Rega RB250
The RB250 uses the same arm tube as the RB300 but substitutes the stainless end stub for a threaded plastic version and the counterweight is black painted steel rather than tungsten or stainless steel.

Description
The lateral bearing housing is in brass and the vertical bearings are on either side of the arm tube, with the VTF dial omitted.
Early models came with a lacquered steel counterweight rather than black and recent photographs suggest that Rega has now returned to this silver counterweight on it's Rega branded RB250s.
Specifications
Effective length: 237mm
Overhang: 15mm
Offset: 21.63 degrees
Mounting distance: 222mm
Mounting hole: 23mm
Effective mass: 12g
Cartridge weight range: 4 to 11g
Review
The ultimate budget arm? Refined, detailed, sweet and natural.
Downloads
(early) instruction/owners manual (en)
(late) instruction/owners manual (en)
original rega protractor (en)
baerwald protractor (en)
stevenson protractor (en)
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Rega RB250 / RB 250 owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other inaccuracies. The PDF files are copyright the Vinyl Engine and provided under strict licence. Reproduction for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Rega.
Comments
Rega RB250 counter weight
Submitted on March 2nd, 2009 by mudlarkthere were some versions of the Rega RB250 counterweight that were made from stainless steel, I am looking at one now.
Rega Arm Anti_skating bias
Submitted on January 31st, 2009 by rkernellI just purchased a Michell modified RB-250. In setting it up, the arm has a distinct pull back to the arm lock bar with no anti-skating selected. I was told by the US rep that this is normal. Is this indeed the case?
Rega Arm Anti-skating bias.
Submitted on February 23rd, 2009 by jolymillThe original internal wiring of the Rega arms is fed through a very tightly fitting grommet to prevent the physical resistance of the wiring from interfering with the anti-skating force. Sometimes a dealer will lose or not replace this grommet. In this case you need to set the anti-skating to zero, unscrew the hex nut holding the cable base in place and carefully rotate the base anti-clockwise until a zero bias has been obtained.
Hopefully this will cure the problem.
Rega Arm Antiskating Bias
Submitted on February 2nd, 2009 by gcolognaI also just got the Michell TecnoArm and it behaved in the same way, making it arduous to find the correct position of the cartridge. I noticed the same behavior on a brand new RB700 on a Rega P5.