Power Amplifiers

Power Amplifiers Audio Research

Power Amplifiers Atoll Electronique

Power Amplifiers Musical Fidelity

Power Amplifiers Monitor Audio

AUDIO RESEARCH Reference 210T. EXDEMO

Audio Research

€16,575.21 €22,041.32

Reference 210 monophonic tube stage: 210 W per channel (peak 240 W). Ultra-wide response: 0.5 Hz - 240 kHz | THD: 0.5% at full power, <0.02% at 1 W Balanced input, outputs for 4, 8 and 16 Ω | Gain: 27 dB Damping factor: 14 | Noise: -106 dB | Max power consumption: 950 W Extremely high-definition sound, with dynamics, clarity and articulate bass...

-€5,166.66

Power Amplifiers

AUDIO RESEARCH Reference GS150. EXDEMO

Audio Research

€15,486.23 €20,652.89

Reference stereo tube stage with 8x KT150 and 6H30 (input). Power: 2x155 W over 4/8 ohms Fully balanced architecture Response: 0.5 Hz - 120 kHz | Slew rate: 13 V/µs | Climb: 2 µs Noise floor: -114 dB | Stored energy: 1.040 joules EXDEMO Product

-€3,966.95

Power Amplifiers

AUDIO RESEARCH Reference GSPRE. EXDEMO

Audio Research

€11,561.98 €15,528.93

Audio Research Reference GS150. Tube power amplifier. EXDEMO

AUDIO RESEARCH VTM 200. Monophonic power amplifier

-€11,900.83

Power Amplifiers

AUDIO RESEARCH VTM 200. USED

Audio Research

€3,801.65 €15,702.48

AUDIO RESEARCH VTM 200. Monophonic power amplifier USED product

-€1,322.31

Power Amplifiers

ELECTROCOMPANIET AW250-R. Refurbished

Electrocompaniet

€5,288.43 €6,610.74

Stereo reference power stage. Monophonic and balanced double circuit topology Executed with audiophile grade components Balanced and unbalanced inputs and outputs Refurbished product

Power Amplifiers

EVERSOLO AMP-F2

Eversolo

€660.33

Class D stereo amplifier. NS600 module, stands out for its high sampling frequency of up to 600 kHz. Power: 280W RMS @ 4Ω / 130W RMS @ 8Ω / 450W bridged @ 2Ω SNR: >110dB (A-weighted) Inputs: RCA and XLR Output: Copper-beryllium posts

Rogue Audio Apollo. Monobloc power amplifier

-€7,355.37

Power Amplifiers

ROGUE AUDIO Apollo Reference Monoblocs. USED

Rogue Audio

2313300005

€4,958.68 €12,314.05

Monobloc power amplifier. Monoblock design for perfect channel separation Oversized power supply Ultra-high performance transformers Integrated bias meter All precision components 6 x KT90 , 2 x 12AU7 , 1 x 12AX7 valves per channel USED Product

Power Amplifiers

EVERSOLO AMP-F10

Eversolo

€2,147.93

Class AB power amplifier. Up to 950 W in bridge mode, 320 W/channel at 4 Ω. Powerful and accurate sound: THD 0.008%, SNR >113 dB, damping factor >600 Symmetrical design with MOSFET transistors and DC filtering for clean, detailed audio Dual independent 1000 W per channel power supply for maximum stability RCA and XLR inputs, versatile...

Power Amplifiers

ROTEL RB-1552MKII

ROTEL

€949.59

Class AB stereo power amplifier, 2 x 120 W (8 Ω), with dual mono design and proprietary toroidal transformer. Balanced XLR and unbalanced RCA inputs, 12 V trigger. Response: 10 Hz - 100 kHz SNR: 120 dB Gain: 26.5 dB (XLR) / 22.5 dB (RCA) Precise, musical and robust: an ideal stage for demanding Hi-Fi systems.

On sale!
New

Power Amplifiers

MCINTOSH MC2500. Used

McIntosh

€3,719.01

Classic McIntosh stereo power amp (legacy product, 1980s). 500 W per channel in stereo / 1,000 W in mono, capable of moving almost any box McIntosh Autoformers for impedance matching (1–8 Ω) with maximum bass control Powerful, stable and very musical sound, still a reference among vintage amplifiers Ultra robust construction: almost 60 kg,...

