Owner’s Manual
HAND-CRAFTED TONE
1
Designed and Engineered by Blackstar Amplification UK
IMPORTANT SAFETY INSTRUCTIONS
1. |
Read these instructions. |
|
2. |
Keep these instructions. |
USA |
3. |
Heed all warnings. |
|
|
|
/ |
4. |
Follow all instructions. |
Canada |
6. |
Clean only with dry cloth. |
|
5. |
Do not use this apparatus near water. |
|
7. |
Do not block any ventilation openings. |
|
8. |
Install in accordance with the manufacturer’s instructions. |
|
9. |
Do not install near any heat sources such as radiators, heat registers, stoves, or |
|
|
other apparatus (including amplifiers) that produce heat. |
|
10. Do not defeat the safety purpose of the polarized or grounding-type plug. A |
|
|
|
polarized plug has two blades with one wider than the other. A grounding type |
|
|
plug has two blades and a third grounding prong. The wide blade or the third |
|
|
prong are provided for your safety. If the provided plug does not fit into your |
|
|
outlet, consult an electrician for replacement of the obsolete outlet. |
|
11. Protect the power cord from being walked on or pinched particularly at plugs, |
|
|
|
convenience receptacles, and the point where they exit from the apparatus. |
|
12. Only use attachments/accessories specified by the manufacturer. |
|
|
13. Unplug this apparatus during lightning storms or when unused for long periods |
|
|
|
of time. |
|
14. |
Refer all servicing to qualified service personnel. Servicing is required when the |
|
|
apparatus has been damaged in any way, such as the power-supply cord or plug |
|
|
is damaged, liquid has been spilled or objects have fallen into the apparatus, the |
|
|
apparatus has been exposed to rain or moisture, does not operate normally, or |
|
|
has been dropped. |
|
“TO COMPLETELY DISCONNECT THIS APPARATUS FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTACLE”.
“WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE AND OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED ON THIS APPARATUS”.
This symbol is intended to alert the user to the presence of important operation and maintenance (servicing) instructions in the literature accompanying the appliance.
This symbol is intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
3
English
Warning!
Important safety information!
READ THE FOLLOWING INFORMATION CAREFULLY. SAVE ALL INSTRUCTIONS FOR FUTURE REFERENCE!
Follow all warnings and instructions marked on the product!
Danger! High internal operating voltages
Do not open the equipment case. There are no user serviceable parts in this equipment. Refer all servicing to qualified service personnel.
Clean only with a dry cloth.
Condensation can form on the inside of an amplifier if it is moved from a cold environment to a warmer location. Before switching the unit on, it is recommended that the unit be allowed to reach room temperature.
Unauthorised modification of this equipment is expressly forbidden by Blackstar Amplification Ltd.
Never push objects of any kind into ventilation slots on the equipment casing.
Do not expose this apparatus to rain, liquids or moisture of any type.
Follow all warnings and instructions marked on the product!
Do not place this product on an unstable trolley, stand or table. The product may fall, causing serious damage to the product or to persons!
Do not cover or block ventilation slots or openings.
This product should not be placed near a source of heat such as a stove, radiator, or another heat producing amplifier.
Use only the supplied power cord which is compatible with the mains voltage supply in your area.
Power supply cords should always be handled carefully and should be replaced if damaged in any way.
Never break off the earth (ground) pin on the power supply cord.
The power supply cord should be unplugged when the unit is to be unused for long periods of time.
Before the unit is switched on, the loudspeaker should be connected as described in the handbook using the lead recommended by the manufacturer.
Always replace damaged fuses with the correct rating and type.
Never disconnect the protective mains earth connection.
High loudspeaker levels can cause permanent hearing damage. You should therefore avoid the direct vicinity of loudspeakers operating at high levels. Wear hearing protection if continuously exposed to high levels.
If the product does not operate normally, when the operating instructions are followed, then refer the product to a qualified service engineer.
