Conrad-johnson design Evolution 20 Скачать руководство пользователя страница 13

SERVICE

In the event your conrad-johnson Evolution 20 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. If the problem is intermittent, please indicate. If
you do not have the original packing material, replacements are avail-
able from conrad-johnson design for a nominal charge.

EVOLUTION 20 OWNER’S MANUAL

12

Содержание Evolution 20

Страница 1: ...Conrad Johnson Owner s Manual Evolution 20 Vacuum Tube Preamplifier conrad johnson It just sounds right...

Страница 2: ...establish the reference standard among pream plifiers for reproducing the dynamics tonalities textures and ambience of a live musical performance The design and materials have been carefully selected...

Страница 3: ...ign 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...

Страница 4: ...register the warranty The warranty may be transferred to a new owner if it has been properly registered initially and if the registered owner sends a signed notice providing the name and address of th...

Страница 5: ...lization required by moving magnet and most moving coil cartridges The phono input impedance can be selected by a back panel switch The options are 70 100 150 250 470 1k 2k 5k 10k and 47k ohms Most mo...

Страница 6: ...this USE OF EXTERNAL TONE CONTROLS OR OTHER EXTERNAL SIGNAL PROCESSING DEVICES Use Tape 1 and Record 1 for your tape recorder Connect the output of the tone controls to Tape 2 and the input of the ton...

Страница 7: ...used to choose an input for listening RECORD SELECTOR PHONO TUNER CD TAPE 1 TAPE 2 This control selects the signal to the record outputs allowing the user to record one source while listening to anot...

Страница 8: ...of no vacuum tubes available which will improve the sonic performance of your Evolution 20 In addition the tubes in your preamplifier have been tempered by a controlled burn in procedure that permits...

Страница 9: ...EVOLUTION 20 TUBE COMPLEMENT V1 and V2 type 6CW4 V3 V10 type 6GK5 V3 V1 V2 V4 V8 V7 V5 V6 V10 V9 EVOLUTION 20 OWNER S MANUAL 8...

Страница 10: ...al 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 they create a fall in pressure and the system is said to...

Страница 11: ...em 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 s...

Страница 12: ...20Hz 20KHz 80dB below 10mv input Line Level Section Gain 29dB Maximum Output 20V Bandpass 2Hz to more than 100kHz Hum and noise 88dB below 2 5V output Distortion at 1 0 v output less than 25 THD or IM...

Страница 13: ...esign 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...

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