Hi!
First answer to you startet from previous message:
1. clean channel ist schwer clean zu bekommen
Clean is very good, but it is not stay clean on high volume.It is important from your guitar, how high signal have your pickups.Crunch start around 12-14 (look like a clock).So you can not get 30 watt clean sound (maybe is better to buy 60)
30 is better for blues rock, beacuse 10 inch speaker is more directly and have more middle and high sound.
60 is better for Fender warm clean sound(12 inch speaker)
2. der overdrive klingt sehr muffig und hat enorm gain, is aber metal untauglich
It is important again from your pickup.Cheap guitar always sound muffig.Use telecaster and you will big supprised about sound.FENDER HRD sound very muffig on drive and more drive channel.
3. der drive channel hat nen hohes grund rauschen
This is the same:muffig and nen hohes tone
Less high frequency on drive channel is important, beacuse high frequency produce noise and harsh sound on distortion.
And Blue Edition is only player class.
4. bei hohen lautstärken kommt noch brummen dazu
My amp not.Fender Twin Reverb legendary amp have brumm too.Maybe you have some problems with:
-your 230V stecker or bad or wrong ground
-your guitar cable is low quality or it need to be repaired
-your guitar is not correctl wiring
-you use single coils pickup bad quality
-your amp need really go to service center
5. die led's gehen immer kaputt (farbe is auch egal, wurden mehrfach gewechselt)
Yes, this is possible.Maybe from bad carrying with transport or beacuse far east production or both.
It is another problems with this amps:
Somethimes just stop working or "rauschen".This is beacuse bad quality connectors(send-return).You do not have to be repaired, just make small patch cable(very short guitar cable) and connect to send-return inputs.This is all.
Even is made on far east, amp was build very well and you do not have to worry about quality.
I have at home 27 H&K amps from old Attax to new Puretone,Duotone and Triamp.
Blue edition is good ,but is players class amp not pro.
And to others:
Play guitar and use Volume on your guitars just like Thomas Blug.They play clean on hi-gain channel with volume down on guitar and use your volume instead commpressor.