Parasound Power Amplifiers

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Halo Series

JC 1+ Mono Amplifier

Parasound JC1+ Power Amplifier Front
$12,000.00

JC5 2 Channel 

Parasound JC5 Power Amplifier Front
$8,500.00

A21+ 2 Channel

Parasound A21+ Power Amplifier
$4,500.00

A23+ 2 Channel

Parasound A23+ Power Amplifier
$2,250.00

New Classic

2250 V.2 2 Channel Amplifier 

Parasound 2250 v2 power amplifier
$1,950.00

2125 V.2 2 Channel Amplifier 

Parasound 2125 v2 power amplifier
$1,125.00

275 v.2 2 Channel Amplifier 

Parasound 275 v2 power amplifier
$850.00

Halo by Parasound, Parasound’s premier amplifier line, marks a new standard for sound and style. Every Halo model has earned an unprecedented number of rave reviews from the top critics in the audio / video industry.

Parasound JC1+ mono Amplifier Specifications

Power Output
450 x1 watts @ 8 Ω
850 x1 watts @ 4 Ω
1300 x1 watts @ 2 Ω

Power measurements are with 120 VAC:
0.15% THD, RMS continuous power,
full audio band (20 Hz – 20 kHz)

Class A Power Output
25 Watts, bias switch set to high
10 Watts, bias switch set to low

Current Capacity
180 amps, peak

Slew Rate > 130 volts per microsecond

Frequency Response
2 Hz – 120 kHz, +0/-2 dB
20 Hz – 20 kHz, +0/-0.25 dB

Total Harmonic Distortion (THD)
< 0.15 % at full power
< 0.02 % at typical listening levels

IM Distortion
< 0.03 %

TIM
Unmeasurable

Damping Factor
> 1200 at 20 Hz

Input Impedance
Unbalanced: 50 kΩ
Balanced: 100 kΩ, (50 kΩ per leg)

S/N Ratio, inputs shorted
>122 dB, IHF A-weighted, bias set to Low
>120 dB, IHF A-weighted, bias set to High
>113 dB, Unweighted, bias set to Low
>111 dB, Unweighted, bias set to High

Total Gain
29 dB (Gain switch set to normal)
23 dB (Gain switch set to low)

Input Sensitivity for 28.28 V Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg
(Gain switch set to normal)

DC Trigger Requirements
+9 Vdc to +12 Vdc, 5 mA

Audio Trigger Requirement
2.5 mV – 10 mV

XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)

Dimensions
Height without feet: 7-1/8″ (181 mm)
Height with feet: 7-3/4″ (197 mm)
Depth: 20″ (508 mm)
Depth with cables: 21-1/2″ (546 mm)

Shipping Carton Dimensions
Width: 29-1/2″ (750 mm)
Depth: 27-1/2″ (700 mm)
Height: 15-3/4″ (400 mm)

Net Weight
83 lb. (37.6 kg)

Shipping Weight
107 lb. (48.5 kg)

Power Requirement
Standby: <1 Watt
Idle (bias set to low): 145 Watts
Idle (bias set to high): 275 Watts
Typical Listening levels: 400 Watts
Maximum: 1500 Watts

Halo by Parasound, Parasound’s premier amplifier line, marks a new standard for sound and style. Every Halo model has earned an unprecedented number of rave reviews from the top critics in the audio / video industry.

Parasound JC5 Power Amplifier Specifications

Power Output – Both Channels Driven
400 watts x 2, 8 Ω
600 watts x 2, 4 Ω

Power Output – Bridged Mode
1200 watts x 1, 8 Ω
Bridged 4 Ω operation is not recommended

Power measurement parameters are at 120 VAC:
0.05% THD, RMS continuous power,
full audio band (20 Hz – 20 kHz)

Current Capacity
90 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)
< 0.05 % at full power
< 0.03 % at typical listening levels

IM Distortion
< 0.04 %

TIM
Unmeasurable

Inter-channel Crosstalk
> 87 dB at 1 kHz
> 72 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 Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg

