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2359glenn | studio
Jan 11, 2018 at 3:20 PM Post #17,821 of 39,986
Using a Ken Rad 6sn7gt and a pair of Cetron 6336B with Audeze LCD-2f - with boost switch on. There's few life's pleasure than listening to music that sounds so good.... and I have 10 mins left before I have to go to work ..... :L3000:

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Jan 11, 2018 at 10:59 PM Post #17,824 of 39,986
It's been fairly quiet here today, so I thought I would liven things up with a little mesh-plate Type 27 goodness. :)

These are Sylvania Type 27, labeled as Philco, manufactured in 1931. What I find interesting is that even in the early 1930s, these have that signature Sylvania sound, very lively with sparkly highs, similar to the 6SN7W. To my ears, Sylvania highs do not match up well with the GEC rectifier I usually use, too much treble, but with the darker Cossar 53KU they have great synergy. :)

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Jan 11, 2018 at 11:16 PM Post #17,826 of 39,986
gibosi said:
It's been fairly quiet here today, so I thought I would liven things up with a little mesh-plate Type 27 goodness. :)

These are Sylvania Type 27, labeled as Philco, manufactured in 1931. What I find interesting is that even in the early 1930s, these have that signature Sylvania sound, very lively with sparkly highs, similar to the 6SN7W. To my ears, Sylvania highs do not match up well with the GEC rectifier I usually use, too much treble, but with the darker Cossar 53KU they have great synergy. :)

Click to expand...
In your opinion what is other rectifier that has a dark sound like 53KU?
 
Jan 11, 2018 at 11:26 PM Post #17,827 of 39,986
JazzVinyl said:
Interesting looking tubes, g!! I see two in the drivers seat, that is one one for left and one for the right channel?
And externally heated?

I find the bass 'very distinct' in 6SN7W as well....
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Yes, these are early single triodes, with globe bottles and mesh plates. They were initially developed by Westinghouse and first marketed as RCA UY-227 in 1927. Each triode requires 1.75A at 2.5V requiring external heating.
 
Jan 12, 2018 at 2:35 AM Post #17,830 of 39,986
JazzVinyl said:
What about your amp, Matt...

Did you give it a nickname?
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I was going to call it Elvis Presley but I'm afraid the king might come back and sue me so I refrain. It was going to be Ulysses initially but since the amp came home, the name no longer applies. So at the moment it's nameless. I was going to call it UntilThen but that would be infringing on my own copyright. So it is simply GlennOTL for the time being.
 
Jan 12, 2018 at 5:27 AM Post #17,831 of 39,986
gibosi said:
5-volt rectifiers: Mullard GZ37, GZ34, GZ33 and GZ32, and
4-volt rectifiers, in addition to Mullard and Cossor, the Mazda UU7 and UU8. And I would include most Philips Eindhoven-made rectifiers.
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I have to grab me one of these Mullards, I really want to pair it with the HD800 on the EL3N amp.
I am also going to see about some more 80 globe tubes, these are fantastic.

Since they came from old radios... they are labeled Philco, Silvertone,Cunningham, Fado Radio, Westinghouse ect.
I am not sure of the differences in sound, so I should probably check with Glenn.

Glenn, am I correct in assuming that 80, 280, UX280, X280, 380, CX380 will all work in my amp with the adapter that I have ?
 
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Jan 12, 2018 at 6:50 AM Post #17,832 of 39,986
UntilThen said:
Woke up this morning and it's one month anniversary of having GOTL. Last year I set out to assemble a stereo system I could enjoy with speakers. I got that and for a while, speakers became my primary means of listening to music. Then GOTL came and now the pendulum has swung back to head-fi. I've been using this tube amp and my headphones mainly.

As Glenn said, this is a fun amp with so many tube options. It's not just fun, it sounds like a Rolls Royce. The hard part is deciding which tubes to use daily.
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It's fun to own a Rolls Royce not that I ever will.
 
Jan 12, 2018 at 7:00 AM Post #17,833 of 39,986
whirlwind said:
I have to grab me one of these Mullards, I really want to pair it with the HD800 on the EL3N amp.
I am also going to see about some more 80 globe tubes, these are fantastic.

Since they came from old radios... they are labeled Philco, Silvertone,Cunningham, Fado Radio, Westinghouse ect.
I am not sure of the differences in sound, so I should probably check with Glenn.

Glenn, am I correct in assuming that 80, 280, UX280, X280, 380, CX380 will all work in my amp with the adapter that I have ?
Click to expand...

They are all the same tube the different numbers are from different manufactures . There is also a UX480 from DeForest.
 
Jan 12, 2018 at 7:17 AM Post #17,834 of 39,986
It's the start of the weekend, which means 48 hours of glorious music. I have connected back Ragnarok because it's a shame to put a $2850 piece of gear on the floor. To my surprise Ragnarok came close to within 85% of GOTL sweetness. It's sharper, more ss tone like - that's shouldn't be a surprise. GOTL however has the good attributes of an ss amp (attack, transient response, definition and clarity) and the glorious tones of tube goodness. More airy, more height, more depth, more plush. It is a Rolls Royce indeed. :smile_phones:

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