The Phoenix SB - Product Sheet

The Phoenix SB - Product Sheet
THERMIONIC CULTURE LTD
SIMPLY THE FINEST OUTBOARD EQUIPMENT
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THE PHOENIX SB
KEY FEATURES
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All valve signal path and side chain, point to point hand wired in England.
Subtle control with “soft knee” compression, but more compression effects when pushed hard.
Continuously variable attack, release and threshold controls.
Stereo link for mix buss compression.
Side chain filters to enable compression of all frequencies except bass.
Flat frequency response over full audio range and beyond.
Very low phase shift and harmonic distortion (unless pushed hard).
Push-pull design gives a natural warm sound with high output level.
Output trim controls for fine adjustment or lower level operation.
Balanced ins and outs with custom made Sowter transformers.
Bypass switch on each channel removes all electronics.
Standby switch to prolong valve life.
Distortion effects can be created with Standby on.
The Phoenix SB is now the standard production version of the Phoenix compressor. Alongside the now classic circuit design of
the original Phoenix, it incorporates the sidechain filter controls from the previous standard Phoenix SC model with the new
addition of an HT standby switch.
The additional HT Standby switch allows the user to put the Phoenix into a low power standby mode that is designed to increase
the life of the unit’s valves and capacitors. When first switching on, or if the unit’s not in use for a while, have the Standby on.
Switch off Standby and it will instantly come back to full life.
We have also placed the meter zero controls on the front panel for much easier access. Both meters should read “0” when the
Phoenix is off standby and not compressing. They can be adjusted easily by any user without harm to the unit.
The sidechain filters can be used to cut the Phoenix’s compression response to bass frequencies. The filter operates below either
150Hz or 300Hz on each channel and when stereo link is engaged the filters operate at the average of the two sides. This enables
the user to choose from 5 filter frequencies when in stereo operation.
The Phoenix is well known for its smooth “soft knee” compression characteristic and excellent specifications. This means that
it can be used as a compressor that will not harm your signal quality, whilst subtly controlling dynamic range. It is also possible to
drive the unit harder to produce harmonic distortion and higher ratio compression if desired. Many users have found these features
bring life to mixes or individual instruments, and control vocals, with a natural “warm” quality.
Contrary to the above, users have found that if the unit is operated in standby mode (it still passes audio) a “symmetrical” distortion
occurs, not unlike that produced by overloading analogue tape. Perhaps this fact alongside an exaggerated compression curve
lends to the Phoenix in standby mode another dimension.
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