’59 Tweed Bass
Headrush Amplifiers

’59 Tweed Bass

Inspired by Fender ’59 Bassman

The model '59 Tweed Bass It is based on the classic amplifier Fender Bassman 1959 (tweed).

Main features:

  • Sound warm, full and dynamic
  • Excellent base for blues, rock and pedal platformers
  • Progressive breakup (more headroom than Deluxe)
  • Less pronounced mids, more sound open and balanced

It is one of the most versatile amps:

  • Clean rich
  • Soft crunch
  • Great with external overdrives
BluesRockHard RockHeavy MetalJazzFunkPopCountryAcousticBass

Controls

Vol Bright

Bright channel volume

Brighter and more defined sound

More presence in the high frequencies

Ideal for:

Lead

Sharper sounds

Vol Normal

Channel volume Normal Warmer and darker sound Fuller in the low frequencies Ideal for:

  • Rhythmic Soft sounds
Bass

Controls low frequencies.

  • High → full sound but can become flubby
  • Low → more defined sound

Recommended:

35–55%

Middle

Controls the mid frequencies.

  • Low → hollow sound
  • High → more present and “rock” sound Important for standing out in the mix
Treble

Controls the high frequencies.

  • Low → warm sound
  • High → bright and defined sound
Presence

High frequency control in the power amp.

Adds attack and clarity More natural than the Treble

Output Level

Final volume control.

  • Negative values ​​→ attenuation

0 d

  • B → neutral level
  • Positive values ​​→ boost

Does not change the timbre

Pro Tips

Bright / Normal interaction

These two controls mix together:

  • Bright high + Normal low → bright sound
  • Normal high + Bright low → warm sound
  • Both high → rich, thick and complex sound

Trick:

  • Use both around 40–60% creates the classic “jumpered” sound

BEHAVIOR OF THE AMPLIFIER

  • More headroom compared to the Deluxe → stays clean longer
  • Breakups progressive and musical
  • Excellent pedal response (overdrive, boost)
  • Sound: less compressed, more open, more “American”

CONTROL INTERACTION

  • Vol Bright + Vol Normal = basis of sound
  • EQ it also changes the character of the saturation
  • Bass high → softer and less defined sound
  • Presence adds definition without making the sound harsh

QUICK EXAMPLES

Clean warm

  • Bright: 30%
  • Normal: 50%
  • Bass: 45%
  • Middle: 50%
  • Treble: 50%

Blues crunch

  • Bright: 50%
  • Normal: 50%
  • Bass: 40%
  • Middle: 65%
  • Treble: 55%

Vintage rock

  • Bright: 60%
  • Normal: 40%
  • Bass: 35%
  • Middle: 70%
  • Treble: 60%

SUMMARY SCHEME

  • Vol Bright → brilliance
  • Vol Normal → body and heat
  • EQ → defines the character
  • Output Level → final volume

Tweed Bass mentality

“Mix the two channels + control the bass = perfect sound”

Setup Examples

ERIC CLAPTON STYLE (“Bluesbreaker / Woman Tone”)

Vol Bright40–50%
Vol Normal50–60%
Bass35–45%
Middle55–65%
Treble50–55%
Presence50–60%
Output Level (dB)0 dB

Focus: warm sound, rich in mids, with dynamic response to the touch

OVERDRIVE / BOOST (optional)

USA K Drive or S1 Drive light to obtain the classic “boost” on the lead:

  • Drive: 10–15%
  • Level: 60–70%
  • Tone: 50–55%

It is used for:

  • support long notes
  • accentuate expressiveness without dirtying the sound
  • reproduce the famous “woman tone”

TREMOLO

OFF (Clapton does not use tremolo in this style)

HOW IT SOUNDS

  • Clean → warm and round
  • Strong attack → light natural crunch
  • Long notes → “sing” like the original Les Paul / Tweed amp sound

HOW TO PLAY IT (important)

  • Pick-up: handle → soft lead
  • Pick-up: bridge / center → more defined rhythm
  • Guitar volume:
  • 6–7 → clean
  • 8–10 → light crunch
  • Technique: Wide Vibrato, Volume control with the right hand, Expressive bending

More aggressive / blues-rock variant

  • Middle: 65–75%
  • Presence: 60–70%
  • K Drive / S1 Drive Level: 70–80%

More incisive sound, excellent for rock-blues solos

Clapton sound mentality

  • Mids + dynamics + neck pickup = woman tone
  • Little gain on the amp
  • Lightweight boost in front for support and singing