KB® 1 Keyboard Amplifier Operation Manual
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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.
Intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
CAUTION: Risk of electrical shock — DO NOT OPEN!
CAUTION: To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside. Refer servicing to qualified service personnel.
WARNING: To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. Before using this appliance, read the operating guide for further warnings.
Este símbolo tiene el propósito, de alertar al usuario de la presencia de “(voltaje) peligroso” sin aislamiento dentro de la caja del producto y que puede tener una magnitud suficiente como para constituir riesgo de descarga eléctrica.
Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre la operación y mantenimiento en la información que viene con el producto.
PRECAUCION: Riesgo de descarga eléctrica ¡NO ABRIR!
PRECAUCION: Para disminuír el riesgo de descarga eléctrica, no abra la cubierta. No hay piezas útiles dentro. Deje todo mantenimiento en manos del personal técnico cualificado.
ADVERTENCIA: Para evitar descargas eléctricas o peligro de incendio, no deje expuesto a la lluvia o humedad este aparato Antes de usar este aparato, Iea más advertencias en la guía de operación.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur la présence d’une tension dangereuse pouvant être d’amplitude suffisante pour constituer un risque de choc électrique.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur qu’il ou qu’elle trouvera d’importantes instructions concernant l’utilisation et l’entretien de l’appareil dans le paragraphe signalé.
ATTENTION: Risques de choc électrique — NE PAS OUVRIR!
ATTENTION: Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve à l’intérieur aucune pièce pouvant être reparée par l’utilisateur. Confiez I’entretien et la réparation de l’appareil à un réparateur Peavey agréé.
AVERTISSEMENT: Afin de prévenir les risques de décharge électrique ou de feu, n’exposez pas cet appareil à la pluie ou à l’humidité. Avant d’utiliser cet appareil, lisez attentivement les avertissements supplémentaires de ce manuel.
Dieses Symbol soll den Anwender vor unisolierten gefährlichen Spannungen innerhalb des Gehäuses warnen, die von Ausreichender Stärke sind, um einen elektrischen Schlag verursachen zu können.
Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam machen, die Handhabung und Wartung des Produkts betreffen.
VORSICHT: Risiko — Elektrischer Schlag! Nicht öffnen!
VORSICHT: Um das Risiko eines elektrischen Schlages zu vermeiden, nicht die Abdeckung enfernen. Es befinden sich keine Teile darin, die vom Anwender repariert werden könnten. Reparaturen nur von qualifiziertem Fachpersonal durchführen lassen.
ACHTUNG: Um einen elektrischen Schlag oder Feuergefahr zu vermeiden, sollte dieses Gerät nicht dem Regen oder Feuchtigkeit ausgesetzt werden. Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: When using electrical products, basic cautions should always be followed, including the following:
1.Read these instructions.
2.Keep these instructions.
3.Heed all warnings.
4.Follow all instructions.
5.Do not use this apparatus near water.
6.Clean only with a dry cloth.
7.Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions.
8.Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.
9.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 plug. The wide blade or third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point they exit from the apparatus.
11.Note for UK only: If the colors of the wires in the mains lead of this unit do not correspond with the terminals in your plug‚ proceed as follows:
a)The wire that is colored green and yellow must be connected to the terminal that is marked by the letter E‚ the earth symbol‚ colored green or colored green and yellow.
b)The wire that is colored blue must be connected to the terminal that is marked with the letter N or the color black.
c)The wire that is colored brown must be connected to the terminal that is marked with the letter L or the color red.
12.Only use attachments/accessories provided by the manufacturer.
13.Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a
cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
14.Unplug this apparatus during lightning storms or when unused for long periods of time.
15.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as 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.
16.Never break off the ground pin. Write for our free booklet “Shock Hazard and Grounding.” Connect only to a power supply of the type marked on the unit adjacent to the power supply cord.
17.If this product is to be mounted in an equipment rack, rear support should be provided.
18.Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time. 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 |
1 1⁄2 |
102 |
1 |
105 |
1⁄2 |
110 |
1⁄4 or less |
115 |
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs or protectors to 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.
SAVE THESE INSTRUCTIONS!
ENGLISH
KB® 1
Thank you for selecting the warm-ups, songwriting or just too much. The design acoustic guitar players and RMS, the KB 1’s heavy-duty
the KB 1 delivers. Two channels active equalization (Low, speaker when connected.
