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ALO Pan Am desktop/portable headphone amp/DAC: Impressions and Reviews - Page 38

post #556 of 562
My galaxy note 3 creates noise into the amp unless there is 3 feet minimum between the 2

I have siemens, mullards and voskhod tubes and so far I prefer the Russians
post #557 of 562
I received my Pan Am on Saturday, I bought it from a fellow member here with a pair of Siemens & Russian tubes. I had been listening to my AKG Q701's with my Fiio E17 & had expected the Pan Am to blow the Fiio out of the water which quite frankly didn't happen. I spent the weekend listening to the Pan Am rolling the stock tubes, the Russian tubes & the Siemens, overall I am not hearing the warmth & smoothness I expected out of a tube amp so I've ordered the Mullards & French tubes. At this point I am thinking the bottleneck is the AKG's so I'm looking for a new set of cans that sound as detailed & lively as the AKG's with a little less harshness in the treble region. I listen to rock music exclusively & owned a pair of HD598's that I found grainy & dull. So where do I go from here? My budget is around $400 used, as much as I'd love the LCD2 that isn't going to happen just yet, I'd like to enjoy the journey trying a few different cans learning the various sound signatures that are out there. The Hifiman cans look interesting but I can't demo anything locally & there isn't a meet locally for a while. So where do I go from here?
Also if it matters I only have the wall wart for my Pan Am, I do have a portable battery that I can use to power the Pan Am but I don't know if the lack of the Gateway or Passport is my problem?
Edited by Fishwater - 4/14/14 at 4:02am
post #558 of 562
Quote:
Originally Posted by Fishwater View Post

I received my Pan Am on Saturday, I bought it from a fellow member here with a pair of Siemens & Russian tubes. I had been listening to my AKG Q701's with my Fiio E17 & had expected the Pan Am to blow the Fiio out of the water which quite frankly didn't happen. I spent the weekend listening to the Pan Am rolling the stock tubes, the Russian tubes & the Siemens, overall I am not hearing the warmth & smoothness I expected out of a tube amp so I've ordered the Mullards & French tubes. At this point I am thinking the bottleneck is the AKG's so I'm looking for a new set of cans that sound as detailed & lively as the AKG's with a little less harshness in the treble region. I listen to rock music exclusively & owned a pair of HD598's that I found grainy & dull. So where do I go from here? My budget is around $400 used, as much as I'd love the LCD2 that isn't going to happen just yet, I'd like to enjoy the journey trying a few different cans learning the various sound signatures that are out there. The Hifiman cans look interesting but I can't demo anything locally & there isn't a meet locally for a while. So where do I go from here?
Also if it matters I only have the wall wart for my Pan Am, I do have a portable battery that I can use to power the Pan Am but I don't know if the lack of the Gateway or Passport is my problem?

Tubes need burn in so you might not notice the difference between the sound at short period of time. Anyway you might wanna try HD600 

post #559 of 562
yes hd 600 or even hifiman HE 400 would be a good choice in your price limit

The pan am pairs perfectly with the LCd 2 but it's not the same budget
post #560 of 562

Tube noob here as I've always been a SS guy. Got my Pan Am a few weeks back through Audeze and I'm trying to ID my tubes. It seems like most previous comments mentioned that the stock tubes were of chinese origin and some people thought the $9 russian tubes were a worthwhile upgrade. However, when looking at the tubes I have, they look a lot like the Russian tubes on the ALO website. How do I tell?

 

1 tube has a Triangle with "4 OTK" in it and a diamond with what looks like A 519/10 Pi (symbol, not text).

The other tubes lettering is much more faint. Not sure if I somehow rubbed it off while plugging/unplugging it, but I've inserted/removed them < 3 times.

 

Same tubes, different angle.

post #561 of 562

These are my russian tubes bought from the ALO website

 

These are the stock tubes that come with the Pan Am. I cant really make out anything except it has a star symbol at the center.

 

not sure if this helps at all haha


Edited by Veetastic - 4/15/14 at 6:13pm
post #562 of 562
Mine have 6Ж1П-EB printed and a rocket logo
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