2018 Carverfest Tube Power Amplifier Build

12th Annual CARVERFEST 2018 September 5th - 19th
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Robert R
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2018 Carverfest Tube Power Amplifier Build

Post by Robert R » Sun Dec 10, 2017 6:54 pm

Bob has been talking, on and off, about another Fest amplifier build ever since the September 2017 get-together at Watershed; a kit-form amp with a single pair of KT-whatevers. He's dead serious about it; before October the design was already almost fully formed in his head.

Power levels might end up anywhere in the range of from 65 to over 100 watts per channel, so it would, for example, drive the Carverfest speakers to a lot more authoritative levels than the EL84/6BQ5 amps. It would be designed in quick-kit form, on a single stereo chassis.

I just got back to the USA this weekend, and Bob left me a message to call him. He's got it all designed in his head, and he's near to having birthing pains. A breadboard version that he's been messing with is operational. He wants to test the interest level of fest-goers and, as he never even looks at either forum, I've been given the job of being his go-between. If there's enough demand from Carverfest attendees the project will move forward.

The details come from him slowly. At this point it's to be a single chassis, one pair of output tubes per channel. Maybe 75 watts with KT-88s; probably over 100w with KT-120s. Tubes would be included; obviously a somewhat higher cost for the larger type.

The build would be far easier than the 2012 amps were. For most of the wiring Bob wants to use a circuit board, which would be supplied completely built and tested. Thus these amps would be a sort of semi-kit.

Cost will be very affordable – certainly way below what you'd pay for anything like it elsewhere.
I asked if Festers can buy more than one and he said, “Sure – they can buy as many as they like”. As to non-attending Forum members, he's still thinking about that. Probably available, but at something above the break-even range of the the Fest price.

Lets hear your thoughts and questions. This project would not interfere with James' sub plans – neither build should be very time-consuming. It would be great if we could do both!

Robert R


Interested Members and Quantities
44 members - 62+ amplifiers based on quantity availability

-------------------------------------------------
hewlew1 - 2 or 4
frenchguy - 2
radioeng2 - 1
Magnaryder - 2
Shortcake - 1
Morris - 1
Toy Maker - 2
sea - 2
BrianT - 1
kingman - 1
MRHP - 1
Don - 1
mbskeam - 1
engtaz - 1
Zoot Horn - 1
Robert R - 1
dennismiller55 - 2
BobSmi57 -1
loner_t -1
Martin1970 - 2
UncleMeat - 3
trav0810 - 1
peck555 - 1
jldeni - 1
iamjohngalt - 2
packratt - 2
pmat - 1 or 2
jjptkd - 1
angelod307 - 1
Dennis47 - 1
wrf - 2
B-Man - 2
tonebells - 1
Greg and Jenny - 1
Ar9Jim, Jim Clark, from the CS forum - 1
AndrewJohn - 2
DCL - 1
Ar9Jim - 1
Dnspy007 - 2
HappyTrails - 1
BarryG - 1
OldTexasDog - 1
CompWaco - 1
SkiBum - 1
"You know what folks? I'm happy."

hewlew1
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by hewlew1 » Sun Dec 10, 2017 7:11 pm

I am in ! Bob and I had several conversations on the power output of these amps. 105 watts was his magic # as well as bridgable. Fucking cool I can't wait.
"Carver Audio, why settle for less, just ask my neighbors"
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frenchguy
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by frenchguy » Sun Dec 10, 2017 7:26 pm

sounds interesting, count me in too! 8)
Carver Silver 7t mono blocks, Carver M-4.0t & 2 tfm 42,s. ct-6 & ct-17, sda390t,TX11 tuner, jolida jd 100A. JBL L96 & JBL 4401,s W/Ribbon Tweeters, Dared SL-2000A tube preamp, Dared MP-5BT Integrated vacuum tube amp, 2 sets of Carver Amazing Silver speakers, oak & black. Carver Cinema 5.1 subwoofer & Tesla audio Carverfest satellite ribbon speakers & stands & Douglas connection cables

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radioeng2
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by radioeng2 » Sun Dec 10, 2017 7:35 pm

Oh-boy! I'm in!

