Sony Walkman Professional WM-D3 - Sound, Light, Rental, Event, Media, Studio - Acquris Media & Security



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Sony Walkman Professional WM-D3

Price:

Rental price:

320 SEK
€38 / $52
excl VAT

From day 2:
240 SEK
€28 / $39
excl VAT




 - One of Sony


Description:


One of Sony's most advanced Walkman models with Both the line in / out and microphone input with phantom power.

WM-D3 was the smallest of a range of professional Walkman models. The others was called WM-D6 and WM-D6C.
All these models were based around the highly successful WM-DD mechanism, but had in addition a Pause button in the form of a sliding switch. To avoid having to redesign the entire mechanism, this switch shut off power to the motor.

Another clever detail was for convenient desktop use, rubber feet were fitted to the four corners of the cassette door so that the machine could be placed “upside down” and operated without the need for a second hand to hold it steady since all the control was faced this way. Even all the text and symbols were printed to be the correct way up when the machine was used this way.

Sony WM-D3 was able to record both line and microphone signals, where the microphone input also had "Plug-in Power" (phantom power) to the microphone.
However, there were several other Walkman models on the market with recording, even with capability to record both microphone and line level signals, but what made WM-D3 "Professional" was that it was able to record on Chrome-tape, something that required extra energy to the tape heads, and it could also use Dolby B Noise Reduction while recording. Even the erasing head had to be of a special type. Unlike other simple models with recording, where the erase head consisted of a hinged permanent magnet, the WM-D3 had a complex AC circuit with a double-gap ferrit erase head to be able to erase Chrome tape.

The difference between the WM-D3 and the larger models WM-D6 and WM-D6C was that, in addition to being physically larger, they could also record onto metal tapes (as WM-D3 was only able to playback from), had Dolby C noise reduction, had a quartz-locked servo capstan and had the possibility to adjust playback speed.

Sony WM-D3 had many connections, a headphone jack, a line-out, a combined line / microphone input and the connection of external 3V power source. Moreover, the WM-D3 had a volume knob for headphones and a manual recording adjustment knob. To facilitate control of the recording level was a 5-segment LED indicator that also showed battery status (a feature that was missing in the larger models) and also could be turned off completely to save battery.

The built in tape counter was three-digit and mechanical.

Furthermore, there were five sliding switches;
* Selecting the function of LED indikatering (PEAK LEVEL / OFF / BAT)
* Selecting the type of tape (NORM / CrO2/METAL PB)
* Dolby NR (ON / OFF)
* Signal Level (LINE IN / MIC)
* Pause for one (← PAUSE)



Specifications:


* Type:
Technical props - Walkman

* Recording system:
4 track, 2 channel stereo

* Wow and Flutter:
±0,13%, 0,06% WRMS (NAB)

* Fast Forward/Rewind:
Approx. 2 minutes with Sony HF 60 Cassette

* Frequency response (DOLBY NR off)
60 to 10.000 Hz ± 3dB with Type I (Sony HF-S) or Type II (Sony UCX-S) Cartridges
40 to 16.000 Hz with Type I (Sony HF-S) or Type II (Sony UCX-S) Cartridges

* Signal to Noise (NAB at peak level)
Dolby NR / Cassette typeType I (Sony HF-S)Type II (Sony UCX-S)
On (B-Type)82dB64dB
Off55dB57dB

* Total harmonic distortion:
1.0% with Sony UCX-S cartridge

* Input:
Line / Mic input (3.5mm stereo jack)
Microphone Sensitivity - 0.3 mV (-68dB), Plug-in power for impedance microphones
Line signal, sensitivity - 77.5 mV, 47kΩ

* Output:
Line out (stereo 3,5mm jack), Output Level 0,25 V @ <4,7 kΩ
Headphones (3,5 mm stereo jack), Impedance 8-300Ω Output Level 20mW + 20mW at 10% harmonic distortion and 32Ω load impedance

* Battery life
Recording - approx. 4-5 hours with new alkaline batteries
Playback - approx. 7 hours with new alkaline batteries

* Dimensions
124 x 82,5 x 33,5 mm

* Weight
370 gram



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 - Walkman WM-D3 ready for table top use with all controls easily accessible and all texts clearly visible and turned the "right way around".
Walkman WM-D3 ready for table top use with all controls easily accessible and all texts clearly visible and turned the "right way around".



 - Close-up of connections with input for mic / line signal and output to headphone and line-out. In addition, controls for volume on headphones and recording volume. Furthermore, the two buttons for tape select and Dolby on / off.
Close-up of connections with input for mic / line signal and output to headphone and line-out. In addition, controls for volume on headphones and recording volume. Furthermore, the two buttons for tape select and Dolby on / off.



 - The four rubber feet on the cassette door clearly visible
The four rubber feet on the cassette door clearly visible



 - View the pause button and input for external power
View the pause button and input for external power



 - Cassette lid open. Cassettes are suspended in the cassett door, a solution that was common on Sony
Cassette lid open. Cassettes are suspended in the cassett door, a solution that was common on Sony's Walkman models



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