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ALO The Pan Am - The tube rolling thread - Page 8

post #106 of 110

Hey Oskari,

I've a couple photos of the other side as well as the original boxes.

I'll need to look closer for any etched codes.

 

 

post #107 of 110
Quote:
Originally Posted by dmhenley View Post
 

Hey Oskari,

I've a couple photos of the other side as well as the original boxes.

I'll need to look closer for any etched codes.

 

Ah, the "SDA" should mean AWV in Australia.

post #108 of 110

Hi ,

I received the 5654 RT Radiotechnical Philips France Matched Pairs ! For me they literally disappear while the other tubes that I had, Mullard (5654 / cv4010),  6HM5 Sylvania, General Electric 6HM5, Amperex 6HQ5 ... I also Voshkod 6ZH1P-EV that I have not tested yet but these RTC tubes are more open, detailed, dense, beautiful voice, wide soundstage ... You'll understand I like them a lot, so much that I do not listen to the PANAM with Concero dac of Resonessence Labs ! I like the PANAM works wonderfully alone with my LCD-2 Fazor or my Oppo PM-2, I expect next week a Ultrasone Signature PRO ! I have in mind the tubes that will wonderfully with SIGPRO are the General Electric 6HM5, less spacious but a bit on the mid-bass !

post #109 of 110

Week 2 with the Pan Am and AKG Q701's -

CV4010 vs Mullard 5654

 

Switching back to the Mullard 5654 after some time with the CV4010.

 

Generally, the 5654 have richer mids. Not congested, but more present. More touch, and texture.

Vocals are closer, and more tactile. This character extends into the bass. Bass has more bloom here.  

More colorful in comparison. Saturated. Stage is more intimate - smaller.

 

In contrast, while the CV4010 have similarly great mids - they are recessed in comparison. So, more air as the highs share the spotlight. They are more relaxed and natural in presentation. They don't sound dry to me, but are, set against the 5654.

Stage is deeper, light reaches farther into that space. Slightly less tactile, and more airy. Less saturated.
 
I love both of these tubes.They are closely related, but of slightly different character. 
 
I am going to hang with the 5654 for a while now, as they put a bit more meat on the Q701's bones.
post #110 of 110

Cifte 5654 on the way!

Looking forward to doing another comparison.

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