Panama amp settings — Sheldon Gt1200

The Van Halen guitar tone for “Panama”, dialed in for a Sheldon Gt1200 with a Strinberg Sts-100. Studio version, 1984 (1984 album) — main intro and rhythm riff

Original rig

1968 Marshall Super Lead 100W Plexi (variac lowered to ~90V), Frankenstein guitar (PAF bridge humbucker), Echoplex EP-3 preamp boost, MXR 6-Band EQ

Classic brown sound: punchy low-mids, chewy 1-2kHz midrange push, aggressive top-end bite without fizz

Amp settings — Sheldon Gt1200

CHANNELClean channelBRIGHToffBOOSToff

Knob	Setting (0–10)
Gain	2
Bass	5
Mid	6
Treble	5
Reverb	0
Master	6

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Joyo Uzi

GAIN SOURCE: Provides the cascading high-gain British distortion; amp kept clean per double-gain rules

Volume 7 · Gain 6 · Low 6 · Mid 7 · High 6 · Bias 6

02Mooer Shimverb

Room mode for subtle studio ambience (direct into front input)

Level 3 · Color 4 · Decay 3

Why these settings

The Joyo Uzi serves as the primary gain source to mimic Eddie's hot-rodded Marshall Plexi, requiring the Sheldon GT1200 clean channel with gain dropped to 2 to prevent muddy clipping. The Strinberg STS-100 single-coil bridge pickup is thinner than Eddie's bridge humbucker, so the Uzi's Low and Mid are pushed to thicken the body and reproduce the chewy 'brown sound' punch. Set the Bias knob slightly past noon to open up the tube-sag compression characteristic of the variac-dropped voltage.

PRO TIPPick hard near the bridge with a heavy pick angled slightly against the strings to get the percussive, articulate attack Eddie uses across the open-A power chords.

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These settings are for a Sheldon Gt1200. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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