
Despite being released on a major label, it fared poorly commercially. In 1992, Monster Magnet was signed to A&M Records, and their first album on the label, Superjudge, was released the following year.

A&M Records-era and popularity (1992–2002) McBain quit the band soon after and was replaced by Atomic Bitchwax guitarist Ed Mundell. The Tab EP was recorded before Spine of God, yet released after it. Their final release with Caroline Records was an EP titled Tab which included, among two other marathon-length songs, a 32-minute track called "Tab.". The tour helped the band get a recording contract with major record label A&M Records. The band followed with a tour alongside rising grunge band Soundgarden. The album contained the single "Medicine" (which would be re-recorded ten years later on God Says No), which was also the band's first music video.

The album is hailed as one of the classics of the stoner rock genre ranking 28th on Heavy Planet's "Top 50 of All Time". In 1991 they released their first full-length album, the cult classic Spine of God on the labels Go Get Organized/ Atypeek Music, Primo Scree, Glitterhouse Records, Caroline Records, Glitterhouse Records. Cronin left shortly after although he would remain in the background- particularly at live shows- contributing to auditory effects, lights, and visuals, for many years. In 1990 the band signed with Caroline Records and released a single "Murder/Tractor". The EP Monster Magnet followed, on Glitterhouse Records of Germany, containing the songs "Snake Dance" and "Nod Scene", (both of which would appear again on Spine of God), and "Tractor", (which would be re-recorded later for Powertrip). Thus the lineup was composed of McBain on guitar, Wyndorf on guitar and vocals, Cronin on vocals, Kleiman on drums and Calandra on bass. Before the second demo Jon Kleiman and Joe Calandra joined on drums and bass respectively. The first demo and single were recorded as a three piece (McBain, guitar and bass, Wyndorf, guitar and vocals, Cronin, drums and vocals). The band's first "official" release was a single "Lizard Johnny/Freakshop USA" on Long Island-based Circuit Records. In 1989, Monster Magnet released two demo cassettes: Forget About Life, I'm High on Dope and I'm Stoned, What Ya Gonna Do About It?. Original names for the band were Dog of Mystery, Airport 75, Triple Bad Acid and King Fuzz before finally settling on Monster Magnet, taken from the name of a 1960s toy made by Wham-O, which Wyndorf liked when he was a child. Career Beginnings and Spine of God (1989–1992) The band has also been credited for developing and popularizing the stoner rock genre, along with Masters of Reality, Kyuss, Fu Manchu and Sleep. Monster Magnet has released ten studio albums to date, and they are best known for their 1990s hits " Negasonic Teenage Warhead" and " Space Lord". Hailing from Red Bank, New Jersey, the group was founded in 1989 by Dave Wyndorf (vocals and guitar), John McBain (guitar) and Tim Cronin (vocals and drums) they have since gone through several lineup changes, leaving Wyndorf as the only constant member.
