MATRIXSYNTH: Waldorf Microwave I, Rev A, OS V2

Monday, May 24, 2021

Waldorf Microwave I, Rev A, OS V2

via this auction

Pics of the inside below.

"Waldorf Microwave I, revision A, OS v2, green LCD/blue panel, with CEM3389 filters.
Includes Mitsubishi 512KB RAM card.

This is one of first pre serial devices, laboratory piece, with no serial number even.
Device arrived with gray outboard mains transformer, not black bigger transformer which were used in serial devices later.
How you know, first revision of WM 1 was equipped with single mains transformer, out of device. In turn, revision B got two separate transformer inside device.
So, this particular device also was modded professionally with two transformers, to separate powering of analog and digital chains what positively affecting onto sound signature, more crisp on highs/mids, low enriching/articulation, better stereo and transients.
In fact, this is typical technical solution for high grade and pro audio devices, top AD/DA etc.
Other nice modding is refreshing old shaky encoder with new Bourns part, which also added very useful function - encoder pushing function which doubles Value/OK button and increase speed of operation and dialing.

Since WM 1 was produced with non-detachable mains cord, so, cord was equipped with standard IEC mains outlet to connect with usual mains cable.

Overall, device in good condition, LCD, buttons working perfectly. Goes with fat ! preliminary paper manual, Performance manual.

Mains - 230VAC."

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