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General| Brand | VHT Amplification |
|---|---|
| Model | 2150 |
| Category | Amplifier |
| Language | English |
Inspect amp for transit damage. Save packaging for claims.
Use original materials for safe return shipment.
Prevent fire/shock hazard by avoiding rain, moisture, and water.
Alerts user to uninsulated "dangerous voltage" risk.
Alerts user to important operating/maintenance instructions.
Diagram showing tube layout for the 2150 model.
Diagram showing tube layout for the Classic model.
Congratulates user, highlights craftsmanship and features.
Fields for serial number, date of purchase, dealer details.
VHT Amplification contact information and address.
Details power output, impedance, dimensions, and features for the 2150.
Details power output, impedance, dimensions, and features for the Classic.
Disconnects power to individual channels when idling.
Normal setting for best signal-to-noise ratio.
High-frequency boost/cut control.
Variable damping control for low-frequency response.
Adjusts cooling rate; set to "Hi" for most situations.
1-amp fuses for DC power supply and output protection.
Primary AC power switch for channels and fan.
10-amp "slo-blo" fuse for primary AC protection.
Indicates the unit's proper voltage rating.
Connects to the grounding-type supply cord. Use provided cord.
Switches EL34 tubes between Pentode (100W) and Triode (50W) modes.
Selects speaker impedance to match the connected speakers.
Jacks wired in parallel; "Use First" jack must be used first.
Selects between two tonal voicings for midrange and highs.
Signal inputs; A/Mono normals to B if B is not connected.
Sets input level; Hi (-10dB) or Lo (0dB) for slaving.
Important information for reference.
Important information for servicing.
Fan speed controlled by front-panel switch; keep vents clear.
Ensure correct voltage, clear vents, proper speaker connection, and standby switches.
Warns against substandard power sources and ungrounded outlets.
Select correct impedance setting for speaker systems to avoid damage.
Impedance settings are halved in Classic's low-power mode.
Adjust fan speed for cooling; "Lo" setting may affect tube life at high volumes.
Routine maintenance by dealer preferred. Hot tubes and hazardous voltages warning.
Remove power cord, wait, remove rear cover, gently rotate tubes.
Replace only with same type fuse; disconnect power first.
Checks AC cord, power source, mains fuse.
Checks volume, sensitivity, standby, cables, impedance, fuses.
Checks fan speed, ventilation, cord, bias.
Checks speakers, cables, impedance, signal level, bias.
Diagram and parts list for building a load box.
Diagrams showing how to connect heads with line-level output.
Diagrams for connecting heads without line-level output.
Diagram for connecting a mono preamp directly.
Diagram for connecting a mono preamp through effects.
Diagram for connecting a stereo preamp directly.
Diagram for connecting a stereo preamp with effects.
1-year warranty (90 days for tubes/fuses), service locations.
Proof of purchase, transportation responsibility.
Covers items not covered, like misuse, unauthorized service, cosmetic damage.
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