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EICO Model HF-20

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Technic details

Specifications

Type:
Ultra-Linear Williamson-type Integrated Amplifier complete with Preamplifier, Equalizer & Control Section
Rated Power Output:
20W (Nominal)
34W (Peak)
I.M. Distortion:
1.3%
Total Harmonic Distortion:
Below 1% (20Hz to 20kHz, within 1dB of 20W)

Power Response:
20Hz to 20kHz, ±0.5dB (Power Output 20W)
Frequency Response:
13Hz to 35kHz, ±0.5dB (Power Output 1/4W)
Inputs:
Phono 1
Phono 2
Tape In (Playback)
Tuner
AUX
TV
Outputs:
Tape Output (Recording)
Speaker Connections:
4, 8, 16Ω
Controls:
Selector switch
Level
Loudness
Bass
Treble
Features:
5 feedback equalizations
Low-distortion feedback tone controls
4 hi-level & 2 low-level inputs
Conservatively rated, fully potted output transformer:
Grain-oriented steel, interleaved windings
Tubes Complements:
12AX7 / ECC83 x 2
12AU7 / 12AU7A x 2
6L6 / 6L6A / 6L6B x 2
5U4GB x 1
Optional:
Cover E-1

Power Supply:
AC 105 / 125V, 60Hz
Power Consumption:
100W
Dimensions (W x H x D):
381 x 254 x 215.9mm (With Cover)
Weight:
Approx. 10.89kg
Year:
Around 1955

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