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9. LOW CUT: Rolls off 12dB per octave at 80Hz and below when engaged.
Use this to avoid rumble from passing traffic, footsteps and so forth.
10. COMPRESSOR IN/OUT: Engages/disengages the TAMPA’s entire
compressor stage. When disengaged, TAMPA’s compressor circuitry is
removed from the signal path.
11. COMPRESSOR IN/OUT INDICATOR: Lights when the COMPRESSOR
IN/OUT switch is set to the “IN” position to indicate that the compressor
is on and is part of the signal path.
12. THRESHOLD:Threshold level at which the compressor engages. Range is
from –20dB to +20dB.
13. RATIO: Ratio of the input dynamic above the compression threshold to the
output dynamic above the compression threshold. Range is from 1.1:1 to 10:1.
14. ATTACK: Controls the amount of time required for the compressor to
reduce the gain once the threshold level is reached. Range is 1 millisecond
to 11 milliseconds.
15. RELEASE: Controls the amount of time it takes the compressor to return to
normal or zero gain reduction. Range is from 250 milliseconds to 5 seconds.
16. GAIN REDUCTION METER: Provides metering (in decibels) of the
gain reduction resulting from compression, where 0 VU represents
zero gain reduction.
17. OUTPUT METER:Provides metering (in decibels) of TAMPA’s overall output
level (prior to the 20dB PAD),where 0 VU represents +26dBu.This meter is
unaffected by the 20dB PAD switch. Note that this is a `quasi-peak type’
meter whose ballistics respond with approximately the same dynamics as the
human ear.
18. CLIP: Indicator illuminates when output signal reaches +26dBu (approx.
0VU on OUTPUT METER).This is equivalent to approximately 4dB below
the digital clipping level of 30.5dBu.
19. PHASE:Reverses the phase of TAMPA’s output.The INVERT position forces
TAMPA’s analog audio output to be 180 degrees out of phase from the
input, where the NORM position leaves the analog output in phase with
the input. NOTE: Digital output is always in phase with the input.
20. 20dB PAD: When engaged, attenuates TAMPA’s analog output by 20dB—
useful in avoiding the overload of subsequent equipment in the sound
chain.The 20dB pad will also allow you increase the gain on the TAMPA
preamp and force the signal into an area of greater soft-clipping/tube
emulation.The 20dB PAD appears in the TAMPA circuit after the OUTPUT
LEVEL METER. NOTE: Digital output level is not affected by the 20dB pad.
21. SAMPLE RATE:Adjusts the sample rate of TAMPA’s digital outputs to match
the sampling rate of the digital gear TAMPA is feeding. Settings are 44.1kHz,
48kHz, 88.2kHz and 96kHz.
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Rear Panel Features
1. S/PDIF OUTPUT: Outputs a mono 24-bit S/PDIF signal on both left and
right channels at the sample rate specified by the SAMPLE RATE selector.
This female coaxial RCA jack accepts a digital coaxial cable with a male RCA
plug, and connects to external gear that will receive a S/PDIF digital signal.
2. AES/EBU OUTPUT: Outputs a mono 24-bit AES/EBU signal on both left
and right channels at the sample rate specified by the SAMPLE RATE
selector.This male XLR jack accepts a digital coaxial cable with a female
XLR plug, and connects to external gear that will receive an AES/EBU
digital signal.
3. BALANCED/UNBALANCED 1/4” TRS OUTPUT: Outputs a balanced
analog line-level signal when using a 1/4” TRS plug, or an unbalanced analog
line-level signal when using a 1/4” TS plug.
4. BALANCED XLR OUTPUT: Outputs a balanced analog line-level signal on
a male XLR jack, and accepts a standard audio cable with a female XLR
plug. Pin 2 is positive. (You should verify that other equipment you are
connecting is also wired with pin 2 positive.)
5. 12VAC: Power connector for TAMPA’s external power supply.
(WARNING: Do not use any power supply other than the model that
shipped with your TAMPA, as damage to your equipment may result.)
Setup and Connection
Connecting TAMPA to your equipment is simple.
AC power
To route AC power to TAMPA, connect the external power supply
that comes with TAMPA between the 12VAC jack on the rear panel
and AC power.
WARNING: Do not use any other power supply than the model that
shipped with your TAMPA, as damage to your equipment may result.
Figure 2 - TAMPA Back Panel Features
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