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Yorkville AP4020 Power Amplifier

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Quick Overview

The powerful AP4020 weigh a comfortable but solid 18.1 kg and occupy only two rack spaces. It delivers 1200 Watts per channel @ 2 Ohms It also incorporates a 'soft turn-on' circuit which eliminates nuisance breaker-tripping on power-up.
This is s superb quality power amplifer. Made in Canada

Availability: In stock

Regular Price: AUD2,669.00

Special Price AUD1,869.00

Yorkville AP4020 Power Amplifier
Delivers 1200 watts per channel at 2 ohms
(2400 watts bridged into 4 ohms)
Proven Ultra Reliable Conventional Designs
Easily Handles Reactive Phase Shifted Loads
Advanced Protection Schemes Including DC Current, Load, Thermal & Breaker Protection
Transparent User-Defeatable Peak Limiter Circuits
Soft Turn-On Circuit Protects Speakers and Prevents Nuisance Breaker Tripping During Power Up
Computer-Optimized Silentfan™ Front-to-Back Heat Dissipation System
Long-Life, Faceplate-Mounted, User Serviceable, Air Intake Filters
Front Panel Power, Protect, Activity and Clip Led's
Speakon™ and Binding Post Outputs
Balanced XLR and ¼-inch TRS Inputs
All-Steel Chassis Construction

AudioPro amplifiers feature advanced protection schemes including DC current, load, thermal and breaker protection as well as a user-defeatable peak limiter that is transparent below clipping levels. A 'soft turn-on' circuit eliminates damage to attached components and prevents nuisance breaker-tripping. The computer-optimized (Silentfan™) front-to-back heat dissipation system incorporates ultra-quiet, variable-speed internal fans and are designed to ensure that excessive thermal stress will not occur. For ease of maintenance and to ensure efficient cooling, the amplifiers are supplied with long-life, faceplate-mounted, user serviceable, air intake filters. Front panel Power, Protect, Activity and Clip LED's are bright and easy to see and all knobs and handles are recessed for safe, easy transportation.

The internal signal path has been optimized and a toroidal transformer is used - both of which serve to reduce hum and noise while keeping weight to a minimum. The two-tier power conversion of the AudioPro AP-Series amplifiers approaches efficiency levels normally associated with switching power supply technology; yet provide the superior transient response and low distortion of the best analog designs. Inside an AP4020 AudioPro amplifier designs, while unique, are conservative with regard to the power handling capabilities of the output devices. To further assure trouble-free operation, all AudioPro amplifiers undergo a thorough computer-monitored, temperature-cycled, burn-in period to test for any deviation from design parameters.

The back panel features Speakon™ and binding post outputs as well as balanced XLR & 1/4" TRS inputs. The peak limiter, subsonic filter, mono/stereo/bridge mode and ground lift switches are also mounted on the back panel. The unique Yorkville Impedance Mode switch (AP1020, AP4K & AP2020), also located on the back panel, allows the user to select full output power into two or four ohms for maximum application flexibility.

Amplifier class H
Continuous Average Power @ 8 Ohms BCD (Watts) 475 (x2)
Continuous Average Power @ 4 Ohms BCD (Watts) 750 (x2)
Continuous Average Power @ 2 Ohms BCD (Watts) 1200 (x2)
Continuous Average Power Bridged BCD (Watts) 2400 @ 4 Ohms
Burst Average Power @ 8 Ohms BCD(Watts) 625 (x2)
Burst Average Power @ 4 Ohms BCD (Watts) 1200 (x2)
Burst Average Power @ 2 Ohms BCD (Watts) 2175 (x2)
Burst Average Power Bridged BCD (Watts) 4350 @ 4 Ohms
Frequency Response (Hz, +/- 1dB) 20-20,000
Hum and Noise (un / Aweighted -dB) 0.971698113207547
THD -1kHz- 4 OHMS 0.0001
THD - 20Hz-20kHz, 4 Ohms less than 0.1%
Slew Rate (V/uS) 25
Slew Rate Bridged (V/uS) 50
Damping Factor (30 Hz - 400 Hz @ 8 Ohms) 600
Crosstalk (1kHz / 20Hz-20kHz) -75 / -60 dB
Input Impedance - Bal/Unbal (Ohms) 20,000/10,000
Input Sensitivity (Vrms) For Full Power Out 1.4 V
Manufacturer Yorkville
Wattage at Ohmage 475w x 2 @ 8 ohms, 750 w x 2 @ 4 ohms, 1200w x 2 @ 2 ohms
Input Types 1/4 Inch Jack, XLR
Output Types Speakon
Rack Mountable Yes
Weight 18.1000
Country of Manufacture

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