Nordmende 7500 ST specifications

Category : Receiver

General

Technical data

Special features

Hifi stereo control unit Nordmende 7500/ST
Negative feedback: from the power amplifier via four amplifier stages
Music power: 2x 30 watts
Impedance: 8 ohms
Headphones: 2x 200 ohms
Studio output: 2 volts at 220 ohms
Dynamics: Phono MM > 50 dB, high level > 60 dB
Tone control (based on 1 kHz): 40 Hz +15/-17 dB, 20kHz: +15/-19 dB
Circuits: 16 FM - 4 changeable by capacitance diodes
Wave ranges: 87.5 to 108 MHz
Power supply: 110/130/220/240 V, power consumption 120 watts
Configuration: 61 transistors (3 FET), 22 diodes (5 zener diodes) and 7 rectifiers (Sept . 70) or 61 transistors (3 FET), 10 Ge diodes, 11 Si diodes, 1 Si rectifier, 2 Se rectifiers, 4 capacitance diodes (Jan. 71)

Full transistor device, two ironless power amplifiers with electronic overload protection, Six programmable VHF fixed transmitter buttons with electronic diode tuning and automatic frequency display from 88 to 108 MHz, VHF module: 3 FET's, quad tuning by capacitance diodes, AFC button for electronic retuning, three tuning display instruments, connection socket for remote control unit ( 971.189A). Automatic stereo mono switching, Buttons for mute and stereo mute tuning, Button for backband control, Continuous treble and bass adjustment by sliders, Buttons for contour, noise and rumble, Built-in equalizer preamplifier for magnetic pickup systems, Level adjusters for all 5 stereo inputs, Headphone jack, 2 volt output jack, Pilot tone-controlled electronic mono stereo switching