Login / New Account
Home>Tube Power Amplifiers>Audio Research>
Audio Research REF-250 mono power amplifier Audio Research Reference 250 Posted On 29.10.2021
Last Update On 23.01.2022 Audio Research Reference 250
Audio Research Reference 250 Audio Research Reference 250
Description Original Description is in English, other language texts are translations and can contain errors. EnglishDeutschTurkish

The unit's voltage is: 230V/50Hz 

The Reference 250 features a more modern, monochromatic appearance, including a new front panel with a small aluminum power button. An analog meter with adjustable illumination is set in the front panel is capable of displaying power output and tube bias settings.

A new low turbulence fan provide effective yet silent cooling. Internally, the Reference 250 is outfitted with the KT120 output tubes and a bulk power supply 50 percent larger than its predecessor (REF 210). Connections include accommodation for 4, 8 or 16 ohm speakers, an XLR input as well as 12 volt trigger connections.


(3 matched pairs) KT120 power output

(1 matched pair) KT120 driver

(2) 6H30 gain stage and regulator driver

(1) 6550C regulator

Add to Favorites
Lotus Concept Member Since November 2019
Verify This Member!
1 other(s) verified this member.
Seller Verification by audioG
replies email, confirmed by audioG
has a website, confirmed by audioG
replies calls, confirmed by audioG
Items from this Seller Click Here for Dealer's Profile Page 6 Active Listings
40 Listings All Time

Message Activity
15 Messages (All Time)
0 Messages (Last 6 months)

Asking Price: 15,000 EUR Price History >
Seller Accepts
Length   50   cm
Width 48 cm
Height 23 cm
Weight 40 kg
Shipment Buyer Pays

Shipping Cost (Estimated)
Please contact seller.

Shipping From
İstanbul - Turkey

Shipping To

Return Policy Returns are not accepted for this item.