The U.S. Government´s Occupational Safety and Health Administration (OSHA) has specified the following permissible noise level exposures:
Duration Per Day In Hours |
Sound Level dBA, Slow Response |
8 |
90 |
6 |
92 |
4 |
95 |
3 |
97 |
2 |
100 |
1½ |
102 |
1 |
105 |
½ |
110 |
¼ or less |
115 |
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss.
Ear plug protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.
All electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities.
English
4 |
|
|
|
|
|
|
5 |
|
|
|
|
|
|
||
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
English
Introduction
Thank you for purchasing this Blackstar Artisan 30 handwired combo.
The Artisan 30 is the result of countless hours of painstaking Research and
Development by our world class design team. Based in Northampton (UK), the
Blackstar team are all experienced musicians themselves and the sole aim of the development process is to provide guitarists with products which are the ultimate tools for self expression.
Realising the skills and expertise of over thirty years of valve guitar amplifier design experience, the Artisan 30 represents a new level in handwired design, tone and build quality.
All Blackstar products are subject to extensive laboratory and road testing to ensure they are truly uncompromising in terms of reliability, quality and above all TONE!
If you like what you hear and want to find out more about the Blackstar range of products please visit our website at www.blackstaramps.com.
Thanks!
The Blackstar Team
Features
The Artisan 30 is inspired by some of the most revered combos in guitar amplifier history. The design is in the classic 30W / 2x12 combo format and is very simple to use and yet highly flexible in functionality and tone.
The Artisan Series of handwired amplifiers represents the absolute highest standard of craftsmanship and boutique tone. With the emphasis on simplicity and sonic purity, every feature has been refined to provide the artist with the widest range of reference vintage tones. This is achieved by the design of electronic circuits that work in harmony with the finest components and materials available.
The Artisan 30 is built to last a lifetime and effortlessly combines vintage style and rugged, road tested reliability. The point-to-point tag board construction, welded steel chassis and finger-jointed birch-ply cabinet are complemented by beautiful vintage red Tolex and etched aluminium panels.
Technical Information
Power Amplifier
The Artisan 30 power amplifier uses four EL84 power pentode valves in Class A. The EL84s used are graded in terms of quiescent operating point and transconductance giving excellent hum performance and dynamic feel.
The Artisan 30 power amplifier operates in two modes, namely pentode (30W) or triode (10W), depending on the setting of the Power Amplifier Mode control.
In pentode mode the power amplifier has a dynamic response which is rich in bell like harmonics and has a beautiful ringing top end. The triode mode allows the generation of the critical power amplifier harmonic distortion at a much lower volume but is darker and more mellow sounding with a rounder top end. The lower power setting is particularly effective for home and studio use.
The power amplifier is further enhanced by using a cathode coupled phase splitter to provide the best possible balance in the power amplifier drive and hence superb dynamic response. In keeping with the vintage sonic signature of the Artisan 30, the use of a valve rectifier adds compression to the power amplifier response and is critical in generating its feel and responsiveness. The GZ34 valve rectifier used in the Artisan 30 is also found in other classic designs.
With an amplifier that is built to last reliability of the electronic circuitry is essential and therefore all the other power amplifier and power supply components are also over-specified for the best possible reliability.
Preamplifier
Channel 1 – The EF86 Channel
Hi/Lo inputs provide perfect matching either directly to the guitar (high sensitivity) or for connection to higher output effects pedals (low sensitivity).
This channel is based on the EF86 preamplifier pentode valve. Originally, this valve was most commonly used in high-end audio applications due to its high gain, low noise characteristics. However, in very early American guitar amplifier designs a pentode was used in the preamplifier circuit. The use of a pentode in these early designs provided unique gain and compression characteristics which make these amplifiers so revered for studio use today.
In keeping with the reference American designs, the extra gain of the EF86 of the
Artisan 30 allows the power amplifier to be driven harder for more compression and rich harmonic distortion. The EF86 also adds its own particular compression and distortion flavour to this channel making Channel 1 a dream to record with.
The 5-position Bass Shape switch controls the bass drive into the power amplifier and enables the user to quickly and easily select from a wide palette of tonal options from bright and glassy through to fat and smooth.
