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Pass Labs X600.5 Mono-blocks

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£23,000.00 £11,990.00


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Point 5 Amplifiers

The Point 5 Series represented a highpoint in the evolution of our amplifiers. At the time we introduced our X.5 and XA.5 models, our R&D laboratories had accumulated several significant performance improvements we were eager for our customers to experience.

Two hallmarks of Point 5 Series amplifiers are improved power and control. They possess the dynamic range to do justice to the most advanced recordings, the elegance to retrieve the most sensitive microdynamics loudspeakers offer, and the ability to move easily from total silence to explosive transients without losing information. We achieved these ends through

a number of refinements. For example, we replaced the input differential MOSFETs on our amplifiers with the same JFETs we use for the input devices on our MM and MC phono stages.

The JFETs deliver less noise, higher input impedances, and greater linearity. They operate self-biased within a symmetric quad topology in which each device is cascoded and level-shifted to form the full voltage gain stage of the amplifier. We also added more power-output devices, especially complementary power MOSFETs that provide more current and better power handling

and linearity. In addition, our Point 5 output stages use a heavy bias current for push-pull, Class-A operation to a large portion of the rated power as well as a bias source for single-ended Class-A operation at low wattages. We also installed a newly developed bias generator to eliminate three sources of bias-current variation

in the output stage. The new bias circuit also allows approximately 20 percent greater power output for a given supply voltage. Of critical importance, the Point 5 circuits resulted in lower distortion at all power levels and into all types of loads, particularly in the critical audio midrange.

Brand: Pass Labs

Model Name/Number: X600.5

Price (RRP): £23000

Choice Hifi Price: £11990

Product Information:

Class AB Input Impedance (SE & BAL Kohms) 30/20
Type Mono Damping Factor 200
Gain (dB) 26 Output Noise (uV) 200
Full Pwr @ 26 dB gain (V) 3.46 Power Consumption (Watts) 600
Low Frequency Response 1.5 Hz Temperature (deg C.) 53
High Frequency Response 100 KHz Number of Chassis 1
Power Output/ch (8 ohm) 600 Dimension (W x H x D) (In.) 19 x 11.2 x 22.5
Power Output/ch (4 ohm) 1200 Unit Weight (LBS) 132
Distortion (1 KHz, full power) 1%  

Age: 10

Condition: 9/10

Voltage: 220/240/50Hz

Finish/Colour: Silver

Packaging? N/A

Accessories? N/A

Item Location: In Stock

Status: Second Hand

Dimensions 5708473 cm