Adapting Ortofon OM-Series for SP Turntables – Small Batch Coming Soon

13 replies
Hi everyone, I thought I’d share a little update on a project I’ve been working on recently. I’m developing a production-quality adapter for SP-connected turntables, specifically for the Ortofon OM series cartridge. The goal is to create an adapter that matches the exact geometry and tracking force specifications of the OM series, with a tracking force between 1.5g and 2g. I’ve designed the adapter to require only minimal modifications to the original turntable, making it easy to install while maintaining the authentic feel of the equipment. I’ve been testing it on Beogram 1202 and 3000 turntables, and the design follows the original style, including a transparent needle holder. I’m not sure if this is the right place for a project like this, but I thought I’d share it here to gauge interest. I’m planning to produce a small batch of 10-20 units to start with. If you’re interested, feel free to reach out via private message – I’ll be gathering a list of those who would like to be notified or involved. Edit: I will add images when we get the final production-quality housings out.
Hi, I buy , restore and sell a lot of Beograms roundbelts  so maybe I am interested, my name on the internet is Beovintage.
I'm afraid I don't really understand this.  Do you plan to make an adapter that allows the use of Ortofon cartridges in B&O turntables?

Location: Liverpool

My B&O Icons:

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Beotime.png Beotime.png
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Beosound-Moment.png Beosound-Moment.png
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Beoremote-One.png Beoremote-One.png
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Beogram-400x.png Beogram-400x.png
Old enough to have gazed at classic B&O HiFi in Plumbs shop windows in the 80s...
Yes, you understood correctly. I’m designing an adapter that allows Ortofon’s OM series cartridges to be used with B&O’s SP series turntables, specifically models like the 1202 and 3000, and similar ones with an aluminum tonearm. This only requires minimal modifications to the turntable. As for the project status, I’ve already tested the first prototypes and confirmed that the mounting and weight adjustments work well. I’m currently refining the final design for the transparent part, ensuring it also provides proper support for the cartridge and the needle assembly. Here's couple quick renders of the product.
That is great news.  I have three B&O turntables (Beogram 3000, 8500 and RX2), and I've replaced the MMC4s in the first two at quite some cost quite recently.  They sound great, but the ability to get rebuilt MMC cartridges won't last forever, so it's good to see someone working on a longer-term solution.  Great work.

Location: Liverpool

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beovision-11.png Beovision-11.png
Beotime.png Beotime.png
Beosound.png Beosound.png
Beosound-Moment.png Beosound-Moment.png
Beosound-9000.png Beosound-9000.png
Beosound-5.png Beosound-5.png
Beosound-4.png Beosound-4.png
Beoremote-One.png Beoremote-One.png
Beoplay-Portal.png Beoplay-Portal.png
Beoplay-EX.png Beoplay-EX.png
Beoplay-Earset.png Beoplay-Earset.png
Beoplay-A2.png Beoplay-A2.png
Beogram-400x.png Beogram-400x.png
Old enough to have gazed at classic B&O HiFi in Plumbs shop windows in the 80s...
The painting is complete, and I successfully matched the tonearm's original color. Now, I need to work on the tip section. Currently, it's painted in the same aluminum color, but I want it to be transparent. We tested printing with clear filament, but the results were slightly cloudy. Next, I'll try wet-sanding the clear part's surface and applying a couple of coats of clearcoat. Hopefully, this will achieve the desired result. Here's a quick teaser shot, adapter design vs the original. What do you think? Any feedback on design?
I’m excited to announce that the Ortofon OM cartridge adapter for SP-compatible B&O turntables is now ready! This adapter is designed specifically for Ortofon OM5 cartridges and is compatible with models like the Beogram 1202 and 3000. It follows the original specs for geometry and stylus pressure (1.5–2g) while requiring only minimal modifications to your turntable. The design also replicates the original aesthetic, including a transparent stylus holder. I’ll be producing a limited batch of around 5 units, so if you’re interested in purchasing one, feel free to send me a message.
Hi Territorial can you pm me with some more info on this, and perhaps the price.  
I was thinking about the pricing of 140€ for the adapter, wires and weight + cartridge + shipping You can pick the cartridge type you want from the Ortofon website. https://ortofon.com/collections/om-series So for example, with OM 5S 185€+Shipping OM 5E 195€+Shipping Super OM 5E 225€ + Shipping For the price its plug and play kit. includes everything. I have adapters ready but it takes about 5 days to receive the cartridge after I know which type you're interested in.
Hi Territorial This is a very interesting project! Are you still making these adapters? Or does anyone have any knowledge of anyone else selling similar adapters to fit alternative cartridges to e.g. the tonearm of the Beogram 1202? Thanks in advance.  
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