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My DT-25 suddenly started humming loudly in triode mode. The penthode mode is still as quiet as ever. Nothing really influences the hum. Even if I turn the master down completely it hums just the same. What could be causing this?

Hey guys, this is my first post in the forum. Right now I'm using a Gibson Les Paul with my HD500, using headphones. The sound is OK, but I'm looking to buy an amplifier. I'm considering buying a DT25 combo, but before I do, I have a couple questions. 1. Firstly, I have ran out of DSP a lot on my HD500, mainly because I use dual amp configurations. What I am wondering is if I can still use two amp paths with two different (pre) amps modelled on my HD500, and have the DT25 combo output both amps (both paths) in only one speaker (I will be using the combo amp). Another thing that I'd like to know in relation to this is whether or not using the HD500 in conjuncton with the DT25 will free up DSP. I heard that (since the 2.0 update), the DT25 models the pre amp instead of the HD500. Is this true? Will it model both of my pre amps, allowing DSP usage to drop on the HD500? 2. Secondly, I am wondering which cable to purhase to use with L6 link. I understand that Line 6 reccomend an AES/EBU type cable over everything else. However I also see that they recommend a Classic Series Microphone Cable by Planet Waves, which as far as I'm aware doesn't appear to be an AES/EBU type cable. I live in New Zealand, so I cannot purchase brands such as Mogami, in fact the only AES/EBU cable that is stocked in my local store is a HOSA AES/EBU cable. Would you reccoment this as a good cable? http://www.rockshop.co.nz/shop/recording/hosa-ebu003-aes-ebu-cable-3ft.html Also, I assume that 3ft is too short.... Thanks so much in advance, and any other tips in realtion to the DT25, such as upkeep and tone tricks will be greatly appreciated! I will be entirely new to valve amps. Nick.

Hello, I'm new to the forum and to Line 6 products. I just bought a used DT-25 from GC and would appreciate some assistance regarding the version 2.0 Firmware Update. I also own a HD500X & JTV-69 HSS if that helps with assisting me. I'm really a novice when comes to MIDI, DT-25 & POD HD500X and ask that your assistance be as detailed and complete as possible. I really appreciate it! How/where can I find which firmware version is currently installed in the DT-25? If I am satisfied which amps are assigned to voicings 1-4, do I really need to do this firmware update? Do I need to buy a MIDI to USB cable, and two MIDI cables to do this firmware update (if I find it hasn't been done)? If I do need to buy the cables, where would I find a cheap MIDI to USB (the one I found on Sweetwater is $50!) Is there any other device, cable, etc I also need to buy? In the DT Firmware Installation Guide I find the following confusing... 'Connect your MIDI interface to your computer, and ensure that it functions properly. Then connect your MIDI interface to your DT amp via the two MIDI cables. The MIDI “Out†of your interface should connect to the DT amp’s MIDI “Input,†and the MIDI “Output†of the DT amp should return to the MIDI “Input†jack on your MIDI interface.' The statement above is completely Chinese to me! What is the 'MIDI Interface' (is this another thing I have to buy + the cables)? And how would I connect it to my computer? Thanks in advance for all who assist me. Dr. C

We're looking at adding a couple DT-25's to our stage rig and are curious if it's possible to get good acoustic voicing through the DT-25's? Or, is the DT-25 pretty much just an electric guitar amp? We use JTV-59's and do acoustic and electric guitar voicing in the same set (currently run direct to FOH). Thanks in advance. GT

I've read that the pre-amps in HD500 are the best to use with DT50 and DT25, so I've put a setlist together with all of the pres as a baseline for my patch creation. The problem I encountered was that the volumes varied WILDLY and I kept blowing up my ears going from the quietest amp (Hiway-100 apparently) and a Treadplate for example. Of course one amp is louder than the other, but for home use, or testing, having these patches be leveled is a must So I've gone through and leveled out (with the MIXER setting) all 30 of the pre amps to be very roughly the same loudness. There is definitely some variance. If anyone cares to correct them more properly, please do so and post the update. In this setlist, Hiway-100 is the quietest amp- I have the db setting on the mixer maxed, so I used that setting as the baseline for loudness of all the other amps. Very unscientific, but now I don't get ringing ears if I'm switching between. Hope this helps. DT25 30 pre-Amps-leveled.zip