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ADC PSX-40

The ADC PSX-40 sits in the upper mid range of the American IM lineup. Its 3.5 mV output feeds any standard MM phono input. The nude elliptical stylus rides the groove at a light 1.0 to 1.5 g. The replaceable stylus is the RPSX-40, and Phono Culture lists 3 compatible replacement styli.

Home Brand

Stylus: RPSX-40
Series: PSX (P-Mount)
Type: IM
Stylus Shape: Nude Elliptical[ radii (mil / µm) 0.2 × 0.7 mil ]
Class: Upper Mid-Range

Mounting: P-mount (T4P)
Weight & Dimensions (H×W×D): 5.75 g
Output Voltage: 3.5 mV
Frequency Response: 15–25 000 Hz
Channel Balance: ≤ 2 dB
Recommended Load: 47 kΩ || 275 pF
Tracking Force: 1.0–1.5 g
Cantilever: tapered titanium

Additional Info

The ADC PSX-40 leans toward a smooth, natural presentation rather than clinical analysis. Its nude elliptical stylus on a tapered titanium cantilever delivers coherent imaging with a relaxed top end, so vocals sit forward and organic even on imperfect pressings. Tidy, never thunderous bass suits jazz, vocal and acoustic material on modest P-mount setups. The RPSX-40 stylus is replaceable, keeping service painless.

Replacement styluses for ADC PSX-40

LP Gear	RPSX-40	Nude Elliptical
Tonar	6137-DE	Elliptical
Tonar	6134-DS	Conical

Sound × Setup

Detail

72%

IGD Control

68%

Noise Suppression

70%

Dynamics—Attack

73%

Soundstage/Imaging

75%

Bass Density

71%

Vocals/Midrange

76%

Forgiving Character

74%

Tonearm mass medium 40%

light 40%·heavy 20%

Capacitance 100-200 pF 60%

up to 100 pF 20%·from 200 pF 20%

Phono gain 39–42 dB 60%

35–38 dB 20%·43–46 dB 20%

ADC PSX-40 (IM) pairs excellently with medium-mass tonearms. 39–42 dB gain suits MM preamps perfectly. Optimal capacitance ensures flat response. Ideal for vintage/modern systems. No tracking issues expected. Recommended VTF: 1.25–1.5g. Solid all-rounder.

Collectors

add 02/07/2026 · upd. 08/02/2026