Ampeg SVT-3PRO 450 Watt Tube Preamp Bass Head User Manual
- June 17, 2024
- ampeg
Table of Contents
Ampeg SVT-3PRO 450 Watt Tube Preamp Bass Head
Product Information
Specifications:
- Model: SVT-3PRO
- Serial Number : [serial number]
- Line Voltage : 120V
- Frequency : [HzXX]
- Power Output : 1000W max
- Speaker Outputs :
- 275W @ 8 ohms
- 450W @ 4 ohms
- AC Line In : Connect to power source
Product Usage Instructions
Standard Setup
- Connect the SVT-3PRO to a power source with the appropriate voltage (110/115V or 230V).
- Replace the fuse with the same type and rating to reduce the risk of fire.
- Connect the speaker cabinet to the speaker outputs. Use cabinets with matching impedance (8 ohms or 4 ohms).
- Connect any additional equipment such as effects pedals or a tuner using the effects loop, tuner out, or preamp out connectors.
- If desired, connect a footswitch to control specific functions of the SVT-3PRO.
Parallel Setup
- Follow steps 1-3 of the standard setup instructions.
- Connect multiple speaker cabinets in parallel to the speaker outputs. Make sure all cabinets have the same impedance (8 ohms or 4 ohms).
- Continue with steps 4-5 of the standard setup instructions.
Daisy Chaining
- Follow steps 1-3 of the standard setup instructions.
- Connect the first speaker cabinet to the speaker outputs.
- Connect the second speaker cabinet to the first cabinet using a speaker cable.
- Repeat step 3 for additional cabinets.
- Continue with steps 4-5 of the standard setup instructions.
Mono-Bridged Setup:
- Connect the SVT-4PRO to a power source with the appropriate voltage (110/115V or 230V).
- Replace the fuse with the same type and rating to reduce the risk of fire.
- Connect the speaker cabinet to the mono bridge input or the low input for mono bridge operation. Make sure the impedance matches (4 ohms for mono or 8 ohms for dual).
- Set the mono-bridge switch to “IN”.
- Continue with steps 4-5 of the standard setup instructions.
Dual Mono Setup:
- Follow steps 1-3 of the mono-bridged setup instructions.
- Connect a second speaker cabinet to the high input or the low input for dual operation. Make sure the impedance matches (4 ohms for mono or 8 ohms for dual).
- Set the mono-bridge switch to “OUT”.
- Continue with steps 4-5 of the standard setup instructions.
Bi-Amp Setup
- Connect the SVT-4PRO to a power source with the appropriate voltage (110/115V or 230V).
- Replace the fuse with the same type and rating to reduce the risk of fire.
- Connect the speaker cabinet to the high input for bi-amp operation.
- Continue with steps 4-5 of the standard setup instructions.
FAQ
- Q: What is the maximum power output of the SVT-3PRO?
- A: The SVT-3PRO has a maximum power output of 1000W.
- Q: Can I connect multiple speaker cabinets to the SVT-3PRO?
- A: Yes, you can connect multiple speaker cabinets in parallel or daisy chain them.
- Q: What is the impedance requirement for the speaker cabinets?
- A: The speaker cabinets should have an impedance of either 8 ohms or 4 ohms.
- Q: Can I use the SVT-4PRO in mono-bridged mode?
- A : Yes, the SVT-4PRO can be used in mono-bridged mode for increased power output.
What’s in the Box
SVT®-3PRO or SVT-4PRO Amplifier, Power Cable, and Quick Start Guide.
Hookup Diagrams
- Standard Setup
Parallel Setup
Daisy Chaining
Mono-Bridged Setup
Dual Mono Setup
Bi-Amp Setup
Front & Rear Panels
Front & Rear Panels
Front & Rear Panel Descriptions
- 1/4″ Inputs: Connect a passive or active instrument to the Input jack.
- Peak/Mute LED : Indicates when the input signal is clipping or when the Mute is engaged.
- Mute Switch : Mutes all outputs except for the Tuner Out.
- Pad : Reduces input level by 15 dB.
- Gain Knob : Varies the intensity of the signal sent to the preamplifier.
- Ultra Hi/Ultra Lo Switches : Boosts high or low frequencies.
- EQ Knobs : Boost or cut the levels at certain frequencies to enhance the sound.
- Tube Gain : Varies the intensity of the signal sent to the preamp tubes.
- Master Knob: Controls the overall speaker output and headphone levels.
- Crossover Adjustment Knobs : Controls the frequency and balance when in Bi-Amp mode.
- Power Switch/Power LED : Turns power on or off. LED indicates power on or off.
- Compression: Controls the amount of compression applied to the input signal.
- EQ Switch/LED : When engaged, the 9-Band Equalizer is active.
- 9-Band Graphic EQ : Boost or cut the levels at set frequencies to enhance the sound.
- Bright Switch : Boosts high frequencies.
- Line Out Level : Varies the level of signal sent to the Transformer Balanced Line Outputs.
- Limit Defeat : Allows the internal Limiter to be turned off.
- Effects Bypass : Bypasses the Effects Loop.
- Limit LED : Illuminates when the signal triggers the internal Limiter.
- Input Power Connector : Input socket for power cable connection.
- Speaker Outputs : Speakon® / 1/4″ TS outputs for connecting speaker cabinets.
- Tuner Output : Feeds an external tuner.
- Footswitch Input : Control the Mute and FX functions using a footswitch.
- Effects Loop Send/Return : Connect the input and output of an external FX processor.
- Fuse : Overload and AC line surge protection.
- Circuit Breaker : Overload and AC line surge protection.
- Transformer Balanced Line Out : Line level output. Switches to optimize output to a mixer or recorder.
- Patch Input/Output : Power Amp In bypasses the internal preamp. Pre Amp Out feeds an external amplifier or powered speaker.
- Bi-Amp High/Low Outputs : High and Low-Frequency Outputs for Bi-Amp mode.
- Mono Bridge Switch: Turns the Bi-Amp function on/off.
Getting Started
- Read and understand the included “Important Safety Instructions.”
- Make sure the power switch is off before making any connections.
- 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.
- Connect an instrument to the SVT-3PRO/SVT-4PRO Input jack with a 1/4″ (shielded) instrument cable. Connect (non-shielded) speaker cables to speaker cabinets with 1/4″ TS or Speakon ends depending on model.
- With all volume controls fully off, turn the amplifier on by pressing the Power Switch to the on position.
- While playing the instrument, adjust the Gain and Master controls to the preferred level.
- Adjust the EQ knobs to taste.
Technical Specifications
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. 40-00-0530 Rev. B
Supplier’s Declaration of Conformity 47 CFR § 2.1077 Compliance Information
Unique Identifier : Ampeg SVT-3PRO, SVT4-PRO
Responsible Party – U.S.
Contact Information:
Yamaha Guitar Group, Inc.
- 26580 Agoura Road
- Calabasas, CA 91302-1921
-
- 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
OT, 2 •A, 3 L, and @ V are shown below.
- The symbol indicating relative fusing time / current characteristics T: Time lag type, F: Fast-acting type.
- A: Rated current
- The 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 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.
References
Read User Manual Online (PDF format)
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