Question 1

Since it has el84 tubes as compared to the standard 6l6 in the regular peavey 6505, will this amp work well for metal (disturbed, godsmack etc)?

Accepted Answer

Absolutely! It uses up to three 12AX7 preamp tubes for the gain stage. Out of the box, it has as much gain as the full size 6505 & 6505+. The EL84 power tubes flavor the post gain when you drive it hard but you can use the tone stack to scoop the mids and boost the low end and highs with the global resonance and presence knobs respectively. I really liked how it sounded stock, but I pulled the EL84s and rebiased it for 6L6s. It's a beastly little amp that can deliver on all three wattage settings. I ran it at one watt through a 1x12 closed back in the studio for practice, a 2x12 at five watts for recording and a 4x12 at the full twenty watts for rehearsal/gigging. I love watching people's faces change from smirking when they first see it to mouth and eyes wide open when I dime it.

Question 2

When playing both tube lights are green, then when not playing one of both red. Bad tubes or bad amp?

Accepted Answer

I've played professionally for over 35yrs and still do. I started using the peavey classic series in 1993 and have used them since. I'm currently gigging in a 7 piece band with a horn section and all I use is this one little amp!  Oh I own several of every model made and have 4 of these 20MH models. Each with a different tube configuration. The TSI (Tube Status Indicator) lights are Red when the amp is on and in standby mode. When the amp is on and in playing mode the lights will be Green. That is if your tubes are healthy both lights are Green. If any tube is going bad while your in playing mode the lights will turn Red. This is something that changes slowly. They don't immediately change from Green to Red. They will slowly turn Red. It will happen with in 5 minutes or so. However it will be clear that there is a tube going bad or getting ready to quit working.  It will be clear.  Green means the tubes are healthy and working and Red means one or more tubes are going bad and needs changed.  The beauty of the TSI is so you can catch it and change the tube or tubes before the amp stops working. While playing live this a wonderful thing to have! Swap your cord into the standby amp before the next song and don't miss a beat.  During the break change the tube or tubes!  GL  These are fantastic amps.  Tone machines....  My band is Sell Out you can find us on Facebook where you can hear me playing with this amp live!

Question 3

how many and what kind of tubes?

Accepted Answer

2x EL84 power tubes and 3x12AX7/ECC83 preamp tubes

Question 4

what can i use the msdi for? can it hook to a interface?

Accepted Answer

It is to be connected to the mixing console, so you don't have to mic the amp cabinet.

Color	Black
Compatible Devices	Guitar
Output Wattage	5 Watts
Connector Type	USB, XLR
Amplifier Type	Tube
Power Source	Corded Electric
Number of Bands	3
Item Weight	15 Pounds
Item Dimensions D x W x H	13.13"D x 19.38"W x 12.38"H

Peavey6505 Mini Guitar Amplifier Head

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