EICO HF-81 integrated amplifier Specifications

Sidebar 1: Specifications

Description: Tubed integrated amplifier. Tube complement: four ECC83/12AX7, four EL84/6BQ5, two EZ81. Maximum output power: 14Wpc (11.5dBW) continuous into rated load. Frequency response (at 1W into 8 ohms): 10Hz–100kHz, ±0.5dB. Tone control range: ±15dB at 50Hz and 10kHz. Harmonic distortion: <1% at 8W, 30Hz–10kHz, at 10W, 50Hz–5kHz. IM distortion (60Hz and 6kHz at 4:1): 2% at 14W, 0.05% at 5W. Sensitivity (input for 14W): mag phono 4mV, tape head 2mV, Mic 5mV, Aux and tuners 500mV. Speaker connections: 4, 8, 16, 32 ohms.
Dimensions: 15" (385mm) W by 4¾" (120mm) H by 10½" (270mm) D. Weight: 24 lbs (10.9kg).
Serial Number Of Unit Reviewed: None found.
Price: ca 1960: $109.95 assembled, $69.95 kit.
Manufacturer: EICO, Electronic Instrument Company, Long Island City, NY (1960); 853 Broadway, New York, NY (1999); no longer in business (2006).

EICO, Electronic Instrument Company
853 Broadway, New York, NY (1999)
no longer in business (2006)