Electro voice a 15 brochure

Page 1

MODEL A15
CIRCLOTRON
AMPLIFIER

Sensational new design in unplifiers features "ClRCLOv
TRON Circuit" and loudspeaker Variable Damping Con»
trol in all models for superior hi-fi reproduction. For PG
or any other preamp. or EleuroVuice Model 5305 and
5504AMJTM tuners Provides "unity coupling between
output tubes: eliminates switching transients and removes
DC from output transformer. Variable Damping Cwuml
assures perlen speaker matching: prevents bass losses
from overdamping. Also prevents underdamping. elimi-
nating low-frequency distortion and voice-coil override.
Permits matching amplifier to speaker, speaker to en-
closure and enrlosure to room. All models have heavy
gauge brushed brass chassis, moth: brown ventilating
tube-screens and transformer shells. Sensitivity, all mod-
els, 1.25 volt input for rated output. Damping Fartor
Control continuously variable. covering all (ommerrinlly
avlilable quality speakers and enclosures. Incorporates
Ofl-On Su'ilrb and lnpul Letel Conlrnl. Straps provided
allow horizontal or \erliral mounting. For operation on
tm-tzn V., (,0 ryclcs AC.

~44. (TN-choiath"

SPECIFICATlONS

POWER OUTPUT: [5 watts rated. 30 watts an peaks

FREQUENCY RESPONSE: : .5 db :0 to 50.000 cps
at rated output

HARMONIC DISTORTION: Less than .15% at rated
output

INTERMODLLATION DISTORTION: Less than $5572
at rated output

NOISE LEVEL: -85 db
SPEAKER OUTPUT: 4 ohms, 9 ohms. 16 ohms

FEEDBACK: Loop Feedback: *IS db
Drive Plate: + 2 db
Output Circuit: -25 db

Total -' 38 db

MAXIMUM POWER USED: .7;
_ ll 12AX7 2 HM
TURF-5' (I 125m 2 6x4

DIMENSIONS: H W, in.. w 121/4 in,, 1) 81/4 in.
wucm: is»; lb
NOTE: Advantod rpxiflculmlu 'ulovllld In [his It" all band on

labor-VI lull I! p710! mulch. iinll lpleMediuu will be
lvallall sous