billerb1
Headphoneus Supremus
Another from the Swiss Tubes ebay auction for those looking for a possible deal on Heerlen E188CC's. These look like VR6 1966's...
http://www.ebay.com/itm/2x-Philips-E188CC-USED-TUBES-/391594514811?hash=item5b2cda197b:g:MQ4AAOSwxKtX~250
http://www.ebay.com/itm/2x-Philips-E188CC-USED-TUBES-/391594514811?hash=item5b2cda197b:g:MQ4AAOSwxKtX~250