Dynaco Stereo 80 Owners Manual
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Extracted text from Dynaco Stereo 80 Owners Manual (Ocr-read)
Page 1
SERIAL NUMBER
Nymaca
This number must be men-
tioned in all communications
concerning this equipment.
STEREO 80
INSTRUCTIONS FOR
ASSEMBLY
OPERATION
..§.-"
POST OFFICE BOX 88
NUAIBCD iNC. COLES 0 8' 9 VENUE/summon. n. J. 08012. u.s.A.
Bob01605@aol.com
Page 2
CONTENTS
Operating instructions ...................... 3 Alternate AC Line Connections .............. 15
Technical Information ______________________ 5 Schematic Diagram ........................ 17
Circuit Description """"""""""" _ ..... 5 In C858 0f lefiCUllY ........................ 18
Performanc T t 5 Service Information for the
e as 5 """"""""""" Technician .............................. 18
Dyna) Preamplifie's ------------------- 6 Parts List ................................. 22
4-Dimensionat SOUnd SYStem ------------ 6 Factory Service and Warranty . . . . . . . .. ..... 24
Assembly Instructions ...................... 7 Pictorial Diagram ............. Back Cover Foldout
SPECIFICATIONS
FREQUENCY RESPONSE: 10 Hz to 50 kHz I0.5 (ll). NOISE: 90 db below rated output.
DAMPING FACTOR: Greater than 40 from 20 Hz to
POWER OUTPUT: 30 watts average continuous 20 kHz-
Power W channel into 8 0th over a Power SEPARATION: More than 60 db from 20 Hz to 10
bandwidth of 20 Hz to 20 kHz at less than 0.5% kHz.
total harmonic distortion. Distortion decreases
INPUT: 100,000 ohms; 1.3 volts for 40 watts output.
at lower power levels.
SEMICONDUCTOR COMPLEMENT: '12 transistors;
10 diodes.
SIZE: 14 x 8" x 4.
INTERMODULATION DISTORTION: Less than 0.10/0
at any power level up to rated power with any
combination of test frequencies. DistOrtion de- WEE-"7313 35-
creases at lower power levels. MAXIMUM POWER CONSUMPTION: 250 watts.
100 Hz lkHz 10 kHz
SQUARE WAVE PERFORMANCE: This is a good indication of linearity from
10 Hz to 100 kHz, since good souare wave reproduction requires bandwidth
in excess of 1." 10th to 10 times displayed frequency.
20 kHz
LOW POWER FREEDOM FROM DISTORTION: at 1i10th watt, 3 20kHz sine
wave (the most difficult audio frequency) shows absolutely no signs of cross-
over or notch distortion.
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