$300 · For Sale: Vintage Harmon Kardon HK 725 Stereo Preamplifier

For Sale: Vintage Harmon Kardon HK 725 Stereo Preamplifier Model: HK 725 Production Code: 0266 Elevate your audio experience with the vintage Harmon Kardon HK 725 Stereo Preamplifier. Renowned for its superior sound quality and timeless design, this unit is perfect for audiophiles seeking exceptional performance. Key Features: Pristine Sound: Enjoy crystal-clear audio with an incredibly low distortion rate. Versatile Connectivity: Multiple input options to connect all your favorite devices. Robust Build: Durable construction ensuring longevity and consistent performance. Specifications: Frequency Response: 1Hz to 150kHz Total Harmonic Distortion: 0.005% Input Sensitivity: 2.3mV (MM), 145mV (line) Signal-to-Noise Ratio: 90dB (MM), 106dB (line) Dimensions: 385 x 72.5 x 320mm Weight: 4.2kg Number of Inputs: Phono MM, Line, Tuner, AUX, Tape Play 1, 2 Number of Outputs: Tape Rec 1, 2, Tape Rec DIN, Headphones Tone Control: Bass ± 8 dB at 100 Hz, Treble ± 8 dB at 10 kHz, Loudness + 10 dB at 50 Hz, High Filter 6 kHz, Low Filter 15 Hz Special Features: DC coupling, specially designed phono stage, ultrawideband response Additional Information: Harman/Kardon 700s: Super-high bandwidth, swift slew-rates, discrete components only, DC design and minimal use of NFB. History: Since the early 1970s, H/K has been delivering exceptional sound. With a focus on reducing Transient Intermodulation Distortion (T.I.M.) and Interface Intermodulation Distortion (I.I.M.), Dr. Matti Otala emphasized that these distortions are more audible than Total Harmonic Distortion (T.H.D.). Manufacture: Along with the Citation XX series, the HK 725 was made by the Shin Shirasuna Corporation in Japan. It was known as the P725 in Japan and the Silver SP5000, with minor cosmetic differences. Condition: Gently used, in excellent working condition. Minor cosmetic wear that adds to its vintage charm.