The Parasound A 23+ two-channel amplifier provides 160 watts of high current power into 8 ohms, 240 watts into 4ohms and is bridgeable to a mono output of 500 watts! The A 23+ is an ideal amplifier to power high-quality home cinema and two-channel hi-fi systems alike.
Parasound A 23+ Features and Specifications:
Changes from the original A 23→A 23+
- 125 → 160 Watts (8Ω)
- 225 → 240 Watts (4Ω)
- 400 → 500 Watts (bridged)
- Filter cap: 40,000 uF →54,400 uF
- Crosstalk (20kHz): 63dB → 70dB
- Transformer size: 1.0 kVA → 1.1 kVA
- Refined Halo cosmetic with aluminium end caps & gold highlights
- Updated rear panel with heavy-duty speaker terminals from HINT 6
- Upgraded internal gold on gold audio connections
- Updated auto turn-on circuit
Parasound A 23 Plus All 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
- Rackmount hardware is available separately
- Available in silver or black
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