kodulehe valmistamine

Ultra-low distortion
Exclusive AC polarity switch to eliminate hum
Gold-plated RCA input and output jacks
RIAA curve accurate to 0.25 dB
Switchable gain for moving magnet or moving coil cartridges

Compact chassis; 1 rack space high
Fully discrete circuitry with Toroid power transformer
Headphone jack
90 watts bridged into 8 Ω mono
Gold-plated RCA input jacks and looping line output jacks

Balanced and unbalanced outputs
Front panel input select switch
Front panel rumble filter switch
Unique half-rack width chassis; 1 rack space high
MC Gain options of 50 dB or 60 dB unbalanced (56 dB/66 dB balanced)

0.5 watt standby power consumption meets Energy Star & EU specs
Speaker level input for expanding systems w/out pre out jacks
Built in 80Hz low pass filter in bridged mode for driving in-wall/in-ceiling woofers or passive sub(s)
"ZRK" Rack mount kit sold separately
Looping 12 volt trigger output

20 amps peak current per channel
Bridging switch for stereo or mono operation
Gold-plated RCA input jacks
Two pairs of speaker outputs with front panel A/B buttons
2 Ohm stable operation with load selector switch

Rear-mounted lockout switch disables front A/B buttons
Efficient, low heat design
2 Ohm stable operation with load selector switch
Rear-mounted left and right gain controls
Automatic on/off by DC trigger with looping output
 

Burr-Brown 192kHz-24 bit DAC from the Halo P 5
Input level matching (source volume offset)
Phono input for MM or MC cartridges
12dB auto gain for front panel AUX to match levels of other sources
Bass, treble and balance adjustments by remote control

0.5 watt standby power consumption meets Energy Star & EU specs
150 watts x4 @ 4 Ω or 2 Ω
120 watts x4 @ 8 Ω
Separate level controls for all 4 channels
Looping 12 volt trigger outputs

Short circuit and overload protection
Subwoofer mode for driving multiple in-wall subs without the need for an external crossover
Mono mode combines L and R for single speaker applications
350 watts x  2 @ 8  Ω
Left and right input level controls

Input level matching (source volume offset)
Variable and fixed stereo preamp outputs
0.5w standby power consumption meets Energy Star & EU specs
Front panel Aux input with12dB of additional gain
Class D amplification by Pascal

Harris hyper-fast soft-recovery bridge diode rectifiers
Independent power supplies for input stage, driver stage and output stage
Crosstalk (20kHz): 63dB → 70dB
12 beta-matched 15 ampere, 60 MHz bipolar output transistors
2 rack space chassis with rear carry handles

 
An additional optical input (2 total)
Ball bearing supported solid aluminum volume knob
Programable default turn on volume setting
Favorite volume memory with remote control button
Increased phono stage gain for lower output cartridges
Improved Left/Right channel separation and balance tracking
Sand blasted metal end caps replace plastic end caps on the P 5

Circuit board layout by Carl Thompson
Cartridge options for 47k Ω MM and MC/MI
Variable MC impedance adjustment of 50-550 ohms
Gain select for 40 dB/50 dB/60 dB unbalanced (46 dB/56 dB/66 dB balanced)
Balanced and unbalanced outputs
Convenient auto turn-on by 12V trigger
RIAA accurate to within 0.2 dB

275 watts x 2 into 8 Ω (all channels driven),400 watts x 2 into 4 Ω or 2 Ω (all channels driven)
750 watts x 1 bridged into 8 Ω or 4 Ω
45 amps peak current per channel
Two pairs of speaker outputs with front panel A/B buttons
Rear-mounted lockout switch disables front A/B buttons
High pass filter, switchable for 20Hz or 40Hz

Zone 1 (channel 1&2) are higher power for more demanding applications
24 speaker connections (A and B outputs for all 12 channels)
Independent audio sensing triggers, one for each zone
6 Independent 12 volt trigger inputs, one for each zone
Looping 12 volt trigger outputs for each zone
 

160 Watts x 2 @ 8 Ohms (RMS, both channels driven), 240 Watts x 2 @ 4 Ohms (RMS, both channels driven)
Power amp circuit topology designed by legendary John Curl
Direct amplifier input to bypass preamp section
High bias class A/AB operation
Oversized shielded toroid power transformer

250 → 300 Watts (8Ω), 400 → 500 Watts (4Ω), 750 → 1000 Watts (bridged)
Filter cap: 88,000 uF → 108,000 uF
THD (at full power): 0.2% → 0.1%
Crosstalk (20kHz): 63dB → 70dB
Transformer size: 1.2 kVA → 1.3 kVA

Inputs and outputs use Vampire brand 24k gold-plated RCA jacks
Balanced outputs use Neutrik brand premium XLR jacks
MM 47k ohm, MC 47k ohm or MC variable 50-550 Ohms
RIAA accurate within 0.2 dB
Exclusively Vishay-Dale resistors in the audio path
Triple shielding; low-carbon mild steel partitions isolate the power supplies & AC wires

180 watts RMS x 5 @ 8 Ω, 255 watts RMS x 5 @ 4 Ω,

225 watts RMS x 2 @ 8 Ω, 350 watts RMS x 2 @ 4 Ω
Class A/AB circuitry designed by legendary John Curl
Direct coupled - no capacitors or inductors in audio path ensures the cleanest signal

250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms
Adjustable gain for up to +6db over THX Reference level
Unbalanced RCA and balanced XLR inputs
Circuitry designed by legendary John Curl
High bias class A/AB operation
Direct coupled (no capacitors or inductors in signal path)

6 pairs unbalanced RCA line-level audio input jacks
2 input pairs can be switched to XLR balanced connectors
Independent balanced/unbalanced select for the L & R channel
Each channel's input is switched by its own gold-on-silver contact relay
4 output jack pairs with specialized functions:

Circuitry designed by legendary John Curl
THX Ultra2 certified,High bias Class A/AB operation
Balanced inputs with discrete circuits and XLR connectors
Direct Coupled - no capacitors or inductors in signal path
Complementary MOSFET driver stage and JFET input stage

400 watts x 2 @ 8 Ω RMS, both channels driven, 600 watts x 2 @ 4 Ω RMS,

both channels driven,1200 watts x 1@ 8 Ω, in bridged mode
Circuitry designed by legendary John Curl
Ultra-high bias Class A/AB operation
Stable with speaker impedance dips to 1.5 Ω
Balanced inputs with discrete circuits
Vampire gold-plated RCA input & loop output jacks

400 → 450 Watts @ 8Ω,800 → 850 Watts @ 4Ω,1200 → 1300 Watts @ 2Ω
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
Gold-plated internal audio signal path connectors

Front panel LCD function display with dimming
Automatic turn on volume memory
Favorite volume memory with remote control button
2-way RS232 w/ exact volume control & feedback
Discrete commands for all functions,Rename inputs to match connected source