Arcam Alpha 3 - Manual (Page 6)

Arcam Alpha 3 handbook
Technical specification
Alpha 3 amplifier
(Noise and sensitivities ref. 40W into 8 ohms at 1kHz.;
OUTPUT POWER (typical)
Both channels driven
Into 8 ohms 40W. (20Hz-20kHz at 0.5%THD)
Single channel driven at 1kHz
Into 8 ohms SOW typical. Into 4 ohms 80W typical.
Harmonic distortion
At SOW, 8 ohms at 1kHz 0.02% typical.
FREQUENCY RESPONSE
Disc input
Typically +/- O.SdB 60Hz - 20 kHz, -3dB at 20Hz.
Other inputs
Typically +/- 0.5 dB 10Hz - 20 kHz.
Tone Controls
Maximum variation +/-5 dB at 50Hz and 15 kHz.
INPUTS
Disc
(suitable for MM and ’high-output’ MC cartridges.)
Sensitivity 2.2mV, impedance 47k ohm/1 OOpF.
Signal to noise ratio (CCIR) 75 dB.
Overload margin 33 dB.
page 5
CD, tuner, tape and video
Sensitivity 170mV
Signal to noise ratio (CCIR) 95dB
Input impedance 20k ohm
Overload margin 30dB.
OUTPUTS
Tape output
Nominal output level 150mV, impedance 2k ohm
Headphones
Maximum output level into 600 ohms 10V rms. Output
impedance 330 ohms. Suitable for heaphones of 8 ohms
to 2k ohms impedance.
Loudspeakers
Nominal output level 40W per channel. Suitable for
speakers of 4 ohms or higher nominal impedance.
GENERAL
Power supply
240V nominal, 230VA max. May be dealer adjusted to 220V
and 120V nominal. (100V models to special order)
Internal mains fuse
800mAT (slow blow) for 240V or 220V operation.
1.6AT (slow blow) for 120 V or 100V operation.
The internal mains fuse is not user replaceable.
Size (overail)
430 mm W X 248 mm D X 84 mm H.
Weight
4.0 Kg. nett.
4.6 Kg. packed.
E . & O E .