Description: Audio Research Ref 750SE Amplifier - Pair MSRP: $75,000 These amplifiers are in excellent condition and work flawlessly. They come with their factory packaging, KT150 tube set (544 hours), a copy of the user manual, and power cords. These amplifiers are incredible and sound surreal. These are offered with freight shipping available or for local pickup in Columbus, OH. Feel free to message me your shipping zip code for a freight quote. Do not miss out on these incredible amplifiers at an unbeatable price! SpecificationsPOWER OUTPUT750 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 750 watts, below .04% at 1 watt. Approximate actual power available at “clipping” 850 watts (1kHz). (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)POWER BANDWIDTH(-3dB points) 15Hz to 150kHzFREQUENCY RESPONSE(-3dB points at 1 watt) 1 Hz to 200 kHzINPUT SENSITIVITY4.6V RMS Balanced for rated output. (24 dB gain into 8 ohms.)INPUT IMPEDANCE200K ohms BalancedOUTPUT TAPS4, 8, 16 ohmsOUTPUT REGULATIONApproximately 0.5dB 16 ohm load to open circuitOVERALL NEGATIVE FEEDBACK13dBDAMPING FACTORApproximately 17DISTORTION-SLEW RATE20V/µsRISE TIME1.5 µsHUM & NOISELess than 0.2mV RMS – 110dB below rated output (IHF-A weighted, input shorted, 16 ohm output).POWER SUPPLY ENERGY STORAGEApproximately 1300 joulesPOWER REQUIREMENTS105-130VAC 60Hz (260-750VAC 50Hz) 2100 watts at rated output, 2400 watts maximum, 800 watts at “idle”.TUBE COMPLEMENTREFERENCE 750: (8 matched pairs) KT120 power output, (1) 6550WE regulator, (1) 6H30 regulator amplifier, (1 matched pair) KT120 driver, (1) 6H30 follower. REFERENCE 750 SE: (8 matched pairs) KT150 power output, (1) 6550WE regulator, (1) 6H30 regulator amplifier, (1 matched pair) KT150 driver, (1) 6H30 followerDIMENSIONS13½" (34.3 cm) W x 23" (58.4 cm) H x 20.8" (52.8 cm) D. Handles extend 1½" (3.8 cm) forward and rearward.WEIGHT170 lbs. (77.2 kg) Net; 395 lbs. (180 kg) per pair shipped weight Check out my other listings.Feel free to ask any questions.NOTE: These amplifiers are being offered with freight shipping available or for local pickup in Columbus, OH. They are being offered as is with no returns.
Price: 29995 USD
Location: Dublin, Ohio
End Time: 2024-12-15T22:00:01.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Color: Silver
Audio Outputs: Banana Speaker Jacks, Raw Cable Speaker Jacks, Spade Connectors
Number of Outputs: 1
Amplifier Class: A
Brand: Audio Research
Type: Monoblocks
Unit Type: Unit
Audio Inputs: Stereo L/R RCA, XLR
Number of Channels: 1
Number of Inputs: 2
Model: Reference 750SE
Unit Quantity: 2
Country/Region of Manufacture: United States