SET amp owners thread

[CGabriel]

What do you think is the minimum power requirement for vittora? Also, roughly a 7m x 5m room can work or is bigger required

Well the impedance curve is very tube friendly so a couple good quality watts should be plenty. I am still thinking about which 2A3 tube amp to try. Perhaps a Bottlehead, Whammerdyne, Triode Labs or Audionote kit. Any suggestions would be appreciated. I don’t like a “classic” tubby, tubey amp. An even tonal balance and purity with coherent timing is my preference.

 

[morricab]

Since when are the La Bohèmes allowed in the living room?

Since yesterday . Still working on being allowed to set them up properly and I still need to bring Genus down to put on them...

 

[Blue58]

I dunno Barry - I think they look right up there externally. Any shots of the internals?

A not very pretty shot and since then, 2016, I’ve changed L2 and replaced the Caddock and Vishal film with AN Silver Tantalum.
Hoping to replace RCA jacks with Bocchino TomCats and possibly binding posts too in 2019.

 

[Audiophile Bill]

A not very pretty shot and since then, 2016, I’ve changed L2 and replaced the Caddock and Vishal film with AN Silver Tantalum.
Hoping to replace RCA jacks with Bocchino TomCats and possibly binding posts too in 2019.

View attachment 47094

How are the Audyn True Copper caps? I just used their MKP ones in my crossover.

 

[Blue58]

How are the Audyn True Copper caps? I just used their MKP ones in my crossover.

True copper are great caps when Jupiter caps are not available or too large or expensive. I believe they have standard copper used solely for crossover duties.

Never used Deulund so for me these are the best two however if using multiple bypasses then mix & match your caps depending on what you want to achieve.

No experience with the Audyn MKP but Mark may tell you to bypass using the Deulund silver bypass cap.

Cheers

 

[Blue58]

Sorry for derailing the thread. Let’s get back to SET land.

Anyone using those BIG single tubes like 1610 or 340TL?

 

[Steve Williams]

How about the GM-70's on my ML3. They can light up a room

 

[sujay]

Ze’ev who is one of the owners of PAP came to visit our factory a few months back. Unfortunately, I was out of town at the time but Richard and Mino gabe him a tour and then they all spent some time in the reference room listening to the Quintet. At this time we were using the Constellation kit to power them. We had already started some mod experiments so we demonstrated them to him. The first, obviously, was using our VTX, hollow tube, wiring to cable the speakers. We used 12 gauge to the woofers and a 16VTX-FEP to the Horn1. Then, we demonstrated the mod to the crossover PCB. We had modified one PCB and left the other stock. This is the Leonidas crossover BTW. We played a mono signal and switched from one speaker to the other. The difference in clarity and transparency was OBVIOUS to everyone. Ze’ev has a bit startled by the result and was certain that we had made some other change so Mino had him examine the speakers and the crossovers. Easy to do since the PAP open baffle design leaves everything exposed.

Ze’ev apparently is or has already developed different baffles for the speaker. I think he said something about using wood normally used in a piano. Of course I would love to give those a try. But we are doing something a bit different as we have our own ideas that we want to play around with. We are making a single, monolithic baffle for all the drivers from layered bamboo stock. And with it a support frame and platform made from the same material. We intend to make a hole in the support platform for the crossover and suspend it (float it) with some of the polymer isolation straps we use for the DF-SS cable support product.[/QUOTE
Thanks. Amazing quest. Do look forward to the compares when you get round to it.

 

[Dthagerty@aol.com]

Well the impedance curve is very tube friendly so a couple good quality watts should be plenty. I am still thinking about which 2A3 tube amp to try. Perhaps a Bottlehead, Whammerdyne, Triode Labs or Audionote kit. Any suggestions would be appreciated. I don’t like a “classic” tubby, tubey amp. An even tonal balance and purity with coherent timing is my preference.

I have Bottlehead Paramounts, and they definitely do NOT have a classic tubey sound. They are direct-coupled and nicely detailed and slightly warm with EML meshplate 2A3’s. I also have ANKits EL34 triple C-core monoblocks with Jupiter copper coupling caps and Vishay Z-foil resistors in the signal path. Very clear, quiet, and with more bass compared to the Paramounts, with only slightly less of that SET “direct-ness”. Also not “tubey”. Love them both.

 

[Sablon Audio]

Building a kit like these two is a great learning experience and allows for easy component upgrades.

 

[CGabriel]

Sorry for derailing the thread. Let’s get back to SET land.

Anyone using those BIG single tubes like 1610 or 340TL?

AA62B

 

[morricab]

AA62B

View attachment 47108

Nice. Had the Vulcan Evo for review and owned crossfire III.

 

[microstrip]

Building a kit like these two is a great learning experience and allows for easy component upgrades.

Bottlehead kits are great , they have much more elaborate circuits than we could expect. I have built their tape head preamplfier https://bottlehead.com/eros-tape-head-preamplifier-kit/- and loved their suggestion to get a magnifying lamp - I have them at work, now I had a reason to buy one for home use!

 

[Believe High Fidelity]

Just hit my inbox today

 

[CGabriel]

Just hit my inbox today

View attachment 47130

Congrats well deserved!

 

[Believe High Fidelity]

Congrats well deserved!

Thank you

 

[CGabriel]

I have Bottlehead Paramounts, and they definitely do NOT have a classic tubey sound. They are direct-coupled and nicely detailed and slightly warm with EML meshplate 2A3’s. I also have ANKits EL34 triple C-core monoblocks with Jupiter copper coupling caps and Vishay Z-foil resistors in the signal path. Very clear, quiet, and with more bass compared to the Paramounts, with only slightly less of that SET “direct-ness”. Also not “tubey”. Love them both.

Yes, Dan has some great designs that are very reasonable to build. I had one of his tape preamps for a rebuilt Ampex that sounded great.

 

[christoph]

Sorry for derailing the thread. Let’s get back to SET land.

Anyone using those BIG single tubes like 1610 or 340TL?

Yes, Kronzilla SX

 

[Keyplayer]

Antique Sound Lab 845 Set Monos with Odeon No.30 Speaker.

 

[morricab]

Antique Sound Lab 845 Set Monos with Odeon No.30 Speaker.
View attachment 47272
View attachment 47273

You have number 30s! Cool. I have La Bohemes, which are from the same generation.