Acoustic Research AR EB101 vs Dual CS 505-4

Side-by-side specifications and a plain-English account of the recorded differences. Full profiles: Acoustic Research AR EB101 · Dual CS 505-4.

Comparison of Acoustic Research AR EB101 and Dual CS 505-4
Specification Acoustic Research
AR EB101
Dual
CS 505-4
Price£160 (used)£160 (used)
CategoryVintageVintage
Statusdiscontinueddiscontinued
Years1984–?1991–?
Drivebelt drivebelt drive
Speeds33/45 rpm33/45 rpm
Operationmanualsemi-automatic
Cartridge suppliedNoneNone
Phono stageNoNo
USB outputNoNo
BluetoothNoNo
Platteraluminiumaluminium
TonearmAR/Jelco-style low-mass armDual ULM arm
Wow & flutter

Practical differences

Highlighted cells show a lower reference price, support for more listed speeds, or the presence of a convenience feature. They are not an overall score.

Both are belt-drive, so that part of the experience should feel similar on either deck: a motor that's mechanically isolated from the platter by an elastic belt, which is the usual route to a quieter noise floor — the default choice across most of hi-fi.

Operation differs: the Acoustic Research AR EB101 is manual, the Dual CS 505-4 is semi-automatic.

Bottom line: both are £160 at reference price — price doesn't separate them, so the table above is where the real differences show up.

Merchant searches

2 UK merchants handle used or discontinued decks like this — each outbound link searches the deck on that merchant’s site.

Merchants selling Acoustic Research AR EB101
MerchantTypeDeliveryProduct search
eBay UK used marketplace Varies by seller Search at eBay UK ↗
Vinyl Revival music retail UK delivery Search at Vinyl Revival ↗

Merchant searches

2 UK merchants handle used or discontinued decks like this — each outbound link searches the deck on that merchant’s site.

Merchants selling Dual CS 505-4
MerchantTypeDeliveryProduct search
eBay UK used marketplace Varies by seller Search at eBay UK ↗
Vinyl Revival music retail UK delivery Search at Vinyl Revival ↗

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