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26 

 

11.

 

S

PECIFICATIONS 

 

M

ODEL

:

 

Q

UAD 

15 

Parameter 

Conditions/despription 

Value 

Dimensions 

Standard 19” rack mounting, 2 units 

W: 482 mm, H: 88.9 mm, D: 250 mm (excluding knobs and switches) 

Weight 

7.8 kg / 17.2 lbs.  

Vacuum tubes 

Preamp: 2 x ECC83, 1 x 5751, ECC81   -   Power amp: 1 x ECC83, 2 x 6V6 

Power supply 

Silicon rectifiers with MOSFET regulated HV and bias supply. Short circuit proof HV supply. 

Maximum power 

consumption 

~ 20 W power to speaker (clipped waveform) 

~ 55 W 

Idle power consumption 

No power to speaker 

~ 45 W 

Ambient temperature 

range 

No ventilation holes blocked 

- 10 °C to 50 °C 

Thermostat disconnect 

temperature 

(Only occurs during faults, blocked ventilation holes or extreme 

ambient temperatures) 

~ 70 °C 

MIDI 

Program Messages, all MIDI-channels accepted. 128 storable presets 

MIDI  input connector 

For 5 pin DIN cable: Pin 4 & 5: MIDI-signal, Pin1: GND, Pin 3: +12V Phantom power 

For 7 pin DIN cable: Pin 4 & 5: MIDI-signal, Pin1&6: GND, Pin 3&7: +12V phantom power 

MIDI  thru connector 

5 pin DIN connector, Pin 4 & 5 MIDI-signal (buffered) 

Phantom power 

(MIDI IN connector) 

Voltage  

12 V  

Max current 

400 mA  

Audio inputs and outputs 

INPUT front 

Input impedance, tip or ring to ground 

1022 kohm (Hi-Z) 

INPUT rear 

Input impedance 

22 kohm (Lo-Z) 

GUITAR OUT 

Output impedance (buffered signal from front input) 

1 kohm for each output 

SEND - output 

Send connector, tip, signal level 

Output impedance 

250 mV

RMS

 (-10 dBV) 

~ 430 ohm 

Send connector, ring, signal level 

Output impedance 

1.4 V

RMS

 (+4 dBu) 

~ 4400 ohm 

RETURN - inputs 

Return -10 dBV, signal level 

Input impedance 

~ 250 mV

RMS

 (-10 dBV) 

~ 10 kohm 

4 dBu, signal level 

Input impedance 

1.3 V

RMS

 (+4 dBu) 

~ 40 kohm 

AMP OUT – to slave 

Signal level, output impedance 

1.3 V

RMS

 (+4 dBu), ~ 200 ohm 

Speaker outputs 

Impedance 

Min. 8 ohm total 

Maximum output voltage 

+/- 25 V

PEAK

 

Max power, sine wave, 8 ohm to 16 ohm load 

~ 15 W 

Max power, clipped sine wave, 8 ohm to 16 ohm load 

~ 20 W 

Frequency response (-3 dB), internal speaker emulator load, sine 

wave to return input. 

40 Hz to 20 kHz 

 
 

 

 

Website: www.roaramps.com 

© ROAR amplification, Copenhagen, Denmark, 2021 

Содержание Quad 15

Страница 1: ...uction 3 AC input AC outlets Mains 4 Connections Audio MIDI 5 Preamp Channel description 6 Power Attenuator 7 Control Programming with MIDI 8 Setup Examples 9 Programmable MIDI controlled pickup switc...

Страница 2: ...Do not connect a speaker cable to any of the speaker outputs without connecting the cable to a speaker cabinet 12 Servicing and replacement of tubes and fuses shall be performed by qualified service p...

Страница 3: ...15 can be installed in a standard 19 rack case Screws not included Leave some space between the Quad15 and the bottom or top of the rack case for ventilation When mounting other units above or underne...

Страница 4: ...all functions in detail Further information is available at www roaramps com to find soundclips and instructional videos 2 1 FRONT PANEL 2 2 REAR PANEL 3 AC INPUT AC OUTLETS MAINS Power up other devic...

Страница 5: ...ain 4 4 PRE GAIN LOOP GUITAR OUT INPUT REAR Before the input signal hits any of the four preamp channels you can insert an effect pedal etc in the pre gain loop Lower GUITAR OUT Input effect pedal Out...