Power Amplifiers

CAMBRIDGE AUDIO MXW70

Cambridge Audio

€495.04

Compact half-width power amplifier. 2 x 70 W at 8 ohms 2 x 125 W at 4 ohms 250W bridged mono mode at 8 ohms Hypex NCore Class D Amplification RCA and XLR inputs Trigger 12V Compatible with MXN10 and DacMagic 200M

Power Amplifiers

NAD CI PA 4-60

NAD

€701.65

4-channel power amplifier: 4 x 60 W / 2 x 120 W in bridge. DirectDigital™ technology: efficiency and low distortion Compact ⅓ rack format (up to 3 units in 1U) Dynamic automatic power management Ideal for multiroom and professional installations

Consultar disponibilidad

Power Amplifiers

NAD C 268

NAD

€825.62

Stereo power amplifier: 2 x 80 W / 300 W in bridge mode. UcD + PowerDrive™ technology: real control and dynamics XLR and RCA inputs for maximum compatibility Flexible configuration: stereo, mono or bi-amp Clean, powerful and fatigue-free sound

Multi-channel AV stages

NAD CI980

NAD

€1,238.84

Multichannel stage: 8 x 50 W (4 stereo zones). Bridge mode up to 120 W per channel Designed for multiroom and professional installations 2U rack format with Phoenix type connections Efficient, quiet and reliable operation

Consultar disponibilidad

Power Amplifiers

LYNGDORF SDA-2400

Lyngdorf

€2,478.51

Powerful stereo stage: 2x200 W (8Ω) / 2x400 W (4Ω). Advanced digital amplification with low distortion Analog and digital inputs (RCA, XLR, coaxial, optical) Clean, precise sound with great control

PRIMARE A35.2. Stereo Stage with UFPD 2 Amplification (Class D)

In Stock

Power Amplifiers

PRIMARE A35.2

Primare

€2,636.36

Primare A35.2 stereo stage with UFPD 2 (Class D) amplification. Power: 2×200 W/8 Ω · 2×400 W/4 Ω Bridged mono mode: up to 800 W/8 Ω Sound: very fast response, low distortion and great dynamics Connections: balanced XLR and RCA inputs, 12 V trigger and RS232

Multi-channel AV stages

NAD CI16-60 DSP

NAD

€2,685.12

Multichannel stage: 16 x 60 W with bridge option (up to 140 W). HybridDigital UcD amplification (Hypex): stable and efficient Integrated DSP with IP control and zone adjustment 2U rack format for professional installations Ideal for advanced multiroom and home automation projects

Consultar disponibilidad

Hegel P20 | Natural-sounding XLR/RCA preamplifier

In Stock

Power Amplifiers

HEGEL P20

Hegel

€2,723.14

Stereo preamplifier. Natural, open and very detailed sound Great soundstage and excellent spatiality 1 XLR input and 4 RCA inputs Specific input for home theater XLR output, RCA output and fixed Rec Out Hegel RC8 aluminum remote control

Roksan Caspian 4G Power | Euphoria Stage 105W

Power Amplifiers

ROKSAN Caspian 4G Power Amplifier

ROKSAN

€2,892.56

Class AB Euphoria stereo/mono (bridged) stage. 105W/8Ω, 200W/4Ω | 420 W/8Ω, 630 W/4Ω mono RCA/XLR inputs (ideal in balanced chain with Caspian 4G preamp) Oversized supply (toroidal 500 VA, 40,000 µF) Fast, clean and dynamic sound

Power Amplifiers

NAD M23 V2

NAD

€3,718.18

Stereo stage: 2 x 200 W (8Ω) / 2 x 380 W (4Ω). Up to 700 W in bridge mode Purifi Eigentakt™ 2nd generation technology Virtually zero distortion and noise XLR and RCA inputs + 12V trigger

Hegel H20 | Dual Mono 2x200W Stage with Absolute Control

In Stock

Power Amplifiers

HEGEL H20

Hegel

€4,954.55

Dual mono stereo power amp. 2 x 200 W at 8 ohms High current design with great control SoundEngine technology RCA and XLR inputs Powerful, natural and very precise sound Firm bass and excellent dynamics Robust construction with aluminum front

On sale!
New

Power Amplifiers

MCINTOSH MC2500 + C2700. Used

McIntosh

€8,673.55

Set formed by: MC2500: 2×500 W/8Ω vintage stage (or 1,000 W mono), with autoformers; very robust (~58.5 kg) and fans. C2700: Tube pre with MM+MC phono and DA2 DAC (USB up to DSD512 + HDMI ARC + coax/optics); many inputs and functions (HXD, tones, HT pass-through). Used products. In perfect condition of use and aesthetics Mcintosh MC2500 does not...

Hegel H30A | Stage Reference Mono/stereo 1100W

In Stock

Power Amplifiers

HEGEL H30A

Hegel

€14,871.90

Mono/stereo reference power stage. Over 1100W into 8 ohms in mono Stable with 1 ohm loads FET and SoundEngine technology Massive current delivery and great control Powerful, natural and very refined sound RCA, XLR and 12 V trigger inputs

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A power amplifier is a Hi-Fi electronic device that receives a low-level electrical signal from a preamplifier and amplifies it to deliver a power large enough to drive a pair of speakers at the required volume and quality.

