Fender Acoustasonic Pro Service Manual
Model: Acoustasonic Pro
Part Number: p/n 022-1300-000 (120V)
Important Notice
The information contained herein is CONFIDENTIAL and PROPRIETARY to Fender Musical Instruments Corp. It is disclosed solely for use by qualified technicians for purposes of equipment maintenance and service. It is not to be disclosed to others without the expressed permission of Fender Musical Instruments Co. All specifications subject to change without notice.
For warranty repair service, only Fender specified part numbers are to be used. It is recommended they also be used for post-warranty maintenance and repair.
Parts marked with an asterisk (*) indicate the required use of that specific part. This is necessary for RELIABILITY and SAFETY requirements. DO NOT USE A SUBSTITUTE!
A coded naming convention is used in the description of certain parts. The codes and what they mean are as follows:
Capacitor Codes:
- CAP AE = Aluminum Electrolytic
- CAP CA = Ceramic Axial
- CAP CD = Ceramic Disk
- CAP MPF = Metalized Polyester Film
- CAP MY = Mylar
- CAP PFF = Polyester Film/Foil
Resistor Codes:
- RES CC = Carbon Comp
- RES CF = Carbon Film
- RES FP = Flame Proof
- RES MF = Metal Film
- RES WW = Wire Wound
Hardware Codes:
- BLX = Black Oxide
- CR = Chrome Plated
- HWH = Hex Washer Head
- M = Machine Screw
- NI = Nickel Plated
- OHP = Oval Head Phillips
- PB = Particle Board
- PHP = Pan Head Phillips
- PHPS = Pan Head Phillips Sems
- SMA = Sheet Metal "A" Point
- SMB = Sheet Metal "B" Point
- SS = Stainless Steel
- TF = Thread Forming
- ZI = Zinc Plated
Fender Musical Instruments Corp. 7975 North Hayden Road Scottsdale, AZ 85258
Contents
- Notices
- Specifications
- Parts Lists (DSP effects list, PCB assembly, Chassis assembly, Cabinet assembly, End item assembly, Footswitch assembly, DSP assembly)
- Service diagrams
- Other drawings
Specifications
| Category | Detail |
|---|---|
| Product Release No. | PR 328 (This is not a model number) |
| Part Number | 120V Version: 22-1300, 240V Aust: 22-1330, 230V UK: 22-1340, 230V: 22-1360, 100V: 22-1370 |
| Preamp Section Input Impedance | 10 MΩ (Inst), 1.82kΩ (Mic), 18.2kΩ (Line/Inst) |
| Tone Controls | Treble: +/- 15dB @ 15kHz (Inst), Mid: +/- 12dB @ 1kHz (Inst), Bass: +/- 12dB @ 100Hz (Inst) |
| Feedback Notch | -10dB from 63Hz to 400Hz (Instrument Channel), -10dB from 150Hz to 825Hz (Instrument Channel) |
| String Dynamics | 0 to -15dB @ 6.3kHz (Instrument Channel) |
| Phantom Power | +48VDC (Mic) |
| Power Amplifier Section Power Output | 80 Watts/channel (160W RMS total) into 8 ohms @ <.2% THD, both channels driven |
| Sensitivity | 186mV (both channels) |
| Power Requirements | 120V Version: 120 VAC 60 Hz, 450W, 230V: 230 VAC 50 Hz, 450W |
| Speaker Complement | Two 8 Ohm Special Design 8" Speaker (p/n 051016), One Piezo Horn (p/n 049260) |
| Dimensions | Height: 18" (46 cm), Width: 24" (61 cm), Depth: 12" (30.5 cm) |
| Weight | 45 lbs. (20.4 kg) |
DSP Effects List
| PRESET | INSTRUMENT EFFECT | MIC EFFECT | PARAMETER DESCRIPTION |
|---|---|---|---|
| 0-2 | Chorus+Delay+Reverb | Bypass | Effects bypass |
| 3-5 | Delay+Chorus | Chorus+Delay+Reverb | Stereo choruses, multi-tap delays, stereo reverbs |
| 6-8 | Chorus+Room 1 | Delay+Chorus | Stereo choruses w/ multi-tap delays |
| 9-11 | Chorus+Room 2 | Chorus+Room 1 | Stereo choruses w/ small room reverb |
| 12-15 | Chorus+Hall | Chorus+Room 2 | Stereo choruses w/ medium room reverb |
| 16-17 | Flange+Reverb | Chorus+Hall | Stereo choruses w/ hall reverb |
| 18-21 | Delay+Room 1 | Flange+Reverb | Stereo flanges w/ medium reverb |
| 22-24 | Delay+Room 2 | Delay+Room 1 | Multi-tap delays w/ small room reverb |
| 25-27 | Delay+Hall | Delay+Room 2 | Multi-tap delays w/ medium room reverb |
| 28-34 | Room Reverb | Delay+Hall | Multi-tap delays w/ hall reverb |
| 35-41 | Hall Reverb | Room Reverb | Room increasing in size |
| 42-46 | Plate Reverb | Hall Reverb | Halls increasing in size |
| 47-51 | Chorus | Plate Reverb | Plates increasing in size |
| 52-53 | Flange | Chorus | Fast/Shallow to Slow/Deep settings |
| 54 | Slap | Flange | Fast/Shallow to Slow/Deep settings |
| 55-64 | Delay | Slap | 125ms delay, no regeneration |
| 65-69 | Multi-Tap Delay | Delay | Mono delays, Short to long times |
| 70-73 | Vibratone | Multi-Tap Delay | Stereoized multi-tap delays |
| 74-76 | Tremolo | Vibratone | Slow/Deep to Fast/Shallow settings |
| 77-78 | Pan | Tremolo | Fender Tremolo, Slow to Fast settings |
| 79-81 | Reverb | Pan | Left to Right pan |
| 82-87 | Fast Chorus | Reverb | Small room rev on instrument, vocal rev on Mic |
| 88-93 | Slow Chorus | Fast Chorus | Fast, shallow chorus, reverbs of increasing size |
| 94-96 | Delay | Slow Chorus | Slow, deep chorus, reverbs of increasing |
| 97-99 | Vibratone | Delay | Short to long delays, medium reverb |
| Vibratone | Vibratones, medium reverb |
Parts List
The Parts List section provides detailed component information for various assemblies of the Fender Acoustasonic Pro, including the Printed Circuit Board Assembly, Chassis Assembly, Cabinet Assembly, End Item Assembly, Footswitch Assembly, and DSP Assembly. It lists part numbers, descriptions, and reference designations for each component. The document emphasizes the importance of using Fender-specified part numbers for reliability and safety, and notes the use of coded naming conventions for capacitors and resistors.
Service Diagrams
The document includes detailed schematics illustrating the electronic circuitry and component layouts for troubleshooting and repair. These diagrams are essential for qualified technicians to understand the internal workings of the amplifier and perform maintenance.
