Skip to main content

Heathkit W4-AM

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco

Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet.
Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet.
Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet. Item Lorem ipsum dolor sit amet.

Technic details

Specifications

Type:
Tube Power Amplifier
Power Output:
20W (At 1kHz with less than 1% THD)
Maximum Output:
27W
Peak Power Output:
36W
Frequency Response:
20Hz to 20kHz (At 1W output)
Harmonic Distortion:
0.06% (At 0.25W, 1kHz)
0.08% (At 0.25W, 20Hz)
0.07% (At 0.25W, 10kHz)
0.15% (At 20W, 1kHz)
1.4% (At 20W, 20Hz)
0.94% (At 20W, 10kHz)
Phase Shift:
30 degrees leading at 15Hz
90 degrees leading at 4Hz
Hum and Noise:
76.2dB below 0.25W output
95.2dB below 20W output
Feedback factor:
22.6dB (Fixed)
Damping Factor:
28.5dB to 1 (Fixed)
Independent of output impedance
Output Impedance:
4, 8 and 16Ω
Valve / tube complement:
6SN7 x 2
5881 x 2
5V4G x 1
Case material:
Metal, TUBES VISIBLE
Power Requirements:
AC 105 - 125V, 50 / 60Hz
Power Consumption:
115W (At 117V)
Dimensions (W x H x D):
15.25” x 7” x 8.5” / 387 x 178 x 216mm
Weight:
23.25 lbs / 10.55kg (Net)
28 lbs / 12.712kg (Shipping)
Year:
1957 ???

Buy this model

You can make a purchase request for this model. Our funds often hold several copies of each model. We are ready to consider any request and offer you our price.

Send request

SEND REQUEST