- #Ebay bk butler tube driver how to#
- #Ebay bk butler tube driver update#
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Run the 10 ohm resistor (R16) from the 12VAC source (probably a trafo in most cases) straight to the heaters. There’s also been reports of this being quite noisy, and I’m happy to pass on coi2001’s suggested fix leave the heater resistor off the board since that’s the main noise source.
#Ebay bk butler tube driver update#
Update (): Thanks to several of you for verifying this one!
#Ebay bk butler tube driver how to#
Don’t do it if you’re not sure how to do it safely.
Use a small mains transformer or a good 12v AC power supply, and be careful when playing with mains power. I really should draw a proper diagram for this.ĭo note that this effect requires 12v AC power and not DC like most other effects. The wiring explanation is a bit convoluted as well, sorry. The effect uses a preamp tube of type ECC83 / 12AX7, and I guess you would need some ventilation in your enclosure.
I left as much space as I felt was necessary for the large supply caps, but I’m afraid it could still end up being a bit crowded. Here’s an overdrive pedal that uses an actual preamp tube, which is quite exciting.īased on Bajaman’s schematic I created a layout with wiring for the tube pins (since I can’t imagine a tube socket fitting neatly on a piece of vero board). Now I need another set for my Mini Maggies.This one was requested a long time ago. I am not an engineer, so I may be speaking out of school, but my conclusion is these wires are a big “pipe” and any amplifier will benefit by more easily delivering its output to the speaker, particularly inefficient speakers like my Magnepans. What a difference! It can now fill my 12 x 15 room with sound at a decent level, and the sound quality is so much better. Just for grins I hooked up my $99 Lepai 30W/Channel Class D Integrated. The bass was excellent – tight, fast, and accurately low. 7’s are about 6 months old, so perhaps some of this is attributable to break-in, but regardless this made me smile. I never felt the need to hook up my DWM bass panel. And for the first time I was satisfied with the bass the. The Rogue, in particular, seemed much more capable, particularly at higher levels, than ever before. Each amplifier sounded more effortless in its delivery. And that is the difference I heard when I hooked up these wires. For the most part I have been using my Rogue Audio Sphinx v2 Integrated, but also a Denon PMA-2000IVR integrated and a Hafler 110 Pre Amp and 500 Power Amp.Įverything I hear about my Maggies is the more power the better.
I have been using the wires with my Magnepan. I may not understand all of the science that goes into the design but they look like my system will sound better when they are hooked up – well for sure, it will look better. They are extremely well made and look great – my wife even liked them! When I unwrapped the cables I was impressed with the construction.
#Ebay bk butler tube driver zip#
As luck would have it the day I received these speaker wires the June issue of Sound & Vision arrived in my mail.įor their 60th anniversary they reprinted the tests Stereo Review did 30 years ago comparing Monster Cable speaker wire with zip cord – doing A/B/X testing “expert” listeners could not reliably differentiate between the 16 gauge zip cord and the much more expensive Monster Cable.Īn interesting coincidence - to keep me honest I’ll bet. I’ve always questioned the value of expensive speaker wire and interconnects.
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