Sony - MX-12M – 6 Channels – Briefcase-Format Analogue mixer





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Two-unit lot: Sony MX-12M six-channel portable stereo mixer, in very good condition, power cord included, tested and working.
Description from the seller
Description:
Bid on this superb vintage portable stereo six-channel mixer: Sony MX-12M, made in Japan in the 1970s. Designed originally for field recordings or mobile setups, this unit combines a unique retro "briefcase style" look with the legendary Sony engineering of the era.
Brand: Sony
Model: MX-12M (Six Channel Stereo Mic Mixer)
Serial Number: 33413 (visible on the rear plate)
Main Features:
- 6 mic/line inputs with independent attenuators (0 dB / 20 dB).
- Smooth sliding potentiometers for each channel.
- Retro backlit analog VU meter for level control and battery status.
- Stereo / Mono mode selector.
- AUX IN inputs and LINE OUT outputs (-10dB) in RCA format.
- Power: Operates on DC 9V (35mA) or via a compartment for 6 UM-1 Flashlight-style batteries (batteries not included).
Aesthetic and internal condition: The unit is in good exterior cosmetic condition. Internal circuitry is clean and original (see photos of components and potentiometers). Note: Sold as vintage working condition.
Technical Specifications (Size & Weight)
Dimensions (closed in suitcase mode): About 36 cm (Width) x 17 cm (Depth) x 13.5 cm (Height).
Net weight: About 3.2 kg (batteries not included).
Shipped weight with secure packing: About 4.5 kg.
Shipping and Delivery Conditions
WARNING – READ CAREFULLY BEFORE BIDDING:
Delivery area: SHIPPING AVAILABLE ONLY to continental countries of the European Union.
Strict exclusions: NO shipping to islands (e.g., Corsica, Sicily, Sardinia, Canary Islands, Azores, Greek islands, etc.). If you reside on an island, please do not bid, the order will be cancelled.
Packaging: The unit will be professionally packed with multiple layers of bubble wrap and a double-corrugated rigid carton to ensure maximum protection during transport.
Tracking: Fast dispatch with tracking number and insured.
Description:
Bid on this superb vintage portable stereo six-channel mixer: Sony MX-12M, made in Japan in the 1970s. Designed originally for field recordings or mobile setups, this unit combines a unique retro "briefcase style" look with the legendary Sony engineering of the era.
Brand: Sony
Model: MX-12M (Six Channel Stereo Mic Mixer)
Serial Number: 33413 (visible on the rear plate)
Main Features:
- 6 mic/line inputs with independent attenuators (0 dB / 20 dB).
- Smooth sliding potentiometers for each channel.
- Retro backlit analog VU meter for level control and battery status.
- Stereo / Mono mode selector.
- AUX IN inputs and LINE OUT outputs (-10dB) in RCA format.
- Power: Operates on DC 9V (35mA) or via a compartment for 6 UM-1 Flashlight-style batteries (batteries not included).
Aesthetic and internal condition: The unit is in good exterior cosmetic condition. Internal circuitry is clean and original (see photos of components and potentiometers). Note: Sold as vintage working condition.
Technical Specifications (Size & Weight)
Dimensions (closed in suitcase mode): About 36 cm (Width) x 17 cm (Depth) x 13.5 cm (Height).
Net weight: About 3.2 kg (batteries not included).
Shipped weight with secure packing: About 4.5 kg.
Shipping and Delivery Conditions
WARNING – READ CAREFULLY BEFORE BIDDING:
Delivery area: SHIPPING AVAILABLE ONLY to continental countries of the European Union.
Strict exclusions: NO shipping to islands (e.g., Corsica, Sicily, Sardinia, Canary Islands, Azores, Greek islands, etc.). If you reside on an island, please do not bid, the order will be cancelled.
Packaging: The unit will be professionally packed with multiple layers of bubble wrap and a double-corrugated rigid carton to ensure maximum protection during transport.
Tracking: Fast dispatch with tracking number and insured.

