Power Amplifiers

Nakamichi Stasis PA 7 Stereo Power Amplifier Power output: 200 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.1% Damping factor: 60 Input sensitivity: 2V Signal to noise ratio: 120dB Semiconductors: 16 x output transistors per channel Dimensions: 435 x 200 x 421mm Weight: 27kg Learn More

Nakamichi Stasis PA5 Amplifier Power output: 100 watts per channel into 8Ω (stereo) Frequency response: 7Hz to 150kHz Total harmonic distortion: 0.1% Damping factor: 60 Input sensitivity: 1.4V Signal to noise ratio: 120dB Speaker load impedance: 4Ω to 16Ω Semiconductors: 20 x transistors Dimensions: 435 x 135 x 368mm Weight: 16kg Learn More

New York Audio Laboratories OTL-3C Amplifier Learn More

NHT SA-1 Subwoofer Power Amplifier Audio Inputs: Stereo L/R RCA Number of Channels: 1 Number of Inputs: 2 Color: Black Model: SA-1 MPN: SA-1 Power: 90 W Learn More

These have the upgraded black circuit boards with high end caps from symphonic line, high quality parts internally. these are cut and paste from the web specs I found. Hope they are accurate 1 x 110 Watts RMS @ 8 Ohms (each) 2 Ohm load stable Class A/AB 1 - 600,000 Hz frequency range 120,000µF memory (each) 120 amps current delivery <0.04% THD (not audible) >800 continuous damping factor Input impedance 22K ohms DC offset <1 mV RCA inputs 400 VA Plitron transformer (each) Sanken Epitaxial Planar Transistors 2SA1216 & 2SC2922 Anti vibration dual thickness PCB Power consumption when idle ±30Watts 4 internal fuses 250V/6.3A, 5x20mm, fast blow 18"W x 16"D x 4 1/4"H weighs 32 pounds. Learn More

Parasound Halo A21 2 Channel Power Amplifier Continuous power output: 250 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, all channels driven 400 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, all channels driven 750 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω Current capacity: 60 amperes peak per channel Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt Total harmonic distortion: < 0.2 % at full power IM distortion: balanced 16 V rms < 0.04 % Slew rate: > 130 V/µsecond Dynamic headroom: > 1.5 dB Interchannel crosstalk: > 80 dB at 1 kHz; > 63 dB at 20 kHz Input sensitivity: 1 V for 28.28 V, THX Reference Level Input impedance: 33 k Ω unbalanced; 66 k Ω balanced S/N ratio: 112 dB, input shorted, IHF A-weighted Damping factor: > 1100 at 20 Hz Voltage: 110V - 120V Dimensions: 17-1/2" w x 7-5/8" h x 20" d, 7" h without feet Net weight: 60 lb. Learn More

Parasound Halo A51 5 Channel Power Amplifier Silver Designed by John Curl Continuous power output: 250 watts RMS 8 Ω 400 watts RMS 4 Ω THX Ultra 2 Dimensions - 17-1/2" w x 7-5/8" h x 20" d, 7" h Weight: 80 lb. Learn More

Parasound HCA-500 High Current Power Amplifier Power output: 50 watts per channel into 8Ω (stereo) Frequency response: 10Hz to 60kHz Total harmonic distortion: 0.25% Damping factor: 100 Signal to noise ratio: 100dB Dimensions: 17-1/4 x 3-3/4 x 11-3/4 inches Weight: 16lbs Learn More

Perreaux Prisma 350 owner's manual: https://mail.google.com/mail/u/0/#search/prism+perreaux?projector=1 Learn More

Plinius 8200P Stereo Power Amplifier Black Very Good Condition Learn More

PS Audio BHK 300 monos excellent with original boxes inquire for trucking pricing. I'ts safer Learn More

Rotel RB-1070 Power Amplifier Power output: 130 watts per channel into 8Ω (stereo), 330 watts into 4Ω (mono) Frequency response: 4Hz to 100kHz Total harmonic distortion: 0.03% Damping factor: 500 Input sensitivity: 1V Signal to noise ratio: 120dB Speaker load impedance: 4Ω (minimum) Dimensions: 430 x 121 x 350mm Weight: 11.9kg Learn More

Rotel RB-1091 Mono Power Amplifier Black Power output: 500 watts into 8Ω (mono) Frequency response: 10Hz to 40kHz Total harmonic distortion: 0.03% Damping factor: 400 Gain: 27.2 dB Input sensitivity: 2.2V Signal to noise ratio: 118dB Dimensions: 432 x 92 x 407mm Weight: 7.8kg Learn More

Rotel RB-951 Power Amplifier Power output: 50 watts per channel into 8Ω (stereo), 150 watts into 8Ω (mono) Frequency response: 15Hz to 100kHz Total harmonic distortion: 0.03% Damping factor: 280 Input sensitivity: 0.775V Signal to noise ratio: 116dB Speaker load impedance: 4Ω (minimum) Dimensions: 440 x 92 x 334mm Weight: 6.8kg Learn More

Rotel RB-970BX Power Amplifier Black Power output: 60 watts per channel into 8Ω (stereo), 180 watts into 8Ω (mono) Frequency response: 15Hz to 100kHz Total harmonic distortion: 0.03% Damping factor: 280 Input sensitivity: 1V Signal to noise ratio: 116dB Speaker load impedance: 4Ω to 16Ω Dimensions: 440 x 92 x 334mm Weight: 6.8kg Learn More

Five channels of amplification, THX certified, 100 watts rms output per channel at 8 Ohms Learn More

