Replica of the classic for Sutton SF60 amplifier circuit, the circuit routing is designed according to the original, and the Sanken C3284/A1303 power tube is used The sound is full of the flavor of classic amplifiers, and , transparent and delicate, silky, and Excellent sound quality: Experience the true audiophile sound quality brought by our SF60 replica amplifier board. The board adopts a dual-channel Class A and Class B amplifier configuration to provide clear sound quality and strong power output Advanced components: Our amplifier board is equipped with the acclaimed LM3886 and TDA7293 chips to reliable and stable performance, which is ideal for high-fidelity audio systems Wide range of uses: Ideal for DIY audio projects, customization or upgrading existing systems. Its excellent design and components provide the flexibility and quality that audio enthusiasts need Model: SF60 Output channel: 2.0 channel Amplifier tube: Sanken C3284/A1303 * 2 Amplification: 28 times Frequency response range: 20-20KHz Main voltage: AC dual AC28V plus rectifier bridge single AC15V Output power: 60W+60W/8 Total harmonic distortion: 0.005% Protection mechanism: overcurrent protection, midpoint voltage protection, power-on delay protection (The product appearance and printed words depending on the batch, but this does not affect use) Color: As Shown Material: PCB Package Contents: 1 * Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.