Classic Amplifier Kit for Headphones with Alps Potentiometer
PCB size: 178X127X1.6mm
Working voltage: double AC12-AC16V
1/4 W 1% Precision Metal Film Resistors
High-end filter training BC
Fever grade MKP 4U7 400V 3% precision tinplate capacitor
Origilal ST MC33078N Operational Amplifier
Philips BD139, BD140 transistor (same batch number)
Omron G2R-2 12 V relay protection 700 MV relay, delay connection function 7 seconds.
It can drive 32-600 ohm headphones. Ideal for AKG K501, K601, K701, etc.
Package includes: HD-8-A1-PRO Headphone Amplifier Kit X 1 (Alps27 Potentiometer)
Note: This is a kit and all parts need to be soldered and tested.![HD-8](https://ae01.alicdn.com/kf/HTB1Q8w8X4_rK1RkHFqDq6yJAFXaf.jpg)
![HD-8-1](https://ae01.alicdn.com/kf/HTB1RMM5X2fsK1RjSszbq6AqBXXav.jpg)
![HD-8-2](https://ae01.alicdn.com/kf/HTB1nhM7XZTxK1Rjy0Fgq6yovpXaB.jpg)
![1](https://ae01.alicdn.com/kf/HTB18wCbbtjvK1RjSspi763EqXXav.png)