SONY WM-EX90

Commentary

With its thin body and plenty of functions, this Walkman is perfect for learning English conversation.

It has a section repeat function, and you can repeat the section many times if you indicate any 2 points.
The interval can be set arbitrarily from 2 seconds to the end of the playback tape surface, and can be operated with a remote control.

Equipped with a removable battery case (AAA 3x2), it can be used with a rechargeable battery for 17.5 hours long play.

Equipped with a large liquid crystal display.
It also has a 3-digit LCD tape counter, clock display and battery voltage drop display.

It has a Queue & Review function.

An EX amorphous head is used for the head part.
It uses an amorphous material that has better magnetic characteristics and durability than conventional permalloy materials. In addition, it uses an EX mechanism with a special tape guide that keeps the angle between the head and the tape constant to obtain excellent sound quality.

Equipped with Dolby B as a noise reduction system.

Equipped with an auto tape selector.

The earphones use headphones that reduce sound leakage.
These earphones use a teardrop shape to reduce sound leakage through the space between the headphone and the ear, and a silent cap to eliminate unwanted sound leakage by leaving only the ear hole for sound.

Equipped with an EXD. B. B. circuit, it is possible to play back more powerful bass sound.
The Dynamic Base Boost circuit can enhance 50 Hz bass by up to 16 times. This function is not just a boost, it automatically adjusts the emphasis according to the current volume position.
In the EXD. B. B. circuit, the amplification amount is also changed linearly according to the volume change of the original sound to prevent the delicate tone of the weak sound from being lost.

It is equipped with a 10 minute quick charge function, and it can be charged up to 50% of full charge in 10 minutes, and full charge in 30 minutes.
It automatically switches between fast charging and normal charging according to the remaining amount of the rechargeable battery.

There are 2 color variations, black and white.

Model Rating

Type	Walkman
Heads	EX Amorphous Head
Maximum practical power	5mW+5mW
Input / output terminal	Headphones : stereo minijack DC input : EIAJ uniform polarity DC input terminal, 1.5 V
Attached headphone	Twin turbo system Sound leakage reduction mechanism (50%)
Tape Ready	Hi-Positive (CrO2), metal
Noise reduction	Dolby B Type
Accessory function	Heavy bass EX DBB circuit Auto tape selector Full button repeat remote control Oatley Bath FWD/REV surface notification function Interval repeat Queue & Review Tape counter Clock display
Pwer	2 dry batteries (AA) Rechargeable Battery (NC-6WM) Electric Power Line : AC-E15L + Attached Battery Case Car Battery : DCC-E115L + Attached Dry Cell Case
Battery life time (The parentheses are for recording)	6.0 hours (when using Sony Dry Battery New Super, EIAJ) 15.0 hours (Sony Dry Cell with New Alkali, EIAJ) 2.5 hours (when using rechargeable battery NC-6WM (when fully charged)) 17.5 hours (when using rechargeable battery + alkaline dry battery) 1.5 hours (when using rechargeable battery NC-6WM (when charging for 10 minutes))
Maximum External Dimensions (EIAJ)	Width 154.2x19.5x95.4 mm
Weight	250g (Including Rechargeable Batteries)
Attachment	Headphone ear adapter Rechargeable Battery (NC-6WM) Charger (10 minutes quick charge) 2 dry batteries (AA) Dry battery case Button Battery (CR2016) Carrying Case (Pouch)
Sold Separately	AC Adapter AC-E15L (1.5V/700mA, ¥ 3,000) Car Battery DCC-E115L (1.5v/700mA, ¥ 3,500) Headphones with remote control MDR-EX90 (¥ 5,000)