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Velleman K4040 User Manual

Velleman K4040
29 pages
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Total solder points: 700
Difficulty level:
beginner 1o 2o 3o 4o 5þ advanced
ILLUSTRATED PARTLIST H4040IP-ED1
K4040
STEREO VALVE POWER AMPLIFIER
Pure valve sound with high quality EL34 valves
High quality black and chrome housing
Chrome valve socket covers
Easy bias adjustment with LED indication
Removable bottom for easy access and service
High quality capacitors and components
Gold plated input and speaker terminals
Standby function
Soft start circuit for power transformer
Specifications
2 x 90Wrms in 4 or 8
Up to 2 x 15Wrms full class A
Bandwidth: 8Hz to 80KHz (-3dB/1W)
Harmonic distortion: 0.1% @ 1W/1KHz
Signal to noise ratio: >105dB (A weighted)
Input sensitivity: 1Vrms
115VAC or 230VAC / 500VA max.
modifications reserved
stereo power amplifier
4040

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Velleman K4040 Specifications

General IconGeneral
Impedance4 - 8 Ohms
Frequency Response20 Hz - 20 kHz
Total Harmonic Distortion< 1%
Signal-to-Noise Ratio> 90 dB
Input Sensitivity300 mV
Power Supply230 V AC
TypeValve

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