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Congratulations on your purchase of the conrad-johnson Premier Ten
vacuum tube line-stage preamplifier. You have acquired one of the finest
pieces of music reproduction equipment available today. The result of
more than a decade of research by conrad-johnson design into the
application of vacuum tube devices to the reproduction of recorded
music, the Premier Ten was designed to establish the reference stand-
ard among line-stage preamplifiers for reproducing the dynamics, to-
nalities, textures and ambience of a live musical performance. The
design and materials have been carefully selected to yield years of
unvarying excellence.
Please take a few minutes to read this manual so that you will better
understand the features and capabilities of your Premier Ten. NOTE
THAT THE PREMIER TEN IS PHASE INVERTING. See the section
entitled "Getting the most from your Premier Ten" for details on correct
hookup in your system.
Premier Ten Owner's Manual
1
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Summary of Contents for Conrad-johnson design Premier Ten
- Page 1 Premier Ten. NOTE THAT THE PREMIER TEN IS PHASE INVERTING. See the section entitled "Getting the most from your Premier Ten" for details on correct hookup in your system. Premier Ten Owner’s Manual...
- Page 2 LIMITED WARRANTY FOR THE conrad-johnson Premier 1. conrad-johnson design, inc. warrants to the original purchaser that the Premier Ten will be free of defects in materials and workmanship for a period of three years from the date of original purchase.
- Page 3 Premier Ten Owner’s Manual...
- Page 4 The Premier Ten requires an ac power line providing between 108 and 125 volts at 50 to 60 Hz. Alternatively, the Premier Ten is optionally available for operation on 100, 220, or 240 volt power lines.
- Page 5 2. To use the tone controls, select Tape 2 on the Source Selector and use the Record Selector to select phono, tuner, cd or tape 1. By selecting the input directly on the source selector, the tone control processor will be bypassed. Premier Ten Owner’s Manual...
- Page 6 4 dB, so both channels will be present even in the extreme positions. In normal use the control will be centered. LEVEL: The Premier Ten volume control is a twenty-three position stepped attenuator, selecting among twenty-three pairs of precision resistors for each channel.
- Page 7 ACUUM TUBE REPLACEMENT The Premier Ten uses four vacuum tubes, all 6GK5s. This type has been carefully chosen for its particular circuit application. It is well known that tubes of a given type vary sonically depending on the manufacturer. We have chosen the brands of tubes we supply based on extensive auditioning of available brands with the choices being made solely on the basis of sonic performance without regard for either cost or prestige.
- Page 8 THE PREMIER TEN IS PHASE INVERTING. If your system has an odd number of inversions, then you must add one phase inversion. This will be the case if the Premier Ten is the only unit in the chain that inverts phase. THIS IS CONVENIENTLY DONE BY REVERSING THE POSI- TIVE AND NEGATIVE CONNECTIONS TO YOUR SPEAKERS (be sure to reverse both channels).
- Page 9 Consult your conrad-johnson dealer for recommendations for your spe- cific system. Warm up the Premier Ten before listening: The sonic performance of the Premier Ten improves noticeably as the unit warms up. The midrange becomes more lucid, the highs smoother, and the soundstage expands.
- Page 10 Distortion at 1.0 v output: less than .5% THD or IMD Phase: inverts phase of all inputs at main out Ouput impedance: less than 200 ohms Mechanical: Dimensions: : 19"W x 5.25"H x 16 3/8"D Net Weight: 28 lbs. Premier Ten Owner’s Manual...
- Page 11 SERVICE In the event your conrad-johnson Premier Ten stereo preamplifier re- quires service, repack it in the original packing material and ship via United Parcel Service (UPS) to: Service Department conrad-johnson design, inc. 2733 Merrilee Drive Fairfax, VA 22031 Be sure to include a copy of your sales receipt from the original pur- chase, along with a note explaining the problem you are having in as much detail as possible.
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