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14. INPUTS AND OUTPUTS
The Q-Series units offer multiple input and output connectors to meet the
connectivity demands of various systems.
The 1/4” phone jack input(s)
are wired with three conductors Tip-(Positive) Ring-
(Negative) Sleeve-(Shield) type phone jacks, You can use these inputs equally
well with either balanced or unbalanced phone plugs. For balanced connections
(XLR and 1/4” phone), shielded twisted pair cable should be used.
The RCA connectors are unbalanced, and are designed for low level input and
output.
IMPORTANT
: Only one group of connectors may be used at a time.
XLR
: Pin 1 = shield
Pin 2 = signal positive
Pin 3 = signal negative.
TRS
:
Tip = signal positive
Ring = signal negative
Sleeve = shield
RCA:
Tip = signal positive
Sleeve = ground
Operational Overview
The Furman Q-series Graphic Equalizers divide the audio frequency spectrum into
segments or bands, each covering a designated frequency range. The Q-2151 and
Q-2152V utilize 15 bands, each covering 2/3 of an octave, while the Q-1311, Q-1312V,
and Q-2312 use 31bands, each covering 1/3 octave.
Each unit is equipped with a selectable range switch (3) that allows their Frequency Slider
(2) ranges to be set to ±6dB or ±12dB. Due to the short range of sliders built into a single
rack space component, their resolution is somewhat limited in the ±12dB setting. The
±6dB setting provides a more precise scale, and is suggested whenever circumstances
will allow.
The 31 band Q-Series equalizers provide Low Cut control that can be adjusted over a 10
to 250 Hz range and a High Cut control that ranges from 3K to 40 KHz. Having adjustable
filter cutoff points allows the response to be customized for the particular type of audio
program and the types of noise or interference likely to be encountered. If you do
not wish to use the Low and High Cut filters, leave the knobs set to 10 Hz and 40 KHz,
respectively, for minimum effect.
Содержание Q-1311
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