PS Audio Classis 250 Operating Instructions Manual
PS Audio Classis 250 Operating Instructions Manual

PS Audio Classis 250 Operating Instructions Manual

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Table of Contents
1...What's in the Box
6...
What's in the Box
• One Classic 250 stereo amplifier
• One 6 foot AC power cord
• One user's manual and warranty
card
• One pair of gloves
• One spare 3 amp fast blow fuse for the
regenerator board (Power Plant)
and one spare 15 amp slow blow fuse
for the main circuitry.
• IMPORTANT: Be sure to save all
packing materials included with
your C250 as this will be required
if you ever need to ship the amplifier
for service or modification.
1

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Summary of Contents for PS Audio Classis 250

  • Page 1 Table of Contents What’s in the Box 1...What’s in the Box • One Classic 250 stereo amplifier 2...Quick Start Guide • One 6 foot AC power cord 3...Design Overview • One user’s manual and warranty 3...Input Gain Stage card 3...Internal Power Plant •...
  • Page 2: Quick Start Guide

    Quick Start Guide Match the C250’s positive (red) and nega- tive (black) terminals to the corresponding speaker connections. 1. Turn off your pre-amplifier or any other piece of equipment to which the C250 will 6b. Mono Output: To connect the C250 to be connected.
  • Page 3: Design Overview

    Design Overview The Input Gain Stage This critical element is, in large part, re- sponsible for the way the amplifier sounds. Based on the classic lines of the P600 By carefully tuning the audio parameters Power Plant, this is built in true ‘battleship’ of the input gain stage we can tweak and fashion.
  • Page 4: X1 Output Current Stage

    C250 amplifier, producing a much more Operation rich and open sound. Front Panel: Power Having a Power Plant built into the Clas- The front panel of the C250 was designed sic 250 to regenerate a clean AC signal for to bring both a level of elegance and sim- the input gain stage is one of the factors plicity into your system.
  • Page 5: Back Panel: Inputs

    (RCA) and balanced (XLR). The single-ended RCA connections are a very high quality, gold plated connec- tor designed specifically for PS Audio components. The balanced XLR con- nector is easily identifiable as the larger connector with three individual pins. The...
  • Page 6: Back Panel: Communication

    “high” and “low” other high-end after mar- (or whatever correlates ket cable like the PS Audio to the description your Lab Cable II, connect the speakers use to differ- C250 to a power source.
  • Page 7: Specifications

    C250 into a PS Audio P1200 Power Plant to obtain additional levels of enhancement. Other- wise, simply connect the C250 directly into your wall receptacle.
  • Page 8: Useful Tips

    PS Audio International, Inc. chased your product. In the unlikely event of service required beyond the capabil- 4824 Sterling Dr. ity of the importer, PS Audio will fulfill the Boulder, CO 80301 conditions of the warranty. Such product PH: 877-772-8340 must be returned at the owner’s expense...

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