Power Amplifiers

NAP 300 Power Amplifier And 300 Power Supply: Analogue Inputs: (2) XLR Input Impedance: 18k Ohms Speaker Outputs: (2) L & R, 4mm "banana" sockets Power output: Continuous, 8 Ohms: 90 Watts per channel Transient: 500VA Quiescent Consumption: 27VA Voltage Gain: +29dB Frequency response: -3dB @ 2Hz and 70kH Minimum Load Impedance: 2 Ohms Mains supply: 100-120V or 220-240V, 50/60Hz Dimensions (H x W x D): NAP 300 and the NAP 300PS - 87 x 432 x 314mm Shipping Specs for the NAP 300 Stereo Power Amplifier: Dimensions: 23” D x 19” W x 9” H Weight: 28 lb Shipping Specs for the NA PS300 Power Supply: Dimensions:23” D x 19” W x 9” H Weight: 39 lb Learn More

Nakamichi PA-1 Five-Channel Power Amp 5 channel amp at 100W per channel Uses either bare wire or banana connections to speakers RCA inputs for front (L/R), center (mono) and rear (L/R) Remote power on/off control 1/8" input and output Uses standard IEC power cable Dimensions: 17" x 16.5" x 8.5 Weight 48lbs Made In Japan Learn More

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

Niles SI-1230 Multi Channel Power Amplifier- 12 Channels bench tested 5/18 30 watts RMS per channel into 8 Ohms, all channels driven 42 watts RMS per channel into 4 Ohms, all channels driven Adjacent channels are bridgeable to 80 watts RMS into 8 Ohms, all channels driven Three turn-on modes: music sense, voltage trigger and manual Binding posts spaced to accommodate dual banana plugs Item Weight 34.8 pounds Learn More

Niles SI-1260 Multi Channel Power amplifier 12-channel amplifier power output (20-20,000 Hz at 0.06% THD, all channels driven): 60 watts RMS per channel at 8 ohms 80 watts RMS per channel at 4 ohms adjacent channels are bridgeable to 120 watts RMS into 8 ohms unique BusMatrix™ selector allows four configurable options for each channel: left bus, right bus, left plus right bus (mono), or the channel's dedicated input 6 independent turn-on circuits for multi-room audio applications 3 turn-on modes: automatic signal-sensing, voltage trigger, and manual voltage trigger input accepts 3-30V AC/DC binding posts spaced to accommodate dual banana plugs independent level controls for each channel cascade outputs for "daisy-chaining" additional amplifiers independent protection circuits for each channel removable AC power cord weight: 70 lbs. 17"W x 7-3/8"H x 18-1/2"D 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

Parasound JC1 inquire with postal code for freight price for each to ship Learn More

Specifications: Power Output Unbridged 6 x 120Wrms continuous, driven into 8Ω from 20Hz to 20kHz at no more than 0.015% Total Harmonic Distortion 160Wrms per channel into 4Ω Bridged 3 x 275Wrms continuous, driven into 8Ω from 20Hz to 20kHz at no more than 0.04% Total Harmonic Distortion Frequency Response ........................................................................................20Hz-20kHz ±0.75dB .....................................................................................................................-3dB @ 6Hz and 120kHz Total Harmonic Distortion (unbridged) Rated power ..............................................................................................................0.005% @ 1kHz Worst case prior to clipping...................................................................................................... 0.04% Dynamic Headroom...................................................................................................................2.5dB Damping Factor............................................................................................................. 600 @ 100Hz ......................................................................................................................................... 400 @ 1kHz Noise (inputs shorted, A weighted)............................................................................................. -97dB Input Sensitivity .......................................................................................................................1.0Vrms Input Impedance ........................................................................................................................ 47kΩ Dimensions Width...........................................................................................................................440mm (17.5”) Height............................................................................................................................177mm (7.0”) Depth...........................................................................................................................430mm (17.0”) Weight..........................................................................................................................20.0kg (44.0lb) Learn More

Perreaux PMF5150B Learn More

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

Pioneer Series 20 M-22 Learn More

Plinius 8200P MKII stereo amplifier (4 available) Learn More

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

Plinius Odeon 7 channel in 10/22 with original crate please inquire for a freight quote replaced low voltage regulator capacitors on each channel 10/22 large filter caps are all good. Learn More

Proceed Amp3 Learn More

PS Audio 200C (3 available) we need to service/upgrade these before shipping Learn More

