The Goka GK-R21 is a universal 1/2-inch mount turntable cartridge headshell manufactured by Goka (Guangdong, China) and white-labeled under various other brand names (like Suodoka, Kosdfoge, and others).
Overview and Features
- Material Construction: Typically manufactured from durable, lightweight zinc alloy or aluminum to reduce resonance and provide a stable mounting platform.
- Compatibility: Fits standard 1/2" mount cartridges and universal turntable tonearms.
- Included Accessories: Usually comes packaged with four color-coded oxygen-free copper / gold-plated lead wires for conductivity and easy installation.
Key Specifications & Variations
The GK-R21 series features a few distinct model variants based on its underlying material construction and visual aesthetic:
- Standard GK-R21: Built from an aluminum or zinc alloy composite. It features a glossy, wear-resistant finish available in black or silver.
- GK-R21(Aluminum variant): Crafted from premium anodize aluminum. This lightweight alternative provides natural acoustic dampening while giving a vintage look to the tonearm setup.
- Connectivity: Features a standard 4-pin contact system compatible with SME-type, straight, or S-shaped bayonet tonearms.
- Included Accessories: The retail package almost always includes four color-coded lead wires
Design & Performance Attributes
- Universal Compatibility: Designed to seamlessly integrate with any standard 1/2-inch mount phono cartridge.
- Resonance Reduction: The rigid zinc or aluminum alloy frame is structurally engineered to lower mechanical resonance, tracking cleanly across vinyl grooves without transferring extra distortion.
- Ergonomic Handling: Equipped with an integrated, long finger lift to assist in manual queueing and placement over records.