I have found that Atari ST and Amiga monitors make excelent replacements for 
14" monitors. 

AMIGA 1438SS or AMIGA 1438S
 14" tube, anti-glare, 0.28 mm dot pitch

 Horizontal frequencies 15-40 kHz

 Vertical frequencies 45-90 Hz

 Stereo amplifier built-in

 Two loudspeakers built-in

 AMIGA RGB Video cable standard
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Commodore 1084 color monitor
Model      : 1084
Type       : Composite/RGB monitor
Screen size: 14"
Interface  : RGBI & RCA Chroma/Lumina/Audio
Notes      : analog and digital connector pinouts from pinouts.ru

AMIGA 1438S  or Commodore 1084 moitor