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Harman Kardon HK680 - Tone Control Section - Capacitor modification | capacitor, control, harman, hk680, kardon, modification, section, tone | hifi-forum.de Bildergalerie
![Joining the club with a cheap setup. Infinity Reference 60s, refoamed and reconditioned crossovers. Hooked up to newly acquired Harman Kardon HK680. The Technics CH900 is my old system, still using it Joining the club with a cheap setup. Infinity Reference 60s, refoamed and reconditioned crossovers. Hooked up to newly acquired Harman Kardon HK680. The Technics CH900 is my old system, still using it](https://preview.redd.it/joining-the-club-with-a-cheap-setup-infinity-reference-60s-v0-65aq1zavb9m81.jpg?width=640&crop=smart&auto=webp&s=f70eca882c1ce6853aa98f45bf5847adf1c12f69)
Joining the club with a cheap setup. Infinity Reference 60s, refoamed and reconditioned crossovers. Hooked up to newly acquired Harman Kardon HK680. The Technics CH900 is my old system, still using it
![Harman / Kardon HK 680 Operating Instructions | Integrated Amplifiers | Harman / Kardon | Manuals | Hifi Literature | Spring Air Harman / Kardon HK 680 Operating Instructions | Integrated Amplifiers | Harman / Kardon | Manuals | Hifi Literature | Spring Air](https://www.springair.de/media/image/01/a6/9f/l1553-0-l1553.jpg)
Harman / Kardon HK 680 Operating Instructions | Integrated Amplifiers | Harman / Kardon | Manuals | Hifi Literature | Spring Air
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