CADCAM
Headphoneus Supremus
EI-6HM5:http://www.ebay.com/itm/EI-6HM5-EC900-6HA5-6HQ5-former-Yugoslavia-MATCHED-PAIR-TUBE-NOS-/400771715218?pt=LH_DefaultDomain_0&hash=item5d4fdb1092
6N6P-IR:http://www.ebay.com/itm/6N6P-IR-ECC99-E182CC-high-durable-double-triode-tubes-Lot-of-2-NOS-/261418431621?pt=LH_DefaultDomain_0&hash=item3cddc0b485
Exactly from here i bought the tubes,sellers are very serious!
Ordered the Yugoslavian 6HM5, let you guys know how they sound when they come it.
Already using the Russian power tubes so I'm excited to hear if they are an improvement over the already great sounding Voskhod with the HD600.