Spectral DMA-180 Stereo Power Amplifier Power Output: (continuous) @ 8 ohms - 200 Watts RMS @ 4 ohms - 400 Watts RMS @ 2 ohms - 683 Watts RMS Output Current: 60 Amps peak per channel Frequency Response: ±0.1 dB, DC-150 KHz ±1 dB, DC-1 MHz ±3 dB, DC-1.8 MHz Distortion: Static: Less than 0.015% from DC to 100 KHz Typically 0.009% @ 200 WRMS/8 ohms Dynamic: 8 Tone Cluster Test 20 KHz @ 500 Hz separation; 0.01% 8 ohms; 0.015% 4 ohms Speed: Rise Time: Less than 400 nanoseconds Settling: 1.5 microseconds to -40dB Slew Rate: 600 volts/microsecond Noise: Signal to Noise: 97dB unweighted, 107dB ASA A Crosstalk: 98dB @ full power 8 ohms Input: Impedence: 100K ohms in parallel with 100 pf Sensitivity: 1.5 volts/nominal output Power Supply: Line Voltage: 100 volts, 120 volts, 240 volts (internal wiring) AC Voltage Range: ±10% Maximum Consumption: 1600 Watts Quiescent Consumption: 250 Watts Operating Temp: 0° to 50° Celsius range; 32° to 122° Farenheit Protection Features: DC Protection Servo: 0.5 volt range Current Limit Onset: 40 Amps Thermal Protect Threshold: 85° Celsius, 185° Farenheit AC Main Fuses: 2 @ 4A 3AG slo-blo, for 100 - 120 VAC, 2 @ 2A 3AG slo-blo, for 220 - 240 VAC Fuse Status: LED indicator (2) Size and Weight: Dimensions: 48cm (19")W x 17cm (6 1/4")H x 48cm (19")D Weight: 60 lbs, 27.2 KG Net Learn More

SUMO ANDROMEDA II POWER AMPLIFIER excellent cosmetics Our tech went through this and readjusted dc offset, bias Sumo Andromeda II: Solid-state stereo power amplifier. Rated power output: 240Wpc into 8 ohms (23.8dBW) with less than 0.05% THD, 400Wpc into 4 ohms (23dBW) with less than 0.1% THD, from 20Hz–20kHz. Intermodulation distortion (IMD): 0.05% from 0.25W to full power. Frequency response: ±0.1dB 20Hz–20kHz, –3dB from 0.1Hz–170kHz. Input impedance: 47k ohms. Input sensitivity: 1.8V RMS for rated output. Hum and noise: 110dB below rated power. Rise time: less than 2µs. Slew rate: 115V/µs. Damping factor: greater than 500. Dimensions: 19" W by 7" H by 16.75" D Weight (shipping): 55 lbs. Learn More

SUMO The Nine + Differential Power Amplifier Sumo gives you the real thing. The nine is a pure class A power amplifier that remains class A even when driving 4 Ohm loudspeakers. The Nine's approach to class A is so unique it earned a US patent - an amazing achievement for an audio component. Sumo's exclusive class A engineering provides all the advantages and none of the disadvantages of typical class A designs. The unit features an all aluminium anodized chassis with massive extruded heat sinking and built in whisper fan for efficient heat dissipation. Military grade G-10 glass epoxy printed circuit boards throughout. Power supply incorporating 1.4KW shielded toroidal transformer and 42,000 microfarad computer grade filter capacitors, resulting in supply voltage regulation better than 3%. Learn More

PA1230R Integrated Amplifier At a time when many manufacturers are using microprocessor technology to bury functions below several software layers so you need to have an owners’ manual close at hand if you want to access them, T+A has delivered an amplifier where each function has its own control, properly and clearly labelled, on the front panel. This necessarily means there are quite a few knobs and buttons, but rarely has an amplifier been so easy to use. This is especially the case because the PA1230R is one of the very few amplifiers available that allows you to adjust bass and treble individually for the left and right channels. Learn More

Threshold S200 Power Amp Silver Power output: 100 watts per channel into 8Ω (stereo) Frequency response: 7Hz to 100kHz Total harmonic distortion: 0.1% Gain: 26.6 dB Signal to noise ratio: 100dB Semiconductors: 8 x transistors per channel (output) Dimensions: 8.72 x 19 x 9.125 inches Weight: 44lbs Year: 1984 Learn More

Power output: 100 watts (mono) Frequency response: 20Hz to 20kHz Total harmonic distortion: 3% Signal to noise ratio: 95dB Speaker load impedance: 2Ω to 8Ω Valve complement: 4 x EL34, 2 x 12AT7 Dimensions: 400 x 300 x 180mm Weight: 22kg Learn More

VTL MB-185 Monoblock Power Amplifier Output Power: Tetrode = 230 Watts Triode = 120 Watts T.H.D. 20 Hz - 20 kHz @ 230W: Tetrode = < 2.5% T.H.D. 20 Hz - 20 kHz @ 120W: Triode = < 2.5% Input Sensitivity @ 125 W: 1.7 V Input Impedance: 130,000 Ohms Optimum Load Range: 2 - 8 ohms S/N Ratio @ 125W, tetrode: -110 dB, 120 HZ S/N Ratio @ 60W, triode: -110 dB, 120 Hz Power Consumption: Idle = 180 W Full Power = 600 W Primarv Mains Fuse Rating: 100/120V = 10A Ceramic Slo Blo 220/240V = 5A Ceramic Slo Blo B+ Fuse Rating: 1A ceramic Slo Blo Dimensions - EACH: W = 19 inches (48cm) D = 12 inches (26cm) H = 9 inches (23cm) Weight - EACH: 56 lbs (25Kg) per monoblock {total 65 lbs (30 Kg) packed} Learn More