Many known synths that use Pratt-Read Bushing.

ARP
- Odyssey
- Pro Solus
- 2500
- 2600
- Axxe
- Quadra

DK
- Synergy

EML
- 100 / 101

Gleeman
- Pentaphonic

Moog
- Mini
- Multimoog / Micromoog
- Polymoog
- Sonic 6
- Modular keyboard
- Rogue

Sequential Circuits
- Prophet 5/10
- Pro-1 ( 'J'-wire version)

Oberheim
- 4-Voice
- OB-X/Xa
- OB-1
- OB-SX

Octave
- Voyetra 8 keyboard
- Cat / Kitten

PPG
- 2.0 / 2.2 / 2.3

Some Synths that do not use Pratt-Read Bushing.
- Memory Moog
- Roland / Yamaha / Korg / Akai / Kawai synths
- Oberheim OB-8(most), Xk, Matrix 6, Matrix 12
- Arp Chroma, Polaris
- Sequential T8, VS, 2000, Max, Six Trak
- EMS
- Oxford synths

Please email suggestions/ corrections