Contact us to choose the best power amplifier for your sound system.

Guide to Buying a Power Amplifier

What is a Power Amplifier?

A power amplifier is an audio amplifier designed to increase the level of a signal by intensifying the input signal. This is achieved using bias currents in the output transistor. They operate with direct current and usually have an internal cooling system.

History of Power Amplifiers

The origin of power amplifiers dates back to 1912 when Lee de Forest invented the vacuum tube triode, a three-terminal device that revolutionized audio amplification and enabled the development of AM radio. By the late 1960s, transistor-based amplifiers became popular due to their lower cost and greater accessibility.

During the 1970s, solid-state amplifiers, such as those based on BJT and MOSFET technology, became the norm due to their lower weight, reduced technical issues, and lower maintenance requirements compared to tube amplifiers. In 1974, Jun-Ichi in Japan improved the MOSFET design, leading to the creation of LDMOS in 1977, which was used in public address and music systems. Finally, in the 1980s, Class D amplifiers emerged, optimizing the efficiency of power stages.

Today, despite technological advancements, tube amplifiers remain appreciated by audiophiles and sound professionals due to their warm audio quality.

Types of Power Amplifiers

There are various types of power amplifiers, each with specific characteristics:

Class A: The output current flows through a single transistor, resulting in high fidelity but lower efficiency and greater heat generation.

Class B: Operates with two half-cycles; one transistor amplifies one half-cycle, while another handles the second. It is more efficient than Class A but may introduce signal distortion.

Class AB: Similar to Class B but with a small common current in both half-cycles to reduce distortion.

Class C: Its output covers less than half a cycle, using a circuit of capacitors and coils to compensate for the signal. It is highly efficient but generates significant distortion, making it suitable for radio frequency applications.

Class D: Uses modulation to operate in saturation and cutoff mode, reducing energy loss and improving efficiency.

Class G: Incorporates multiple voltage lines that activate according to demand, optimizing power consumption.

BJT and MOSFET: Transistor-based technologies. BJTs were the first to emerge, while MOSFETs offer greater efficiency and lower heat generation.

What to Consider When Buying a Power Amplifier?

When choosing a power amplifier, it is important to consider the following factors:

Output Power: Measured in watts (W), it must be compatible with the speakers and sound system.

Impedance: It should match the speaker impedance to avoid efficiency losses or equipment damage.

Amplification Type: Depending on the use, Class A (high fidelity), Class D (efficiency), or Class AB (a balance between both) may be preferable.

Connectivity: Check the input and output connections to ensure compatibility with other equipment.

Cooling System: Some power amplifiers generate significant heat, so it is important to consider the ventilation system.

Intended Use: Needs may vary depending on whether it is for professional use (concerts, public address) or domestic use (home theater, recording studio).

Buying the right power amplifier depends on the intended use, required power, and the type of amplification that best suits the user's needs. By understanding the different types and their characteristics, an informed decision can be made to ensure optimal performance and sound quality.

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Power Amplifiers

Power Amplifiers Rogue Audio

Power Amplifiers Audio Research

Power Amplifiers Krell

Power Amplifiers Atoll Electronique

Power Amplifiers PILIUM Audio

Power Amplifiers Musical Fidelity

Power Amplifiers Monitor Audio

Power Amplifiers Anthem

Power Amplifiers ROTEL

AUDIO RESEARCH Reference 210T. EXDEMO

AUDIO RESEARCH Reference GS150. EXDEMO

AUDIO RESEARCH Reference GSPRE. EXDEMO

AUDIO RESEARCH VTM 200. USED

ELECTROCOMPANIET AW250-R. Refurbished

EVERSOLO AMP-F2

ROGUE AUDIO Apollo Reference Monoblocs. USED

EVERSOLO AMP-F10

ROTEL RB-1552MKII

MCINTOSH MC2500. Used

CAMBRIDGE AUDIO MXW70

NAD CI PA 4-60

NAD C 268

NAD CI980

LYNGDORF SDA-2400

PRIMARE A35.2

NAD CI16-60 DSP

HEGEL P20

ROKSAN Caspian 4G Power Amplifier

NAD M23 V2

HEGEL H20

MCINTOSH MC2500 + C2700. Used

HEGEL H30A

Guide to Buying a Power Amplifier

What is a Power Amplifier?

History of Power Amplifiers

Types of Power Amplifiers

What to Consider When Buying a Power Amplifier?