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VINCENT SP-331 - SEARCH FOR ERRORS; Poor Sound Quality Issues; Persistent Hum Noise; TECHNICAL SPECIFICATIONS

VINCENT SP-331
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30
Vincent
Frequency response: 10 Hz - 20 kHz ±0.5 dB
Nominal Output Power per channel at 8: 150 W
Nominal Output Power per channel at 4: 300 W
Input sensitivity: 1.2 V
Total Harmonic Distortion: < 0.1% (1 kHz, 1 W)
Signal to Noise Ratio: > 90 dB
Input Impedance: 47 k
AC power connection type: 220V – 240V/50 Hz
Inputs: 1x RCA main input stereo
Outputs: 2 x 2 loudspeaker clamps
for up to 4 loudspeakers
Dimensions (W x H x D): 430 x 160 x 450 mm
Weight: 6.5 kg
Colour: silver / black
Tubes: 2x 6N16
TECHNICAL SPECIFICATIONS
SEARCH FOR ERRORS
Symptom Possible Cause Countermeasure
Poor sound quality
The cable connections are not tight, the con-
nectors are dirty or a cable is defective.
A record player has been connected to a line
level input of the preamplifier without using a
phono preamplifier.
An audio source with standard line level out-
put (example: CD player) is connected to the
power amplifier direct input “INPUT” (4).
Check the cables and cable connections.
Interconnect a phono preamplifier.
Do not connect line level audio sources at the
input.
Humming low fre-
quency noise is
audible, even as
no audio source is
playing back
See section “Net frequency noise”
in the chapter “Tips”.
See section “Net frequency noise”
in the chapter “Tips”.

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