NuForceREF 18usedNuForce REF 18 Mono Power AmplifierNuforce REF 18 Mono Block Power Amplifier in excellent condition for sale.Also known as Optoma Nuforce Reference 18. Single Block / Unit for sale only.Great Amplifier to drive a center speaker / s...1100.00

NuForce REF 18 Mono Power Amplifier [Expired]


no longer for sale

Nuforce REF 18 Mono Block Power Amplifier  in excellent condition for sale.

Also known as Optoma Nuforce Reference 18. 

Single Block / Unit for sale only.

Great Amplifier to drive a center speaker / subwoofer / Single channel  .

Black Colour. 

Mono Input: RCA or True balance XLR

RMS Power output : 175 watts (8 ohm) 335 watts (4 ohm)
Peak Power output :(20 msec hold time)325W (8 ohms) 650W (4 ohms) 

  • Frequency Response: 20 Hz -0.3 dB - 120 kHz -3 dB
  • THD+N = 0.01%, 1kHz, 1W to 10W, A Weighted.
  • Input impedance: 22K ohm
  • Input sensitivity = 252mV, 1W @ 8 Ohm; 2.57V, 100W @ 8 Ohm; 1.81V, 100W @ 4 Ohm
  • Input sensitivity for maximum power: 3.33V
  • Gain: 21 db
  • SNR > 100 db at 100W
  • 12V DC Trigger Input
  • WBT binding post for spade and banana plug
  • Chassis is made of high-grade anodized brushed aluminum to reduce audio resonance
  • Dimension : 17"W x 15"D x 1.97"H (2.56"H include feet)
  • Weight : 16 lbs
  • Worldwide AC voltage (84VAC to 264VAC). No need for AC regulator if the AC voltage falls within the specified range.
  • AC Fuse: Slow blow, 5A, 250VAC

Will professionally packed to ship worldwide. 

Asking for USD$ 1100 + Shipping. 

I can accept payment by bank transfer .

For Paypal payment , add 4% fee .

Please contact me for further question. 

CK Audio (My Company) has more than 20 years experience in High End Audio.

Local pick up also welcome (Singapore). Please email for low cost shipping rate. 

CK Audio

390 Victoria St #03-41

Golden Landmark 

Singapore 188061