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LampizatOr- The Horizon DAC Manual
The TOSLINK connection
Is toslink bad or not ? That is the question. Like everything in life - it can be bad or it can
be good.
By using own experiments and oscilloscope observations we concluded, that Toslink is not
bad and not inferior to RCA SPDIF if implemented properly. Toslink is EXTREMELY
demanding about the power supply quality. That's why we build for toslink separate
dedicated power supply and with this supply the response is instantaneous and there is no
deformation of square wave. Usually Toslink ports are installed in cheap low end gear and
the power supply to Toslink is completely neglected. Not in LampizatOr DAC. If you have
Toslink in your DAC you can be sure it will sound good and not degrade the sound. Of
course providing that the transmitter part of the link is at least semi decent.
NOTE: All Apple products which have headphone output (iMac, MacBook, Power MAC,
MAcMini, iPhone, iPad, iPod) - have a secret toslink transmitter hidden inside that port.
Just buy the special cable - Toslink Minijack and when placed in the headphone output of
an Apple product - will emit light with SPDIF in it. That is a very good way of using MAC
computers as transports.
on HDMI
It is important to understand, that HDMI is a special digital connection standard for mainly
TV and Video applications and what is used in audio world IS NOT REAL HDMI, We only
use a convenient plug, socket and cable from HDMI but the information transmission is
completely different and it is called i2S
Our i2S can be balanced or single ended (data transmission, not audio system) and it can
be high level (5V pp) or low lever 0,5 V pp. In addition, pinouts differe between
manufacturers of transports.
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