The B-3 and B-2 use the same 3.15A fuse. The B-1 is different, it uses a 5A.
I have a B-3 and I use the HiFi Tuning 3.15A slow blow. It works no problem and offers little. I noticed a little better definition and resolution. Nothing startling.
I have a B-3 and I use the HiFi Tuning 3.15A slow blow. It works no problem and offers little. I noticed a little better definition and resolution. Nothing startling.