Apple Multiple Scan 17 Display vs Apple Multiple Scan 20 Display

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Multiple Scan 17 Display compared with Multiple Scan 20 Display

	AppleMultiple Scan 17 Display	AppleMultiple Scan 20 Display
Overview
Released
Released	April 1994	March 1994
Display
Screen size
Screen size	16.1″	19.1″
Panel
Panel	CRT (Nominal 17-inch Trinitron CRT, 16.1-inch viewable image and 0.26 mm stripe pitch; no fixed native pixel matrix)	CRT (Original nominal 20-inch Trinitron CRT, 19.1-inch viewable image and 0.31 mm stripe pitch; no fixed native matrix. Later Revision B uses a different 0.26 mm tube and is not substituted here.)
Colour modes
Colour modes	Digital controls for colour temperature; TidBITS launch coverage reports 5000, 6500 and 9300 K settings	–
Supported signal modes
Supported signal modes	Apple's support sheet lists 640 × 480 at 59.95, 66.7 or 75 Hz; 800 × 600 at 55.98, 60 or 75 Hz; 832 × 624 at 75 Hz; and 1024 × 768 at 60 or 75 Hz. Service Source gives horizontal scan range 29–82 kHz and vertical range 50–150 Hz; ranges are not a native refresh rate. Supported modes depend on computer and adaptor.	Apple's support sheet lists 640 × 480 at 59.95, 66.7 or 75 Hz; 800 × 600 at 75 Hz; 832 × 624 at 75 Hz; 1024 × 768 at 74.93 or 75 Hz; 1152 × 870 at 75 Hz; and 1280 × 1024 at 75 Hz. Service Source gives horizontal scan range 29–82 kHz and vertical range 50–150 Hz. These are supported CRT signal modes, not a native pixel matrix or native refresh rate; modes depend on the computer and adaptor.
Screen coating
Screen coating	Bonded glass panel with multilayer antiglare and antistatic coating	Bonded glass panel with multilayer antiglare and antistatic coating
Connections
Video inputs
Video inputs	DA-15	DA-15
USB-C charging
USB-C charging	None	None
Other connections
Other connections	Captive Macintosh 15-pin DA-15 analogue RGB video cable. Two front ADB device ports and rear ADB pass-through; front microphone input and speaker/headphone output with rear sound-in and sound-out connections to the computer. These are pass-through audio ports, not a claim of integrated speakers. MCmicrocomputer describes the supplied VGA adaptor and audio/ADB cables.	Macintosh 15-pin DA-15 analogue RGB cable; VGA computers need a video adaptor. Two front ADB device ports and rear ADB pass-through port.
Design
Stand adjusts
Stand adjusts	Tilt, swivel	Tilt, swivel
Weight with stand
Weight with stand	22.5 kg	30 kg
Tilt
Tilt	–	−5° to +15°
Swivel
Swivel	–	At least ±45°
Size with stand
Size with stand	Apple support lists 16.7 × 15.9 × 17.8 inches (height × width × depth); Service Source separately publishes 424 × 405 × 452.3 mm	Apple support publishes 18.7 × 18.7 × 19.7 inches (height × width × depth); Service Source separately lists 474 × 474 × 501.5 mm
Weight detail
Weight detail	Service Source publishes 22.5 kg (50 lb); no conversion from the pounds-only support sheet	Service Source gives monitor weight 30 kg (66 lb), distinct from the 36 kg boxed shipping weight. The later 1995 Apple Facts sheet for the 0.26 mm tube instead gives 29.7 kg.
Controls
Controls	Front-panel power, reset, brightness and contrast; image position, size, rotation, convergence and colour temperature. Automatic degauss on power-up.	Front-panel power, reset, brightness and contrast; image position, size, rotation, convergence and colour-temperature controls. Automatic power-on degauss.
Power and support
Power use
Power use	Maximum 150 W; Energy Star power conservation	Maximum 165 W; less than 15 W in Energy Saver mode
Power supply
Power supply	90–132 or 198–260 V AC, 47–63 Hz; mains figures are not display refresh rates	Service Source specifies 90–132 or 198–264 V AC, 47–63 Hz; support archive instead gives the upper band as 198–260 V. These are mains ratings.
Software
Software	System 7.1 or later; older Macintosh models may require additional adaptors beyond 640 × 480. Contemporary Apple press release reproduced in the newsletter dated 11 April 1994 states availability that month, corroborated by TidBITS 25 April. Apple's later support archive instead lists March 1994 introduction; April retail month is retained. Brightness and contrast ratio are unpublished.	System 7.1 or later; older Macs may need additional adaptors. Apple support identifies March 1994 introduction, and InfoWorld's 14 March 1994 shipping section reports rollout that week; month precision retained. Service Source distinguishes original 0.31 mm hardware from later Revision B 0.26 mm hardware with different deflection board, controller and power supply. No Revision B retail date is inferred. Brightness and contrast ratio are unpublished.
Certifications
Certifications	EPA Energy Star; MPR II emissions compliance described in TidBITS launch coverage	US EPA Energy Star power conservation