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P R E - A M P L I F I E R

MANUAL

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Summary of Contents for LD

Page 1: ...P R E A M P L I F I E R MANUAL ...

Page 2: ...CONTROLS џ network connection input outputs џ FX LOOP џ modes BRIGHT NORMAL second channel џ modes A250K A1M third channel џ external preamp control џ type location and purpose of lamps WIRING SCHEMES PREAMPLIFIER ELECTRICAL BLOCK SCHEMES SPECIFICATIONS EXAMPLES OF FACTORY PRESETS џ channel setting CH 1 CLEAN џ channel setting CH 2 LEAD 1 џ channel setting CH 3 LEAD 2 1 2 1 4 2 1 2 1 2 1 2 2 3 1 3...

Page 3: ... CH 3 LEAD 2 drive channel Channel switching is carried out both on the front panel and from the 2 button foot controller that comes with the preampliﬁer џ FX LOOP tube eﬀects loop with a choice of operating modes serial or parallel switching on oﬀ separately for clean drive channels control from a two button foot controller softening the sound of transistor and digital processing due to the use o...

Page 4: ...from the 70s and 80s Works well in other styles that don t require hi gain overdrive Transparent warm overtone rich sound harmonics shoot from under the ﬁngers even at low levels of the GAIN control The BRIGHT switch will add glass to your solos and the rhythm will sound sharper The presence of a 3 band post gain EQ and a PRESENCE control allow you to create a wide palette of sounds CH 3 LEAD 2 dr...

Page 5: ...ted on the nameplate or on the cover of the device џ in the event of a ﬁre unplug the power cord from the appliance џ reconnection of cables is carried out only when the equipment is turned oﬀ џ do not use excessive force when using the switches and controls џ avoid touching the heated lamps of the device џ turn oﬀ the device before replacing the lamps the cooled lamp must be removed from the base...

Page 6: ...d CH 3 are active 7 POWER ROUND OFF EDGE Modes ROUND more viscous compressed sound POWER LED Red glow power indicator MASTER Output level control setting the overall signal level for the three channels 1 2 3 OFF turned oﬀ EDGE sharper sharper sound 2 4 3 5 6 7 INPUT GAIN TREBLE MID BASS CH 1 LEAD CLEAN 1 INPUT Instrument input for connecting a guitar 1 5 GAIN Control of the overall gain and sensit...

Page 7: ...ontrols the amount of mid frequencies in the signal for the second channel LEAD 1 CH 2 and the third channel LEAD 2 CH 3 respectively 3 11 4 PRESENCE Transparency control for the second channel LEAD 1 CH 2 and the third channel LEAD 2 CH 3 respectively Allows you to control higher frequencies than the TREBLE control 5 12 13 MASTER Master volume for the second channel LEAD 1 CH 2 and the third chan...

Page 8: ...onnection to a mixer to recording devices or to a computer sound card Designed for recording with stack sound emulation 5 5 INPUT Instrument INPUT input for connecting a guitar 6 FX LOOP 1 SERIAL PARALLEL Switches from SERIAL FX LOOP to PARALLEL FX LOOP and vice versa SEND RETURN Controls the level of the signal sent by SEND to and returned by RETURN from the FX LOOP 3 LEAD CLEAN ON OF Turns the e...

Page 9: ...annel control controller and its execution is not speciﬁed in this manual ATTENTION Turn oﬀ the power before replacing lamps The cooled lamp must be removed from the base by slightly rocking in diﬀerent directions When replacing lamps install only serviceable lamps IN OFF TURN BACK PANEL CONTROLS modes A250K A1M third channel 1 A250K A1M Controls the GAIN knob for the third channel CH 3 LEAD 2 Swi...

Page 10: ...ects pedals Eﬀects Processor MIDI IN INPUT RELAY OUT FSW CH1 CH3 INPUT FX SEND FX RETURN OUTPUT Recording devices mixer Combo ampliﬁer Ampliﬁer Cabinets Two button foot controllers CH1 CH3 LOOP FSW LOOP FSW CH1 CH3 POWER AMP POWER INPUT LINE OUT INSTR INPUT FX RETURN REC OUT MIX SEND RETURN LEAD FX ON OFF CLEAN CH 2 BRIGHT NORMAL FX SERIAL CH 3 A250K A1M PARALLEL ...

Page 11: ...SEND RETURN FX LOOP SEND 25k SERIAL PARALLEL FX LOOP MODE SELECTOR MIX 25k 250k RETURN LEAD CLEAN SELECTOR MASTER SECTION 1M MASTER POWER AMP SECTION LINE BUFFER SECTION MIXER SECTION HEAD PHONES SECTION POWER AMP OUT LINE OUT REC OUT PHONE OUT INPUT BACK Switch back panel A250K or A1M A250K A1M PREAMPLIFIER ELECTRICAL BLOCK SCHEMES 4 2 R R SOUND AMPLIFICATION SL LD MultiGain PRE AMPLIFIER MANUAL ...

Page 12: ...ATIONS R R SOUND AMPLIFICATION SL LD MultiGain PRE AMPLIFIER MANUAL 4 3 џ input impedance 1 megaohm џ output impedance 25 kiloohm at maximum output signal level џ power consumption 40 Whatts џ mass 4 3 kg џ height 1U one rack space џ depth 180 mm ...

Page 13: ...AMPLIFIER MANUAL channel setting CH 1 CLEAN Transparent and clean Voiced Warm and round Rhythm Blues solo INPUT TREBLE MID BASS LEAD CLEAN GAIN CH 1 INPUT TREBLE MID BASS LEAD CLEAN GAIN CH 1 INPUT TREBLE MID BASS LEAD CLEAN GAIN CH 1 INPUT TREBLE MID BASS LEAD CLEAN GAIN CH 1 ...

Page 14: ...hythm Crunch Solo GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 LEAD LEAD LEAD LEAD EXAMPLES OF FACTORY PRESETS ...

Page 15: ... Metal 1 Мetal 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 GAIN CH 3 TREBLE MID BASS PRESENCE MASTER LEAD 1 LEAD 2 CH 2 LEAD LEAD LEAD EXAMPLES OF FACTORY PRESETS ...

Page 16: ...P R E A M P L I F I E R SUPPORT AND ORDER INFORMATION MANUAL WEB www rnramp com E MAIL rnr ampliﬁcation gmail com PHONE 7 999 968 94 00 ...

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