KX-5 Twenty
QA-9 Pro
KX-8 Variable Gain Preamplifier
VX-8 Power Amplifier
CX-8 CD Player
QB-9 USB DAC
V-5xe
K-5xeMP
C-5xeMP
D-1xe
K-1xe
KX-5 Twenty
Arguably the most important component in your system, the KX-5 delivers all of the performance and flexibility you have come to expect from an Ayre product.
Following in the legendary footsteps of the KX-R preamplifier, the Ayre KX-5 lives up to the challenge with dynamics powered by our Diamond output stage and a finesse achieved by eliminating the traditional attenuating volume control with our 46 position Variable Gain Transimpedance (VGT) amplification circuit. Featuring six programmable inputs and our unique Equilock gain stage, the KX-5 will draw you in with its enchanting musicality and drop your jaw with its endless depth of stage.
Ayre’s Diamond output stage
Variable Gain Transimpedance (VGT) volume circuit
Ayre’s exclusive Equilock circuit
46 step volume control, each of 1.5 dB
Linear analog power supply
zero-feedback and fully-balanced discrete circuitry
High-speed circuit board material
Input ground switching for true source isolation
Six inputs: four balanced, two single-ended
Ayre Conditioner power line RFI filter
AyreLink communication system
Maximum Input Level
8 V rms – unbalanced inputs
16 V rms – balanced inputs
Gain
Gain Variable to match the required output level of the system without the need for attenuation.
Input Impedance
1 MΩ unbalanced inputs
2 MΩ balanced inputs (1 MΩ per phase)
XLR Input Polarity
Pin 1 = Ground
Pin 2 = Non-inverting (Positive)
Pin 3 = Inverting (Negative)
Frequency Response
DC – 250 kHz
Power Consumption
40 watts in operating mode
60 watts in operating mode (volume control active)
Dimensions
17.25″ W x 13.25″ D x 3.75″ H
(44cm x 34cm x 10cm)
Weight
23 pounds (10.5 kg)
KX-5 Twenty Manual
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…the KX-5 -- it performed flawlessly, exhibited outstanding sound quality, and proved to be the quietest preamplifier I have ever heard in my system. 