YORKVILLE AM150, AM50 Owner's Manual
OWNER'S MANUAL
MANUEL DE L'UTILISTEUR
ACOUSTIC MASTER
TYPE: YS1007
IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS PERTAINING TO A RISK
OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSONS.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO
NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
Read Instructions:
The
Owner’s Manual
before operation of your unit. Please, save these
instructions for future reference.
Packaging:
Keep the box and packaging materials, in case the unit
needs to be returned for service.
Warning:
When using electric products, basic precautions should
always be followed, including the following:
Power Sources:
Your unit should be connected to a power source only of the
voltage specified in the owners manual or as marked on the unit.
This unit has a polarized plug. Do not use with an extension cord or
receptacle unless the plug can be fully inserted. Precautions should
be taken so that the grounding scheme on the unit is not defeated.
Hazards:
Do not place this product on an unstable cart, stand, tripod, bracket or
table. The product may fall, causing serious personal injury and serious
damage to the product. Use only with cart, stand, tripod, bracket, or table
recommended by the manufacturer or sold with the product. Follow the
manufacturer’s instructions when installing the product and use mounting
accessories recommended by the manufacturer.
The apparatus should not be exposed to dripping or splashing
water; no objects filled with liquids should be placed on the
apparatus.
Terminals marked with the “lightning bolt” are hazardous live;
the external wiring connected to these terminals require installation
by an instructed person or the use of ready made leads or cords.
No naked flame sources, such as lighted candles, should be
placed on the apparatus.
Power Cord:
The AC supply cord should be routed so that it is unlikely that it will
be damaged. If the AC supply cord is damaged
OPERATE THE UNIT
Service:
The unit should be serviced only by qualified service personnel.
should be read and understood
.
DO NOT
AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE,
ARRIERE). NE CONTIENT AUCUNE PIECE REPARABLE
Veuillez lire le manuel:
Il contient des informations qui devraient êtres comprises avant
l’opération de votre appareil. Conservez S.V.P. ces instructions
pour consultations ultérieures
Emballage:
Conservez la boite au cas ou l’appareil devait être
retourner pour réparation.
Attention:
Lors de l’utilisation de produits électrique,
assurez-vous d’adhérer à des précautions de bases
incluant celle qui suivent:
safety-4v0.pdf 04/29/03
INSTRUCTIONS RELATIVES AU RISQUE
DE FEU, CHOC ÉLECTRIQUE, OU
BLESSURES AUX PERSONNES.
AVIS:
N’ENLEVEZ PAS LE COUVERT (OU LE PANNEAU
PAR L’UTILISATEUR.
CONSULTEZ UN TECHNICIEN QUALIFIE
POUR L’ENTRETIENT.
Alimentation:
L’appareil ne doit être branché qu’à une source d’alimentation
correspondant au voltage spécifié dans le manuel ou tel qu’indiqué
sur l’appareil. Cet appareil est équipé d’une prise d’alimentation
polarisée. Ne pas utiliser cet appareil avec un cordon de
raccordement à moins qu’il soit possible d’insérer complètement les
trois lames. Des précautions doivent êtres prises afin d’eviter que le
système de mise à la terre de l’appareil ne soit désengagé.
Risque:
Ne pas placer cet appareil sur un chariot, un support, un trépied ou une
table instables. L’appareil pourrait tomber et blesser quelqu’un ou subir des
dommages importants. Utiliser seulement un chariot, un support, un trépied
ou une table recommandés par le fabricant ou vendus avec le produit.
Suivre les instructions du fabricant pour installer l’appareil et utiliser les
accessoires recommandés par le fabricant.
Il convient de ne pas placer sur l’appareil de sources de flammes
nues, telles que des bougies allumées.
L’appeil ne doit pas être exposé à des égouttements d’eau ou des
éclaboussures et qu’aucun objet rempli de liquide tel que des vases
ne doit être placé sur l’appareil.
