VHT Special 6 Ultra Head - Manual (Page 10)

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A
B
C
D
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D
C
B
A
Title
Number: Revision Size
A3
Date: 3/10/2011
T
T NC
G NC
G
JK1
ULTRA
R1
68K
R2
1M
C2
101/500V
C5
10P/500V
C7
101/500V
C9
152/500V
C8
1u/100V
C6
222/630V
1
2
3
V1A
12AX7
C1
103/500V
R3
1K5
R4
100K
R49
10K
C3
22u/450V
C4
104/600V
R5
470K
R6
5.6K
1
2
3
VR1
1M
B+4
T
T NC
G NC
G
JK2
CLEAN
R8
33K
R7
1M
C11
101/500V
C12
10P/500V
C13
101/500V
C14
2u2/63V
6
7
8
V1B
12AX7
C10
103/500V
R9
1K5
R10
100K
B+4
C15
221/500V Mica (Cy2-2A)
C16
104/400V
C17
473/400V
R11
100K
R13
180K
R14
27K
R15
33K
R16
6K8
R12
68K
T
T NC
G NC
G JK3
FOOT SWITCH
S1/VR1
1
2
3 VR2
1M
C18
471/500V Mica (Cy2-2A)
C19
103/630V
Push/Pull Pot
Push=Shunt (Clean)
Pull=NC (Boost)
1
2
3 VR3
1M
1
2
3
V2A
12AX7
R17
470K
R18
1K5
R19
100K
R20
1K5
R21
100K
R23
33K
C20
224/630V
T
T NC
G NC
G
JK4
SEND
T
T NC
G NC
G
JK5
RETURN
B+3
R22
1M
R25
220K
R24
1K5
6
7
8
V2B
12AX7
B+3
C22
4u7/63V
C21
103/500V
C23
472/400V
R38
5K6
R37
220K
R39
470R 5W
R40 470R 3W
D3 1N4007
D4
1N4007
S2
POWER SWITCH
F2
T6.3AL/250V SLOW BLOW
RED
RED
GREEN
GREEN
BLACK BLACK
BLACK
WHITE
WHITE
WHITE
YELLOW/GREEN
J3
J5
J4
J6
D1
IN4007
D2 IN4007
C35 8.2n/1KV
C36 8.2n/1KV
C38 8.2n/1KV
C37 8.2n/1KV
C48
0. 1/
63
0V F1
T1AL/250V SLOW BLOW
BLACK
T1
RED
WHT
RT1
NTC(10R/5A)
NF72-10D15
AC
IEC
R41
470K C39
47
u/
45
0V
C40
104/600V
R44
470K
R43
330R 5W
R45
100K
R46
100K
R42
10K
C45
22u/450V C41
47u/450V
C43
22u/450V
C46
104/600V C42
104/600V
C44
104/600V
T2 Red
Blue
Black 0 ohm
B+1
Yellow 4 ohm
Brown 8 ohm
Orange 16 ohm
S3
STB FULL/HALF
TRIODE
STBY
PENTODE
ON
ON
STBY
1
2
3
VR4
1M G
D S
Q1
MTP6N60E
B+3
R47
10R 5W R48
1K 3W
ZD1
12V 1W
B+2
BR1 25A
C47
12
00
0u
/1 6V
R52
220R
D5
LED (RED)
4 5 9
V1C
12AX7
4 5 9
V2C
12AX7
R26
1M
R27
1M
R28
1M
R29
1M
R30
1M
R31
1M
R32
1M
R33
1M
R34
1M
R35
1M
R36
1M
12" 16 OHMS S1A S1B S1C S1D S1E S1F S1G S1H S1I S1J S1K
C24
224/100V
C25
334/100V
C26
474/100V
C27
684/100V
C28
1u/100V
C29
2u2/63V
C30
3u3/63V
C31
4u7/63V
C32
10u/63V
C33
15u/63V
C34
22u/63V
DEPTH
1P-11T ROTARY SWITCH
Ceramic
Ceramic
FILM Ceramic Ceramic
FILM
Mica
CLEAN TONE
FILM
FILM
Ceramic
3
5
8
4
V3A
6V6GTW
2
7
V3B
6V6GTW
FILM
FILM
FILM
VHT Special 6 Ultra
Rev5.0
B+4
FILM FILM FILM FILM FILM
B+1
C49 47
2/
40
0V
R50
100R
R51
100R
FILM
FILM
Mica
Mica
Mica
T
T NC
G NC
G JK6
LINE OUT
T
T NC
G NC
G
JK7
EXT SPK1
Ultra
8mVAC
TP1
220mV AC
TP3
300mV AC
TP8
300mV AC
TP7
300mV AC
TP9
1.5V DC
TP2
120mVAC
TP4
1.5V DC
TP5
104V DC
TP6
1.2V DC
TP10
19V DC
TP11
350V DC
TP13
288V DC
TP17
308V DC
TP16 326V to 26V DC
TP14
6.2V DC
TP18
6V AC
TP12
323V to 25V DC
TP15
S4
C50
2u2/100V (I)
C51
3u3/100V (II)
TEXTURE
FILM FILM
R54
15R 10W
C52
102/500V
C53
0.1/630V
T
T NC
G NC
G
JK8
EXT SPK2
T
T NC
G NC
G
JK9
INTERNAL SPK
WATTS
F3 T0.5AL/250V SLOW BLOW
1,
(0 . 5W)
16ohm
8ohm
4ohm
TEST CONDITIONS:
1. WATTS & DEPTH TO MIN
2. TONE TO CENTER
3. ULTRA & CLEAN VOLUME TO MAX
TECHNICAL SPECIFICATIONS
Name/Model: VHT Special 6 Ultra
6-Watt High Gain Vacuum Tube Guitar Amplifier / VHT Special 6 Ultra
Power Requirements & Consumption: 100/115VAC, 50/60Hz; 120VAC, 60Hz; 220VAC/230VAC240/VAC, 50/60Hz
Maximum Output Power: 6 watts
Speaker (combo only): One 12” VHT ChromeBack (60-watts, 16 ohms)
Amp Type: Hand-wired high-gain single-ended tube
Tubes: Two 12AX7; One 6V6
Controls: Ultra, Volume (with Pull-Boost), Tone, Texture, Depth, Watts, High/Low Power
Cabinet: Finger jointed birch plywood
Cosmetics: Black vinyl and black grille cloth
Dimensions (H x W x D): Combo: 18’’ x 19.5’’ x 10.5”
(457mm x 495mm x 267mm)
Head: 10.25” x 19.5’’ x 9.75’’
(257mm x 495mm x 250mm)
Net Weight: Head: 26.5 lbs. (12 kg)
Combo: 37.5 lbs. (17 kg)
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