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Customer Reviews
	Fantastic and versatile!		2/26/2008
Reviewed by:	Eric H. Anderson from Belmont, MA.
I''ve put a bunch more hours on this tube, and it''s the first that I love with both the Etymotic ER-4S AND the Sennheiser HD 650! (Other tubes I''ve tried sound good with one or the other, but never both.) It sounds detailed, neutral, and extended on both headphones!
	Excellent tube!		1/11/2008
Reviewed by:	Eric H. Anderson from Belmont, MA.
I use this tube in a Mapletree HD2 heaphone amplifier with Etymotic ER-4S earphones. It''s the best tube I''ve tried yet, of about a dozen NOS and current-production. I like it because it offers excellent frequency extension into the treble and the bass both, and the frequency response seems neutral. The combination of neutrality with excellent frequency extension on both ends really appeals to me.
	Simply Incredible		12/1/2006
Reviewed by:	John Valvano from Amherst, NH.
These tubes are everything the description says. They are smooth, neutral, detailed and have incredible bass. I am using the Tungsrams and the Mullard Old Logo in my Primaluna Prologue 1. The result is simply astonishing. It quite literally was like getting a new amp. It is one of those musical epiphanies that has you going through your whole music collection because you are hearing things you never heard before from music you''ve listened to thousands of times. Simply incredible!

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