Les dispositifs marqués d’une symbole “d’éclair” sont des parties
dangereuses au toucher et que les câblages extérieurs connectés à
ces dispositifs de connection extérieure doivent être effectivés par un
opérateur formé ou en utilisant des cordons déjà préparés.
Cordon d’alimentation:
Évitez d’endommager le cordon d’alimentation.
L’APPAREIL
si le cordon d’alimentation est endommagé.
Service:
Consultez un technicien qualifié pour l’entretien de votre appareil.
N’UTILISEZ PAS
1
The Acoustic Master 150
Your Yorkville AM150 is a stereo, full-range combo amplifier designed to reproduce the
sound of acoustic guitar with realism and projection. And because it is full-range, the AM150
can also reproduce voice, recorded music, keyboard instruments and other signal sources.
Compact size and light weight make the AM150 easy to transport and use almost anywhere.
We believe you will find that the versatility and response of the AM150 will make it a pleasure to use for years to come.
Feature Overview
Channel 1 accepts the output from active or passive acoustic guitar pickups while Channel 2
will accept either a microphone, another guitar (with active pickups), a line-level signal
source such as a CD or tape player or a keyboard instrument, and both channels can be
operated at the same time. Other features include 32-preset onboard digital effects with
which an *optional footswitch can be used to turn on and off. An external effects loop is
included on Channel 2 however that channel also has access to the internal effects system.
Channel 1 features 3-band EQ plus a sweepable notch filter for precise tone shaping without
feedback. Other features include a master volume control, a mono, balanced XLR line output
which is pre-effects (dry) and stereo ¼-inch post-effects (wet) balanced line outputs.
*(footswitch model TFS-1)
Feature Details & Operation
POWER Switch & Indicator
Depress the top or bottom of the POWER switch on the far right side of the control panel to turn the
AM150 on or off. The green LED located under the power switch will illuminate when the unit is on.
Channel 1 (Acoustic Guitar)
INPUT Jack
This is unbalanced with an impedance of 1 meg-ohm and can accept either passive or active
pickups (piezo/coil).
GAIN Control
Adjust this control for the desired volume. Check the CLIP LED for activity – see below.
LOW, MID & HIGH EQ
+/-15dB of equalization is provided for precise tone shaping of the instrument. Center position is neutral, turn right to boost frequency gain and left to reduce it. See under CLIP LED
for additional information. This EQ does NOT affect Channel 2.
STI
C MASTE
active
INPUT INPUT
1
passive
pickup
pickup
5
4
3
99
2
12 12
19
010
CLIP
GAIN
CAUTION:
REPLACE FUSE
WITH SAME TYPE AND RATING
ATTENTION:
UTILISER UN FUSIBLE
DE RECHANGE DE MEME
TYPE ET CALIBRE
DESIGNED & MANUFACTURED BY
YORKVILLE SOUND • Toronto, CANADA
33
66
15 15
LOW
33
66
66
99
99
12 12
12 12
15 15
MID
TYPE: YS1007 z530-1v2
230V
50Hz 1.0A
FUSE:
T 1,0A
33
15 15
HIGH
120 625
80
FUSE:
Yorkville
150
Hz
FREQ
120VAC
60Hz 2.0A
T 2.0A
800
SloBlo
NOTCH
ACOUSTI
C MASTE
1. Rvb/Delay/Chor
2. Reverb One
3. Flange & Delay
4. Chorus & Pitch
5. Reverb & Flange
6. Reverb Two
7. Rvb & Chorus
8. Detuned Chorus
R
9. Delay & Chorus
10. Pitch Shift
11. Slap Delay
12. Chorus
13. Reverb & Delay
14. Double
15. Flange
16. Delay
CH. 2
EFX SEND
EFX RTN
LEFT / MONO
LINE OUT
5
2
CLIP
EFX
46
DEFEAT
37
28
19
010
EFX
GAIN
ACTIVE
37
28
19
ACOUSTIC MASTER
46
010
MASTER
VOLUME
5
4
3
2
1
0
EFFECTS
MASTER
W
E
T
DRY
5
8
79
610
511
412
313
214
115
16
PRESETS
BAL
CH. 2
LINE OUT
(pre-EFX)
BAL
(post-EFX)
DIGITAL EFFECTS
BANK B
BANK A
RIGHT
LINE OUT
EFX
FOOTSW.
