SOLARIS (LUMINARE ) – MOD 2020, GAIN PRE-SELECTION

SOLARIS (LUMINARE ) – MOD 2020, GAIN PRE-SELECTION

MOD 2020 für SOLARIS / Thema PRE GAIN SELCTION …
wir haben den Verstärkungsbereich des SOLARIS erweitert – um 2 weitere Stellungen auf nummehr insgesamt 4 Varianten. Bekannt ist OTL und plus 15 dB für STAX Pegel, hinzu gekommen ist eine Absenkung auf – 10 und – 15 dB um die Gesamtlautstärke und den Geräusch – Teppich ( im OTL – Mode ) abzusenken, um auch niederohmige Kopfhörer in OTL geniesen zu können.
MOD 2020 for SOLARIS / PRE GAIN SELECTION …
we have expanded the SOLARIS GAIN range – by 2 additional positions to a total of 4 variants. You know OTL and plus 15 dB for STAX level, added a reduction to – 10 and – 15 dB to lower the overall volume and the noise of the back ground.
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SOLARIS update – 2020
( PRE GAIN SELECTION )
What is the purpose of this modification?
Implementation of a technical supplement (MOD) for the purpose of lowering the basic
amplification of the amplifier with the result of a better adaptation of very low-impedance
headphones to use and enjoy in OTL mode.
Reason: It has been shown in the past that despite mismatching of very low-impedance headphones,
OTL mode is often used, despite the restrictions of an audible carpet of noise and a very restricted
adjustability of the volume. So far we have always advised against this so as not to overload the
tubes. But it does not harm the tubes and does not shorten their lifespan.
In order to enjoy OTL even on very low-impedance headphones, it is necessary to reduce the GAIN
of the amplifier, also so that a good setting range on the volume potentiometer is possible,
especially the background noise that the amplifier produces itself.
The present MOD should take this into account and the enjoyment o.a. Make headphones available
in OTL without any restrictions.
In the versions from 2020, the GAIN switch on the SOLARIS will therefore be expanded by 2
further switch positions to the left, with which the GAIN can be reduced, gradually to 50% or 25%
of the standard OTL gain.
So we have now complied with this user request and expanded the GAIN setting by the rotary
switch by 2 positions to the left.
So far, the GAIN switch had only a 0 dB position (that was the 30-fold gain for standard OTL use)
and turned to the right, a further increase in gain for STAX headphones by +12 dB (approx. 3 x as
much).
The SOLARIS from 2020 then have this rotary switch with 2 further positions – a total of 4
positions – to take the wishes of the users into account in every conceivable way.
The GAIN is then set as follows:
rotated from left to right:
-15dB -10dB 0dB + 10 dB,
or in other words, related to OTL:
25% 50% 100% 300%
The measure has already been tested on various products and is therefore ready to be launched on
the market available now. Retrofitting is also possible – if necessary for a small reimbursement of
expenses.
Helmut Becker
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