Archimago's Musings: Using Victor's Oscillator as reference (1kHz, ultra-low distortion analogue sine generator). A quick peek at the APx555B Analogue & DAC Signal Generators @1kHz. And on playing music "for fun"!
1kHz Sine Wave Test Tone Signal - YouTube
BCD DTG-1 Digital tone generator
How to Make a Signal Generator| Learn to Generate Electrical Signals : 5 Steps (with Pictures) - Instructables
An Almost Pure DDS Sine Wave Tone Generator: Part 1 - Embedded Computing Design
Sine Wave Generator - Arbor Scientific
LT1007/LT1037 Ultrapure 1kHz Sine Wave Generator under Sine Wave Oscillator Circuits -23508- : Next.gr