The tone control circuit is unusual in its position across the anode of the EF86. This retro type of design offers a complex response that works in harmony with the dynamics of the player’s attack.
English
6 |
|
|
|
|
7 |
|
|
|
|
|
|
English
The extra gain of the EF86 allows the power amplifier to be driven harder for more compression and rich harmonic distortion. The EF86 also adds its own particular compression and distortion flavour to this channel.
Channel 2 – The ECC83 Channel
Hi/Lo inputs provide perfect matching either directly to the guitar (high sensitivity) or for connection to higher output effects pedals (low sensitivity).
This channel’s tone is most easily described as a blend between a boutique EL84 combo and classic British 100W head. The philosophy is to deliver the bell-like ring and richness of a warm, retro combo with the added openness and roar of a vintage high wattage head.
The flexibility of this channel is further enhanced by the addition of the 2-position Voice switch which completely reconfigures the tone shaping network to give either a ‘Warm’ or ‘Bright’ response.
Transformers
All Artisan transformers are traditionally made from the highest grade materials to
Blackstar’s demanding sonic and reliability specifications.
Output Transformers
The design of the output transformers is critical to ensuring highly responsive feel and a full natural frequency response.
All the Artisan output transformers are constructed using laminations made of the highest grade, grain oriented steel. This minimises core losses and ensures optimum fidelity and dynamics.
Mains Transformer
The Artisan mains transformers are also constructed using laminations made of the highest grade, grain oriented steel. This minimises stray magnetic fields which can be a source of unwanted noise and hum.
Front Panel
Channel 1
1. Hi Input
This is the high sensitivity input of Channel 1. This input has 6dB more (i.e. twice as much) gain as the Lo Input. Use this input if you wish to achieve power amplifier break-up and overdrive. Always use a high quality screened guitar lead.
2. Lo Input
This is the low sensitivity input of Channel 1. This input has 6dB less (i.e. half as much) gain as the Hi Input. Use this input if you wish the power amplifier to remain clean (this is especially useful if the guitar used has high output pick-ups). Always use a high quality screened guitar lead.
3. Volume
This controls the volume of Channel 1. Turning it clockwise increases the volume. The EF86 used in Channel 1 provides higher levels of gain and distortion than the ECC83 in Channel 2 and its own unique compression characteristics. This channel will sing with sustain and give you all the drive you need for classic bluesy lead tones. Remember that you can use the Lo Input of Channel 1 to experiment with the clean side of the EF86’s tonal character.
4. Tone
This passive control affects the tonal characteristics of Channel 1. Fully counterclockwise the tone is thick and dark, turning it clockwise increases the amount of treble and the tone becomes more shimmering and bright.
5. Bass Shape
This 5-position switch controls the bass drive into the power amplifier and enables the user to quickly and easily select from a wide palette of tonal options, from bright and glassy through to fat and smooth. In position 1 the tone is sharp with a tight, funky bottom end. In position 2 the tone is firm with lower mids. In position 3 the tone achieves a more even balance across the mid range and bass. In position 4 the tone becomes richer and deeper. Position 5 offers the warmest, fullest tone of the five positions.
Channel 2
6. Hi Input
This is the high sensitivity input of Channel 2. This input has 6dB more (i.e. twice as much) gain as the Lo Input. Always use a high quality screened guitar lead. Use this input if you wish to achieve power amplifier break-up and overdrive.
7. Lo Input
This is the low sensitivity input of Channel 2. This input has 6dB less (i.e. half as much) gain as the Lo Input. Always use a high quality screened guitar lead. Use this input if you wish the power amplifier to remain clean. This input is especially useful if the guitar used has high output pick-ups.
English
8 |
|
|
|
|
9 |
|
|
|
|
|
|
English
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
|
8. Gain |
|
|
|
|
|
|
|
|
|
15. Power Amplifier Mode Switch – 10 Watts / 30 Watts |
|
|
|||
The Gain control adjusts the amount of Channel 2’s overdrive or distortion. Low settings, counter clockwise, will deliver a clean sound on the edge of break-up.
