Power Amplifiers

Reference 210 monophonic tube stage: 210 W per channel (peak 240 W).

-€6,614.00

Power Amplifiers

AUDIO RESEARCH Reference 210T. EXDEMO

€20,056.00 €26,670.00

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...

-€6,251.67

Power Amplifiers

AUDIO RESEARCH Reference GS150. EXDEMO

Audio Research

€18,738.33 €24,990.00

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

-€4,800.00

Power Amplifiers

AUDIO RESEARCH Reference GSPRE. EXDEMO

Audio Research

€13,990.00 €18,790.00

Audio Research Reference GS150. Tube power amplifier. EXDEMO

AUDIO RESEARCH VTM 200. Monophonic power amplifier

On sale!
-€14,100.00

Power Amplifiers

AUDIO RESEARCH VTM 200. USED

Audio Research

€4,900.00 €19,000.00

AUDIO RESEARCH VTM 200. Monophonic power amplifier USED product

-€1,600.00

Power Amplifiers

ELECTROCOMPANIET AW250-R. Refurbished

Electrocompaniet

5044000007

€6,399.00 €7,999.00

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

Rogue Audio Apollo. Monobloc power amplifier

-€8,900.00

Power Amplifiers

ROGUE AUDIO Apollo Reference Monoblocs. USED

Rogue Audio

2313300005

€6,000.00 €14,900.00

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

ANTHEM MDX 16

Very high performance 16-channel power amplifier.

-€1,000.00

Multi-channel AV stages

ANTHEM MDX 16. Refurbished

Anthem

€2,999.00 €3,999.00

Refurbished product. Very high performance 16-channel power amplifier. Power rating 16x60 W at 8 ohms.

-€4,864.00
New

Power Amplifiers

ICON AUDIO MB 805. USED

Icon Audio

€4,000.00 €8,864.00

Monophonic tube power amplifier. 1 x 50W. Valve output: 1 X 805 (EACH CHANNEL) Price per pair Used product (Overhauled and in good working order)

MCINTOSH MC 2205. Power amplifier on offer Audiohum

On sale!
New

Power Amplifiers

MCINTOSH MC 2205. USED

McIntosh

€3,300.00

2-channel solid state power amplifier. USED Product

Power Amplifiers

FOSI AUDIO V3 Mono

Fosi Audio

€149.00

Monoblock amplifier: Ideal for subwoofers or minimalist hi-fi systems. Inputs: Balanced XLR and RCA with selectable gain (25dB/31dB) Texas Instruments TPA3255 chip: Highly efficient and clear sounding PFFB technology: Reduces distortion and improves sound purity Efficient heat dissipation: Maintains optimum performance Auto standby mode: Activates...

Power Amplifiers

ATOLL MA100 Mini Amplifier

Atoll Electronique

8038000013

€500.00

Stereo power amplifier. Power amplifier 2×60 W - 8 Ω 1 RCA input. 1 RCA output External stereo/mono switch Without remote control

Power Amplifiers

PRO-JECT Amp Box S3

ProJect

5024000079

€699.00

Stereo power amplifier with an exceptional price/performance ratio. Ultra-compact - ‘micro’ - dimensions for easy positioning Newly designed printed circuit board topology Advanced amplifier module Executed with audiophile-grade components 2x23 W power into 8 ohms or 2x40 W into 4 ohms 2x50 W peak power into 4 ohms 20-20,000 Hz frequency response...

Power Amplifiers

PRO-JECT Amp Box DS2

ProJect

5024000079

€699.00

DS2 2x100W series power amplifier. Stereo power stage of exceptional quality / price ratio. Power of 2x100 W over 8 ohms or 2x100 W over 4 ohms. High efficiency design with Class D operation

Power Amplifiers

EVERSOLO AMP-F2

Eversolo

€799.00

EverSolo AMP-F2. 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

Power Amplifiers

ADVANCE PARIS BX-1

Advance Paris

€890.00

Smart series power amplifier with 2x105W at 8 ohms. Connectivity: Switchable RCA and XLR inputs, connectors for two pairs of speakers Technology: High Bias for the first watts in class A, changing to class AB Power supply: 480VA toroidal transformer and high capacity capacitors Power: 2x105W at 8Ω, 2x150W at 4Ω Frequency: 10Hz - 50kHz Distortion:...

