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Фрагмент инструкции
The Preamp Output can also be used to route the amplified signal to a mixing console, tape recorder, etc. Connect the Preamp Output, using a shielded cable, to an input of the tape recorder, mixer, etc. This patch does not affect the operation of the amplifier. NOTE: The preamp output level is approximately 1 volt RMS and is of relatively low impedance (600 ohms). Any effects device used in this effects loop must be capable of receiving 1 volt input and providing 1 volt output in order to properly drive the power amp. The Power Amp Input has an internal switch which disconnects the internal preamp. HEADPHONE JACK (12) This stereo jack allows signal to flow to both sides of any stereo headset. POWER LED (13) Illuminates when AC power is being supplied to the amp. POWER SWITCH (14) Depress to “On” position to turn on. 15 16 17 15 LINE (MAINS) CORD RETAINERS (15) Allow storage of mains cable for travel. GROUND SWITCH (16) Three position rocker-type switch which, in most applications, should be operated in its center or zero position. There may be some situations when audible hum and/or noise will come from the loudspeaker. If this situation arises, position the ground switch to either positive or negative ( + or -) or until the noise is minimized. NOTE: Should the noise problem continue, consult your Authorized Peavey Dealer, the Peavey Factory, or a qualified service technician. THE GROUND SWITCH IS NOT FUNCTIONAL ON 220/240 VOLT MODELS. LINE CORD (120V PRODUCTS ONLY) (17) For your safety, we have incorporated a 3-wire line (mains) cable with proper grounding facilities. It is not advisable to remove the ground pin under any circumstances. If it is necessary to use the equipment without proper grounding facilities, suitable grounding adaptors should be used. Less noise and greatly reduced shock hazard exists when the unit is operated with the proper grounded receptacles. TONE SETTINGS jn ROCK “EQUfiUZATION“ FUNK EQUALIZATION- 20)/ ,0)’ S-S-BTjg- 0 COUNTRY EQUALIZATION nn,c-" (Ö Tone settings given are general and will vary according to type of guitar, type and gauges of strings, type of pickup and even type of pick. Personal taste, playing style, and typo of music greatly contribute to desired tonality. SPECIFICATIONS POWER AMPLIFIER SECTION Rated Power & Load: 75W RMS into 8 ohms with DDT™ compression Power @ Clipping: (Topically) (1 kHz, 120 VAC line) 76 W RMS into 8 ohms @ Wo THD 84 W RMS into 8 ohms @ 5% Frequency Response: +0, -2 dB, 20 Hz to 20 kHz @ 70 W RMS into 8 ohms Total Harmonic Distortion: Less than 0.2%, 100 mW to 70 W RMS. 20 Hz to 10 kHz. 8 ohms, typically below 0.1% DDT™ Dynamic Range: Greater than 20 dB DDT™ Maximum THD: Below 0.6% THD for 6 dB overload Below 1% THD for 16 dB overload Hum & Noise: Greater than 90 dB below rated power Power Consumption: (Domestic) 200 watts @ 120 V AC, 50/60 Hz PREAMP SECTION The following specs arc measured @ I kHz wilh the Low. High & Graphic EQ @ 0 dB: Push Bright out (off); and Post Gain @ 10. Nominal levels are wilh Pre Gain @ 5: minimum levels are with Pre Gain 10. Preamp High Gain Input: Impedance: High Z, 220K ohms Nominal Input Level: -20 dBV. 100 mV RMS Minimum Input Level: -40 dBV, 10 mV RMS Maximum Input Level: +10 dBV, 3 V RMS Preamp Low Gain Input: Impedance: High Z, 44K ohms Nominal Input Level: -14 dBV, 200 mV RMS Minimum Input Level: -34 dBV, 20 mV RMS Maximum Input Level: +16 dBV. 6 V RMS Effects Patch Send: (High Pass Output) Load Impedance: 10 K ohms or greater Nominal Output Level: -12 dBV, 0.25 V RMS Maximum Output Level: +8 dBV, 2.5 V RMS Effects Patch Return: Impedance: High Z, 22K ohms Designed Input Level: -12 dBV, 0.25 V RMS (Remixes with Main Full Range Signal: designed for Low Level chorus or flange) Preamp Output: Load Impedance: IK ohms or greater Nominal Output Level: 0 dBV, 1 V RMS (At the DDT limit of 75W RMS Output) Maximum Output Level: +18 dBV, 8 V RMS Power Amp Input: Impedance: High Z, 22K ohms Designed Input Level: 0 dBV, 1 V RMS (Switching jack providing preamp output to power amp input connection when not used) Headphone Output: Load Impedance: 4 ohms or greater Nominal power output: 100 mW into 4 ohms (Stereo jack, monaural signal, disconnects internal speaker when phone plug is inserted) System Hum & Noise @ Nominal Input Level: (20 Hz to 20 kHz unweighted) 85 dB below rated power Equalization: Low & High: ±15 dB @ 80 Hz 6 8 kHz. shelving 7 Band Graphic: ±15 dB @ 80, 160, 340, 660, 1.3K, 2.6K. 5K, PEAK/NOTCH Push Bright: +8 dB @ 5 kHz BLOCK DIAGRAM CHORUS'EFFECTS PATCH RETURN HIGH INPUT LOW INPUT rn This block diagram shows signal flow within the unit. In order to thoroughly understand the unit’s functions, please study the diagram carefully. PRE PBP ACTIVE POST LJ PWR AMP GA,N GAIN LOW/HIGH - GAIN “1 P"! ™R. ftMp I N. fSw ACTIVE 7 6AN0 EO. . /77 AMP AMP Ni _/ 8 OHM SPEAKER CHORUS/EFFECTS PATCH SEND ESPAÑOL C...
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