Black Parasound Halo JCM250 Mono Power Amplifier Parasound Halo JCM250 Power Amp Inputs and Outputs Parasound Halo JCM250 Parasound Halo JC Mono Detail view of Parasound Halo JCM250 Mono Power Amplifier rear panel showing inputs and outputs Parasound Power Amplifier,
Black Parasound Halo JCM250 Mono Power Amplifier
Parasound Halo JCM250 Power Amp Inputs and Outputs
Parasound Halo JCM250
Parasound Halo JC Mono
Detail view of Parasound Halo JCM250 Mono Power Amplifier rear panel showing inputs and outputs
Parasound Power Amplifier,
Parasound

Parasound Halo JCM250 Mono Power Amplifier

$7,499.00
$6,000.00
Earn 6000 Rewards Points for this purchase
(You save $1,499.00)
Free shipping to contiguous US
Tax calculated at checkout
Sale Alert



 

Current stock: 0

Parasound Halo JCM250 Mono Power Amplifier Key Features: 

  • 250 Watts @ 8Ω / 450 Watts @ 4Ω
  • Peak current: 100 amps
  • 5 watts of pure Class A power
  • Bybee Music Rails™ - active high frequency filters for input stage
  • New John Curl driver stage employs a cascode circuit for greater open loop bandwidth & superior linearity
  • Direct-coupled signal path, no capacitors or inductors in the audio path
  • Independent power supplies for input stage, driver stage & output stage
  • Full power is rated all the way down to 2Hz for unrestricted low-end bass

Product Description: 

Prepare to be captivated by the Halo JCM250, an uncompromising mono power amplifier that redefines the standards of power and fidelity. With an impressive 250 watts at 8 Ω, soaring up to 800 watts at 2 Ω, this amplifier delivers exceptional audio performance that transcends expectations. Equipped with balanced XLR and unbalanced RCA inputs, it seamlessly integrates with a variety of audio sources, ensuring versatility and convenience.

Experience the pinnacle of sonic precision with its dual-mono design featuring two transformers, offering unparalleled channel separation and accuracy. The direct-coupled design, devoid of capacitors in the signal path, meticulously preserves signal integrity and elevates transparency to new heights.

Discover compact yet unparalleled power and fidelity with the Halo JCM250 mono power amplifier, a masterpiece crafted for the most discerning audiophiles.

All Features:

  • 250 Watts @ 8Ω
  • 450 Watts @ 4Ω
  • 800 Watts @ 2Ω
  • Weight: 42 lbs net
  • Circuitry designed by legendary John Curl
  • Ultra-high bias Class A/AB operation
  • 5 watts of pure Class A power
  • Stable with speaker impedance dips below 1Ω
  • Bybee Music Rails™ - active high frequency filters for input stage
  • New John Curl driver stage employs a cascode circuit for greater open loop bandwidth & superior linearity
  • Gain switch to select 29 dB or 23 dB gain for optimum compatibility with high gain preamps or extremely efficient speakers
  • R-core transformer for input stage suppresses noise on power line
  • Dual CHK Infinium, custom 5-way speaker binding posts for easy bi-wiring
  • Neutrik locking XLR balanced input & loop output jacks
  • Vampire 24k gold-plated RCA input & loop output jacks
  • Direct-coupled signal path, no capacitors or inductors in the audio path
  • JFET input stage, MOSFET driver stage
  • Independent power supplies for input stage, driver stage & output stage
  • Full power is rated all the way down to 2Hz for unrestricted low-end bass
  • Harris hyper-fast soft-recovery bridge diode rectifiers
  • REL & Nichicon Muse capacitors
  • DC servo & relay protection circuits
  • AC turn-on inrush surge protection with relay bypass
  • Automatic turn-on by 12 V trigger or audio sensing
  • 2 rack space chassis with rear carry handles
  • Rack mount hardware is included

Specifications: 

Power Output
  • 250 x1 watts @ 8 Ω
  • 450 x1 watts @ 4 Ω
  • 800 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
  • 8 Watts, bias switch set to high
  • 4 Watts, bias switch set to low

Current Capacity

100 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

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

S/N Ratio, inputs shorted
  • >120 dB, IHF A-weighted, bias set to Low
  • >118 dB, IHF A-weighted, bias set to High
  • >110 dB, Unweighted, bias set to Low
  • >108 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)

Power Requirement
  • Standby: <1 Watt
  • Idle (bias set to low): 125 Watts
  • Idle (bias set to high): 240 Watts
  • Typical Listening levels: 300 Watts
  • Maximum: 800 Watts

Dimensions and Weight: 

Dimensions
  • Height without feet: 3.5" (89 mm) 2U
  • Height with feet: 4.125" (105 mm)
  • Depth: 20" (508 mm)
  • Depth with cables: 21.5" (546 mm)

Net Weight

42 lb. (19.1 kg)

Shipping Weight

50 lb. (22.6 kg)