Audio Choice Qm4 Manual [portable] -

You can adjust the technical details (battery size, button labels, etc.) based on the actual physical product.

Front Panel Controls

VU Meter: A segmented LED display showing the output signal level, used to prevent clipping (distortion).

Key Specifications (typical for Qm4-class cartridges)

• Type: Moving-magnet (MM)
• Stylus profile: Elliptical (often fine-elliptical)
• Output voltage: ~3.0–4.0 mV at 1 kHz, 5 cm/s (MM range)
• Channel balance: typically within 1 dB
• Channel separation: often ~20–30 dB at 1 kHz
• Frequency response: roughly 20 Hz–20 kHz (subject to cartridge/stylus tolerance)
• Tracking force: commonly 1.8–2.2 g (manufacturer recommended range)
• Coil impedance: nominally several ohms to a few hundred ohms (MM typical)
• Compliance: medium (suitable for medium-mass tonearms)
• Recommended load: 47 kΩ, MM phono stage input

Part 3: Quick Start Guide – Unboxing and Initial Setup

If you are waiting to find your manual or prefer a digital reference, here is the condensed setup guide based on the official Audio Choice QM4 Manual. audio choice qm4 manual