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Note: This item may not be returnable or could require a restocking fee. Contact one of our Audio Consultants for more details. Due to the special nature of this item, we order each unit fresh from the factory, exclusively for you! Lead times may vary so please chat, call or email for up-to-date inventory status.

Please note: this item is available for purchase in the United States only.

Genelec 1234ACM - Single

Smart main studio monitor for use in demanding film and post production work, where perf screen or hi-res LED displays are employed
MFR# 1234ACM

Product Description

Designed for mixing stages and large control rooms, the directivity and SPL capability of the Genelec 1234AC is compatible with typical screen channels in commercial cinema, albeit offering the higher performance, lower distortion and lower noise required for professional monitoring.

The 1234AC may be used in either horizontal or vertical orientation, thereby providing tailoring of low frequency directivity to both the room and the monitor placement. Its acclaimed DCW waveguide ensures precise imaging both on and off axis – giving the user the ability to make accurate mix decisions even when sitting outside the narrow sweet spot of most studio monitors.

The three-way 1234AC comes with an all-active, high-performance Genelec RAM XL amplifier to power its dual 305 mm (12 in) woofers, 125 mm (5 in) midrange and 25 mm (1 in) high frequency drivers to deliver a wide 29 Hz – 21 kHz frequency response and a short-term level in excess of 125 dB SPL, with even higher peak levels.

The 1234AC tightly integrates with the Genelec GLM application, which may be used to compensate for detrimental room influence, perf screen effects and delay, regardless of whether you work with traditional or large immersive formats. GLM also builds complete monitoring systems, so that the 1234AC can easily be combined with other types of Genelec SAM monitors and subwoofers. In operation, GLM doubles as a monitor control application, offering mono and solo functions, monitor switching, SPL calibration and system delay - without the need for any additional hardware.


  • Smart Active Monitor (SAM) Systems
  • Directivity Control Waveguide (DCW) Technology
  • Optimized amplifiers
  • Active crossovers
  • Intelligent signal sensing (ISS) Technology
  • Protection circuitry

Product Specifications

Condition New
Width 47.6 in
Depth 16.3 in
Height 19.3 in
Unit Weight 161 lb
Active or Passive Active
Monitor Application Far-Field, Mid-Field
Speaker Configuration Three-Way
Driver Sizes LF: 2 x 12"; MF: 5"; HF: 1" metal dome
Number of Speakers Single
Input Connectors AES/EBU XLR, Analog XLR
Amp Wattage LF: 2 x 750 W; MF: 400 W; HF: 250 W
Frequency Range 29 Hz - 21 kHz
Max. SPL 125 dB

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
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Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
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