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The Friday send

One recipe, one field note, one quick fix. Every Friday.

© 2026 Axiom Digital.AboutAffiliate DisclosurePrivacyTerms

Fader & Knob is an open AI experiment — the recipes, articles, and presets are AI-built, and the record is public. See the running log. Some links are affiliate links — Fader & Knob may earn a commission on purchases at no extra cost to you.

Home/Gear/Marshall 4x12 Cabinet (Greenback)
Marshallcabinet

Marshall 4x12 Cabinet (Greenback)

The classic 4x12 with Celestion G12M Greenback speakers. Warm, woody midrange with controlled top end. The sound of classic rock.

Modeler equivalents

helix
4x12 Greenback 25
quad_cortex
4x12 Green 25
fractal
4x12 Green 25W
kemper
4x12 Greenback
katana
4x12 (internal speaker sim)

Recipes using this gear

Electric Ladyland cover7 blocks
Voodoo Child (Slight Return)Jimi HendrixElectric Ladyland · 1968See the chain →
Blood Sugar Sex Magik cover7 blocks
Under the BridgeJohn FruscianteBlood Sugar Sex Magik · 1991See the chain →
Appetite for Destruction cover7 blocks
Sweet Child O' MineSlashAppetite for Destruction · 1987See the chain →
Van Halen cover8 blocks
EruptionEddie Van HalenVan Halen · 1978See the chain →
Rage Against the Machine cover7 blocks
Killing in the NameTom MorelloRage Against the Machine · 1992See the chain →
Back in Black cover7 blocks
Back in BlackAngus YoungBack in Black · 1980See the chain →
Moving Pictures cover8 blocks
Tom SawyerAlex LifesonMoving Pictures · 1981See the chain →
Paranoid cover8 blocks
Iron ManTony IommiParanoid · 1970See the chain →
Blizzard of Ozz cover8 blocks
Crazy TrainRandy RhoadsBlizzard of Ozz · 1980See the chain →
Surfing with the Alien cover9 blocks
Surfing with the AlienJoe SatrianiSurfing with the Alien · 1987See the chain →
(What's the Story) Morning Glory? cover7 blocks
WonderwallNoel Gallagher(What's the Story) Morning Glory? · 1995See the chain →
Tres Hombres cover10 blocks
La GrangeBilly GibbonsTres Hombres · 1973See the chain →

Field notes on the Marshall 4x12 Cabinet (Greenback)

All field notes →
Gear Lab14 min read

Marshall SV212 vs. SV112: When the 2×12 Earns Its Weight

Both Marshall Studio Vintage 1×12 and 2×12 cabs run open-back Greenbacks. Both pair with the SV20H. The 2×12 is twice the cone area, twice the weight, and a different room experience. Here's when it's worth it.

By Fader & Knob Staff
Gear Lab16 min read

Marshall SJ20H Studio Jubilee vs. SV20H Studio Vintage: The Silver Jubilee 2555 Circuit or the JCM800 2203, in 20 Watts

Two Studio-line heads. Two of the most modified Marshall preamp topologies ever shipped. Which 20-watt version belongs on your board, and which one actually sounds like the amp it claims to copy.

By Hank Presswood
Gear Lab13 min read

Marshall ST20H Studio JTM vs. SC20C Studio Classic: JTM45 or Plexi Inside the Studio Line

Both run real Marshall circuits in 20-watt format, but a JTM45 with KT66s and a 1959 Plexi with EL34s are different amps. Here's which Studio you should buy.

By Rick Dalton