Jamo R 2500

Data

General

• Manufacturer: Jamo
• Model: R 2500 (identical in construction as R 5000, but less power)
• Type: Receiver
• Years of manufacture: 1976 - 1980
• Made in: Denmark
• Color: front variants silver / black or black, wooden cabinet
• Remote control: no
• Power consumption: 220 W
• Dimensions: 555 x 117 x 285 mm (WxHxD)
• Weight: 8.2 kg
• Original price approx.: 800 DM

Connections

• Number of inputs:
  • Phono MM: 3 mV, 47 kOhm

Aux (DIN): 200 mV, 80 kOhm

• • Tape Play (DIN): 200 mV, 470 kOhm
  • Antenna (FM: 75, 300 ohms, MW: 300 ohms).
• Number of outputs:
  • Tape (DIN): 20 mV, 20 kOhm
  • Headphones (6.3mm jack): 1 V, 8 Ohm
  • 2 speaker pairs: 4 - 16 Ohm

Technical Data

Amplifier

• Continuous power (at distortion):
  • 8 Ohm: 2x 18 W (1 kHz)

4 Ohm: 2x 25 W

• Dynamic power:
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0.3 %
• Attenuation factor: 60 (8 Ohm, 1 kHz)
• Frequency response:
  • Phono, RIAA: 30 - 15'000 Hz, ± 0,3 dB
  • High level: 10 - 40'000 Hz, ± 1 dB
• Signal-to-noise ratio:
  • Phono: 60 dB
  • High level: 60 dB
• Tone control:
  • Bass: ± 17 dB at 40 Hz

Treble: ± 14 dB at 12.5 kHz

• Loudness: + 10 dB at 40 Hz, + 4 dB at 12.5 kHz
• Subsonic: at 70 Hz, - 12 dB / octave
• High Filter: at 8 kHz, - 12 dB / octave
• Mute:

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 87.5 - 108 MHz

MW: 540 - 1640 kHz

• All other specifications for VHF
• Input sensitivity: 25 µV (46 dB)
• Frequency response: 25 - 15'000 Hz, ± 1,5 dB
• Distortion factor:
  • Mono: < 0.3 %

Stereo: < 0.4

• Signal-to-noise ratio:
  • Mono: 70 dB

Stereo: 60 dB

• Channel separation: 40 dB (1 kHz)
• selectivity: 60 dB
• Co-wave selection: 1.0 dB
• Spurious wave selection: 80 dB
• Image frequency attenuation: 80 dB
• IF attenuation: 80 dB
• AM suppression: 50 dB

Special Features

• Microphone front input (6.3mm jack)

Remarks

• Preamplifier:
• Jamo ST 50

• Receiver:
• Jamo R 2500
• Jamo R 5000

• Tuner Preamplifier:
• Jamo TP 100

• MFB series active speakers:
• Jamo MFB 90
• Jamo MFB 100
• Jamo MFB 200
• Jamo MFB 300

• Passive Speaker
• Jamo J-35
• Jamo J-45
• Jamo J-60
• Jamo J 80

Pictures

• Picture: Jamo TP-100, R 5000

• Extract from brochure: Jamo R 5000