As the Gain control is increased clockwise the sound will become more overdriven moving through beautiful crunch tones.
9. Voice
The 2-position Voice switch completely reconfigures the interstage prevoicing emphasis circuit to give either a ‘Warm’ or ‘Bright’ response.
10. Bass
This control affects the low frequencies. Turning it clockwise increases the amount of bass present.
11. Middle
This control affects the mid range frequencies. Turning it clockwise increases the amount of mid present.
12. Treble
This control affects the hig-end frequencies. Turning it clockwise increases the amount of treble present.
13. Volume
This controls the volume of Channel 2. Turning it clockwise increases the volume. At low volume levels the amplifier will produce exquisite, bell-like clean tones that are definitively Class A in their character. As the volume is increased the tone becomes fatter and more compressed as the power valves reach saturation. Further increases in volume produce a wonderful tone as the power amplifier valves move into full distortion. This type of valve power amplifier clipping produces the most natural guitar distortion of all which reacts to every nuance of the guitarist’s playing style.
Master
14. Power Indicator Light
The power indicator will light when the amplifier is switched on.
This switch changes the power amplifier from triode mode (10 Watts) to pentode mode (30 Watts).
In triode mode the tone is round and bluesy with a mellow top end for laid back soloing. The triode mode also has the benefit of producing more saturated distortion tones at lower output levels which makes this mode ideal for recording and practice.
The pentode mode produces a more dynamic feel and is louder and more punchy than the triode mode. This setting is recommended for dynamic clean sounds and pushier sounding crunch tones. This is a great setting for rehearsals and small club gigs.
See the Modes of Operation Table below for the different configurations possible.
Modes of Operation Table
Mode |
Preamplifier |
Power Amplifier Mode Setting |
Description |
1 |
Channel 1 |
Triode |
EF86 / 10W |
2 |
Channel 2 |
Triode |
ECC83 / 10W |
3 |
Channel 1 |
Pentode |
EF86 / 30W |
4 |
Channel 2 |
Pentode |
ECC83 / 30W |
5 |
Channel 1 / Channel 2 |
Triode |
Blended 10W |
6 |
Channel 1 / Channel 2 |
Pentode |
Blended 30W |
16. Standby
This switch applies the H.T. (High Tension) voltage required to produce sound. Always turn this switch on at least 30 seconds after the Power switch (17) and off at least 30 seconds before the Power switch. During short breaks in playing use just this switch to turn ‘off’ and ‘on’ the amplifier’s output.
17. Power
This switch is used to turn the amplifier on and off. You should always turn this switch on before turning on the Standby switch (16).
English
10 |
|
|
|
|
11 |
|
|
|
|
|
|
English
5 |
4 |
3 |
2 |
1 |
English
Rear Panel
1. Speaker Outputs
There are two parallel speaker outputs for connecting the internal speakers and/ or an external speaker cabinet. When connecting speakers always ensure that the
Impedance Selector (2) is set correctly.
2. Impedance Selector
This control matches the amplifier’s impedance to that of the connected speakers.
Always ensure that the selected impedance matches that of the internal and/or external speaker cabinets.
The Artisan 30’s internal speakers are 16 Ohms each. They are wired in parallel giving a total impedance of 8 Ohms, so the impedance Selector must be set to 8
Ohms. If an additional 8 Ohm speaker cabinet is used together with the internal speakers the Impedance Selector should be set to 4 Ohms. A speaker cabinet of less than 8 Ohms should not be used together with the internal speakers.
WARNING: The amplifier must always be completely powered down before adjusting the setting of the Impedance Selector. Failure to do this, or to correctly match the impedance of the amplifier and speakers, will damage the amplifier.
3. H.T. Fuse
The value of the H.T. Fuse is specified on the rear panel. Never use a fuse of the incorrect value or attempt to bypass it.
