Search found 6 matches

by swordbreaker
Mon Sep 09, 2013 1:23 pm
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Re: Grand 300

Guess he used the schematics only for a rough overview, but as far as I know he and his colleague didn´t need it in the end due to their longterm experience. If I were you, I would check the tubes twice, get some others from ebay and match them in the whole circuit. I bought some of these tubes and ...
by swordbreaker
Sun Sep 08, 2013 2:52 pm
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Loud and Clear

Hi, just wanted to give a small update. Due to no time to repair the amps by myself, I decided to take em to a well known repair shop in my region with excellent service around tube gear and Hi-Fi Stuff. I took the amps to him and he told me like everything will be ok, following a talk about amplifi...
by swordbreaker
Sun Jan 13, 2013 12:51 pm
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Re: Grand 300

Finally the amps arrived and I dont know what to say: they sound bad (in a positiv manner ;) ) like something big sleeping in there waiting to be released. We had a boss gt-100 laying around in the rehearsal room to raise the guitar to line level and a 300w bass box with the needed impedance and it ...
by swordbreaker
Sat Dec 29, 2012 1:38 pm
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Re: Grand 300

Oh... damn, I didn´t looked properly.. :D It´s of course the same username *lol*

I will try to complete the schematics as soon the amps are on my table.
by swordbreaker
Fri Dec 28, 2012 4:44 pm
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Re: Grand 300

Hi Hellhammer, I didn´t really expected any kind of reply so I am glad for your response. Yeah, I share your assumption with the caps if these thingies are probably older than 25 years than something more actual from nichicon or panasonic would be nice in there., I fixed so many electrical stuff by ...
by swordbreaker
Fri Dec 28, 2012 8:22 am
Forum: Technical Discussion
Topic: Grand 300
Replies: 16
Views: 10634

Me too :)

Hi guys, Hi Hellhammer, sorry to reopen the discussion in thread but I didn´t really found anything in the web (except some bulgarian and russian sites) about this amp. I catched two of these at ebay for a "ok" price and wanted to ask now about your experience with this kind of amp. They aren´t stil...