Getting a handle on how to assess pickups and how to make some measurements: Q-Factor, impedance, DC-resistance
What PotEG has to say about piezo-pickups
Piezoelectric pickups
(translated by Tilmann Zwicker)
6.1 The piezoelectric process poteg-6-1-piezo-effect
6.2 Electric loading – loosing the bass poteg-6-2-piezo-high-pass-effect
6.3 The piezo pickup as a sensor – yes, that’s the pickup poteg-6-3-piezo-as-sensor
6.4 Reciprocity – the other way ’round poteg-6-4-reciprocal-piezo
6.5 The piezo pickup as an actuator – indeed, it works that way, too poteg-6-5-piezo-as-actor
6.6 The disassembled pickup poteg-6-6-piezo-by-itself-in-isolation
6.7 Pickup noise – or is it the preamp-noise? poteg-6-7-noise-in-piezo-applications
6.8 Piezo pickup vs. microphone – less different that you think … it’s all in the EQ poteg-6-8-piezo-sound-vs-microphone-sound
6.9 Microphonics: howling away poteg-6-9-microphonics
6.10 Differences compared to magnetic pickups poteg-6-10-difference-between-piezo-and-magnetic-pickup
6.A Supplement: Piezoelectric state equations poteg-6-A-piezo-equations-of-state
What PotEG hast to say about magnetic pickups
Magnetic pickups
translated by Tilmann Zwicker
5.1 Singlecoil pickups poteg-5-1-singlecoil-pus
5.2 Humbucking pickups poteg-5-2-humbucking-pus
5.3 Coaxial singlecoil pickups poteg-5-3-hum-compensated-sc-pus
5.4 The pickup’s magnetic field
5.4.1 The static field without string poteg-5-4-1-static-magnetic-field
5.4.2 The static field with string poteg-5-4-2-static-magnetic-field-with-string
5.4.3 The alternating magnetic field poteg-5-4-3-alternating-magnetic-field
5.4.4 Magnetic window (aperture) poteg-5-4-4-aperture
5.4.5 Absolute pickup sensitivity poteg-5-4-5-pickup-sensitivity
5.4.6 Staggered, level, and beveled polepieces poteg-5-4-6-staggered-beveled-polepieces
5.4.7 Fender Jaguar and Lace poteg-5-4-7-fender-jaguar-lace
5,4,8 DeArmond Pickups poteg-5-4-8-dearmond-pus
5.5 Basic pickup parameters
5.5.1 DC resistance poteg-5-5-1-dc-resistance
5.5.2 Coil inductance poteg-5-5-2-coil-inductance-capacity
5.5.3 Coil capacity
5.5.4 Resonance quality, Q-factor poteg-5-5-4-resonance-q-factor
5.5.5 Polarity poteg-5-5-5-pu-polarity
5.5.6 Time variance poteg-5-5-6-pu-time-variance
5.5.7 Wire coating, wax poteg-5-5-7-insulating-varnish-wax-and-bobbin
5.5.8 Flatware
5.5.9 Absolute sensitivity, loudness poteg-5-5-9-loudness-dc-resistance
5.6 Pickup measurement devices poteg-5-6-instrumentation-for-pu-measurements
5.7 Hum sensitivity poteg-5-7-sensitivity-to-hum
5.8 Nonlinear distortion poteg-5-8-non-linear-pu-distortion
5.9 Equivalent networks poteg-5-9-equivalent-circuits
5.9.1 Models and analogies
5.9.2 Impedance models
5.9.2.1 Singlecoils with low eddy current losses
5.9.2.2 Eddy currents in the nonmagnetic conductor
5.9.2.3 Equivalent two-pole networks
5.9.2.4 Eddy currents in the magnetic conductor
5.9.2.5 Singlecoils with high eddy current losses
5.9.2.6 Gibson-Humbucker: screw-coil
5.9.2.7 Gibson-Humbucker: plug-coil
5.9.2.8 Gibson-Humbucker: coupling of the coils
5.9.3 Equivalent transmission networks
5.9.4 Connected pickups
5.10 Analysis of the transfer behavior poteg-5-10-transfer-behavior
5.10.1 Measurements with a shaker
5.10.2 Measurements with a Helmholtz coil
5.10.3 Measurements with a coaxial coil
5.10.4 Measurements with a tripole coil
5.10.5 Measurements with a laser-vibrometer
5.10.6 Measurement accuracy
5.10.7 Finite Element Modeling
5.11 Directional characteristic of pickups poteg-5-11-directionality
5.11.1 String polarization
5.11.2 Wave polarization
5.12 Pickup noise poteg-5-12-noise
5.13 Pickup microphonics poteg-5-13-microphonics
5.14 Pickups with shorted turns poteg-5-14-shorts-in-the-winding
5.15 Database poteg-5-15-data-collection
5.16 Patents and Inventions poteg-5-16-inventions-and-discoveries
ALNICO-magnets for guitar pickups – what’s in a legend?
Going deep: a scientific article discussing ALNICO as material in magnetic guitar pickups