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VELVET (Bridge)
HUMBUCKER
Sound Profile ?
Medium output with a full, articulate response, strong note definition and excellent dynamic sensitivity.
Bass
6
Mids
6
Treble
7
Pickup Character
Balanced, articulate and expressive with a full low end, focused mids and clear, singing highs. The Alnico 4 magnetic field delivers smooth response and excellent note definition, while the matched coils create a coherent, dynamic voice with rich harmonics and a refined vintage character.
Electrical Profile ?
Core Parameters
In Series
DCR
8,8 kΩ
Inductance
3,7 H
Capacitance
154 pF
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Resonance Behavior
f₀
Peak
Q
IN SERIES (Both Coils)
500k
3,25
Magnetic Field ?
North Coil
Polarity
North UP
1.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
2.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
31 mT
density
3.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
33 mT
density
4.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
33 mT
density
5.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
6.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
Spread
2 mT
(min 31 / max 33)
Very Balanced
Magnet density (mT) describes the magnetic field strength at each pole and how the pickup interacts with the strings.
Different magnet types have different ranges (e.g. Alnico ~30–65 mT, Ceramic ~60–90+ mT), and some variation is normal — even within the same pickup.
Typical pole-to-pole variation is ~5–15 mT.
Spread describes this:
Lower spread → more even response
Higher spread → more character and dynamics
Slugs → smoother field
Screws → more focused response
Different magnet types have different ranges (e.g. Alnico ~30–65 mT, Ceramic ~60–90+ mT), and some variation is normal — even within the same pickup.
Typical pole-to-pole variation is ~5–15 mT.
Spread describes this:
Lower spread → more even response
Higher spread → more character and dynamics
Slugs → smoother field
Screws → more focused response
South Coil
Polarity
South UP
1.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
34 mT
density
2.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
3.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
4.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
34 mT
density
5.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
33 mT
density
6.
Bar / AlNiCo 4 / Slugs (12,5*4,8)
32 mT
density
Spread
2 mT
(min 32 / max 34)
Very Balanced
Magnet density (mT) describes the magnetic field strength at each pole and how the pickup interacts with the strings.
Different magnet types have different ranges (e.g. Alnico ~30–65 mT, Ceramic ~60–90+ mT), and some variation is normal — even within the same pickup.
Typical pole-to-pole variation is ~5–15 mT.
Spread describes this:
Lower spread → more even response
Higher spread → more character and dynamics
Slugs → smoother field
Screws → more focused response
Different magnet types have different ranges (e.g. Alnico ~30–65 mT, Ceramic ~60–90+ mT), and some variation is normal — even within the same pickup.
Typical pole-to-pole variation is ~5–15 mT.
Spread describes this:
Lower spread → more even response
Higher spread → more character and dynamics
Slugs → smoother field
Screws → more focused response
Winding ?
North Coil
1.
42 AWG Heavy Formvar
6000 turns
South Coil
1.
42 AWG Heavy Formvar
6000 turns
Total (Combined)
12000 turns
Wax Potting
Light potting — balanced tone with reduced microphonic noise
VELVET BRIDGE is a carefully balanced, symmetrical humbucker built around two 6000-turn coils wound with 42 AWG Heavy Formvar wire. Each coil contributes evenly to the pickup's character, creating a coherent and highly responsive series voice with a measured 8.78 kΩ DC resistance and 3.7 H inductance.
The Alnico 4 bar magnet provides an even magnetic foundation with measured field strengths around 31–35 mT across the pole area. This moderate and consistent magnetic field supports clear string definition, expressive dynamics and a naturally balanced frequency response.
With approximately 154 pF of internal capacitance and a measured no-load resonance of 3.26 kHz, the series pickup delivers a full lower register, focused mids and articulate, singing highs. The matched coils work together as a unified magnetic and electrical system, giving VELVET BRIDGE a smooth, powerful and harmonically rich voice that responds beautifully to picking dynamics.
The result is a versatile medium-output bridge humbucker with refined vintage character, excellent articulation and plenty of musical expression.
Workshop Notes
MOLDED PLASTIC BLACK BOBBIN (52mm SPACING) • #3-48 MOUNTING SCREWS (NICKEL) & SPRINGS INCLUDED • 2-CONDUCTOR OUTPUT • BUILT ENTIRELY FROM NEW, UNUSED COMPONENTS.