Blackstar HT-DELAY - Manual (Page 4)

valve circuit. When the LED is green there is little or no saturation
and the effect response will be quite linear. When the LED is
orange, there is mild to moderate saturation in the valve circuit.
Once the LED colour becomes red it indicates full saturation in
the valve circuit and maximum saturation is reached.
6. Level
This controls the amount of effect that is mixed in with the direct
signal. The level control is somewhat interactive with the
Saturation control.
Note: With the Saturation control level set high, the effect will
become denser and therefore a reduced amount of Level will be
required.
7. Output – Right
This is the right hand signal for use in a stereo set-up. Always use
a good quality screened guitar lead (see Suggested Set-ups
section).
8. Output – Left (Mono)
This is the main output in a mono set-up or the left hand signal for
use in a stereo set-up. If you use the HT-DELAY in the effects loop
of a guitar amplifier this is where to connect the effects return
signal to the amplifier. Always use a good quality screened guitar
lead (see Suggested Set-ups section).
9. Input
Plug your guitar in here. Alternatively, if using the HT-DELAY in
the effects loop of a guitar amplifier this is where to connect the
effects send signal from the amplifier. Always use a good quality
screened guitar lead (see Suggested Set-ups section).
10. Valve Viewing Window
Through this grille you can see the ECC83 valve at the heart of
your pedal. The valve is backlit with an LED, which is also the
power-on LED and indicates that the power has been connected.
WARNING: Do not attempt to remove the fixing screws or grille.
No user serviceable parts inside.
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2. Time
This control varies the time between the delay repeats. At
minimum settings there is a ‘slapback’ effect ideal for rockabilly
riffing. As the delay time is increased the effect becomes more
spacial. The most recent change either by the Tap switch (14) or
Time knob sets the delay time. The Tap Time / Loop LED (13)
always blinks at the current delay time.
Note: When adjusting time via the Time knob, the maximum
delay time is 1.5 seconds. If you want over 1.5 seconds delay,
use the Tap switch (14) for access to the full 3 second maximum
delay time.
The maximum delay time in Multihead 1 is 1.5 seconds.
3. Feedback
This control adjusts the number of delay repeats. At minimum
settings, there is a single delay repeat, at maximum setting
continuous repeats will occur.
4. Saturation
By adjusting the drive to the high voltage valve circuit in the effect
side chain, the Saturation control affects the amount of valve
compression and harmonics present in the effect. This is similar
to how vintage style tape echo input circuits worked, adding
warmth and mild overdrive/compression, due to the tape and
valve characteristics.
At low levels the effect will sound more linear, but as the control
is increased the valve circuit becomes more saturated and the
effect becomes denser and richer in valve compression and
harmonics. At maximum settings the delay repeats will have a
crunchy, valve driven quality.
The Saturation circuitry is optimised to work at guitar or -10dBV
loop operating levels. Operation at +4dBV loop levels is not
recommended.
5. Saturation Indicator LED
The Saturation Indicator LED works in conjunction with the
Saturation control (4) to indicate the amount of saturation in the
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