4. Mains Fuse
The value of the Mains Fuse is specified on the rear panel. Never use a fuse of the incorrect value or attempt to bypass it.
5. Mains Input
The supplied detachable mains lead is connected here. The lead should only be connected to a power outlet that is compatible with the voltage, power and frequency requirements stated on the rear panel. If in doubt get advice from a qualified technician.
12
Channel Blending
The Artisan 30’s topology allows the blending of the two channels. By paralleling the guitar connection to the inputs of Channel 1 and Channel 2 (see Figure 1 and Figure
2 below) endless tonal variations can be explored.
Figure 1 |
Figure 2 |
Technical Specification
Power (RMS): 30 Watts or 10 Watts (Switchable)
Valves: 1 x GZ34, 4 x EL84, 3 x ECC83, 1 x EF86
Weight (kg): 35
Dimensions (mm): 715 x 569 x 263
13
Deutsch
Wichtige Informationen zur Sicherheit!
LESEN SIE DIE FOLGENDEN INFORMATIONEN SORGFÄLTIG DURCH. BEWAHREN SIE ALLE ANLEITUNGEN FÜR DIE ZUKÜNFTIGE BEZUGNAHME AUF
Befolgen Sie alle auf dem Produkt ausgewiesenen Warnungen und Anleitungen!
Gefahr! Hohe interne Betriebsspannungen
Öffnen Sie nicht das Gehäuse des Geräts. Es befinden sich keine vom Anwender zu wartende Teile in diesem Gerät. Überlassen Sie alle Servicearbeiten qualifiziertem
Wartungspersonal.
Nur mit einem trockenen Lappen reinigen
Auf der Innenseite eines Verstärkers kann sich Kondensationsnässe bilden, wenn er von einer kalten Umgebung an einen wärmeren Ort bewegt wird. Es wird empfohlen, dass das Gerät vor dem Einschalten Zimmertemperatur erreicht.
Unerlaubte Änderungen an diesem Gerät sind ausdrücklich von Blackstar Amplification Ltd verboten.
Stecken Sie niemals Objekte jeglicher Art in die Lüftungsschlitze des Gehäuses.
Setzen Sie dieses Gerät nicht Regen, Flüssigkeiten oder Feuchtigkeit jeglicher Art aus.
Befolgen Sie alle auf dem Produkt ausgewiesenen Warnungen und Anleitungen!
Platzieren Sie dieses Produkt nicht auf einem instabilen Rollwagen, Ständer oder
Tisch. Das Produkt kann herunterfallen und dem Produkt oder Personen ernsthaften
Schaden zufügen!
Blockieren oder verdecken Sie nicht die Lüftungsschlitze oder -öffnungen.
Dieses Produkt sollte nicht in der Nähe einer Wärmequelle wie einem Ofen, Heizkörper oder einem anderen Hitze entwickelnden Verstärker platziert werden.
Verwenden Sie nur das zum Lieferumfang gehörende Netzkabel, das mit der
Netzstromversorgung in Ihrer Region kompatibel ist.
Netzkabel müssen stets mit Vorsicht gehandhabt und ersetzt werden, wenn sie in irgendeiner Weise beschädigt werden.
Brechen Sie niemals den Erdungsstift (Erde) am Netzkabel ab.
Das Netzkabel sollte aus der Steckdose gezogen werden, wenn das Gerät längere Zeit nicht verwendet wird.
Bevor das Gerät eingeschaltet wird, muss der Lautsprecher entsprechend der
Beschreibung im Handbuch unter Verwendung des vom Hersteller empfohlenen Kabels angeschlossen werden.
Ersetzen Sie beschädigte Sicherungen stets mit der korrekten Spannung und Art.
Trennen Sie niemals die schützende Netz/Erde-Verbindung.
Hohe Lautsprecherpegel können permanente Hörschäden verursachen. Sie sollten daher die direkte Nähe zu Lautsprechern, die auf hohen Pegeln betrieben werden, vermeiden. Tragen Sie einen Hörschutz, wenn Sie kontinuierlich hohen Pegeln ausgesetzt sind.