S/N Ratio
> 116 dB, input shorted, IHF A-weighted
> 111 dB, input shorted, unweighted

Damping Factor
1000 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: 17-5⁄8″ (448 mm)
Height without feet: 7-1⁄8″ (181 mm)
Height with feet: 7-3/4″ ” (197 mm)
Depth: 20″ (508 mm)
Depth with cables: 21-1⁄2″ (546 mm)

Net Weight
73 lb. (33.1 kg)

Shipping Weight
90 lb. (40.8 kg)

Power Requirement
Standby: 1 Watt
Idle (no music playing): 225 Watts
Typical listening levels: 400 Watts
Maximum: 1500 Watts

Halo by Parasound, Parasound’s premier amplifier line, marks a new standard for sound and style. Every Halo model has earned an unprecedented number of rave reviews from the top critics in the audio / video industry.

Parasound A21+ Power Amplifier Specifications

Power Output – Stereo Mode (0.1% THD)
300 watts x 2, 8 Ω both channels driven
500 watts x 2, 4 Ω both channels driven

Power Output – Bridged Mode (0.1% THD)
1000 watts x 1, 8 Ω
Bridged 4 Ω operation is not recommended

Power measurement are at 120 VAC:
0.1% THD, RMS continuous power,
full audio band (20 Hz – 20 kHz)

Current Capacity
60 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)
< 0.1 % at full power
< 0.03 % at typical listening levels

IM Distortion
< 0.04 %

TIM
Unmeasurable

Inter-channel Crosstalk
> 80 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 Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg

S/N Ratio
> 115 dB, input shorted, IHF A-weighted
> 110 dB, input shorted, unweighted

Damping Factor
> 1100 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: 17-5/8″ (448 mm)
Height without feet: 7-1/8″ (181 mm)
Height with feet: 7-3/4″ ” (197 mm)
Depth: 20″ (508 mm)
Depth with cables: 21-1/2″ (546 mm)

Net Weight
71 lb. (32.2 kg)

Shipping Weight
88 lb. (39.9 kg)

Power Requirement
Standby: 1 Watt
Idle (no music playing): 160 Watts
Typical Listening levels: 300 Watts
Maximum: 1400 Watts

Halo by Parasound, Parasound’s premier amplifier line, marks a new standard for sound and style. Every Halo model has earned an unprecedented number of rave reviews from the top critics in the audio / video industry.

Parasound A23+ Power Amplifier Specifications

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

Parasound NewClassic is a fresh interpretation of the classic designs that have earned top reviews and customer allegiance for over 25 years. NewClassic models deliver maximum “bang for the buck” performance and reliability.

Parasound New Classic 2250 v.2 2 Channel Amplifier Specifications

All Channels Driven
275 watts x 2, 8Ω
400 watts x 2, 4Ω
400 watts x 2, 2Ω (Load switch set to 2-3Ω)

Bridged Mono
750 watts x 1, 8Ω
750 watts x 1, 4Ω (Load switch set to 2-3Ω)

Current Capacity
45 amps peak per channel

Frequency Response
20 Hz – 50 kHz, +0/-3 dB, 1 watt
Dynamic Headroom – 1.6 dB

Total Harmonic Distortion
0.20% at full rated output
0.015% at average listening levels

IM Distortion – 0.05 %
Transient IM Distortion – Not measurable

S/N Ratio
114 dB at rated output, IHF A-weighted
106 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted

Input Impedance – 33 k Ω

Input Sensitivity 
1 V in for 28.28 V out, THX standard

Inter-Channel Crosstalk
85 dB @1 kHz, 73 dB @10 kHz, 67 dB @ 20kHz
Damping Factor – Over 150 at 20Hz
12V Trigger Turn On – DC 9 – 12V, 15 mA

Audio Turn On
Quieter: 1 mV
Louder: 6 mV

AC Power Requirement
110 – 120 V / 220 -240 V, 50 – 60 Hz
0.5 watts standby
35 watts Idle (no audio)
1000 watts full output

Dimensions
17.25″ Wide
18.5″ Deep, with cables connected
6″ High with feet, 5.25″ panel only (3U)
(437 x 470 x 153mm, 133mm panel only)

Net Weight – 43 lbs (19.5 kg)

Rack Mount Accessory 
May be Purchased Separately: RMK33

Parasound NewClassic is a fresh interpretation of the classic designs that have earned top reviews and customer allegiance for over 25 years. NewClassic models deliver maximum “bang for the buck” performance and reliability.