Power Amplifiers

ATOLL AV100

Atoll Electronique

8038000019

€900.00

High power, superior quality amplifier, designed to deliver exceptional performance in any audio system. 3 channels offering 100W per channel into 8 ohms Includes 2 toroidal transformers and high-capacity capacitors 3 signal inputs and corresponding outputs, with 12V Trigger activation option

Power Amplifiers

ATOLL AM100 Signature

Atoll Electronique

8038000013

€950.00

Power amplifier with superior audio quality and elegant design. Ideal for demanding audiophiles 100W @ 8 Ohm 140W @ 4 Ohm Bridgeable to Mono 300W @ 8 Ohm

Power Amplifiers

AUDIOLAB 8300MB

Audiolab

€1,149.00

Monophonic power amplifier with an exceptional quality / price ratio. Fully double monophonic and balanced architecture Executed with audiophile grade components High current delivery capacity Balanced (XLR) and unbalanced (RCA) inputs Output power of 250 W / 8 ohms, 350 W / 4 ohms and 450 W / 2 ohms 29 dB gain Frequency response of 20-20,000 Hz,...

Power Amplifiers

ATOLL AV500

Atoll Electronique

8038000019

€1,100.00

Multichannel power amplifier 5.0. 85W @ 8 Ohm for 5 channels 100W @ 4 Ohm for 5 channels Bridgeable

Power Amplifiers

ROTEL RB-1552MKII

ROTEL

€1,149.00

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.

Power Amplifiers

NAIM CI-NAP 101

Naim

€1,199.00

High-performance mono power amplifier that is compatible with 70V/100V line matrix loudspeakers. It is designed to be ultra-burning and compact, making it easy to install unobtrusively in almost any configuration. The amplifier is perfect for powering subwoofers or hi-fi integrated speakers that require a lot of power, while delivering exceptional audio...

Power Amplifiers

AUDIOLAB 9000P

Audiolab

€1,499.00

Class AB power amplifier with CFB topology. Modes: Stereo and Mono Power: Up to 380W THD: <0.002% THD: <0.002% THD: <0.002% THD: <0.002 SNR: >112 dB Inputs/Outputs: RCA, XLR, trigger 12 V

Power Amplifiers

ATOLL AM200 EVO

Atoll Electronique

8038000014

€1,400.00

Versatile power amplifier for HIFI systems. 120 W into 8Ω (200 W into 4Ω), configurable as monoblock Construction: Aluminium and steel, dual 340 VA transformers Connections: RCA, 12 V trigger, gold-plated terminals SNR 100 dB, bandwidth 5 Hz-200 kHz

Power Amplifiers

AUDIOLAB 8300XP

Audiolab

€1,699.00

Audiolab's classic stereo power amplifier, with a sound as clean and crisp as its minimalist exterior. Dual mono and balanced architecture Bridgeable in mono Executed with audiophile-grade components High power delivery capability Balanced (XLR) and unbalanced (RCA) inputs 2x140 W continuous output power into 8 ohms or 2x230 W into 4 ohms 480 W...

Power Amplifiers

ADVANCE PARIS X-A160EVO

Advance Paris

€1,490.00

Stereo amplifier with 160 W per channel in class AB Class A mode: first watts in class A, then automatic switching to class AB Design: ultra-rigid and shielded, interference free Components: high current transistors, 700 Watt toroidal transformer Power: 160 W into 8Ω, 240 W into 4Ω Frequency: 10 Hz - 80 kHz Distortion: < 0.07% S/N Ratio: <...

