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Write a Specification Table

Benchmark AHB2 Power Amplifier
John Siau PFP

John Siau:

Write a table of specifications for the AHB2 power amplifier.

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Specifications: Benchmark AHB2 Power Amplifier


  • Power Output: Up to 100W per channel into 8 ohms, up to 380W into 4 ohms
  • Amplifier Type: Class AB
  • THX-AAA™ Technology: Yes
  • Frequency Response: 0.1 Hz - 200 kHz (-3 dB)
  • Signal-to-Noise Ratio (SNR): > 130 dB A-weighted
  • Total Harmonic Distortion (THD+N): < -118 dB (0.00013%)
  • Input Impedance: 10 kΩ Balanced (XLR), 10 kΩ Unbalanced (RCA)
  • Output Impedance: < 0.01 Ω
  • Input Sensitivity: 2.83 Vrms (for rated power output into 8 ohms)
  • Gain: 29 dB (Single-Ended or Balanced Input)
  • Power Requirements: 100-240V AC, 50-60 Hz (Auto-switching)
  • Power Consumption: 20W (Idle), 45W (Maximum)


  • Balanced Input Connectors: XLR (Female)
  • Unbalanced Input Connectors: RCA (Gold-plated)
  • Input Polarity: Non-Inverting (Pin 2 Positive)


  • Speaker Output Connectors: Binding Posts (Gold-plated)
  • Recommended Load Impedance: 3 ohms and higher

Protection Features:

  • Over-Current Protection
  • DC Offset Protection
  • Over-Temperature Protection
  • Mute/Standby Function


  • Dimensions (W x H x D): 8.5" x 3.7" x 11.04" (216 mm x 95 mm x 280 mm)
  • Weight: 12.5 lbs (5.7 kg)
  • Finish: Silver or Black Brushed Aluminum


  • THX Certification: Yes
  • CE Mark: Yes
  • RoHS Compliant: Yes


  • Limited Warranty: 2 years

Note: The specifications listed above are provided as a general guide and may be subject to change. For complete and up-to-date specifications, please refer to the official documentation and product information provided by Benchmark Media Systems.

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Benchmark's ChatGPT Blog

by Benchmark Media Systems November 16, 2023

ChatGPT Goes to School

ChatGPT is going to school at Benchmark U. The instructor is John Siau. According to Siau, ChatGPT gets A+ grades in English, Marketing and Sales, but is currently struggling to get passing grades in Engineering. John gave ChatGPT a series of assignments, graded the results, and asked ChatGPT to make corrections when it made factual errors.

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This blog documents some of our first interactions with ChatGPT. It demonstrates some of the capabilities of this tool and it exposes some of its shortcomings. Overall we find that it can be a very useful writing tool, but it has difficulties when it comes to getting facts correct.

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Most people are inclined to ask ChatGPT to answer questions, but we have found that it is not well-suited to this task. Instead, we have found that it is very good at completing virtually any type of writing assignment. ChatGPT is not designed to look up facts. It is designed to put words and phrases together in a way that reflects prior usage of those words and phases within its vast exposure to content on the internet.

Tell ChatCPT the Subject and Type of Document to Write - You Will be Amazed!

Tell ChatGPT the subject and the type of document that you would like it to write, and it will instantly respond with a well-written document. ChatGPT seems to understand virtually any writing style. This blog shows some useful examples, as well as some entertaining examples. We even asked ChatGPT to write a standup comedy routine about an AHB2 power amplifier. It was a tough writing assignment, but ChatGPT instantly delivered! 

When ChatGPT Makes Factual Errors - Ask it to Make the Corrections

ChatGPT frequently gets facts incorrect. When this happens, you may be tempted to edit the text to correct the error. Instead, we recommend informing ChatGPT of the error. When you do this, ChatGPT will look for content matching your assertions, learn from your corrections, and then instantly rewrite the text incorporating the new information. ChatGPT can edit and rewrite much faster than you can. This interactive process will also improve the accuracy of all subsequent interactions on the topic, as long as the ChatGPT session remains open. The following blog shows a good example of this interactive process:

John Siau and ChatGPT Discuss Audio Cables

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Benchmark AHB2 Power Amplifier

Write a User Manual

by Benchmark Media Systems June 08, 2023

John Siau PFP

John Siau:

Write an outline for a user manual for the Benchmark AHB2 power amplifier.

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User Manual Outline: Benchmark AHB2 Power Amplifier

I. Introduction

A. Product Overview
B. Package Contents
C. Safety Precautions

II. Getting Started ...

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Benchmark AHB2 Power Amplifier

Write Ad Copy

by Benchmark Media Systems June 08, 2023

John Siau PFP

John Siau:

Write ad copy for the Benchmark AHB2.

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"Experience Sonic Perfection with the Benchmark AHB2 Power Amplifier"

Are you ready to elevate your audio experience to new heights? Look no further than the Benchmark AHB2 Power Amplifier. With its revolutionary design and exceptional performance, the AHB2 is the ultimate choice for audiophiles, music enthusiasts, and professionals alike.

Unleash the full potential ...

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