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Oh, mum would be the word there! I have some basic soldering skills, would that suffice? Or would you be willing to help advise me should I chose to do that?
I would think so. Maybe some youtube vids and a few practice rounds. Mods certainly aren't necessary with the AE SET but it does lower the noise floor and let you hear further into the music. The TDK volume pots are much smoother, more usable range, and transparent than the alpha brand Alan supplies. Use some quality solder.https://www.amazon.com/Cardas-Soldering-Eutectic-Silver-Solder/dp/B082J6SH4J/ref=sr_1_2_sspa?crid=CY3HPK7RUHGJ&dchild=1&keywords=cardas+solder&qid=1609935182&sprefix=cardas+%2Caps%2C195&sr=8-2-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExWUtFOVFKMzM1MVJBJmVuY3J5cHRlZElkPUEwMjcyMzgxMU1EUUc2NzUwTUhUNyZlbmNyeXB0ZWRBZElkPUEwOTIyNTI5MUpWSURQWDMyMDQyViZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=
Just to reiterate - at 2.5 feet away from my speaker it’s dead quiet. That noise you heard about may not be the norm. It’s not for me. If my amp were quieter than it is - it wouldn’t matter as I couldn’t hear it.
I have been considering these and wanted to see what other thoughts and experiences have been with them? I've heard there can be some hum issues, so I was considering going with an outboard power supply to help with any potential hum, but will also be running them on La Scalas, so given their sensitivity, I wanted to see if anybody else has run the 2 together or a speaker of similar sensitivity to se what their experience was like?
Chinese amps.What woudl be the first class solution?Its a better circuit assemblage, construction etcThe amp table must be alu or copper, not steel which is magnetic, one of the techniques to reduce background noise that builders use is to bring the circuit closer to the alu table so that it absorbs the parasitic static voltages that circulate inside the amp during use, certainly there are other means of reducing noise.
If condutive metal table is a prob could de used acrylic 8mm as Joule Electra amps, the rec of alu is by Morgan Jones page 153 if I remember well, alu is not prefered by builders due higher price but its a very interesting opinion from MJ.EDIT: According Morgan Jones author in Building Valve Amplifiers/2004 page 85:Steel is not suitable for the chassis of valve amplifiers. Steel is magnetic, and allows leakage flux from transformers to flowthrough the chassis and induce currents into the pins of the valves. If a steel chassis is unavoidable, induction into the chassis can be greatly reduced by fitting a non-ferrous gasket between transformers and the chassis; 1.5 mm Paxolin is ideal
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