Wenn das Produkt nicht normal funktioniert, während die Betriebsanleitung befolgt wird, übergeben Sie das Produkt an einen qualifizierten Servicetechniker.
Die Verwaltung zur Gesundheit und Sicherheit am Arbeitsplatz der US-Regierung (OSHA) hat die folgenden zulässigen Lärmpegelbelastungen festgelegt:
Dauer pro Tag in Stunden |
Lärmpegel dBA, Langsame Reaktion |
8 |
90 |
6 |
92 |
4 |
95 |
3 |
97 |
2 |
100 |
1½ |
102 |
1 |
105 |
½ |
110 |
¼ oder weniger |
115 |
Laut der OSHA kann jede Belastung oberhalb der oben genannten zulässigen Grenzwerte zu gewissen Hörverlusten führen.
Wenn dieses Verstärkersystem betrieben wird, müssen Ohrschützer im Ohrkanal oder über den Ohren getragen werden, um permanenten Hörverlust zu vermeiden, wenn die Belastung oberhalb der oben festgelegten Grenzwerte liegt. Um sich gegen potenziell gefährliche Belastungen durch hohe Schalldruckpegel zu schützen, wird empfohlen, dass alle Personen, die Geräten wie diesem Verstärkersystem ausgesetzt sind, die in der Lage sind, hohe Schalldruckpegel zu entwickeln, während des Betriebs dieses Geräts durch Ohrschützer geschützt werden.
Alle Elektround Elektronik-Altgeräte müssen getrennt vom Hausmüll
über dafür staatlich vorgesehenen Stelen entsorgt werden.
Deutsch
14 |
|
|
|
|
|
|
15 |
|
|
|
|
|
|
||
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
Deutsch
Einleitung
Vielen Dank, dass Sie sich zum Kauf dieses handverdrahteten Blackstar Artisan 30
Comboverstärkers entschieden haben.
Der Artisan 30 ist das Ergebnis zahlloser Stunden akribischer Forschungsund Entwicklungsarbeit unserer erstklassigen Konstruktionsabteilung. Die Mitglieder des im britischen Northampton ansässigen Blackstar-Teams sind selbst erfahrene
Musiker, die gemeinsam ein Ziel verfolgen: Gitarristen Produkte für die ultimativen Selbstverwirklichung in Sachen Sound zu bieten.
Gestützt auf eine über dreißigjährige Fachkompetenz und Erfahrung im Röhrenverstärkerbau, erreicht der Artisan 30 Combo ein neues Niveau für handverdrahtete Gitarrenverstärker betreffend Design, Klang und Fertigungsqualität.
Alle Blackstar-Produkte werden umfangreichen Laborund Praxistests unterzogen, um einen kompromisslos hohen Standard in punkto Verlässlichkeit, Qualität und vor allem SOUND zu gewährleisten!
Wenn Ihnen gefällt was Sie hören und Sie weitere Informationen zur BlackstarProduktpalette wünschen, besuchen Sie uns bitte im Internet: www.blackstaramps. com.
Vielen Dank!
Das Blackstar-Team
Features
Der Artisan 30 ist von den am meisten geschätzten Gitarrencombos der Gitarrenversärkergeschichte beeinflusst. Das Design lehnt sich an das klassische 30 W / 2x12 Comboformat an, ist äußerst benutzerfreundlich und dabei extrem flexibel in Funktionalität und Sound.
Die handverdrahtete Artisan-Serie genügt absolut höchsten Maßstäben in Sachen handwerkliches Können und „Boutique“-Klang. Unter der Betonung von Einfachheit und akustischer Reinheit sind die einzelnen Features verfeinert worden, damit sie dem Künstler ein maximales Spektrum an Referenz-Vintageklängen bieten. Dies wird durch eine Elektronikschaltung erreicht, die perfekt mit den edelsten zur Verfügung stehenden Komponenten und Materialien harmoniert.
