Replica of the classic for Sutton SF60 amplifier circuit, the circuit routing is designed according to the original, and the Sanken C3284 or 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 or A1303 x 2 Amplification: 28 times Frequency response range: 20-20KHz Main voltage: AC dual AC28V plus rectifier bridge single AC15V Output power: 60Wand60W or 8 Total harmonic distortion: 0.005percent 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 x 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.