WM-EX511Aka EX618

Sony WM-EX511 feature
WML ID #179
Manufacturer
Sony
Model
WM-EX511
Nick
Aka EX618
Year
1994
Made in
Japan
Initial price
14000 ¥Today 104 $
Technical details, specifications
Battery
EXT1AA gumstick
Battery life
12.5 h
Colors
black blue (light) gray (matte)
Dimensions
108.4*77.2*20.3 mm (170 cm³)3D size
Weight
150 gr
Window
yes
Frame
plastic
Case
metal
Carry
pouch
Expandable
no
External compartment
yes
Tape selector
Automatic
Waterproof
no
Speaker
no
Frequency range
20-18000 Hz
FMax output
2x5 mW
Functions
DC in
yes
Record by input
no
Record by int mic
no
Hotline mode
no
Cue
no
Balance (L/R)
no
Phone type
3
Equalizer
no
Auto volume yes
Auto reverse
yes
Anti rolling
yes
AMS yes
Blank skip yes
Logic control
yes
Hold lock
yes
Bass
so-exdbb
Noise reduction
Dolby B NR
Radio
no
Remote control
yes
Wireless headphone
no
Indicator
led
Description

Also known as the WM-EX618, this super Walkman is just over 2cm thin but packed full of features

This super-slim Walkman may have been small, but it included many advanced features that one may only expect to find fitted to large cassette decks. Most of these features were made possible because the mechanism was logic controlled, so its functions could be sequenced automatically by electronics rather than manually by the user.

Electronic controls allowed AMS (automatic music search) to be included. This allowed the machine to automatically skip forwards or backwards one track at a time, just like a CD player. Furthermore, by holding down the play key one could enter a “repeat” mode, where one song would be played over and over again. Finally, there was the “blank skip” mode, where long passages of empty tape were automatically fast forwarded, with play resuming once audio was found. The blank skip function was controlled by a slide switch inside the cassette compartment which also controlled the auto-reverse mode (once only/continuous play), so blank skip was only available in continuous play mode. The Dolby B NR was also controlled by a slide switch located in this area.5

The main tape deck was operated using four large chromed buttons. The operation of these could be blocked using the “hold” switch, and all functions were duplicated on a small remote control unit that was fitted in the lead of the supplied headphones. In addition to Dolby B NR, a volume limiter and a loudness circuit were also included. Although Sony normally referred to loudness devices as “Mega Bass”, this was not the case with the WM-EX511/EX618, where the system was called “EX DBB”. As one would expect, chrome and metal tapes could be played properly in the WM-EX618, with the selection of tape type being automatic.Via Walkman Central (edited)

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Additional notes
Photos reused with permission from boxedwalkman on IG.
Created
2023-03-13 14:23:04
Updated
2024-06-14 07:39:37
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