Fender Acoustasonic 90 - Guitar Amplifier Manual

Features include

• Strong, lightweight 5-ply hardwood construction
• Ultra-efficient power amp produces 90 Watts
• 8" cloth-surround low-frequency driver and high-frequency tweeter
• Separate Instrument and Microphone channels with independent EQ and effects controls
• Professional XLR line out with ground lift
• Optional 2-button FX Select footswitch available (P/N 0064673000)
• 5-Year Transferable Warranty (US and Canada, other territories may vary)
• PRODUCT REGISTRATION — Go to: www.fender.com/product-registration

Front Panel

1. INSTRUMENT — Plug your instrument in here.
2. VOLUME — Adjusts the volume level of the Instrument channel.
3. AUTOMATIC FEEDBACK ELIMINATION (AFE) — A feedback suppression algorithm that can be used to target and suppress feedback frequencies automatically. AFE can be used in two modes, basic and advanced.

Automatic Feedback Elimination (Basic Mode):

1. Press the AFE button and a "notch filter" will be activated which will reduce feedback in the most common frequency ranges. The LED will illuminate red while the AFE circuit is active.
2. Press the AFE button again to disable basic mode.
   Advanced AFE mode is more sophisticated and can be trained to target and eliminate specific troublesome feedback frequencies.

Automatic Feedback Elimination (Advanced Mode):

1. Start with the AFE circuit off.
2. Press and HOLD the AFE button for one second (until the AFE LED turns green) to initiate the AFE training period.
3. The AFE training period lasts for 4 seconds. Allow your guitar or microphone to feed back during this period. Typically, you do not need to play your guitar (or sing) during the training period, but if you can induce the frequency that is giving you particular trouble, your results may be improved! Wear hearing protection.
4. When the LED turns red, AFE training is complete. At this point you can repeat steps 1-3 to retrain the feedback frequencies for AFE advanced mode, if desired.
5. You can now turn the AFE advanced mode on-off by pressing the AFE button. The amplifier will remember your trained frequencies until you turn the amplifier off.

4. TREBLE / MIDDLE / BASS — Adjusts the tonal character of the Instrument channel.
5. FX SELECT — Selects one of 16 effects for the Instrument channel (see "effects" section).
6. FX LEVEL — Adjusts the level of effects for the Instrument channel.
7. MIC/INSTRUMENT — Plug your microphone, or instrument in here. Phantom power (+15VDC) is supplied to the XLR (microphone) jack.
8. VOLUME — Adjusts the volume level of the Mic/Inst channel.
9. AUTOMATIC FEEDBACK ELIMINATION — Can be used to target and suppress feedback automatically for the Mic/Inst channel. (see step-by-step instructions under AUTOMATIC FEEDBACK ELIMINATION {C}.
10. TREBLE / BASS — Adjusts the tonal character of the Mic/Inst channel.
11. FX SELECT — Selects one of 16 effects for the Mic/Inst channel (see "effects" section).
12. FX LEVEL — Adjusts the level of effects for the Mic/Inst channel.
13. POWER INDICATOR — Illuminates when power to the unit is switched on.
    
    
14. POWER — Switch to the "ON" position to turn the unit on. Switch to the "OFF" position to turn the unit off.
15. INPUT POWER — Connect the included power cord to a grounded outlet in accordance with the voltage and frequency ratings specified on the rear panel of your amplifier.
    
    
16. FOOTSWITCH — Connect the optional 2-button footswitch (P/N 0064673000) to enable remote on/off switching of the effects for each channel.
17. GROUND LIFT — Press in to disconnect the ground connection (pin 1) of the BALANCED LINE OUT {R} jack, which may reduce line noise in some situations. Normally leave this button in the "out" position (grounded).
18. BALANCED LINE OUT — XLR output jack for connection to external sound equipment.
19. AUX — Auxiliary input jack. Connect your media playback device here to play an accompaniment track through the amplifier. Adjust the auxiliary input level using the volume control on the playback device.

Effects

Instrument Channel

Select from 16 variations of 9 types of effects using the FX SELECT knob. Effects are described going clockwise around the knob:

Mic/Inst Channel

Select from 16 variations of 9 types of effects using the FX SELECT knob. Effects are described going clockwise around the knob:

Specifications

TYPE: PR 899

POWER
REQUIREMENTS: 350W
OUTPUT: 90W RMS into 8Ω @ <0.2%THD

INPUT IMPEDANCE
INSTRUMENT: 10MΩ
MIC/INST: 3.6kΩ

SPEAKER:
One 8Ω, 8" Fender Special Design (P/N 0092459000)
One Piezo horn (P/N 0080886000)

FOOTSWITCH (OPTIONAL): Two-button, Effects on-off (P/N: 0064673000)

DIMENSIONS
HEIGHT: 15 3/8 in (39.1 cm)
WIDTH: 19 3/8 in (49.2 cm)
DEPTH: 19 13/16 in (24.9 cm)

WEIGHT: 18 lb (8.16 kg)

Product specifications are subject to change without notice.

IMPORTANT SAFETY INSTRUCTIONS

The lightning flash with arrowhead symbol within an equilateral triangle 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.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

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 dry cloth.
7. Do not block any ventilation openings. Install in accordance with the 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 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.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. 
    Use only with the 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.
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 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.
15. To completely disconnect this apparatus from the AC mains, disconnect the power supply cord plug from the AC receptacle.
16. The mains plug of the power supply cord shall remain readily operable.
17. 
    To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
18. Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids, such as vases, are placed on the equipment.
19. Maintain at least 6 inches (15.25 cm) of unobstructed air space behind the unit to allow for proper ventilation and cooling of the unit.
20. 
    For rack mounted power amplifiers, keep all wiring and materials away from the sides of the unit and allow the unit to cool down for 2 minutes before pulling from a rack enclosure.
21. Amplifiers and loudspeaker systems, and ear/headphones (if equipped) are capable of producing very high sound pressure levels which may cause temporary or permanent hearing damage. Use care when setting and adjusting volume levels during use.
22. 
    To maintain product safety, products with internal or external (battery pack) batteries:
    • Batteries and/or the product in which they are installed, shall not be exposed to excessive heat such as sunshine, fire or the like.
    • There may be a danger of explosion if the battery is incorrectly connected/ replaced. Replace only with the same or equivalent type battery specified in the instructions or on the product.
23. 
    Unplug unit and allow it to cool before touching/ replacing vacuum tubes.
24. 
    Provide an earthing connection before the mains plug is connected to the mains. And, when disconnecting the earthing connection, be sure to disconnect after pulling out the mains plug from the mains.
25. Apparatus with CLASS I construction (grounded type with a three-prong plug) must be connected to a MAINS socket outlet with a protective earthing connection.

fender.com

Documents / Resources

References

• http://www.fender.com/product-registration
• Fender Guitars | Electric, Acoustic & Bass Guitars, Amps, Pro Audio

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