POWER
2
Notch Filter
This represents a fixed-depth dip or notch in frequency response which can be moved across
the sound spectrum with the FREQuency control to either attenuate feedback or enhance the
sound of your particular instrument. If feedback occurs, make sure that the NOTCH button is
depressed, then rotate the FREQuency control slowly until the feedback is reduced or eliminated. Please note that if feedback occurs when you are in close proximity to the AM150, the
notch filter may not be able to stop all of it. Either reduce volume, reduce the LOW, MID or
HIGH EQ control setting or move the guitar farther away from amplifier to defeat the feedback.
CLIP LED
This feature can be used to gauge input level to avoid audible clipping. If it begins flashing you
have turned up the GAIN, one or more of the EQ controls and/or the instrument to the point where
the amplifier is running out of power headroom. Do not turn up further or distortion can occur.
Channel 2 (General Purpose)
Inputs
This channel’s ¼-inch INPUT jack accepts line level signals, e.g. from a **CD player, a tape
deck or a mixer. Alternatively it can accept any guitar with active pickups (i.e. with a built-in
preamp), or any keyboard instrument. It is balanced Tip(+), Ring(-), Sleeve, however it also
accepts unbalanced cables. For best results and to reduce noise, it is advised that you use
balanced cables wherever possible. The 3-pin XLR INPUT connector accepts any lowimpedance dynamic microphone. Alternatively it can be used as a balanced line-level input,
perhaps from a mixer’s monitor or auxiliary output.
**To connect a stereo source to the ¼-inch input of Channel 2’s input, use an appropriate adapter
which terminates in a male ¼-inch stereo plug (e.g. dual female RCA to ¼-inch male stereo).
Do not use both the ¼-inch and XLR inputs on Channel 2 at the same time, signals will be
highly attenuated!!
EFX Loop - General
Channel 2 can be sent to the AM150’s internal digital effects system via the EFFECTS
Defeat /Active pushbutton (active in the down position). However this channel can also be
connected to an external effects unit and/or a graphic equalizer (Channel 2 is not affected by
Channel 1’s EQ or Notch filter haence some equalization may be desired for certain instruments or other signal sources). Internal effects and loop-connected effects, EQ, etc. can be
run at the same time on this channel (only).
EFX SEND
This unbalanced ¼-inch output is located on the back panel. Connect it to the input of the
external effects unit or EQ with a standard unbalanced shielded patch cable.
EFX RETURN
This unbalanced ¼-inch input is also located on the back panel. Connect it to the output of
the external effects unit or EQ with a standard unbalanced shielded patch cable.
EFFECTS MASTER Control (dry/wet) and EFX. FOOTSWITCH jack:
The control increases or decreases the intensity of internal effects (note, it does not regulate the intensity of any external effects which might be connected to channel 2). An
optional footswitch plugged into the EFX FOOTSWITCH jack on the back panel may be
used to activate or bypass the internal effects (only).
Tips
• If the line out is used to inject a signal into a mixer and no output power is desired from the
AM150 speakers, set the master control to “0” and increase or decrease the gain control on
either or both of the channels.
• Clip LED on Channel 1: The clip LED will illuminate if the input gain and/or the signal at the
EQ section is too hot. This will drive the amp to clipping. Adjust the Volume control or EQ controls on channel 1 accordingly.
• Clip LED on Channel 2: The clip LED will illuminate if the input gain is high enough to clip
the amplifier output. Adjust the Volume control on channel 2 accordingly.
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