Mal Valve
HighEndHifi
D. Mallach
Towersgarten 11
45239 Essen
Germany

Tel +49-(0)201-408084
Email: info@malvalve.de


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DAC three Mk 6

Digital-analog Converter 192 kHz 24 Bit with completely balanced tube stages

 
Preamp Four Line
 

Design * Construction


. 32 kHz - 192 kHz digital input, 16 - 24 Bit
. integrated clock rate converting to 192 kHz - 24 Bit
. DAC-integrator stage and DAC-output stage in full tube technique
. completely balanced analog signal processing
· tube-class A-operation
· digital and analog transformer-coupling
. modular technique for design and control
· galvanic isolation by transformer-coupling
· equivalent balanced-unbalanced outputs by transformer technique
. all switch actions relay-controlled
. internal switch mode power supply for all operation voltages
· on / off muting


Front panel rotary switches

· front panel rotary switch balanced-unbalanced-unbalanced-optical
· front panel rotary switch (analog-) filter 6dB/off for low pass
· front panel rotary switch phase 0 ° - 180 °
· front panel rotary switch (digital-) filter sharp - soft
· front panel rotary switch on for on / off

LED-displays

· front right



· front left


red/green    
yellow center
red left 

red left  
red center
red right  


operation display
digital filter
display for input signal

48 kHz input signal
96 kHz input signal
192 kHz input signal



 
Preamp Four Line in
 




Features

· Burr-Brown-interface-receiver
· Burr-Brown-upsampler
· Burr-Brown-digital filter
· Burr-Brown-DAC-switch
· 4 x digital transformer
· 3 x digital cartridge modules
· 3 x analog cartridges modules
· 2 x digital-analog transformer with MU-metal-shielding
· 4 x EF 184-tubes
· 6 x ECC88-tubes
· 2 x output transformer with MU-metal-shielding
· internal switch mode power supply 150 VA
· power cable (2 m)


DAC3-hinten

Connectors

· gold-plated cinch sockets
· gold-plated BNC-socket
· gold-plated XLR-sockets
· Toslink-socket
· AC power connector

Rear panel switches

· toggle switches for balanced or unbalanced analog outpunt

Connections * Data

· digital balanced input
· digital unbalanced inputs
· optical input
· wave impedance balanced
· wave impedance unbalanced
· digital unbalanced output
· balanced analog output
· unbalanced analog output
· output impedance    
.·output voltage
· total harmonic distortion (THD)
· power supply
· power input
· standby   



XLR
Cinch + BNC
Toslink
110 Ohm
75 Ohm
Cinch
XLR
Cinch
< 100 Ohm
2 V (RMS).
< 0,1 %
90 - 250 VAC, 50 - 60 Hz
80 Watt
0,3 Watt

Housing

· 15 mm massive aluminum front plate brushed and black or natural anaodized
· massive aluminum housing brushed and black or natural anaodized
· brass rotary knobs and brass product badge high glass finished and chrome plated

 
· dimensions:
· weight:
483 mm (W) x 315 mm (D) x 100 mm (H)
12 Kg