Parasound A23+

Two Channel Stereo Power Amplifier 2 x 160w/ch

€ 3.160,00 Price include 21% VAT Price exclude VAT € 2.611,57

AVAILABILITY: 1 WEEK

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Features

- 160 watts x 2 @ 8 Ω RMS, both channels driven

- 240 watts x 2 @ 4 Ω RMS, both channels driven

- 500 watts x 1 @ 8 Ω, in bridged mode

- Circuitry designed by legendary John Curl

- High bias Class A/AB operation

- 45 amperes peak current per channel

- Stable with speaker impedance dips below 2 Ω

- Balanced inputs with discrete circuits

- Heavy-duty 24k gold-plated 5-way speaker binding posts

- Gold-plated RCA input & loop output jacks

- Direct-coupled signal path, no capacitors or inductors

- DC Servo and relay protection circuits

- AC turn-on inrush surge protection with relay bypass

- JFET input stage, MOSFET driver stage

- 12 beta-matched 15 ampere, 60 MHz bipolar output transistors

- 1.1 kVA shielded toroid transformer w/ independent windings for each channel

- Independent power supplies for input stage, driver stage and output stage

- 54,400 µF filter capacitors for output stages

- Full power is rated all the way down to 5Hz for unrestricted low-end bass

- Harris hyper-fast soft-recovery bridge diode rectifiers

- Automatic turn-on by 12 V trigger or audio sensing

- 2 rack space chassis with rear carry handles

- Rack mount hardware available separately

- Available in silver or black

Specification

Power Output – Stereo Mode (0.06% THD)

- 160 watts x 2, 8 Ω both channels driven

- 240 watts x 2, 4 Ω both channels driven

Power Output – Stereo Mode (0.9% THD)

- 210 watts x 2, 8 Ω both channels driven

- 300 watts x 2, 4 Ω both channels driven

Power Output – Bridged Mode (0.06% THD)

- 500 watts x 1, 8 Ω

- Bridged 4 Ω operation is not recommended

Power Output – Bridged Mode (0.9% THD)

- 600 watts x 1, 8 Ω

- Bridged 4 Ω operation is not recommended

*All Power measurement are at 120 VAC,

- RMS continuous power, full audio band (20 Hz - 20 kHz)

Current Capacity

- 45 amps peak, per channel

Slew Rate

> 130 volts per microsecond

Frequency Response

- 5 Hz - 100 kHz, +0/-3 dB

- 20 Hz - 20 kHz, +0/-0.25 dB

Total Harmonic Distortion (THD)

< 0.06 % at full power

< 0.03 % at typical listening levels

IM Distortion

< 0.04 %

TIM

- Unmeasurable

Inter-channel Crosstalk

> 85 dB at 1 kHz

> 70 dB at 20 kHz

Input Impedance

- Unbalanced: 33 kΩ

- Balanced: 66 kΩ,(33 kΩ per leg)

Total Gain

- 29 dB

Input Sensitivity for 28.28 V Out (8 Ω Load)

- Unbalanced: 1 V

- Balanced: 1 V per leg

S/N Ratio

> 112 dB, input shorted, IHF A-weighted

> 107 dB, input shorted, unweighted

Damping Factor

> 800 at 20 Hz

DC Trigger Requirements

+9 Vdc to +12 Vdc, 5 mA

Audio Trigger Requirements

- 2 mV - 10 mV

XLR Pin Identification

1 = Ground (Shield)

2 = Positive

3 = Negative (Return)

Dimensions

- Width: 17-1/4" (437 mm)

- Depth: 15"-1/4" (388 mm)

- Depth, with cables 17" (432 mm)

- Height, with feet: 4-1/8" (105 mm)

- Height, without feet: 3-1/2" (89 mm), 2U

Net Weight

- 27 lb. (12.2 kg)

Shipping Weight

- 34 lb. (14.4 kg)

Power Requirement

- Standby: <1 Watt

- Idle (no music playing): 75 Watts

- Typical Listening levels: 125 Watts

- Maximum: 800 Watts

- 110-125 VAC 60 Hz or 220-250 VAC 50 Hz

- AC mains voltage is set on rear panel

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Parasound A23+

Two Channel Stereo Power Amplifier 2 x 160w/ch