The SCA-35
is a one piece combined pre and power amplifier. It is the best value of all
the Dynaco components and can deliver half again as much steady-state power at
the audio extremes as many other units adbertised at twice the wattage.
Features
1) Input
selector for phono, tape head and three high level sources
2) Exclusive
bandpass filter eliminates rumble and scratch without destroying the musical
balance
3)
Functional, easy to understanad controls make it easy for the whole family to
use, with sufficient flexibility for the enthusiiast's subtle adjustments.
4) Speaker
terminal connectors provided for driving a center speaker, no other
amplification required.
5)Inputs for
low and high output magnetic cartridges as well as ceramic cartridge provided
6) Three
preassembbled etched circuit boards reduce assembly time, no adjustments of any
kind are required
7) Specially
engineered Dynaco output transformers have phase reversal frequency in excess
of 300 kHz to provide complete stability regardless of speaker load.
8) 120/240 V
AC power transformer available on special oreder for overseas use.
The SCA-35
is a completely proven amplifier. Since its introduction in 1963, literally
tens of thousends have been built from kits or acquired factory assembled. Even
though an integrated amplifier, it maintains Dynaco's reputation for easy
-to-build kits, as attested by High Fidelty Magazine: "Building the SCA-35
offered no problems, and several hours of pleasant diversion, to the kit
enthusiast. The printed circuit boards are supplied with parts already mounted,
and wiring to them and to the rest of the chassis is fairly simple because of
the happy absence of crowded areas. The instruction manual is clearly written
and excellently illustrated. Total working time was eight hours."
The result, the magazine went on, "… is,
in a word, an excellent amplifier - especially so in view of its
cost" Kit price in
1971 was $ 99,55 for East and $ 104,95 for West.
Specifications
Power
Output:
35 Watts RMS
both channel driven at 1000 Hz
28 Watts RMS
both channel driven at 20 - 20,000 Hz (either channel alone 17,5 Watts RMS from
20 - 20,000 Hz)
Harmonic
Distortion: under 1% at rated output
Intrmodulation
Distortion: under 1% at rated output
Both
Harmonic and IM Distortion (decrease as power is decreased): blelow 0,2% at
average listening levels.
Frequency
Response: 20 - 20,000 Hz ±0,25 dB
Tone
Controls: ±12 dB at 50 Hz and 15 kHz
Input Signal
Required (for rated output at 1 kHz):
Phono
Magnetic : 4 mV
Tape : 2,5
mV
High Level :
1 V
Hum and
Noise: 70 dB below 10 mV on low level
inputs; 80 dB down on high level inputs
Front Panel
Controls: Selector, Volume, balance,
Bass and Treble
Front Panel
Switches: Stereo/Mono; Loudness
compensation; Bandpass filter; Power
Rear
Panel Inputs: RIAA magnetic phono (high
and low level); NAB 7½" tape
head; Radio; Tape and Spare
Rear
Panel Outputs: 8 and 16 Ω speaker; Tape output (unaffected by balance tone
and volume controls), Center channel output (no auxiliary amplifier needed),
provision for headphone connection, two AC convenience outlets.
Rear Panel
Controls: Dual hum balancing pots
Tube and
Semiconductor Complement: 2 x 12AX7, 2 x
7199, 4 x 6BQ5, 2 silicon diodes
Power
Consumption: 100 Watts at 120 V, 50/60
Hz (120/240V powertransformer available on special order)
Dimensions (W x D x H):
13 ½ x 10 ½ x 4 ¼ inches
Weight
(shipping): 20 lbs (9,1 kg)
Cover
Included: Charcoal brown baked vinil
cover