Types:
2501 (1986 - Jan 1990)
AUS 2505 (1986 - Aug 1989)
J 2504 (1986 - Jan 1990)
US 2503 (1986 - Jan 1990)

Amplifier:
Long-term max. output power IEC 2 x 80 watts / 8 ohms
Power output 20 - 20,000 Hz IHF 2 x 30 watts / 8 ohms
Total harmonic distortion IHF < 0.1 % & 30 watts 20 - 20,000 Hz
Dynamic headroom 1 dB / 8 ohms
Intermodulation IHF < 0.1 %

Bass control at 40 Hz: +/- 10 dB
Treble control at 12,500: Hz +/- 8 dB

Tuner:
FM range 2501 / 2505: 87.5 - 108 MHz
2504: 76 - 90 MHz
LW range 2501 only: 150 - 350 kHz
MW range 2501 only: 80 µV

Connections: Tape 2 DIN
Phono DIN
AUX DIN
Extra amplifier Phonoplug

Link compatibility: Datalink

Tape recorder:
Compact cassette: C46 - C60 - C90 - C120
Recording system: HX PRO
Tape head: Sendust
Wow and flutter DIN: < 0.15 %
Frequency range chrome: 30 - 18,000 Hz +/- 3 dB
Signal-to-noise ratio: CCIR/ARM
Metal Dolby NR B:>64 dB, C: >73 dB
Chrome Dolby NR B:>65 dB, C: >74 dB
Ferro Dolby NR B:>63 dB, C: >72 dB

Compact disc player:
Frequency range 3 - 20,000 Hz +/- 0.3 dB
Signal-to-noise ratio > 96 dB / 100 dB A-weighted
Dynamic range > 96 dB
Harmonic distortion 0.003 % at 0 dB
0.03 % at -20 dB
Channel separation > 94 dB 20 - 20,000 Hz
Converter system 2 x 16 bit, 4 x oversampling 176.4 kHz
Low pass filter Digital + analog

Power supply:
2501/2505: 110 - 130 - 220 - 240 V switch
2504: 100 V
Power consumption: max. 200 W
Dimensions: W x H x D 76 x 11 x 34cm
Weight: 14 kg

Qualité de fabrication au-dessus de la moyenne. Service après-vente impeccable.
Performances assez bonnes, mais surtout extrêmement stables même après 12 ans, y compris pour les éléments mécaniques.