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The UAD device power requirements are listed in
figures are measurements of the actual power draw for these devices when
running at full DSP load.
Note:
included external power supply adapter for operation.
Important:
behavior may result.
Table 2. UAD Power Requirements by Device Type
UAD Device Type
UAD-1
UAD-1e
UAD-2 Solo
UAD-2 Duo
UAD-2 Quad
UAD-2 SOLO/Laptop
UAD-2 Satellite (Duo)*
UAD-2 Satellite (Quad)*
The PCI specification provides for up to 25W per device, however some host
Windows
systems don't provide (or require) this much power. When designing a com-
puter DAW system, a common rule of thumb is to provide an extra
50%–100% of headroom over the estimated maximum total power draw of
all components in the system. Don't skimp on the power supply unit! When
building a custom system a quality sufficiently-rated PSU is critical for system
stability.
Under rare conditions running multiple UAD cards may cause an IRQ conflict
IRQ Conflicts
which can cause system instability or freezes. If this occurs, try moving the
UAD card(s) to different slots and/or contacting UA for technical assistance.
Multidevice DSP Loading
DSP loading in a multidevice system behaves the same as in a single UAD-2
Duo or Quad system (these devices have multiple DSPs), and is managed au-
tomatically by the UAD software. See
for details.
UAD Powered Plug-Ins Manual
UAD-2 Satellite cannot be powered by the Firewire bus; it requires the
If insufficient power is available to UAD devices, unpredictable
Maximum Power Draw
15 Watts
9 Watts
5 Watts
7 Watts
10 Watts
3.5 Watts
4 Watts (*via external power supply)
7 Watts (*via external power supply)
"DSP Loading Information" on page 93
- 58 -
Chapter 5: Using Multiple UAD Devices
Table 2 on page
58. These
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