Power Amplifiers

ADVANCE PARIS X-A220 EVO

Advance Paris

€1,690.00

220 W at 8Ω, 350 W at 4Ω mono amplifier. Hi Bias mode: first 55 W in class A, then class AB Components: high-current transistors, 700 W toroidal transformer Frequency: 10 Hz - 80 kHz Distortion: 0.08% S/N Ratio: 100 dB S/N Ratio: 100 dB

Power Amplifiers

ROTEL RB-1582MKII

ROTEL

€1,849.00

High-power stereo stage: 2 x 200 W (8 Ω). Dual mono design, toroidal transformer, 10 transistors per channel RCA and XLR inputs, 12V trigger Response: 10 Hz - 100 kHz, SNR: 116 dB

Power Amplifiers

EVERSOLO AMP-F10

Eversolo

€2,599.00

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

VINCENT AUDIO SP-332

Vincent Audio

€2,299.00

Hybrid stereo power amplifier. 2 x 150 W at 8 Ω. 2 x 250 W at 4 Ω Valves: 2x 6N16, 1x 6N15 Power: 150 W at 8 Ω, 250 W at 4 Ω Connections Input: 1 x Cinch, 1 x XLR, 1 x power control Connections Output: LS terminals for up to 4 loudspeakers, 1x Power Control (3.5mm jack)

Power Amplifiers

LAB 12 Migthy

Lab 12

80500003

€2,310.00

Tube power amplifier. 2 x 10 W. Frequency response: 20Hz - 20.000 Hz (-0.9 dB) 2 x double triode 6N1P 2 x EL34 power pentodes

Power Amplifiers

MUSICAL FIDELITY M6s PRX

Musical Fidelity

€2,799.00

6-series dual mono power amplifier. Very high performance stereo power amplifier Musical Fidelity's exclusive CRPS power supply Balanced and unbalanced inputs 2x230 W RMS output power over 8 ohms High current delivery capability Available in black and silver finish Frequency response from 10-100,000 Hz, +0 dB, -1 dB Signal-to-noise ratio greater...

Power Amplifiers

ANTHEM MCA 225 GEN 2

Anthem

€2,599.00

Very high performance stereo power amplifier. Power of 2x225 W at 8 ohms, 2x400 W at 4 ohms or 2x600 W at 2 ohms Frequency response 20-20,000 Hz, +/-0'1 dB 120 dB signal-to-noise ratio Slew Rate of 30 V/us

Power Amplifiers

PRIMALUNA EVO 100-4

PrimaLuna

€3,290.00

PRIMALUNA EVO 100-4. Poweramp

Showing 1-24 of 127 item(s)

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.

Cookie name	Provider	Purpose	Expiry
cookiesplus	https://audiohum.amarillolimon.dev	Stores your cookie preferences.	1 year
PrestaShop-#	https://audiohum.amarillolimon.dev	This cookie helps keep user sessions open while they are visiting a website, and help them make orders and many more operations such as: cookie add date, selected language, used currency, last product category visited, last seen products, client identification, name, first name, encrypted password, email linked to the account, shopping cart identification.	480 hours

Cookie name	Provider	Purpose	Expiry
collect	Google	It is used to send data to Google Analytics about the visitor's device and its behavior. Track the visitor across devices and marketing channels.	Session
r/collect	Google	It is used to send data to Google Analytics about the visitor's device and its behavior. Track the visitor across devices and marketing channels.	Session
_ga	Google	Registers a unique ID that is used to generate statistical data on how the visitor uses the website.	2 years
_gat	Google	Used by Google Analytics to throttle request rate	1 day
_ga_#	Google	Used by Google Analytics to collect data on the number of times a user has visited the website as well as dates for the first and most recent visit.	2 years
_gd#	Google	This is a Google Analytics Session cookie used to generate statistical data on how you use the website which is removed when you quit your browser.	Session
_gid	Google	Registers a unique ID that is used to generate statistical data on how the visitor uses the website.	1 day