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Recommended Settings
General Tube Sound for Single Coil
This is a tube sound that works well with single-coil pickups.
Use this in conjunction with overdrive and connect as follows.
Guitar → overdrive → this unit → guitar amp
In this case, adjust the overdrive output level so that the Nutube on this
unit goes dark at the moment that you play. This gives you a vacuum tube
sound even when you’re playing with a transistor-type guitar amp or
when playing through a line output.
The adjustable half-fixed volume settings are shown below.
TONE: 12 o’clock; SUSTAIN: 8 o’clock; THRESHOLD: 11 o’clock
Jazz Backing for Humbucher
This sound works well with jazz backing riffs played on a humbucking
pickup. Try playing some of the great songs of the past with this setting.
The adjustable half-fixed volume settings are shown below.
TONE: 10 o’clock; SUSTAIN: 9 o’clock; THRESHOLD: 10 o’clock.
List of mounted parts
Part number
Circuit number
Part name
Rating
Quantity
1
IC2 Regulator IC R1154H036B-T1 1
2
IC6 DC/DC Converter XC9143B10DER-G 1
3
IC1, IC3-4 Operational amplifier SO8412P-TH-WS 3
4
Q3-4, Q6 Transistor 2SC2712-BL 3
5
Q8 Transistor 2SA1162-GR 1
6
F1-2, F5 J-FET 2SK209GR 3
7
D3-4 Switching diode 1SS355 2
8
D2 Schottky barrier diode RB160L-40TE25 1
9
ZD1 Zener diode GDZJ4.7C 1
10
L3 Inductor SMTDR32-2R2M 1
11
EMI1-6 Inductor BLM18BD102SN1D 6
12
C46 Ceramic capacitor 10pF 1
13
C16, C24, C38 Ceramic capacitor 100pF 3
14
C11, C32 Ceramic capacitor 1000pF 2
15
C23 Ceramic capacitor 2200pF 1
16
C9, C31, C33-34 Ceramic capacitor 0.01μF 4
17
C25 Ceramic capacitor 0.033μF 1
18
C8, C12-14, C18,
C28-30, C37, C41
Ceramic capacitor 0.1μF 10
19
C6, C35 Ceramic capacitor 1μF 2
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