Shaping up the signal: PotEG on preamp, tone-control, and driver stages

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10.1 The input stage poteg-10-01-preamplifier

10.1.1 The input tube poteg-10-01-01-preamplifier-tube

10.1.2 The tube’s input resistance poteg-10-01-02-tube-input-impedance

10.1.3 Triode charts poteg-10-01-03-characteristic-curves

10.1.4 Nonlinearities, distortion poteg-10-01-04-nonlinearity-distortion

10.1.5 Cutoff frequencies poteg-10-01-05-frequency-limits

10.1.6 Time variances poteg-10-01-06-time-variance

10.1.7 Noise, hum, microphonics poteg-10-01-07-noise-hum-microphonics

10.1.8 Noise processes poteg-10-01-08-noise-processes

10.1.9 Pentodes in the input stage poteg-10-01-09-pentode-preamp

10.2 The second stage poteg-10-02-intermediate-amplifier

10.2.1 Cathode-basis-circuit poteg-10-02-1-common-cathode-circuit

10.2.2 Cathode follower poteg-10-02-2-cathode-follower-circuit

10.2.3 The mixing stage poteg-10-02-3-mixing-stage

10.3 The filter section (Tone Stack) poteg-10-03-tone-controls

10.3.1 Bass-Middle-Treble poteg-10-03-1-tone-stack-bass-middle-treble

10.3.2 Equalizer poteg-10-03-2-equalizers

10.3.3 Presence-Control poteg-10-03-3-presence-control

10.4 Phase reversal (Phase Splitter) poteg-10-04-phase-splitter-driver

10.4.1 Paraphase poteg-10-04-1-paraphase-driver

10.4.2 Cathodyne poteg-10-04-2-split-load-driver

10.4.3 Difference amplifier poteg-10-04-3-differential-amp-long-tail-driver

10.4.4 Halfewave antimetry poteg-10-04-4-half-wave-anti-symmetry