Inspire audio equipment

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straitwire

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Re: Inspire audio equipment
« Reply #40 on: 12 Mar 2021, 02:42 am »
Nice!!  What are your impressions of their sound relative to other new production 300B's available?
Dennis say's they sound better than all the other new offerings.

genjamon

Re: Inspire audio equipment
« Reply #41 on: 12 Mar 2021, 03:56 am »
Wow, great to hear that assessment. Even the Takatsuki’s? That’s saying a lot.

straitwire

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Re: Inspire audio equipment
« Reply #42 on: 12 Mar 2021, 12:50 pm »
Let me rephrase that :duh:...The new WE 300B's sound better than all the tubes he has compared them to...Which probably does not include the Takatsuki's...
 I have not listened to the amp yet, we have a listening session scheduled for next Thursday.

Sonicjoy

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Re: Inspire audio equipment
« Reply #43 on: 16 Mar 2021, 12:43 pm »
That 300B looks great! Would love to hear it. Heck I wish I could hear all the Inspire amps, so I could pick my favorite.

Straitwire here is my 6/28/2016 amp. Can you tell if it has the power supply upgrade?

Also I never did get a reply from Dennis about a tube chart. I would really like that info if possible.


This is the sellers photo from the ad. It's much cleaner now.



straitwire

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Re: Inspire audio equipment
« Reply #44 on: 16 Mar 2021, 07:49 pm »
Hey Sonicjoy, sorry it took so long to reply.
  Your unit does not have the IIPS (Infinite Impedance Power Supply).
 I will ask Dennis about the tube chart that applies to your amp.

Sonicjoy

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Re: Inspire audio equipment
« Reply #45 on: 17 Mar 2021, 01:06 am »
Hey thanks a lot Straitwire! That would be great! I still have the stock tubes in it, and it sounds great, so have not been worried about rolling yet.

straitwire

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Re: Inspire audio equipment
« Reply #46 on: 17 Mar 2021, 01:41 am »
Here you go Sonicjoy.




Sonicjoy

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Re: Inspire audio equipment
« Reply #47 on: 17 Mar 2021, 03:19 am »
Awesome! Thank you.

straitwire

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Re: Inspire audio equipment
« Reply #48 on: 20 Mar 2021, 04:02 pm »
You're welcome Sonicjoy, I spoke with Dennis about your amp and there are some things that can be done to update your unit.

I brought home some KT170 tubes (thanks Dennis) and I'm very impressed with them.
Lately I've been using a 6BX7 input tube.
It has less gain than a 6SN7 but my phono preamp has enough output to compensate.




Sonicjoy

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Re: Inspire audio equipment
« Reply #49 on: 20 Mar 2021, 07:05 pm »
Wow! Those KT-170's are huge! They are a new tube to the market correct? Can I use them in the HO? They seem to be related to the KT-88, 120's and 150's which all work in the HO. I have been thinking of trying the KT-120's next.


straitwire

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Re: Inspire audio equipment
« Reply #50 on: 20 Mar 2021, 07:14 pm »
Hey Sonicjoy, Yes they're a new tube and they'll work in your amp.

Sonicjoy

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Re: Inspire audio equipment
« Reply #51 on: 20 Mar 2021, 07:34 pm »
Cool! Just looked up the specs, and they look like they would be a very tight fit. They would almost touch each other and also the driver tube. 68mm dia.

straitwire

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Re: Inspire audio equipment
« Reply #52 on: 20 Mar 2021, 07:54 pm »
I have not put them in that chassis so I need to see if they fit or not.
 Dennis has his in a 6V6'er chassis which is similar to mine.
 It looks like there is about 9mm difference between a KT150 and a KT170.

Sonicjoy

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Re: Inspire audio equipment
« Reply #53 on: 20 Mar 2021, 08:09 pm »
Please post when you get a chance to try them. Be nice to know if they fit. I do want to try tube rolling soon and why not start with these.

Should I try and contact Dennis about upgrading the amp, or is that something you can arrange?

david45

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Re: Inspire audio equipment
« Reply #54 on: 20 Mar 2021, 08:53 pm »
I have not put them in that chassis so I need to see if they fit or not.
 Dennis has his in a 6V6'er chassis which is similar to mine.
 It looks like there is about 9mm difference between a KT150 and a KT170.

6v6’er chassis is the same as my 6flv-v amp, correct?
Does that mean I can give them a try?  :hyper:

straitwire

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Re: Inspire audio equipment
« Reply #55 on: 20 Mar 2021, 09:26 pm »
Hey Sonicjoy and david45, OMG I just spent a half hour typing a reply only to have it disappear. :duh:
 I will post a reply in an hour or so.

straitwire

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Re: Inspire audio equipment
« Reply #56 on: 20 Mar 2021, 09:54 pm »
Okay, all of the layouts I have done on all the different amps we have built I made sure that the KT150 tube would fit.
 The KT170 is a new tube and I had not looked up the size of it.
 The KT150 is 59mm at it's largest point.
 My KT170 tubes are 67mm at their largest point.
 I have done some measuring using the template for the 8"x10" chassis that you have Sonicjoy.
 The 6FLV-V chassis should also be on an 8"x10" chassis david45 unless Dennis used a 6.5"x13" like my chassis.
 Sometimes Dennis uses a different chassis at the beginning of production of a unit before he settles on the  chassis he wants to use on an ongoing basis.
 I assumed that the KT170 tube would work on the 8"x10" chassis.
 I think it will from my initial measurements but I don't have an 8"10" chassis at my house.
 I will go to the shop tomorrow and mount tube sockets and plug in my KT 170 tubes and a straight glass input tube to make sure they fit.
 Sonicjoy, I will tell Dennis you are interested in an update and I will let you know what to do.

sunnydaze

Re: Inspire audio equipment
« Reply #57 on: 20 Mar 2021, 11:02 pm »
Hey Sonicjoy and david45, OMG I just spent a half hour typing a reply only to have it disappear. :duh:
 I will post a reply in an hour or so.

When in the middle of typing a long post, every once in a while "paint and copy" it.  This way if you somehow lose the post, just start a new post and "paste" it.  What you lose is limited to what you typed since your last "copy".

Like you, I learned this the hard way.   :?   

Sonicjoy

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Re: Inspire audio equipment
« Reply #58 on: 20 Mar 2021, 11:26 pm »
LOL! I think we all have had that happen.

Sonicjoy

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Re: Inspire audio equipment
« Reply #59 on: 20 Mar 2021, 11:30 pm »
Sonicjoy, I will tell Dennis you are interested in an update and I will let you know what to do.

Great, thanks! I will wait to hear from you.