Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the HF89
The EICO HF-89 is a vintage stereo tube power amplifier rated at 50 watts per channel into 8 ohms. It uses one ECC83, two 6SN7GTB, and four EL34 output tubes, with selectable speaker loads from 4 to 16 ohms. Published specifications include a frequency response of 5 Hz–100 kHz, 1% total harmonic distortion, a damping factor of 12, 0.55 V input sensitivity, and a 90 dB signal-to-noise ratio. The amplifier operates from 117 V AC and measures approximately 15 × 11 × 6 inches, weighing about 37.5 pounds. It is a power amplifier and requires separate speakers and a preamplifier or other suitable source component.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 50W @ 8Ω
- Amplifier Class
- tube
- Damping Factor
- 12
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 0.6V RMS
Analog Output
Analog signal output specifications
- THD
- 1.000%
- SNR
- 90 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 381 × 279 × 152 mm (W × H × D)
- Weight
- 17 kg (37 lbs)
Key Specifications
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions