“Mister Disc”的意思、由来-开放百科全书

词条

Mister Disc

释义

Specifications
References

{{infobox product
| title = Mister Disc (AT770)
| image = Mister Disc (AT770).jpg
| caption = A portable record player sold in the early 1980s by Audio Technica
| inventor =
| launch year = 1980s
| company = Audio-Technica
| available =
| current supplier =
| last production = 1990s
| notes =
| url =
}}

Mister Disc (AT770) was a portable record player sold in the early 1980s by Audio-Technica.^[1] It was billed as being "no bigger than a man's shoe".{{Citation needed|date=February 2008}} It was battery operated, came with a set of fold-away headphones, and was able to play both 33 & 45 RPM records.

Specifications

Type:	Belt-drive transcription turntable platter
Platter:	90 mm aluminium
Motor:	DC, electronically controlled
Speeds:	33\|1\|3}} and {{frac\|45\|3\|4}} RPM
Signal to Noise:	>50 dB
Tone Arm:	Dynamically balanced
Cartridge:	AT103
Frequency response:	30 to 25,000 Hz
Output:	110 mV per channel (line out); 36 mW per channel (headphones)
Power:	4.5 VDC (3 "C" batteries)
Battery life:	12 hours
Dimensions:	W290 x D99 x H65 mm (11.4 x 4 x 2.5 inches)
Weight:	1.2 kg (2.6 lbs)

References

1. ^{{Cite web |url=http://www.newlaunches.com/archives/mister_disc_a_personal_portable_phono_system.php |title=Mister Disc - A personal portable phono system |publisher=Newlaunches.com }}

3 : Portable audio players|Products introduced in the 20th century|Turntables

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