Sony MDR-7506 vs Sony MDR-R10

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MDR-7506 compared with MDR-R10

	SonyMDR-7506	SonyMDR-R10
Overview
Released
Released	1991	1988
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	40 mm	50 mm
Back
Back	Closed	Closed
Impedance
Impedance	63 ohms	40 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	Dynamic, 40 mm dome-type; 10 – 20,000 Hz; 106 dB/mW; maximum input 1,000 mW (IEC)	Dynamic dome-type drivers with bio-cellulose diaphragms; 20 Hz – 20 kHz stated response; 100 dB/mW sensitivity; 300 mW rated input and 1,000 mW maximum input
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	230 g (better)	400 g
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	Circumaural, closed-back; folds; click-scale headband sliders	Carved zelkova-wood housings, lambskin cushions and a self-adjusting carbon-fibre headband with magnesium hangers, described in Home Technology Review's contemporary review
Dimensions
Dimensions	–	Approximately 400 g without the cord, as specified in Sony's service manual
Works with
Works with	Fixed coiled cable, about 1.2 m (about 3 m extended), with a gold-plated two-way stereo plug (3.5 mm and 6.3 mm)	Fixed 3 m cord and standard stereo plug; 6.3 mm plug with rhodium and gold plating described in Home Technology Review
Colours
Colours	Black	–
In the box
In the box	MDR-7506 headphones, carrying pouch	Hard case, wiping cloth, earphone/headphone cleaning tissue, contact-cleaning tissue and manual