Uher 4000 Report Monitor AV specifications

Brand : Uher

General

Connections

Tech nical data

Special equipment

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: contact 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
- Monitor: contact assignment 3/5 and 2 (2 =ground), output voltage 775 mV (0 dB), output resistance: 5.6 kOhm
- Headphone 1: Contact assignment 6.3mm coaxial jack, output voltage max. 2 V (at 7.8 V and RL -> infinity), output resistance: 33 ohm
- Headphones 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

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: Contact 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

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 6.3mm coaxial jack, output voltage max. 2 V (at 7.8 V and RL -> infinity), output resistance: 33 ohm
Headphones 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

Max. Coil diameter: 13 cm
tracks: half-track, according to DIN 45511 part 1
heads: 2
tape speed: 2.4 cm/s; 4,75 cm/s, 9.5 cm/s; 19,05 cm/s
Pitch variation (CV): not more than +/- 0.14% in 19 cm/s, with a maximum of +/- 0,2% at 9.5 cm/s
total 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
height modulation levels (as measured to 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
signal-to-noise distance (measured to DIN reference empty 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
s / n ratio:
THD:
equalization:
signal-to-Noise ratio:
Crosstalk (measured to DIN reference empty tape) at 1 kHz: mono >= 60 dB
delete damping (measured to DIN reference empty tape) at 1 kHz: > 80 dB
RF bias frequency: approx. 100 kHz

three-head machine with a monitor circuit for tape monitoring
gain control over illuminated peak voltage meter with automatic timer for the lighting
display the playback level on the Vu meters
light-emitting diodes operating display
battery control
Electronic amplifier switching
power supply for condenser microphones of the device using the microphone sockets
Strip tension control
3-digit counter
control speaker, on / off switch
Start/Stop remote control, to display the function remote stop by yellow light-emitting diode
stable durable all-metal housing made of aluminum die casting
head carrier is made of aluminum die casting
wide range of accessories