Parasound New Classic 2125 v.2 2 Channel Amplifier Specifications

All Channels Driven
150 watts x 2, 8Ω
225 watts x 2, 4Ω
225 watts x 2, 2Ω (Load switch set to 2-3Ω)

Bridged Mono
400 watts x 1, 8Ω
400 watts x 1, 4Ω (Load switch set to 2-3Ω)

Current Capacity
35 amps peak per channel

Frequency Response
20 Hz – 50 kHz, +0/-3 dB, 1 watt
Dynamic Headroom – 1.3 dB

Total Harmonic Distortion
0.25% at full rated output
0.015% at average listening levels

IM Distortion – 0.05 %
Transient IM Distortion – Not measurable

S/N Ratio
114 dB at rated output, IHF A-weighted
106 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted

Input Impedance – 33 k Ω

Input Sensitivity 
1 V in for 28.28 V out, THX standard

Inter-Channel Crosstalk
85 dB @1 kHz, 73 dB @10 kHz, 67 dB @ 20kHz
Damping Factor – Over 150 at 20Hz
12V Trigger Turn On – DC 9 – 12V, 15 mA

Audio Turn On
Quieter: 1 mV
Louder: 6 mV

AC Power Requirement
110 – 120 V / 220 -240 V, 50 – 60 Hz
0.5 watts standby
32 watts Idle (no audio)
550 watts full output

Dimensions
171/4″ Wide
16″ Deep, with cables connected
4.25″ High with feet, 3.5″ panel only (2U)
(437 x 406 x 107mm, 88.2 mm panel only)

Net Weight – 27 lbs (12.3 kg)

Rack Mount Accessory 
May be Purchased Separately: RMK22

Parasound NewClassic is a fresh interpretation of the classic designs that have earned top reviews and customer allegiance for over 25 years. NewClassic models deliver maximum “bang for the buck” performance and reliability.

Parasound New Classic 275 v.2 2 Channel Amplifier Specifications

Power Output – (RMS power, 20 Hz – 20 kHz) 
All Channels Driven
90 watts x 2, 8Ω
150 watts x 2, 4Ω
150 watts x 2, 2Ω (Load switch set to 2-3Ω)

Bridged Mono 
200 watts x 1, 8Ω
200 watts x 1, 4Ω (Load switch set to 2-3Ω)

Current Capacity 
20 amps peak per channel

Frequency Response 
20 Hz – 50 kHz, +0/-3 dB, 1 watt

Dynamic Headroom – 1.3 dB

Total Harmonic Distortion 
0.35% at full rated output
0.025% at average listening levels

IM Distortion – 0.05 %

Transient IM Distortion – Not measurable

S/N Ratio
110 dB at rated output, IHF A-weighted
103 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted

Input Impedance – 33 k Ω

Input Sensitivity
800 mV for full rated output (28dB)

Inter-Channel Crosstalk 
80 dB @1 kHz, 72 dB @10 kHz, 65 dB @ 20kHz

Damping Factor – Over 150 at 20Hz

12V Trigger Turn On – DC 9 – 12V, 15 mA

Audio Turn On 
Quieter: 1 mV
Louder: 6 mV

AC Power Requirement 
110 – 120 V / 220 -240 V, 50 – 60 Hz
0.5 watts standby
25 watts Idle (no audio)
350 watts full output

Dimensions 
17-1/4″ Wide
16″ Deep, with cables connected
2-1/2″ High with feet, 1-3/4″ panel only (1U)
(437 x 406 x 63mm, 44.1 mm panel only)

Net Weight – 20 lbs (9.1 kg)

Rack Mount Accessory
May be Purchased Separately
RMK11