User Guide for Ampeg models including: SVT-CL 300 Watt Tube Bass Head Sweetwater, SVT-CL, 300 Watt Tube Bass Head Sweetwater, Tube Bass Head Sweetwater, Bass Head Sweetwater, Head Sweetwater

Ampeg SVT-CL VR 4B Quick Start Guide - Rev C, English

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Quick Start Guide - English
SVT-CL, SVT-VR, V-4B
Quick Start Guide

What's in the Box · SVT®-CL, SVT-VR, or V-4B Amplifier · Power Cable · Quick Start Guide
Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information Unique Identifiers: Ampeg SVT-CL, SVT-VR, and V-4B Responsible Party - U.S. Contact Information: Yamaha Guitar Group, Inc. 26580 Agoura Road Calabasas, CA 91302-1921 (818) 575-3600 https://ampeg.com/ FCC Compliance Statement: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
There are various types of fuses, and replacing them with different types may cause malfunction, electric shock, or fire. Be sure to confirm you are replacing the correct fuse with electrical rating and specifications. Each number and symbol represent the following: Example: T3AL250V
  T,  A,  L, and  V are shown below.
 Symbol indicating relative fusing time / current characteristics T: Time lag type, F: Fast-acting type.  A: Rated current  Symbol indicating the blocking capacity L: Low cutoff capacity, E: Medium cutoff capacity, H: High cutoff capacity.
  V: Rated voltage
© 2021 Yamaha Guitar Group, Inc. All rights reserved. Ampeg, the Ampeg logo, and SVT are trademarks or registered trademarks of Yamaha Guitar Group, Inc. in the U.S. and/or other jurisdictions. Speakon is a registered trademark of Neutrik AG Corporation.
Serial Number: ________________________________ 2

Hookup Diagrams

Standard Setup

POWER CONSUMPTION 100W
AC LINE IN CAUTION:
TO REDUCE THE RISK OF FIRE, REPLACE FUSE WITH
THE SAME TYPTEINAGN.D RA

MODEL V-4B

TUBE COMPLEMENT:

FVU-1S2E0:V FOORR120200V-240V

:T4A H 250V :T2A H 250V

CAUTION
RISK OF ELECTRICAL SHOCK DO NOT OPEN
AVIRSI:SQUE DE CHOC ELECTRIQUE NE PAS OUVRIR.
WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE AVIS: THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER N'OUVRESZEPRVICEABLE P ARATSSLINASCIODUE.VREERFTEURRESE. NR'VEIXCPINOGSETZOPQAUSACLIEFTIEÉDQPUEIPRESMOENNNTEÀL. LA PLUIE OU À L'HUMIDITÉ.

ATTENTION:
UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE.

POWERAMP 6L6 PREAMP

6L6

6L6

12AX7

PREAMP OUT

POWER AMP IN

EXT AMP OUT

12AU7
BALANCED OUT

6L6 12AX7
LIFT GND

12AX7

SPEAKERS-100W @ SELECTED IMPEDANCE - CLASS 2 WIRING

2 OHMS

2 OHMS

4 OHMS

4 OHMS

8 OHMS

USE WITH ONE 2 OHM CABINET OR TWO 4 OHM CABINETS

USE WITH ONE 4 OHM CABINET OR TWO 8 OHM CABINETS

Speaker Cabinet

4 5 6

7

8 9 10
11 12 16

-db LEVEL CONTROL

3 2
1 0

V-4B

8 8
8

Parallel Setup
Speaker Cabinet A
Daisy Chaining

HIGH FREQUENCY ATTENUATOR

OFF ­6

0

FULL RANGE INPUTS

EXT AMP OUT

PWO ER AMP IN

PREAMP OUT

SVT-VR

4 5 6

7

8 9 10
11 12 16

-db LEVEL CONTROL

3 2
1 0

Speaker Cabinet B

SVT-CL
EXT AMP OUT

Speaker Cabinet A

HIGH FREQUENCY ATTENUATOR

OFF ­6

0

FULL RANGE INPUTS

5 6
7
8 9 10
11 12 16

4
-db LEVEL CONTROL

3 2
1 0

Speaker Cabinet B

Note: Use same impedance cabinets in parallel setups and when daisy-chaining 3

Front & Rear Panels

SVT-CL

5

12

46

7

8

9 10 11

12 14 13
SVT-VR

15 5

EXT AMP OUT
16
76

17 22 21 23

24

5

6

3

8

7

8

7

10 9 11

12 14 13

15

EXT AMP OUT

POWER AMP IN

PREAMP OUT

16 22 21 18 20 17 19 23

24

V-4B

0 dB

-15 dB

12

GAIN
4

6

7

5

0

+

1

2 220HZ 3

0

+

ULTRA LO

800 HZ

3OOOHZ ULTRA HI

EQUALIZATION

BASS

CUT

BOOST

MIDRANGE

TREBLE

MASTER

7

8

9

MODEL V-4B

STANDBY POWER

10 11

POWER CONSUMPTION 100W
AC LINE IN CAUTION: TO REDUCE THE
RISK OF FIRE, REPLACE FUSE WITH THE SAME TYPE AND RATING.

MODEL V-4B

FUSE: FOR 100V-120V
FOR 220V-240V

:T4A H 250V :T2A H 250V

TUBE COMPLEMENT:
CAUTION
RISK OF ELECTRICAL SHOCK DO NOT OPEN
AVIS: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. AVIS: N'OUVREZ PAS LA COUVERTURE. N'EXPOSEZ PAS CET ÉQUIPEMENT À LA PLUIE OU À L'HUMIDITÉ.

ATTENTION: UTILISER UN
FUSIBLE DE RECHANGE DE MEME TYPE.

