VHT Amplification 2150 User Manual
  1. Manuals
  2. Brands
  3. VHT Amplification Manuals
  4. Amplifier
  5. 2150
  6. User manual

VHT Amplification 2150 User Manual

Power amplifiers
Hide thumbs
Table of Contents

Advertisement

Quick Links

M
2150 & C
ODEL
LASSIC
P
A
OWER
MPLIFIERS
U
'
M
SER
S
ANUAL

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 2150 and is the answer not in the manual?

Questions and answers

Terry
February 4, 2025

I have a VHT classic 2100 8EL34's what should I set the tube bias at?

0

Subscribe to Our Youtube Channel

Related Manuals for VHT Amplification 2150

Summary of Contents for VHT Amplification 2150

  • Page 1 2150 & C ODEL LASSIC OWER MPLIFIERS ’ ANUAL...

  • Page 2: Packing & Unpacking Instructions

    PACKING INSTRUCTIONS Inspect your 2150/Classic amp for hidden damage that may have occurred in transit. UNPACKING Your amp was inspected and sound-tested before shipment from the factory. All claims for shipping damage must be made by the receiver. Save your box and packing material for evidence of damage if it has occurred.

  • Page 3: Introduction

    Before power-up, please take a few moments to familiarize yourself with this manual and discover the impressive features and flexibility of the 2150 and Classic power amplifiers. You will also find out how you can achieve maximum performance from your VHT with a minimum of basic maintenance and operational information.

  • Page 4: Specifications For 2150 & Classic

    SPECIFICATIONS 2150 Power Output: 105 watts RMS per channel 100 watts per channel, both driven simultaneously Four KT88/6550A output tubes, two per channel Two 12AT7 driver tubes, one per channel Two 12AX7 preamp tubes, one per channel Input Impedance: 100k ohm...

  • Page 5: Table Of Contents

    CONTENTS PACKING & UNPACKING INSTRUCTIONS Safety cautions and warnings Tube location charts INTRODUCTION SPECIFICATIONS FOR 2150 & CLASSIC FRONT-PANEL CONTROLS & FUNCTIONS Standby switch Volume control Presence control Depth control Fan speed switch A fuse and B fuse Mains (AC power) switch...

  • Page 6: Front-Panel Controls & Functions

    9 A FUSE, B FUSE: These are 1-amp “normal-blo” fuses. They are the individual DC power supply and output protection fuses for channel A and channel B. *NOTE: The 2150 uses flameproof fuses. CAUTION TO REDUCE RISK OF FIRE, REPLACE ONLY WITH THE SAME TYPE FUSE. DISCONNECT POWER BEFORE CHANGING THE FUSE.

  • Page 8: Rear-Panel Controls & Functions

    CONTROLS & FUNCTIONS REAR PANEL 1 VOLTAGE RATING: This plate indicates proper voltage rating of the unit. 2 MAINS: AC input socket. See Installation & Operation. This amplifier is equipped with a grounding-type supply cord to reduce the possibility of leakage current.

  • Page 10: Standby Switch

    RANTY. VENTILATION The cooling system in the 2150/Classic is designed to draw heat out of the enclosure and provide the maximum amount of cooling for the power dissipated in an enclosed space. Occasionally, when recording or performing in a quiet environment, fan noise may be a problem. Under these circumstances, the “Lo”...

  • Page 11: Maintenance & Service

    3. When replacing tubes, remove only the rear cover. 4. Tubes: The 2150 tube complement consists of four VHT Special Design KT88/6550As, two 12AX7s, and two 12AT7s. The Classic tube complement consists of eight VHT Special Design 6CA7/EL34s, two 12AX7s, and two 12AT7s.

  • Page 12: Troubleshooting Guide

    Just connect the speaker output from your source amplifier to the input of this load box, and then connect the variable line output of the load box to the A/Mono input of your 2150 or Classic. Input...

  • Page 13: Connecting The 2150/Classic

    CONNECTING THE 2150/CLASSIC SLAVING HEADS EQUIPPED WITH LINE-LEVEL OUTPUT Speaker Line Head Output Output Speaker Speaker 2150 or Classic Speaker Output Output Power amp A/Mono Speaker or Input Dummy Load Speaker Speaker Speaker Speaker Speaker Line Head Output Output Effects switcher, Mixer, etc.

  • Page 14: Slaving Heads Not Equipped With Line-Level Output

    CONNECTING THE 2150/CLASSIC SLAVING HEADS NOT EQUIPPED WITH LINE-LEVEL OUTPUT Speaker Head Outputs Output Pad* Effects devices, Speaker Speaker Switcher, etc. Left output Right output 2150 or Classic Power amp Input Input Speaker Speaker See Connecting To A Guitar Amplifier, page 11.

  • Page 15: Preamp Configurations

    CONNECTING THE 2150/CLASSIC PREAMP CONFIGURATIONS Mono preamp connected Stereo preamp connected directly to power amp directly to power amp Preamp Preamp Preamp Preamp Output Outputs Speaker Speaker Speaker Speaker 2150 or Classic 2150 or Classic Output Output Output Output Power amp...

  • Page 16: Warranty Information

    WARRANTY Subject to the Obligations and Exclusions found below, this VHT product is warranted against manufac- turing defects in materials and workmanship for the period of one (1) year from the date of purchase, with the exception of the tubes and fuses, which carry a 90-day warranty. The warranty period commences on the date of purchase by the original user.
  • Page 17 1200 Lawrence Drive Suite 465 Newbury Park, California 91320 (805) 376-9899...

This manual is also suitable for:

Classic

Table of Contents