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It was very usefull, it is clear the quality is super, the price I paid is very afordable.
Generally speaking Iam very happy with this company.
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The manual was exactly what I needed, Good quality scans too. superb.
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I am so happy found this site as it consists of so many Manuls and easy to aquire. This onei s exactly what I wanted and much more as it has info on not only how to use the tuner but how to repair it as well. I will come here 1st before purchasing else where! Thanks owner-manual.com!
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Top class product, I printed it out on A3 paper and it is clear and very easy to follow.
Cheaper than buying a new radio!
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is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
Technical Manual
ERS 400/420/440
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Frequency Response: Sensitivity: 4 ohms 8 to 30 watts RMS 90Hz-15kHz 85dB 1watt/1 meter
Environmental Reference Series 2-Way Speaker
PHYSICAL SPECIFICATIONS:
1x - 4" (10.1cm) IMG full-range transducer Baffle Dimensions: 7"H x 7"W" x 2-9/16"D XXXXXXXXXX XX 17.8x17.8x6.5cm Hole Size Required: 6"H x 6"W XXXXXXXXXXXXXXXXXX XX 15.2x15.2cm Baffle #760-6528 Grille #654-6631 Grille Foam Logo #965-6532 #716-5719
PRODUCTION HISTORY
Introduced in (800:1989) (820:1991) (840:1994) Discontinued (800:1991) (820:1994) (840:1998) Original Retail Price: (800:$160.00/pair) (820/840:$180.00/pair)
NOTE: ERS 400 MUST HAVE A SEPARATE INSTALLATION BRACKET
TECHNICAL INFORMATION
TWEETER #902-5032
REV A
9-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
ERS 400/420/440 Environmental Reference Series 2-Way Speaker
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