MiniSistem Denon M 31 + Boxe Denon SC G 51 B cu telecomanda originala : 2 intrari, 2 iesiri, iesire preamplificata pentru subwoofer, impedanta 6-16 ohmi, optical output, 50 W, cd player, tuner cu RDS, EON, PTY, memorii, deck autoreverse, dolby b,c, NR, usita motorizata, incarcare orizontala, telecomanda originala si boxe SC G 51 B, pe 2 cai, bass reflex, diametru bass de 13 cm, culare neagra, plase de protectie, o boxa este lovita in colt spate (vezi foto), impedanta 6 ohmi, 60W.100W, made in Germany, dimensiuni H=45cm, L=26cm, A=39 cm.

Semiconductors present.
Semiconductors
Main principle
PLL, Phase-locked loop
Wave bands
Broadcast (BC) and FM or UHF.
Details
CD-Player, -Writer, MD, MOD (audio); Radio Control (+Remote Wire etc)
Power type and voltage
Alternating Current supply (AC) / 60Hz, 120 or 50Hz, 230 Volt
Loudspeaker
- This model requires external speaker(s).
Power out
44 W (max.)
Material
Metal case
from Radiomuseum.org
Model: CD Receiver UD-M31 - Denon Marke / brand
Shape
Tablemodel, with any shape - general.
Dimensions (WHD)
210 x 95 x 325 mm / 8.3 x 3.7 x 12.8 inch
Notes
Specifications of the Denon CD Receiver UD-M31

Receiver section
Reception frequency band: FM: 87.50 MHz ~ 108.00 MHz
AM: 520 kHz ~ 1710 kHz
Reception sensitivity: FM: 1.5 μV/75 Ω/ohms
AM: 20 μV
FM stereo separation: 35 dB (1 kHz)
Rated output power: 22 W + 22 W (6 Ω / ohms, 1 kHz, T.H.D. 10%)
Audio input / output jacks: AUX input/output jacks, TAPE PB/REC jacks,
PRE OUT (MONO)
3.5 mm headphones jack

CD player section
Wow & flutter: Below measurable limits (±0.001% W. peak)
Sampling frequency: 44.1 kHz
Optical source: Semiconductor

Clock, Timer section
Clock system: Power source synchronous system
Clock precision (per month): ± 30 seconds
Timer functions: Everyday timer (1 setting)
Once timer (1 setting)
Sleep timer (maximum 60 min.)

General
Power supply: AC 120 V, 60 Hz or 230 V, 50 Hz
Power consumption: 50 W
Remote control unit: RC-933
Remote control system: Infrared pulse system

Made in China.

Net weight (2.2 lb = 1 kg)
4.3 kg / 9 lb 7.5 oz (9.471 lb)
Mentioned in
- - Manufacturers Literature (Operating Instructions)
Author
Model page created by William Fague. See "Data change" for further contributors.
Other Models
Here you find 472 models, 460 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.