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

PS Audio Delta 100 Learn More

one owner, with remote The GCC-100 is a stereo, 100 watt per channel Control Amplifier that produces 200 watt per channel into 4 Ohms and drives speaker loads as low as 1.5 Ohms. It has a damping factor that exceeds 1000 and is capable of driving any moderate loudspeaker to live orchestral crescendo levels. The GCC-100 has an input impedance of 47K Ohms, and features 4 RCA and 1 XLR balanced input and an auxilliary output to drive another amplifier or a subwoofer. It can be remotely turned on/off with a simple 12 volt trigger or the supplied remote control, is a fully balanced amplifier with noise levels low enough that you’ll have to place your ear next to the tweeter to even hear if it’s working. The GCC-100 is a perfect music center for the most discerning stereo system and has the best midrange and top end of any of the three models (although they're all great) Learn More

Quicksilver Mono 100 unused since 2014 pair http://quicksilveraudio.com/wp-content/uploads/2017/07/Mono100Manual.pdf in 11/21 Learn More

Red Rose M1 by Mark Levinson Hook up with your favorite surround processor or used to biamp. Low shipping rates to the world. 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-1582 200 watts/channel 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

Rotel RB-985 Five channels of amplification, THX certified, 100 watts rms output per channel at 8 Ohms, Frequency response 10 Hz - 80 kHz plus or minus 0.5 dB, harmonic distortion less than 0.03%, input impedance 27 kOhm, damping factor 180, size 5 1/2"H x 17 3/8"W x 15 5/8"D, weight 34 pounds Each of the five amplifier channel boards has had their capacitors changed for as new sound quality and reliability. Learn More

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

Rotel RMB-1066 in 1/23 tested good Learn More

Rotel RMB-1506 6 Channel Amplifier Black 2 Available Power output: 50 watts per channel into 8Ω (6 channels) Frequency response: 10Hz to 100kHz Total harmonic distortion: 0.03% Damping factor: 200 Gain: 26 dB Input sensitivity: 1V Signal to noise ratio: 115dB Speaker load impedance: 4Ω (minimum) Dimensions: 431 x 144 x 424mm Weight: 15.3kg Learn More

Rotel RMB-1512 in 2023 tested $3000 retail Product highlights: 100 watts per channel into 8 ohms (20-20,000 Hz) at 0.03% THD with all channels driven 200 watts per channel into 4 ohms input linking, input mono switch and signal output link for system configuration flexibility Class D design with thermal and overcurrent protection circuitry frequency response: 10-40,000 Hz (±1dB) signal-to-noise ratio: 109 dB detachable power cord Connections: stereo RCA link input and output for daisy-chaining multiple amplifiers or other components six zone buses, each including: one unbalanced stereo RCA input pair four-pin Euroblock connector input source switch (mono summing in zones 1 and 2 only) left and right 5-way binding post terminals 3.5mm 12-volt trigger in/out with signal sensing switch Learn More

Specifications Specification Value Shipping Weight 55 lbs (25kg) each Number Of Channels 12 Power Output All Channels Driven 50 watts RMS per channel (x 12) @ 8 ohms 75 watts RMS per channel (x 12) @ 4 ohms Power Output (Bridged) 100 watts per channel (x 6) @ 8 ohms Dynamic Headroom +1.9dB (x 12) @ 8 ohms +1.8dB (x 12) @ 4 ohms ±3.5 dB (x 6) @8 ohms (bridged) Total Harmonic Distortion <0.03% (20Hz-20kHz @ 8 ohms 50 watts) <0.06% (20Hz-20kHz @ 4 ohms 75 watts) <0.01% (1kHz @ 8 ohms 50 watts) <0.01% (1kHz @ 4 ohms; 75 watts) Signal To Noise Ratio 100dB below rated output (A-weighted) Input Sensitivity 700mV for 50 watts RMS @ 8 ohms Input Impedance 20k ohms Power Consumption 1800 watts maximum (4 ohms, full power) 10 watts idle (no signal) AC Fuse 10A (T10AH ~ 250V) Heat Output 2868 BTU/HR (full power) Available Options Rackmount version Dimensions With Feet (WxHxD) 16 3/4" x 9 1/2" x 16 1/2" (425mm x 241mm x 420mm) Rack Space Requirement 5U RMF Dimensions No Feet (WxHxD) Learn More

