Amply complies with HiFi standard DIN 45500 2 x 40 Watt music power class A very beautiful design, which would also suit today Built-in preamplifier with RIAA correction Mono/stereo switch with light Electronic short-circuit protection Amplifier Type AH 561 Output power: 2 x 30 W continuous at 4 Ohm 2 x 40 W music at 4 Ohm Frequency range 15-40,000 Hz linear Power bandwidth 15-30,000 Hz -3 dB Load impedance speakers 4 – 16 Ohm headphones 600 OHM Harmonic distortion < 1% at 2 x 30 W < 0.1% at 2×20 W Intermodulation distortion < 1% Signal to noise ratio >- 90dB at max power. Crosstalk attenuation Balance control Treble control Bass control Rumbele filter Noise filter can be switched Presence filter Contour switched on in 3 positions Damping factor 20 x at 4 OHM Power supply 110, 127, 220 and 240 V Power consumption max 125 W Dimensions (h x w x d) 117 x 470 x 280 mm The amplifier has been tested and works well. See the extensive photo series for the right impression, which is also part of the description. The goods will be well-packed in bubble wrap and will always stay that way shipped insured with track & trace code. Shipping costs may be higher for islands and difficult destinations!