I'd suspect in the end we'd be looking at a similar count to what we did before. Bigger amp, costs will be much more but we might stack a few more people in as attendees than we did then. So maybe similar number in the final tally.

Let's hold on too much speculation until things get firmed up a bit. So please don't overload Robert with too, too many questions just yet folks.

Mark
I was there "At the Fest!" Hope you were too!

packratt
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by packratt » Sun Dec 10, 2017 7:42 pm

Bob and Toymaker need to coordinate and figure out if it is Amp or Sub for 2018.

woopse! missed the last line of your post Robert.

I'm interested depending on price but I'm in the likely unable to attend group.
Last edited by packratt on Sun Dec 10, 2017 9:03 pm, edited 1 time in total.

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radioeng2
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by radioeng2 » Sun Dec 10, 2017 7:55 pm

IN
-Harry
-Al
-Mark
-Ray
-Carolee

OUT
-

NON ATTENDEE INTERESTED
-Packratt
Last edited by radioeng2 on Sun Dec 10, 2017 8:40 pm, edited 1 time in total.
I was there "At the Fest!" Hope you were too!

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Magnaryder
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by Magnaryder » Sun Dec 10, 2017 8:03 pm

IN!!!! In a big way.

ray
Magnaryder

Its going to be used equipment when I sell it, so it may as well be used equipment when I buy it.

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Shortcake
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by Shortcake » Sun Dec 10, 2017 8:22 pm

radioeng2 wrote:IN
-Harry
-Al
-Mark
-

OUT
-

NON ATTENDEE INTERESTED
-Packratt


COOOL. I am in - and Bob promised me the prototype!!! I have been reminding him as ordered by Bob himself!!!
“Music gives a soul to the universe, wings to the mind, flight to the imagination and life to everything.” ― Plato

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UncleMeat
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by UncleMeat » Sun Dec 10, 2017 9:58 pm

I'm in! Not sure if I can attend yet, but definitely would like to buy the tube amp kit(s).

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iamjohngalt
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by iamjohngalt » Mon Dec 11, 2017 10:18 am

Greatest idea !
Perfect timing, too.
Count me in for my first Carverfest.
Components: Power Amps-Carver m4.0t, 1.0t, 1.5t, TFM22. Sherbourne 5/5210. Preamps: Carver C-1, Music Angel, Emotiva UMC-1. Speakers: Magnepan MG3a, MG2.5, MG1.6, Athena AS-F1, Emotiva 4S. Source: Dell Precision T5500. Wheels: '99 Miata 10AE.
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Bob Carver belongs in such company as these.

trav0810
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by trav0810 » Mon Dec 11, 2017 10:46 am

I'm definitely in.

Morris
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by Morris » Mon Dec 11, 2017 11:01 am

I'm hoping to make this my first Carverfest because of this amp project. I'm in!

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radioeng2
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by radioeng2 » Mon Dec 11, 2017 11:13 am

Since at this time this is just an expression of interest to Bob, I'll toss people in where they hope/think they will land. If things change as far as being able to attend, in or out, then it changes then and is a bit less important than right now letting Bob know the level of interest.

IN
-Harry
-Al
-Mark
-Ray
-Carole
-iamjohngalt
-Travis
-Morris

OUT
-

NON ATTENDEE INTERESTED
-Packratt
-UncleMeat

Absolutely awesome to see some new names coming up! This is a one time opportunity...

Mark
I was there "At the Fest!" Hope you were too!

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Toy Maker
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by Toy Maker » Mon Dec 11, 2017 12:25 pm

Sounds like tons of fun.

In light of Bob's amp build, I'm going to go ahead and bow out of the subwoofer build project. I know CarverFest itself is pretty expensive, and to try to have 2 different builds at the same time each at a cost of around $500... I just don't see that being very practical at all for most people.

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sea
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Re: 2018 Carverfest Tube Power Amplifier Build

Post by sea » Mon Dec 11, 2017 6:19 pm

Count me in!

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