Parasound JC 1 + Monopäätevahvistin (450W), hopea

Product number: JC 1+S

Monopäätevahvistin parasta haluavalle. John Curlin suunnittelema; Teho: 450w 8 ohm, 850w 4 ohm, 1300w 2 ohm; XLR (balansoitu)- ja RCA sisään- ja ulostulot; gain valitsin: 23dB (low) tai 29dB (normal); Bias valitisin: Normal tai Low; A ja B (bi-wire) kaiutinlähdöt; Koko: 4U (sis. räkkiraudat); väri: hopea.

HALO JC 1+ (silver) features (Changes from the JC 1 to JC 1+):
– 400 → 450 Watts @ 8Ω
– 800 → 850 Watts @ 4Ω
– 1200 → 1300 Watts @ 2Ω
– Filter capacitance: 132,000 → 198,000 uF
– Transformer capacity: 1.9 → 2.1 kVA
– Output transistors: 18 → 24 Sanken 60Mz devices
– Peak current: 135 → 180 amps
– Weight: 64 → 83 lbs net
– Bybee Music Rails™ active high frequency noise filters
– John Curl driver stage employs a new cascode circuit design
– FR-408 input circuit board material improves HF signal integrity
– Gain switch to select 29 dB or 23 dB of gain
– R-core power transformer for input stage
– Input circuit board is shielded
– Double thickness copper on output/power supply circuit boards
– Gold-plated internal audio signal path connectors
– Custom CHK Infinium speaker binding posts
– Looping Neutrik XLR output for easier bi-amping
– Front panel power indicator LED
– Updated auto turn on circuits with 3.5mm 12V trigger jacks
All Features:
– Circuitry designed by legendary John Curl
– Ultra-high bias Class A/AB operation
– 25 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
– 6 massive 33,000 uF Nichicon Gold Tune filter capacitors for output stage
– 22,400 uF input stage power supply filter capacitors, independent of the main power supply
– 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
– 24 beta-matched 15 ampere, 230V, 60 MHz bipolar output transistors
– 2.1 kVA shielded toroid power transformer with premium H18 grade core
– 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
– 4 rack space chassis with rear carry handles
– Rack mount hardware is included




Product manual