Has anyone purchased this board on eBay ? How much do the cattle eat ?
http://www.ebay.com/itm/Ultra-linear-push-pull-type-6SL7-6V6-Tube-power-amplifier-DIY-Kit-12W-No-tube-/132039159875?hash=item1ebe25b043:g:yQUAAOSw1~JZPPLq
Details about Ultra-linear push-pull type 6SL7+6V6 Tube power amplifier DIY Kit (12W) No tube
The use of ultra-linear architecture, each channel output cattle have to take five lines, plus feedback and filament, This version wiring amount it will seem a lot, But it does not affect the excellent replay effect. This version not need to debug, This is a mature and stable circuit, As long as you do not install the wrong, Connect power supply can play sounds.
This is an extremely rare no trace of hum, noise floor, ultra-linear push-pull circuit, and the low-frequency dynamic than the average single-ended tube amplifier is much better.