Der Artisan 30 hält ein Leben lang und vereint mühelos Vintage-Sounds mit Strapazierfähigkeit und praxiserprobter Zuverlässigkeit. Die Bauweise in Punkt-zu- Punkt-Verdrahtung, das geschweißte Stahlgehäuse und die keilgezinkte Box aus Birkensperrholz werden ergänzt durch einen wunderschönen Tolexbezug in Vintagerot und eine Bedienplatte aus geätztem Aluminium.
Technische Informationen
Endstufe
Die Endstufe des Artisan 30 nutzt vier EL84 Pentodenröhren in Class A-Technik. Ruhestrom-Arbeitspunkt und Steilheit der verwendeten EL84-Röhren sind optimal auf Brummreduzierung und hervorragende Dynamik abgestimmt.
Die Endstufe des Artisan 30 läuft in zwei Betriebsarten - Pentodenröhren (30 W) oder triodenröhre (10 W), je nach Einstellung des Betriebsreglers der Endstufe.
Im Pentode Modus weist die Endstufe die Charakteristika eines britischen Verstärkers der Klasse A der frühen 60-er Jahre auf, d.h. der Verstärker liefert einen sehr dynamischen, glockigen Ton mit wunderbar krispen Höhen. Im Triode Modus wird die Endstufenverzerrung bei viel geringerer Lautstärke erreicht, was den Sound dunkler und wärmer macht. Die geringere Leistungsstufe eignet sich speziell für Heim und Studio.
Die Endstufe verfügt zudem über einen kathodengekoppelten Phasensplitter und gewährleistet so eine ausgezeichnete Symmetrie der Endstufenaussteuerung und damit eine erstklassige Ansprechdynamik. Im Einklang mit den charakteristischen klassischen Akustikmerkmalen des Artisan 30 sorgt der Einsatz eines
Röhrengleichrichters für eine verstärkte Kompression der Endstufenansprache und ist entscheidend für die Erzielung eines guten Spielgefühls und einer hohen Ansprechempfindlichkeit. Der hier verwendete GZ34 Röhrengleichrichter kommt auch bei anderen klassischen Modellen zum Einsatz.
Bei einem auf lange Lebensdauer ausgelegten Amp muss die Elektronikschaltung zuverlässig funktionieren. Daher sind all die anderen Endstufenund Netzteilkomponenten im Interesse optimaler Ausfallsicherheit ebenfalls überdimensioniert.
Vorstufe
Kanal 1 – EF86-Kanal
Hi/Lo Eingänge bieten eine perfekte Abstimmung entweder direkt an der Gitarre (hohe Empfindlichkeit) oder für den Anschluss von leistungsstärkeren Effektpedalen (niedrige Empfindlichkeit).
Dieser Kanal basiert auf der EF86 Preamp-Pentodenröhre. Diese Röhre kam ursprünglich aufgrund ihres hohen Gains und geringen Rauschens häufig in High- End-Audiogeräten zum Einsatz. In den ganz frühen amerikanischen Gitarrenamps jedoch fand eine Pentode in der Vorstufen-Schaltung Verwendung. Eine solche Pentode verlieh diesen Modellen besondere Gainund Kompressionseigenschaften, weshalb diese Verstärker in Studios heute so geschätzt werden.
In Anlehnung an die entsprechenden amerikanischen Designs ermöglicht der zusätzliche Gain der EF86 des Artisan 30 eine stärkere Aussteuerung der Endstufe zwecks Erzielung einer dichteren Kompression und einer komplexen harmonischen Verzerrung. Die EF86 verleiht dem Kanal 2 auch sehr spezielle Kompressionsund Verzerrungsnuancen und macht ihn so zu einem Traumpartner für Aufnahmen.
Der 5-stufige Bass Shape-Regler für die Bassaussteuerung in der Endstufe ermöglicht dem Nutzer, Sounds schnell und ohne Probleme aus der breiten Klangpalette zu wählen – von hellen und glasklaren bis zu druckvollen und harmonischen Tönen.
Deutsch
16 |
|
|
|
|
17 |
|
|
|
|
|
|
Loading...