Fisher ELECTRA E 491 Owners Manual

Page 1

OPERATING INSTRUCTIONS AND WARRANTY

THE FISHER?

Electra
MODEL E491

PRICE $1.00

WORLD LEADER IN STEREOPHONIC HIGH FIDELITY

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CONGRATULATIONS!

With your purcnase of a FISHER instrument you have com-
pleted a chain of events that began many months ago, in our
research laboratories. For it is there that the basic concept of
the equipment you have just acquired came into beingiits
appearance, its Functions, its quality of performance, its con-
venience oi use.

But the end stepiyour purchasefiis merely a beginning. A
door has now opened, for you and your family, on virtually
unlimited years of musical enjoyment. Recognizing that one at
the keys to pleasurable ownership is reliability, we have
designed this instrument to give long and trouble-tree service.
In fact, instruments we made over twenty-seven years ago

Remember always that we want this equipment to give you
the best performance of which it is capable. Should you at
any time need our assistance toward that objective, please
write me personally.

AN IMPORTANT SUGGESTION

Many hours have been spent by our engineers and technical
writers to create this instruction book for your guidance and
enjoyment. it you want the most out at your FISHER. there is
only one way to obtain it With the equipment before you, please
read this booklet carefully. it will be time well spent!

are still in use today.

"J1

FISHER FIRSTs-Milestones in the History of High Fidelity Reproduction.

First higMidelity sound systems leaturing a beam
power amplifier, inverse leedback, acoustic speaker
compartments (Intlnlte battle and bass reflex) and
magnetic cartridges.

55
1556

First duai dynamic limiters in an FM |uner loi home
use.

First Perlormance Monitor in a high quality ampli-
liar lur home use.

I!
I!
8|

First complete receivers With Multiplex.
First FM-Sterechultlplex tuners with STEREO BEAM
First loudspeaker system with Nameless wuoter
cone, ellmlnatlng all parasttlr; resonance.

1537 First exclusively high ridelity rrtr tuner, featuring lass First rM~AM tuner With two meters ISM First internal smtchmg system to permit lmmeflls
broad-tuning 20,000 cycle fidelity. 1956 First complete graphic ieSpnnse curve indicator tor ate tape playback with use or all controls and
1937 First two-unit high fidelity system with separate Bass and treble, switches
speaker Enclosure. 1551 First Golden Cascade FM Tuner issz First simplilied-oporation Controermpllller, with in-
rsu First COBXlal speaker system. 1551 First Micranay WWII; Indicator lrequently used controls behind a hunt-panel cover,
in. First high tidelity tuner With amuliried Avc I95! First Stereoohonic RadioPhonOgranh With Magnetic yet immediately accessible
131) First SVWay Speaker in a high lidelity system. Stereo Cartridge. In: First loudspeaker iriith eddyicurrent-damueo voice
193! First Center-ol-Channel Tuning indicator. is First highuuality Stereo Remote control System coil
ms First Preamplifier~Equalizer With selective phono- i959 First complete Stereophonic FM-AM Receiver (FM- in: First bass speaker With combined Serratedilumls

graph equalization,

AM tuner, audio control. Aorwatt ampiirieri
plus nigh-eriiciency Her!»

First to use MicroRay tor FM tuning and as a Record»

First complete stereo FMAAM receiver With 60~watt
power ampllller and new 7591 output tubes.

Smithsonian institution. Washington, DC accepts
loi its collection America's llrst commercially mari-
ulactureo high iioeiiiy radio-phonograph, made oy

II First Dynamic Range Expander with teedoack 135! First highrCDmleanCe
1943 First FM~AM Tuner with variable AFC. piston speaker system
1352 First Soawatt, all triode amplifier. 1360 .
52 First sell~powereo Master Audio Control. in Audio Level lnoicatur.
1953 First sell-powered electronic, sharp-cutsotl filter 1980

system ior high lioeiity use.
us: First Universal Horn-Type Sneaker Enclosure inr any isan

room location and any speaker,
1.53 First FM-AM Receiver with a Cascade Front End.
"54 First low-cost electronic Mixer-Fadar. Avery Fisher in 1937,
54 First moderately-priced, prolessional FM Tuner With 1960

TWO meters.

155 First Peak Power Indicator in high fidelity, 156!)
95! First Master Audio Control Chassis with tive~pasltl0n 1.60

mixing lacilitiesr icon
1955 First correctly equalired, direct Iapeilead master read

195.
II

(a roan FISHER nADto communion

audio controls and sell-powered preamplifier,
First to use Power Monitor iii a home amplifier,
First All-TrahSistoriled Preamplifier-Equalizer.

PRlNTED m u.s.ii.

"II

First reverberation device, tar use in high tidellly
equlpment The Fisher Dynamic Spacexpander
First stereo tuner with Microlune

First FM tuner With six IF stages,

First FM tuner with five limiters.

First liont panel antenna selector SWItch, 72-300
ohm, Local-Distant positions.

First Multiplex units With STEREO BEACON and
automatic SWItLtllrlg munu to stereo

57

1862
51
IIBS
I!
56!
Ilfil

llfil

hum and litter cone

First FM Tuner Kit with separate d_'Arsonva| meter
lnr tuning and separate cathode ray stereo broad-
cast indicator (STEREO BEAMl

First Stercophonic FM Tuner with TUNE-O-MATIC
Motor Tuning.

First Supersonic Wireless Remote Control in a high
tidellty component.

First to use 8417 tubes with unique cavity~anode
designr

First power amplilier to use astilioscoDe-type, lreA
quency compensated input circuit.

First amplilier hit with SYRATAEALANCE. visual dy
namic balancing system

FIrSt multiplex adaptor Witn 'tlywheel synchrnnllar
tiori. closely approaches theoretical limit or noise
median, and or all spurious responses.

First AFC With strong lacking on weak signals. with
no pull-in from adjacent strong signals.