Sonic Frontiers Power 1 , just serviced Learn More

Sony TAN9000ES Two available...., Price is for each. Tested, no DC offset, works well Product Information The Sony TA-N9000ES amplifier provides over 115 watts RMS per channel for powerful and efficient audio quality. With a copper-plated chasis, this Sony amplifier is very durable and rugged. Although being rugged, this Sony 5 channel amplifier has a smooth faceplate with great controls. While providing so much power, the Sony TA-N9000ES has ample heatsinking capability that keeps it cool throughout its operation. To protect the power supply, this Sony 5 channel amplifier has a copper shield. The five amplifiers come with special output transistors that decrease the resonance of the unit. Moreover, this Sony amplifier has a short-signal, single-point earthing system that reduces distortion and simplifies the PWB design. Product Identifiers Brand Sony Model TA-N9000ES MPN TA-N9000ES Key Features Frequency Response 20 Hz - 20 kHz Number Of Channels 5 Tech Details RMS Power per channel at 4 ohms 115 Watt RMS Power per channel at 8 ohms 115 Watt THD (Total Harmonic Distortion) 0.01 % Remote Control Without Remote Control Bridgeable Bridgeable Learn More

Speakercraft BB1265 multi channel power amplifier 12 channel power amp weight 71 pounds Learn More

Speakercraft BB865 multi channel power amplifier features: - 65 Watts per Channel RMS @ .05% THD ±3dB - 4U High - Independent level controls for each channel - Each channel can be assigned to a common left, common right, mono, or a dedicated input - Adjoining channels are bridgeable - Remote power-on switching via Signal Sensing or 3-30V Trigger - Separate protection circuitry for each channel - 12V control output for switching auxiliary devices on and off - Pass through output allows daisy-chaining of multiple amplifiers - 5-way Binding Posts Specifications: Weight: 60 lbs. Standard Model Dimensions (H x W x D): 6 15/16"(+½" for feet) x 17" x 17 7/16"** (176.225mm x 431.8mm x 442.925mm) 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

Spectral DMA250, used factory carton, I can voltage convert prior to shipping. INQUIRE IF STILL AVAILABLE BEFORE PURCHASING. http://www.spectralaudio.com/dma-250.htm SPECIFICATIONS DMA-250 Stereo Power Amplifier Power Output: (continuous) @ 8 ohms - 200 Watts RMS @ 4 ohms - 350 Watts RMS @ 2 ohms - 570 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 (factory set) 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: 60 Amps Thermal Threshold: Protects at 85° Celsius, 185° Farenheit AC Main Fuses: 2 @ 2-1/2A 3 AG slo-blo, for 100 - 120 VAC 2 @ 1-1/4A 3AG slo-blo, for 220-240 VAC Size and Weight: Dimensions: 48.22cm (19")W x 18.4cm (7 1/4")H x 45.8cm (18")D Weight: 62 lbs, 28.1 KG Net Learn More

Almost no use, this is the top of the line Stax headphone amplifier in the original double box The SRM-T8000 is STAX new designed top-of-the-line driver unit. For the first time in STAX driver unit history, the large-sized toroidal transformer and non-magnetic aluminum chassis have been adopted for unclouded clear tone quality! A newly developed large-sized aluminum insulator, combined with new material of high isolation efficiency and grip power, make this flagship designed SRM-T8000 a top performer. Features: • The full-balanced transmission of hybrid amplifier configuration with 6922 dual triode tube of established reputation for the first stage and class-A operating semiconductor at output stage realized ultra low-noise, accurate and rich musical expression. • The vacuum tube of the first stage was mounted on the independent board in order to shut out vibration and external noise. Further, noise has been totally eliminated by vibration-proofing damper and vacuum tube shield cover which are used also for a hard disk etc. • The large-sized toroidal transformer - for the first time in STAX driver unit history - as well as non-magnetic aluminum chassis has been adopted for unclouded clear tone quality. • Four pairs of inputs are equipped. (Notes: LINE4 is an optional slot for future purpose. As for now, release is not yet determined.) • The SRM-T8000 features the EXTERNAL (BYPASS) function which passes the volume controller of the unit and enables volume control through external equipments. • The newly developed large-sized aluminum insulator, combined with new material of high isolation efficiency and grip power, has been employed. Specifications: Frequency response: 1Hz - 115kHz / when used with one earspeaker Rated input level: 100mV (at 100V output) Maximum input level: 30Vrms. / at minimum volume Gain: 60dB Harmonic distortion: 0.01% or less / 1kHz / when used with one earspeaker Input impedance: 50kO / 50kOx 2 (XLR input) Maximum output voltage: 470Vrms Mains voltage: AC120V, 50/60Hz Power consumption: 58W (95W with optional slot) Operating temperature: 0 to 35 degrees C (less than 90% humidi- ty, non condensing) Dimension: 320 (W) x103 (H) x395 (D) mm (protruding portion included) Weight: 7.3kg 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

Sunfire Cinemagrand Signature 400, new capacitors in the power supply Learn More

Swiss Physics 6a amplifier and 5 preamplifier package. This company was founded by the engineers from goldmund rarely available. spectacular sounding Learn More