HK 3390

Harman Kardon HK 3390 – 2 × 80W High‑Current Stereo Receiver

The Harman Kardon HK 3390 is a powerful, high‑current stereo receiver engineered to deliver exceptional musical performance with the clarity, authority and warmth that define Harman Kardon’s audio heritage. Designed for music lovers who want uncompromised stereo sound, the HK 3390 combines ultrawide‑bandwidth amplification, a robust ±42A high‑current power supply, and a full suite of analog and video connectivity options.

With 80 watts per channel (FTC) into 8 ohms and a wide frequency response from 10 Hz to 110 kHz, the HK 3390 drives demanding loudspeakers with ease, delivering precise control, deep bass and detailed imaging. A built‑in phono stage supports MM cartridges, making the HK 3390 an ideal centerpiece for vinyl enthusiasts.

Beyond audio, the HK 3390 includes four composite‑video inputs, dual subwoofer outputs with triggers, A/B speaker switching, and a tape monitor loop — all wrapped in Harman Kardon’s signature clean, understated industrial design.

Key Features

• 80W × 2 high‑current stereo amplification (FTC)
• Ultrawide bandwidth: 10 Hz – 110 kHz
• ±42A HCC (High‑Current Capability) for superior speaker control
• MM phono input for turntables
• A/B speaker switching
• Dual subwoofer outputs with trigger
• Four composite‑video inputs + front A/V input
• Stereo pre‑outs for external power amplifiers
• Tape monitor loop
• FM/AM tuner with RDS, 30 presets, auto‑preset and direct tuning
• Two switched AC outlets for accessory devices
• IR remote extension jacks
• Harman Kardon system remote for controlling compatible CD players and tuners

Audio Performance

• Continuous power output (FTC):
• 80W × 2 into 8Ω
• 20 Hz – 20 kHz, <0.07% THD
• Both channels driven
• High‑current capability: ±42 amps
• Ultrawide bandwidth: 10 Hz – 110 kHz
• Phono input: MM cartridge compatible
• Headphone output: High‑quality front‑panel jack

The HK 3390’s amplifier section is engineered for instantaneous current delivery, ensuring tight bass, dynamic transients and precise loudspeaker control.

Tuner Performance

• Usable sensitivity: IHF 1.3 µV / 13.2 dBf
• THD @ 1 kHz (100% modulation):
• Mono: 0.2%
• Stereo: 0.3%
• FM adjacent‑channel selectivity: 70 dB
• Ultimate S/N ratio:

• Mono: 70 dB
• Stereo: 68 dB

The built‑in tuner offers clean, stable FM/AM reception with RDS support and 30 station presets.

Connectivity

• Audio inputs:
• Phono (MM)
• CD
• Tape monitor (in/out)
• Video 1, Video 2/DVD, Video 3
• Front A/V input
• Video:
• 4 × composite video inputs
• 1 × composite monitor output
• Outputs:
• Dual subwoofer outputs with trigger
• Stereo pre‑outs
• Tape and video recording outputs
• Control:
• IR remote extension jacks
• Trigger output
• Speakers:
• A/B speaker terminals (8Ω)

Ease of Use

• Two‑line dot‑matrix display
• Dimmer function for display brightness
• A/B speaker switching from the remote
• Auto preset, direct tuning and RDS support
• Color‑coded rear‑panel connections
• Two switched AC outlets for powering accessories

Power & Dimensions

• Power consumption: 230W
• Dimensions (H × W × D): 165 × 440 × 382 mm
• Weight: 9.5 kg