Harman Kardon HK250 Owners Manual - Page 5

SPECIFICATIONS, Audio, Overall, Specifications, Harman-Kardon, Street, Westbury

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SPECIFICATIONS Audio: Circuits: .Two 6L6GB's self biased, tetrode connected in pushpull per channel. Output Level Per Channel: 25 watts at less than 1% harmonic distortion. 20 watts at less than 0.5% harmonic distortion. 5 watts at less than 0.2% harmonic distortion. 20 watts at less than 2% intermodulation distortion. Harmonic distortion readings at 1000 c.p.s.; Intermo-. dulation distortion readings at 60/6000 c.p.s.: 4:1; All at 16 ohm load-120 volts A.C. Special Feature: Power amplifiers may be parallel for 50 watt monaural operation by throwing special switch and strapping speaker terminals. Peak Power Output: 50 watts per channel. 100 watts when strapped. Output Impedance: 4, 8, 16 and 32 ohms per channel. 2, 4, 8 and 16 ohms when strapped. Frequency Response: -± 0.5 db 15-30,000 c.p.s. at 1 watt. ± 1.0 db 20-20,000 c.p.s. at 20 watts. Damping Factor: 8 ( individual channels or when strapped ). Hum: 95 db below 20 watts. Cross Talk: Better than 60 db. Sensitivity: 1.5 volts. Overall Specifications: Chassis Controls: Receptacles: Switch: Fuse: Tube Complement: Dimensions : Power Consumption: Shipping Weight: (Total 2) Output tube balance control left and right channels. 2 input (May be strapped with switch on top of chassis ). ( Input ) Separate/Parallel. Externally Accessible. (Total 6) 4-6L6GB, 2-6CG7, 4 Silicon Diode Rectifiers. 15" W. x 6" H. x 7" D. 190 watts. 30 lbs. 248 Harman-Kardon, Inc., 520 Main Street, Westbury, L. I., N. Y.

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SPECIFICATIONS
Audio:
Circuits:
.Two
6L6GB's
self
biased,
tetrode
connected
in
push-
pull
per
channel.
Output
Level
Per
Channel:
25
watts
at
less
than
1%
harmonic
distortion.
20
watts
at
less
than
0.5%
harmonic
distortion.
5
watts
at
less
than
0.2%
harmonic
distortion.
20
watts
at
less
than
2%
intermodulation
distortion.
Harmonic
distortion
readings
at
1000
c.p.s.;
Intermo-
.
dulation
distortion
readings
at
60/6000
c.p.s.:
4:1;
All
at
16
ohm
load
-120
volts
A.C.
Power
amplifiers
may
be
parallel
for
50
watt
monaural
operation
by
throwing
special
switch
and
strapping
speaker
terminals.
50
watts
per
channel.
100
watts
when
strapped.
4,
8,
16
and
32
ohms
per
channel.
2,
4,
8
and
16
ohms
when
strapped.
-±
0.5
db
15-30,000
c.p.s.
at
1
watt.
±
1.0
db
20-20,000
c.p.s.
at
20
watts.
8
(
individual
channels
or
when
strapped
).
95
db
below
20
watts.
Better
than
60
db.
1.5
volts.
Special
Feature:
Peak
Power
Output:
Output
Impedance:
Frequency
Response:
Damping
Factor:
Hum:
Cross
Talk:
Sensitivity:
Overall
Specifications:
Chassis
Controls:
Receptacles:
Switch:
Fuse:
Tube
Complement:
Dimensions
:
Power
Consumption:
Shipping
Weight:
(Total
2)
Output
tube
balance
control
left
and
right
channels.
2
input
(May
be
strapped
with
switch
on
top
of
chassis
).
(
Input
)
Separate/Parallel.
Externally
Accessible.
(Total
6)
4-6L6GB,
2-6CG7,
4
Silicon
Diode
Rec-
tifiers.
15"
W.
x
6"
H.
x
7"
D.
190
watts.
30
lbs.
248
Harman-Kardon,
Inc.,
520
Main
Street,
Westbury,
L.
I.,
N.
Y.