Conrad-johnson design MV52 Скачать руководство пользователя | Manualshive

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Congratulations

on your purchase of the conrad-johnson MV52 ampli-

fier. You have acquired one of the finer pieces of musical reproduction
equipment available today. You will find it to be capable of reproducing
with great accuracy the dynamics, tonalities, and textures of live musical
performances. 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 featues and capabilities of your MV52.

MV52 Owner’s Manual

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Содержание MV52

Страница 1: ...u will find it to be capable of reproducing with great accuracy the dynamics tonalities and textures of live musical performances 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 featues and capabilities of your MV52 MV52 Owner s Manual 1 ...

Страница 2: ...t and insurance prepaid by conrad johnson design Replacement cartons are available from the factory for a nominal charge d Normal wear and maintenance are not covered by this warranty 3 The above warranty may be transferred to subsequent owners pro vided that the warranty registration card has been returned to conrad johnson design inc within 30 days of the original purchase and that the registere...

Страница 3: ...on design inc 2800 R Dorr Avenue Fairfax VA 22031 REGISTERING THE WARRANTY Please return the enclosed card to the factory within 30 days of pur chase to register the warranty Proper registration of the warranty is important It will enable us to inform you of any alterations in the design of a given model and of any new products we offer which are likely to be of interest to you MV52 Owner s Manual...

Страница 4: ...ovide balanced low impedance drive to the push pull output stage The output stage features ultralinear operation which permits high power levels while greatly reducing the source impedance of the stage As a result the amplifier is capable of supplying the large current demands of high amplitude musical transients driven into reac tive speaker loads A substantial main power supply of massive polypr...

Страница 5: ...s not impeded About eight inches of the front of the rack should be left open above the unit To minimize hum pickup keep the unit well away from the preamplifier and turntable and route power cords away from input cables THE MV52 IS TO BE OPERATED ONLY ON AC LINE VOLTAGE OF 108 TO 125 VOLTS The MV52 is optionally available wired for 100 volt 120V 220V or 240 volt 50 60 Hz current CONNECTION INPUT ...

Страница 6: ...mally be achieved by taking care to connect the wire from the 4 8 or 16 ohm amplifier terminal marked on each channel to the red or coded terminal on each speaker and connecting the C tap to the black or coded terminal on each speaker In phase connection of the speakers can be readily ascertained by ear With the preamplifier mode switched into the MONO position play a record of a solo vocalist Wit...

Страница 7: ... capable of distinguishing these positive transients from the musically unnatural alternative of a negative transient an initial fall in air pressure In your stereo system these transients are created by your loudspeakers If the speakers respond to musical transients by first moving out they are creating a rise in pressure and the system is said to be phase correct If they respond by moving in the...

Страница 8: ...e available which will permit a reference quality system to blossom and fulfill its promise of musical reality Others will strangle the sytem to the point where it becomes no better than average To complicate matters our experience suggests that the choice of interconnects will be system dependent those that are ranked first on a given system may be a poor choice for a different system Consult you...

Страница 9: ...tubes are individually biased replace ment tubes need not be matched pairs No a c balance adjustment is necessary It is necessary to re bias the amplifier when the output tubes are replaced The MV52 has built in bias indicators so that no instru ments are required to make this adjustment ADJUSTING OUTPUT TUBE BIAS Biasing the amplifier is a simple procedure that can easily be done by the owner Onl...

Страница 10: ...e fuse a BUSS BBS 1 An LED near the fuse holder will light when the fuse is blown What happens when the fuse blows If one of these fuses should blow it usually indicates a marginal EL34 tube one of two for each channel and an attempt should be made to identify and replace it by either a replacing the fuse and turning on the amp while watching the EL34s carefully look for a bright white or blue fla...

Страница 11: ... at no more than 1 total harmonic distortion or intermodulation distortion Sensitivity 750 mv to full power Small Siganal Distortion Less than 1 at midband Phase Phase correct non inverting Frequency response 20Hz to 20KHz 0 5dB Hum and noise 90dB below full power output Input impedance 100K ohms Dimensions 11 5D x 19W x 9H inches Weight 39 lbs MV52 Owner s Manual 11 ...

Страница 12: ...00R Dorr Avenue Fairfax VA 22031 Be sure to enclose a note explaining the problem you are having in as much detail as possible If the problem is intermittent please indicate If you do not have the original packing material replacements are avail able from conrad johnson design at a nominal charge If the unit is under warranty be sure to enclose a copy of your receipt as proof of purchase MV52 Owne...

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