Boxe MbQuart model 980 S

Boxe MbQuart model 980 S HiEnd : pe 3 cai, diametru bass de 2x20 cm, suspensii de cauciuc, cutii lemn, impedanta 4 ohmi, 140/170 W, frecventa de raspuns 28-32000 Hz, tip coloana, 4 difuzoare, plase de protectie, culoare neagra, dimensiuni H=100cm, L=28cm, A=29cm, poze reale, made in West Germany. Un dif de bass a fost atins, nu influenteaza sunetul. 

Generally

Manufacturer: MB Quart
Model: 980 S Version I and II
Years of construction: 1984-1986 version I, 1986-1990 version II
Made in Germany
Colors: oak, walnut, white lacquer, black lacquer, gray lacquer, cherry, pine, mahogany, wenge, raw oak, white piano lacquer, black piano lacquer for an extra charge
Dimensions: 280 x 1000 x 284 mm (W x H x D), gross volume 78 liters, net volume TTL 1 24 liters, TTL 2 22 liters
Weight: 26 kg
New price approx .: 3200, - DM (RRP pair)

Technical specifications

Design: 3-way closed 1st version, 4-way closed 2nd version, floorstanding loudspeaker.
Chassis:
Woofer: 2x 205 mm cone membrane (MBT 205) 8 ohms parallel to the crossover. 1st version (95-6532)
Woofer: 1x 205 mm cone membrane (MBT 205) 8 Ohm 2nd version (95-6532)
Bass-midrange: 1x 205 mm cone membrane (MBT 205) 8 Ohm 2nd version (95-6532)
Midrange: 1x 50 mm aluminum dome (MCD 51M) 4 ohms 1st version (95-6437, without diffuser)
Midrange: 1x 50 mm aluminum dome (MCD 51M) 8 ohms 2nd version (95-6519, diffuser integrated in the protective grille)
Tweeter: 1x 25 mm titanium dome (MCD 25) 4 Ohm 1st version (95-6411, double magnet?)
Tweeter: 1x 25 mm titanium dome (MCD 26) 4 Ohm 2nd version (95-6533, double magnet)
Power handling (nominal / music band): 140/170 watts 1st version, 140/160 watts 2nd version. (QL 980 SP: 140/170 W)
Efficiency: 2.5 watts (90db / 1m), corresponds to 86 dB / 1W / 1m
Frequency response: 28 - 32,000 Hz
Transition ranges: 600 / 3500Hz 1st version. 350/500 / 3,000 Hz, 12 dB 2nd version.
Impedance: 4 ohms