Alesis iO26 User Manual download pdf (Page 5)

Top Panel Tour

1. Inputs – Connect either XLR or ¼” cables to the inputs.

2. Inserts – Place additional equipment (like compressors,

equalizers, etc.) into your signal path using “insert” cables.

3. Mic/Line or Guitar Switch (Channels 1-2 only) – Switch

to a high-impedance circuit to record electric guitars/basses.

4. Gain Knobs – Set the preamplifier gain level.

5. Monitor Blend Knob – This knob controls the amount of

direct signal (from the analog and digital inputs) that gets

blended in to outputs 1/2. This direct signal monitoring

bypasses the computer for lag-free listening while tracking.

6. Metering Section – 5-segment “ladder” meters show the

precise digital input signal for each analog channel.

Status lights indicate Firewire connection to the computer,

current sample rate, and ADAT, S/PDIF, and MIDI activity.

Stereo output meters show the levels for outputs 1/2.

7. Phones 1&2 Volume – The IO|14/26 has two separate

headphone outputs.

8. Main Level – This knob sets the output level of channels

1/2.

9. Mic/Line or Phono Switch (IO|26 only) –If you want to

connect a turntable to your IO|26, use the RCA “phono”

inputs (on the rear of the unit) and engage this switch.

10. Phantom Power – These switches let you supply +48v

“Phantom Power” to condenser microphones that require

power. Each button engages/disengages phantom power for

a pair of inputs (i.e., channels 1-2, 3-4, 5-6, and 7-8).

MIC / LINE

Phantom power is only

necessary for condenser

microphones. Dynamic

microphones do not need

power to work correctly.

Check your microphone’s

manual to find out if it needs

phantom power.

It’s OK to set your gain levels

conservatively with the IO|14

and IO|26. These interfaces

feature outstanding analog-

to-digital converters and

preamplifiers, allowing you

to capture excellent

recordings even if your

signals peak at -9dB (or even

lower).

The combo jack inputs

The XLR input “expects” to

see a microphone and

delivers between 6.8dB and

50dB of gain, depending on

the position of the gain knob.

The ¼” input “expects” to

see either a line input or an

electric guitar or bass,

depending on the setting of

the Mic/Line/Guitar switch.

In the Line position, the input

provides between -15.4dB

and 27.8dB of gain. This

allows plenty of gain for

weak line level sources and

also provides the ability to

pad down overly powerful

line sources.

In the Guitar position, the

input provides 6.8dB to 50dB

of gain—the same range as

the XLR input.

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Alesis iO26 User Manual Page 5

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