rolling question
@lowrider57  Thanks! I came across this ad https://www.canuckaudiomart.com/details/649558669-vac-valve-amplification-company-renaissance-7070-mk-iii-mint/ and by checking at the pictures my best guess would be that V1, V4 are phase inverters and V... 
VAC 70/70 mk3 tube rolling question
@drrsutliff  Thanks for the info! Too bad the figures that are showing which socket is which are missing in the online manual. I sent Kevin an email asking about the placement. Hope he can get back to me soon.  
VAC 70/70 III Owners......6SN7, 300B Recomm.
@rodman99999  Thanks. Do you know which sockets are which (splitter, driver) in the 4 sockets from left to right? Can't find that info in the manual. Thanks. 
VAC 70/70 mk3 tube rolling question
@lowrider57  Yes I checked the user manual online here: http://www.vac-amps.com/manuals/Manual_Ren70-70.pdfUnfortunately the Figures that shown the tube placement are missing. (figure 2). 
VAC 70/70 mk3 tube rolling question
@rodman99999  Thanks a lot for these info! I purchased my two pairs of 6sn7 from Brent at audiotube.com. He helped me picking up those sets. Personally I don't have a lot of experiences with tube rolling.  
VAC 70/70 mk3 tube rolling question
@lowrider57  Thanks for the helpful information. Forgive me as I don't understand all the details of the williamson circuit and I can't upload photos here. So basically there are four 6sn7 tubes in the front row of 70/70. Assume they are V1, V2, V... 
VAC 70/70 III Owners......6SN7, 300B Recomm.
I recently purchased a VAC 70/70 mk3 s. where can I find more information about the tubes diagram for the amp? I know it uses two 6sn7 per channel. Are there any differences in functionality between the two 6sn7 used for each channel? For example,...