In a Gibson interview, Shavo says, "When System of a Down were recording our first record, we went out to buy some equipment. I found this non-reverse body ’66 Thunderb...

Here you can see him playing a WHITE IV BASS

He's seen jamming with it in the video

This photo shows Bassist and Band Lader Armenian So-Cal band System of a Down performing live with a red Ibanez BTB. Ibanez sponsored Shavo Odadjian shortly and in this time he picked up an Ibanez BTB-1000 as well as a BTB-500.

Odadjian can be seen playing a black Fender Precision Bass in this image.

Odadjian can be seen playing a Music Man Stingray in this image.

He started using a Warwick bass in 2017 for their 2017 tour.

Shavo Odadjian of System of a Down is a featured artist of Ashdown Engineering. They have him listed as using their ABM 900 EVO III Bass Amp.

There can be seen two 8x10" with two ABM EVO III.

In this documentary, at 6:36 and 3:41, shavo is seen with a 1961 stacked knob fender jazz bass in a natural finish. It was used all throughout mezmerize/hypnotize for its sharp attack, and great note clarity for high speed songs. The Gibson Thunderbird, was not used at all for what is on these tw...

It's in the background of this video

In this video, you can see Shavo Odadjian playing this guitar.

In this video you can see an Ampeg SVT-810E Bass Enclosure to the right of the screen at 1:28 seconds into the video behind Shavo

In this video you can see an Ampeg SVT-VR Bass Amp Head at 1:28 seconds into the video behind Shavo

He said he used these strings in the video at 3 minutes

In the second half of Shavo Odadjian's String Theory episode, he's shown playing a Gibson Les Paul Custom while talking about his music wrtiting process.

At the end of this video it shows that Shavo uses regular slinky bass 5 strings and regular slinky electric guitar strings.

he can been seen playing it through out the video

Listed on Shavo's official Ashdown artist page.

It's in the background of this video

This bass is seen in the equipment list

This pedal is mentioned in the equipment list (however, this suggestion is unverified as to whether this is the right pedal or if it’s the other pedal on this website)

Shavo is seen on stage in the first image on what appears to be like a brown Warwick Fortress Masterman bass.

This bass is seen in the equipment list

In this video taken at the recent Sick New World festival, Shavo can be seen playing a Warwick P/J Streamer.

Used this in 1997. Can be seen being played at The Whisky a Go Go concert.