Страница 6: ...both on Parallel loop Most multi effect units are equipped with a Kill dry function which only lets the processed wet signal through This is useful when you let the Quad15 mix the dry and wet signals...

Страница 7: ...ower speaker jack must be used first It is safe to use the Quad 15 as a preamp only when no speaker cables are connected to the speaker outputs Speaker s connected Speaker jacks Output power Sinusoida...

Страница 8: ...boomy bass the bass resonance can be turned down to tighten up the bass Tone mid 3 way switch for different clean tones High Mids and Highs boosted Lots of mids and sparkling highs Works well with gu...

Страница 9: ...ke the classic amps from the 80 s With moderate low cut before the gain stages the bass response is defined but not as chunky as the Rhythm channel Low Brown Overdrive Classic tube overdrive with less...

Страница 10: ...is dynamic and punchy with lots of growl clarity and chord definition Higher gain settings make the bass more wet Full treble response for defined pick attacks Diode Hi gain with very tight bass resp...

Страница 11: ...onse Balanced hi gain character with great definition for both single notes and chords even at maximum gain for solos This mode also works well for single coil guitars with very pronounced pick attack...

Страница 12: ...ile classic bass controls in the EQ section often lead to muddy bass if turned up too high the Bass resonance adds big and punchy bass while retaining clarity On the contrary you can tighten up the ba...

Страница 13: ...lower upper mids Turn up the treble to add presence or lower the Bass resonance control if necessary In a mix this setting gives a more leaned back sound to give space to other instruments The graph s...

Страница 14: ...nternal load in a way so that the 6V6 power tubes are operated at their optimal point at all times In this way a natural sounding power tube overdrive is achieved even at very low sound levels and wit...

Страница 15: ...e Dry signal from the preamp only Return signal from the the Return input jacks only Both Dry and Return inputs are mixed and fed to the power amp No signal to the power amp 7 2 PROGRAMMING THE QUAD15...

Страница 16: ...speakers this setup is adequate for small clubs etc Disclaimer You never know with a hard hitting drummer The built in Power Attenuator lets you keep the desired power amp tone overdrive at all sound...

Страница 17: ...irm bass response even at very high sound levels The top cabinet is only driven by 15W and won t pierce your ears when you re standing close to your amp Nor bleed too much into vocal mics Your signatu...

Страница 18: ...ty and convenience 8 4 THE QUAD15 AS A PREAMP ONLY Use the Quad15 as a preamp only unit Do not connect any cables to any of the Speaker out jacks on the rear panel Thanks to the internal speaker emula...

Страница 19: ...or your favorite EQ Noise gate delay tremolo etc Programmable Connect a mono jack cable from the Quad15 s AMP OUT jack to the stereo effect processor for stereo effects like delay reverb chorus phaser...

Страница 20: ...ording Connect Wah pedals Overdrive pedals Treble boosters etc before the Front input of the Quad15 Be aware of ground loops when re amping Twist two jack cables to connect the Quad 15 to your DAW s i...

Страница 21: ...guitar for programmable pickup switching with the Quad 15 is shown above A stereo jack cable is required along with two volume pots or one double pot To be able to use your guitar with standard mono...

Страница 22: ...ts list 1 x Potmeter 500k log w switch 1 x Jack connector stereo 1 x Potmeter 500k log keep original 1 x Pickup switch keep original Mono cable This setup allows you to use your guitar with a standard...

Страница 23: ...ay you re used to Keep the Push pull switch in Push position One master volume control and one master tone control Stereo cable Connect your guitar to the Quad 15 with a stereo jack cable Pull the Ton...

Страница 24: ...ur guitar with a standard jack cable with any amp the way you re used to Keep the Push pull switch in Pushed position One master volume control and one master tone control Stereo cable Connect your gu...

Страница 25: ...n anti clocklwise turn off power immediately The Quad15 is primarily designed for modern 6V6 types of power tubes which typically allows an absolute maximum plate dissipation of 14 watts Some types of...

Страница 26: ...GND Pin 3 7 12V phantom power MIDI thru connector 5 pin DIN connector Pin 4 5 MIDI signal buffered Phantom power MIDI IN connector Voltage 12 V Max current 400 mA Audio inputs and outputs INPUT front...

Страница 27: ...27...

Страница 28: ...28 www roaramps com ROAR amplification Copenhagen Denmark 2021...

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