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FOUR out of the top 10 are SONY and 3 out of top 10 are PANASONIC.
The official World's Smallest Walkman is " SANYO JJ-P4/P5 "
SANYO JJ-P4
![](http://i45.tinypic.com/wr0ri9.jpg)
SANYO JJ-P4 measurement results
Main body 104.5 x 69.7 x 18.1 = 131.8
Tape cassette bulge ( front ) 1.0 x 23.6 x 97.1 = 2.29
Hinge 1.0 x 17.4 x 85.6 = 1.49
131.8 mm + 2.29mm + 1.49mm = 135.58 cm3
THE TOP 10 SMALLEST WALKMANS EVER MADE
cm3
1. Sanyo JJ-P4 / JJP5 135.58 JohnEdward/AGENTORANGE
2. Sony WM-701C 137.75 JohnEdward
3. Kenwood CP-3X 142.14 Skippy1969
4. Sony WM-EX20 146.21 JohnEdward Thinnest 17mm
5. Panasonic RQ-SX71 146.61 JohnEdward
6. Panasonic RQ-SX72 149.86 JohnEdward
7. Panasonic RQ-SX91 151.34 JohnEdward
8. Sony WM-10 w/tape 155.50 JohnEdward
9. Sharp JC-K99 156.22 AO/Jazzrat2000
10. Sony WM-150 156.85 JohnEdward
11. Sony WM-701/702 157.17 AutoReverser
12. Sony WM-102 157.62 MRP32Dave
13. Sanyo JJ-F4 158.76 JohnEdward
14. Aiwa HS-PX610 160.18 JohnEdward
15. Sony WM-808 163.40 JohnEdward
16. Sony WM-EX1 167.15 JohnEdward
17. Sony WM-FX511 168 A.A.Fussy
18. Sony WM-WE01 169.54 JohnEdward
19. Sony WM-F100III 172.49 JohnEdward
20. Panasonic RQ-S44 173.22 JohnEdward
21. Sanyo ESP-7 174.18 AO Thinnest 17mm ties EX-20
22. Hitachi CP-88R 174.84 Walkgirl
23. Toshiba KT-AS10 185.64 ZX280
24. Panasonic RQ-S75 190.03 JohnEdward
25. Kenwood CP-C7 196.8 Rerooted
26. Sony WM-10RV w/tape 210.75 JohnEdward.
LINK TO TOPIC with DETAILS and references Smallest Walkman
It is a GREAT READ
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SMALLEST WALKMAN reference topic