Electronics-World-1959-05
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Monaural- Stereo Preamplifier Kit<br />
(2- Channel Mixer)<br />
This unique kit allows you to purchase it in the monaural<br />
model if desired and then add the second or stereo<br />
channel later. The SP -2 features 12 separate inputs, six<br />
on each channel, with input level controls. Six dual concentric<br />
controls consist of: two 8- position selector<br />
switches, two bass, two treble, two volume level and two<br />
loudness controls, a scratch filter switch and a 4- position<br />
function switch. A separate on -off switch is provided.<br />
The function switch provides settings for stereo, 2-<br />
channel mix, channel A or B for monaural use. Inputs<br />
consist of tape, mike, mag phono and three high -level<br />
inputs. NARTB equalization and RIAA, LP, 78 record<br />
compensation are provided. A remote balance control<br />
is included. Printed circuit boards for easy assembly.<br />
Built -in power supply. Shpg. Wt. 15 lbs.<br />
MODEL W -7M<br />
$5495<br />
MODEL UA -1<br />
$2195<br />
HEATHKIT<br />
MODEL SP -2<br />
(STEREO)<br />
"EXTRA PERFORMANCE" 55 WATT<br />
HI FI AMPLIFIER KIT<br />
Enjoy this high fidelity power amplifier at less<br />
than a dollar per watt. Full audio output and<br />
maximum damping is conservatively rated at<br />
55 watts from 20 CPS to 20 kc with less than<br />
2% total harmonic distortion throughout the<br />
entire range. Features famous "bas -bal" circuit,<br />
EL -34 output tubes and special 70 volt output.<br />
Shpg. Wt. 28 lbs.<br />
"UNIVERSAL" 12 WATT HI Fl<br />
AMPLIFIER KIT<br />
The versatility and economy of this fine kit<br />
make it a truly "universal" hi -fi amplifier. An<br />
ideal basic amplifier for any hi -fi system or a<br />
perfect addition to gear your present hi -fi system<br />
to stereo sound. Uses 6BQ5 /EL84 push -<br />
puH output tubes for less than 2% harmonic<br />
distortion throughout the entire audio range.<br />
Shpg. Wt. 13 lbs.<br />
J I<br />
MODEL SP -1<br />
(MONAURAL)<br />
$3795 Shp, Wt. 13 ms.<br />
MODEL C -SP -1 CONVERTS SP -1 TO SP -2)<br />
$2195 Shpg. Wt. 5 IDs.<br />
HEATHKIT<br />
MODEL WA-P2<br />
"MASTER CONTROL"<br />
PREAMPLIFIER KIT<br />
c,rotr,,l sour th, .stern II11h<br />
this compact unit. ` Features 5<br />
switch- selected inputs to accommodate<br />
a record changer, tape<br />
recorder, AM tener. FM tuner.<br />
TV receiver, microphone,<br />
etc..<br />
each with level control. Provision<br />
also for a tape recorder output.<br />
Equalization for records through<br />
separate turnover and rolloff<br />
switches for LP, RIAA, AES and<br />
early 78's. Shpg. Wt. 7 lbs.<br />
ELECTRONIC<br />
CROSSOVER KIT<br />
MODEL<br />
X0-1<br />
$1895<br />
This unique instrument separates<br />
high and low frequencies and feeds<br />
them through 2 amplifiers into<br />
separate speakers. Located ahead<br />
of the main amplifier, it virtually<br />
eliminates IM distortion and<br />
matching problems. Note: Not<br />
for use with Heathkit Legato<br />
speaker system. Shpg. Wt. 6 lbs.<br />
MODEL A -9C $3550<br />
MODEL SW -1 $2495<br />
MODEL TK-1<br />
S995<br />
GENERAL -PURPOSE<br />
20 WATT AMPLIFIER KIT<br />
Designed for home installation as<br />
well as for PA requirements, the<br />
A9 -C combines a preamplifier,<br />
main amplifier and power supply<br />
all on one chassis. Four switch -<br />
selected inputs are provided as<br />
well as separate bass and treble<br />
tone controls offering 15 db boost<br />
and cut. Detachable front plate<br />
allows for custom installation.<br />
Shpg. Wt. 23 lbs.<br />
SPEEDWINDER KIT<br />
A real timesaser, the SW -I leaves<br />
your tape recorder free for operation<br />
while rewinding tape at the<br />
rate of 1200 feel in 40 seconds.<br />
Prevents unnecessary wear to the<br />
lape and recorder. Handles up to<br />
101/2' tape reels. Handles 800'<br />
reels of 8 and 16 millimeter<br />
film as well. Automatic shutoff<br />
prevents whipping at end of rewind.<br />
Shpg. Wt. 12 lbs.<br />
12" UTILITY SPEAKER KIT<br />
Replace inferior speakers in radio<br />
or TV sets to obtain better tone<br />
quality or set up an auxiliary<br />
speaker for testing purposes with<br />
this convenient, high quality<br />
speaker. The speaker will handle<br />
up to 12 watts with a frequency<br />
response of ±5 db from 50 to<br />
9,000 CPS. Speaker impedance is<br />
8 ohms and has a 6.8 oz. magnet.<br />
An outstanding dollar value.<br />
Shpg. Wt. 7 lbs.<br />
COMPLETE TOOL SET<br />
1 hese haste tools are all sou need<br />
to build any Heathkit. The pliers,<br />
diagonal side cutters, 2 screwdrivers,<br />
and soldering iron are all<br />
of top quality case hardened steel<br />
for hard duty and long life. Pliers<br />
and side cutters are equipped with<br />
insulated rubber handles for<br />
safety. A good example of just<br />
how easy Healhkil building really<br />
is. Shpg. Wt. 3 lbs.<br />
May. <strong>1959</strong><br />
83
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