12 13

POWERAMP 6L6 PREAMP

6L6

6L6

12AX7

PREAMP OUT

POWER AMP IN

EXT AMP OUT

12AU7
BALANCED OUT

6L6 12AX7
LIFT GND

12AX7

SPEAKERS-100W @ SELECTED IMPEDANCE - CLASS 2 WIRING

2 OHMS

2 OHMS

4 OHMS

4 OHMS

8 OHMS

USE WITH ONE 2 OHM CABINET OR TWO 4 OHM CABINETS

USE WITH ONE 4 OHM CABINET OR TWO 8 OHM CABINETS

21 22 16 17 20

24

4

Front & Rear Panel Descriptions 1. 0 dB Input: Connect a passive instrument to this Input jack. 2. ­15 dB Input: Connect an active instrument to this Input jack. 3. 1/4" Inputs: Connect an instrument to one of these four Input jacks. 4. Gain: Varies the intensity of the signal sent to the preamplifier. 5. Ultra Hi: Boosts the high frequencies. 6. Ultra Lo: Boosts the low frequencies. 7. EQ: Boost or cut the level at certain frequencies to enhance the sound. 8. Master/Volume: Controls the overall output level. 9. Standby/Power/Fault LED: Multi-function LED illuminates red in Standby mode and green when
powered on. It flashes between red and green when the amp detects a fault (SVT-CL and SVT-VR only). 10. Standby Switch: Turns the Standby on and off. 11. Power Switch: Turns the Power on and off. 12. Power Connector: Input socket for power cable. 13. Fuse: Overload and AC line surge protection. 14. Polarity Switch: Removes electrical buzz. 15. Bias/Balance: Controls and LEDs for user biasing. 16. Ext Amp Out: Feed another amp from this unit's preamp. 17. Balanced Out: Feeds the signal from the Power Amp Input to an external power amplifier, mixer or
recording setup. 18. Level: Adjusts the signal level at the Balanced Output jack. 19. Pre (Ch. 1)/Post Switch: Set the Balanced Output jack to Pre-EQ (disengaged) or Post-EQ (engaged). 20. Lift/Gnd: Connects the ground connection at the Balanced Output jack. 21. Preamp Out: Feeds an external amplifier or powered speaker. 22. Power Amp In: Bypasses the internal preamp. 23. Impedance Selector: Match the output impedance of the amp to the speaker(s). 24. Speaker Outputs: 1/4" TS / Speakon® outputs for connecting speakers.
Getting Started 1. Read and understand the included "Important Safety Instructions." 2. Make sure the Power and Standby switches are off before making any connections. 3. Push the line cord securely into the amplifier's IEC connector and plug the other end into a grounded AC
outlet. The amplifier may accept the appropriate voltage as indicated near the IEC connector. 4. Connect an instrument to the amplifier's Input jack with a (shielded) 1/4" instrument cable. Connect
speaker cables to speaker cabinets with (non-shielded) speaker cable with Speakon or 1/4" TS ends. 5. With the Gain and Master/Volume controls fully off, turn the Power switch on. The Power LED will
illuminate. Wait 30 seconds. 6. Turn the Standby switch on. 7. While playing the instrument, adjust the Gain and Master/Volume knobs to the preferred level. 8. Adjust the EQ knobs and switches to taste.
5

Technical Specifications

SVT-CL

Preamp Tubes Driver Tubes Power Amp Tubes Output Power Rating Signal-to-Noise Ratio (20 Hz ­ 20 kHz) Maximum Gain
Power Requirements
Size (H x W x D)
Weight

2 x 12AX7
1 x 12AX7, 2 x 12AU7
6 x 6550
300W RMS @ <3% THD @2 /4
80 dB
67 dB @ 1 kHz ­3 dB @ 40 Hz & 15 kHz
120V AC, 50­60 Hz, 460W 100V AC, 50­60 Hz, 460W 220­240V AC, 50­60 Hz, 460W
11.5 x 24.0 x 13.0 in 292 x 610 x 330 mm
80 lb 36.3 kg

All specifications subject to change.

SVT-VR
3 x 12AX7, 2 x 12AU7
1 x 12AX7, 2 x 12AU7
6 x 6550
300W RMS @ <5% THD @2 /4
75 75 dB
78 dB @ 1 kHz ­3 dB @ 20 Hz & 15 kHz 120V AC, 50­60 Hz, 400W 100V AC, 50­60 Hz, 400W 220­240V AC, 50­60 Hz, 400W 11.5 x 24.0 x 12.75 in
292 x 610 x 324 mm 85 lb
38.6 kg

V-4B
2 x 12AX7
1 x 12AX7, 1 x 12AU7
4 x 6L6GC
100W @ 8% THD+N @2 /4 /8
80 dB
64 dB @ 1 kHz ­3 dB @ 14 Hz & 15 kHz 120V AC, 60 Hz, 200W 100V AC, 50­60 Hz, 200W 220­240V AC, 50­60 Hz, 200W
10.8 x 23.8 x 11 in 275 x 604 x 280 mm
41 lb 18.6 kg

WARRANTY AND SUPPORT Visit WWW.AMPEG.COM to... (1) ...identify WARRANTY coverage provided in your local market. Please keep your sales receipt in a safe place. (2) ...retrieve a full-version, printable OWNER'S MANUAL (English only) for your product. (3) ...REGISTER your product. (4) ...CONTACT Technical Support, or call 818-575-3600.
www.ampeg.com Yamaha Guitar Group, Inc. 26580 Agoura Road, Calabasas, CA 91302-1921 USA Part No. 40-00-0534 Rev. C

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References

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