Special attention was given yet provide a “big” sound. the size? Well, let’s say it’ll
Like all of the KB Series, the along with heavy-duty corners heavy-duty metal grille is
This amp is for real. Check every KB series amplifier, at the end of the manual for winning repair and service
Peavey KB 1 is perfect for practice, pre-gig is important, but a large, bulky unit is
khorse amplifier for keyboardists, output in a small package. At 20 Watts for situations that require headphones,
inputs, level controls, and two-band jack automatically disables the internal
light as possible to maximize portability, it’s perfect for “on-the-go” projects. And
extremely tough black covering is provided available at the top of the unit. Third, a
portability, roadworthy design. Also, with warranty (check the warranty document
customer service from Peavey’s award-
4
FRONT PANEL
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
NNEL ONE
INPUT
Signal input for Channel One. This 1/4" jack input will accept signals from a variety of keyboard and acoustic instruments.
LEVEL
Controls the Channel One 1/4" phone jack input level.
LOW EQUALIZATION
An active tone control (shelving type +/-15 dB) for boosting or cutting the bass frequency range. CAUTION: Excessive low frequency boost can damage the speaker.
HIGH EQUALIZATION
An active tone control (shelving type +/-15 dB) for boosting or cutting the treble frequency range.
NNEL TWO
INPUT
Signal input for Channel Two. This 1/4" jack input will accept signals from a variety of keyboard and acoustic instruments.
LEVEL
Controls the Channel Two 1/4" phone jack input level.
5
7.LOW EQUALIZATION
An active tone control (shelving type +/-15 dB) for boosting or cutting the bass frequency range. CAUTION: Excessive low frequency boost can damage the speaker.
8.HIGH EQUALIZATION
An active tone control (shelving type +/-15 dB) for boosting or cutting the treble frequency range.
9.HEADPHONE JACK
A headphone jack is provided for stereo headphones. This switching jack disengages the internal speaker when plugged in.
REAR PANEL
10 11
10.POWER SWITCH
On/Off switch. The red pilot light illuminates when the unit is turned on.
11.IEC CONNECTOR/DETACHABLE LINE CORD
This is a standard IEC power connector. An AC mains cord having the appropriate AC plug and ratings for the intended operating voltage is included in the carton. The main cord should be connected to the amplifier before connecting to a suitable AC outlet.
12.Maintain a clearance of 12” from any combustible surface.
6
KB™ 1
SPECIFICATIONS
Rated power and load: |
INSTRUMENT INPUTS: |
System hum and noise: |
20 W RMS into 4 Ohms |
Input impedance: |
80 dBV (both channels |
|
220 K Ohms |
operating) |
Power @ clipping (typical): |
Nominal input level: |
|
(5% THD, 1 kHz, 120 VAC line) |
-4.5 dBV, 600 mV RMS |
Equalization (both channels): |
20 W RMS into 4 Ohms |
Minimum input level: |
±15 dB @80 Hz and 8 kHz, |
|
-20.6 dBV, 93 mV RMS |
shelving |
Total harmonic distortion: |
Maximum input level: |
|
Less than 0.5%, 100 mW to |
+12 dBV, 4V RMS |
Weight and dimensions: |
12 W RMS, 60 Hz to 10 kHz, |
|
Weight: 17.4 lbs. (7.89 kg) |
4 Ohms (typically below |
Frequency response: |
Width: 13.75" (349 mm) |
0.2%) |
+0, -2 dB, 50 Hz to 10 kHz |
Depth: 9.0" (229 mm) |
|
|
Height: 14.25" (362 mm) |
Power consumption: |
HEADPHONE OUTPUT |
|
50 Watts, 50/60 Hz, 120 VAC |
(Stereo headphone jack, mono |
|
|
signal) |
|
PREAMP SECTION: |
Load impedance: |
|
The following specs are |
4 Ohms or greater |
|
measured @ 1 kHz with the |
Nominal power output: |
|
master EQ flat @ 0 dB. |
20 mW into 4 Ohms |
|
Nominal values are with |
(Switching jack disconnects the |
|
levels @ 5 |
internal speaker when plug is |
|
Minimum values are with |
inserted) |
|
levels @ 10 |
|
|
KB™ 1
BLOCK DIAGRAM
Headphone
2 Band EQ |
|
LO |
HI |
Channel 1 |
|
Input |
|
Level |
|
2 Band EQ |
|
LO |
HI |
Channel 2 |
|
Input |
|
Level |
|
Pre |
Power |
Amp |
Amp |
Speaker
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