Uher 4000 Report Monitor AV

Data

General

• Manufacturer: Uher
• Model: Uher 4000 Report Monitor AV
• Type: Mono reel-to-reel tape
• Years of manufacture: 1979 - 1993
• Manufactured in: Munich, Germany
• Color: Grey silver
• Remote control: optional
• Power consumption: approx. 2.5 W
• Dimensions (WxHxD): 285 x 95 x 227 mm
• Weight: approx. 3.6 kg
• Original price approx.: 1'078 DM

Connections

• Number of inputs: 3
  • Microphone: Contact assignment 3/5 and 2 (2 = ground) Pin 8: +5 V, input voltage range 0.1 mV - 40 mV (source resistance 200 Ohm), input resistance ---
  • Radio: pin assignment 1/4 and 2 (2 = ground), input voltage range 1 mV - 400 mV, input resistance 10 kOhm
  • Phono (high level): contact assignment 3/5 and 2 (2 = ground), input voltage range 50 mV - 20 V, input resistance 470kOhm
• Number of outputs: 4
  • Radio: contact assignment 3/5 and 2 (2 = ground), output voltage 775 mV (0 dB), output resistance: 5.6 kOhm

Monitor: contact assignment 3/5 and 2 (2 = ground), output voltage 775 mV (0 dB), output resistance: 5.6 kOhm

• • Headphone 1: contact assignment 6.3 mm coaxial socket, output voltage max. 2 V (at 7.8 V and RL -> infinite), output resistance: 33 Ohm
  • Headphone 2: contact assignment 4/5 and 3/2 (3 = 2 = ground), output voltage max. 2 V (at 7.8 V and RL > 500 Ohm), output resistance: approx. 0.2 Ohm

Technical data

• Max. Coil diameter: 13 cm
• Tracks: half track according to DIN 45511 part 1
• Tone heads: 2
• Tape speeds: 2.4 cm/s; 4.75 cm/s; 9.5 cm/s; 19.05 cm/s
• Pitch fluctuations (synchronization): maximum +/- 0.14% at 19 cm/s, maximum +/- 0.2% at 9.5 cm/s
• Overall frequency response:
  • at 2.4 cm/s: 25 Hz - 6 kHz.

at 4.75 cm/s: 25 Hz - 13 kHz at 9.5 cm/s: 20 Hz - 16 kHz at 19 cm/s: 20 Hz - 25 kHz High-frequency response (measured on DIN reference empty tape) at 10 kHz:

• • at 2.4 cm/s: ---
  • at 4.75 cm/s: -12 dB
  • at 9.5 cm/s: -8.5 dB
  • at 19 cm/s: -4.5 dB
• Noise-to-voltage ratio (measured on DIN reference blank tape):
  • at 2.4 cm/s: ---
  • at 4.75 cm/s: 57 dB
  • at 9.5 cm/s: 64 dB
  • at 19 cm/s: 66 dB
• External voltage spacing:
• Distortion factor:
• Equalization:
• Noise voltage spacing:
• Crosstalk attenuation (measured on DIN reference empty tape) at 1 kHz: mono >= 60 dB
• Cancellation attenuation (measured on DIN reference empty tape) at 1 kHz: > 80 dB
• RF bias frequency: approx. 100 kHz

Special Equipment

• Three-head machine with monitor circuit for backband control

level control via illuminated peak voltage meters with automatic timer for illumination

• Display of the playback level at the level meters
• Light emitting diode operation indicators
• Battery control
• Electronic amplifier switching
• Power supply for condenser microphones from the unit via the microphone sockets
• Tape tension control
• 3-digit counter
• Control loudspeaker, can be switched off
• Remote start/stop, yellow LED indicates remote stop function
• Dimensionally stable, resistant all-metal housing made of die-cast aluminium
• Die-cast aluminium head support
• Wide range of accessories

Remarks

• Other models of the same series:
• Uher_4000_Report_Monitor AV: mono device half-track
• Uher_4200_Report_Monitor: Stereo device half-track
• Uher_4400_Report_Monitor: Stereo device quarter track

Pictures

• Extract from brochure: Uher Report Monitor 4000, 4200, 4400

• Extract from brochure: Uher Report Monitor 4000, 4200, 4400 Accessories

Reports

• Report at "Uher Tape": [[1]]