TYPE |
IMAGE
(Click to see Full-size) |
RMS RATING
|
CONFIGURATION |
YEARS (APPROX.) |
COST NEW
|
TUBES
(tech notes) |
208 |
|
32-wpc
|
Stereo Power Amp
piggy-backs onto Type 355 Tuner/Preamp |
1961-1963 |
$130 |
Unique "raw" package format:
Dual-level inputs:
(1.5 & 2.5 volts)
Designed for either custom remote mounting or strapping across the back of Type
355 Tuner/Preamp;
Basic circuit design derived from the LK-72/299-C (minus the 12AX7 preamp
section)
7 tubes:
(2) 6U8/6GH8
(Split-load phase inverters)
(4) 7591 outputs
(1) 5AR4rectifier
|
220(A) |
|
18-watt
|
Monobloc Power Amp |
1948-1953 |
$120 |
Scott's first Monobloc
(basic power) amp:
(Also
bundled with Type 120A preamp as the Type 214-A integrated
combo)
Dual-level inputs:
(0.5 & 1.5 volts)
Octal power outlet for 120A "DYNAURAL" preamp
5 tubes:
6J5, 6SN7
(2) 6L6G outputs
5V4G rectifier
|
223 |
|
18-watt
|
Monobloc Power Amp |
1953-1956 |
$75 |
Low-cost Monobloc
4 tubes:
(1)
12AX7 AF amp/splitter
(2) 6L6GB outputs
5U4GA rectifier
|
232(A) |
Need Photo
See 232-B;
Below |
32-watt
|
Monobloc "Laboratory"
Power Amp |
1952-1955 |
$100 |
Distinctive rose-anodized
chassis and maroon transformer cover;
Dual-level inputs:
(
0.5 & 1.5 volts);
variable damping control;
5 tubes:
(2)
12AU7 splitters
(2) 1614 (6L6) outputs
5U4GA
|
232-B |
|
32-watt
|
Monobloc "Laboratory"
Power Amp |
1955-1956 |
$100
|
Distinctive rose-anodized
chassis and maroon transformer cover;
Dual-level inputs:
(
0.5 & 1.5 volts);
variable damping control;
5 tubes:
(2)
12AU7 splitters
(2) 1614 (6L6) outputs
5U4GA
|
240 |
|
35-watt
|
Monobloc "Laboratory"
Power Amp
Class "A" |
1957-1959 |
$140 |
First Scott amp to
use distinctive cast aluminum end-caps/cabinet w/logos and removable grill
(also used on 280);
Dual-level inputs:
(
0.5 & 1.5 volts)
with level controls
70V output taps,
variable damping control
5 tubes:
(2) 12AX7 (floating para-phase inverters w/AC balance pot)
(2) EL34 (6CA7)
(1) 5U4GA rectifier
|
250 |
|
35-watt
|
Monobloc "Laboratory"
Power Amp
Class "A" |
1958-1964 |
$160 |
Updated version of 240
without 70V taps and variable damping; new simplified cabinet, with "floating" front panel
(not shown)
Dual-level inputs:
(
0.5 & 1.5 volts);
with level controls;
added bias test terminals
A rack-mounted version was also marketed by the Instrument Division
5 tubes:
(2) 12AX7 (floating para-phase inverters w/AC balance pot)
(2) EL34 (6CA7)
(1) 5U4GA rectifier
|
265(A) |
|
65-watt
|
Monobloc "Laboratory"
Power Amp
Class "A" |
1953-1956 |
$200 |
Distinctive rose-anodized
chassis and maroon transformer covers
Dual-level inputs:
(
0.5 & 1.5 volts);
with level controls;
Variable damping control (from 30:1 to 0.5:1);
Variable
"Dynamic Power Monitor"
output limiter circuit
(from 8
watts to full power);
10 tubes:
(2) 12AX7 preamp/splitter'
(4) 1614(JAN)/6L6GC,
(1) 6080 (6AS7G mil spec) series pass regulator,
(1) 6AM8A dynamic power monitor
(2) 5U4
45 lbs.
|
280 |
|
72-watt
|
Monobloc "Laboratory"
Power Amp
Class "A" |
1957-1959 |
$230 |
Final and most powerful
Scott monobloc;
distinctive cast aluminum end-caps/ cabinet w/logos and removable grill (also used on
240, see above);
70V taps, variable damping control, "Dynamic Power Monitor" output protection
& power supply circuit;
Dual-level inputs:
(
0.5 & 1.5 volts);
with level controls
11 tubes:
(3) 12AX7 (floating para-phase inverters w/AC balance
pot)
(1) 6AL5 Bias Rectifier
(1) 6BX7 Volt Regulator
(4) EL34 (6CA7) outputs
(2) 5U4GA dual rectifiers
|
290 |
|
44 wpc
|
Stereo
"Laboratory"
Power Amp |
1960-1961 |
$240 |
Final Scott Stereo (factory-wired) basic Power Amp
also see 4120;
used "floating" front panel cabinet (not shown)
Basic power amp section design derived from the
Type 250; Monobloc Amp
and
Type
272; Integrated Amp
Features: Bias meter with Tube selector
Input level controls,
large TR-12-2 output
transformers
Dual-level inputs:
(
0.5 & 1.5 volts);
10 tubes:
(2) 12AU7 (floating
para-phase inverters w/AC balance pots)
(2) 12AX7
(4) EL34 outputs with individual (4) bias controls
(2) 5U4G rectifiers,
48 lbs.
|
LK-150 |
|
58-wpc
|
Stereo
"Laboratory" Power Amp
|
1961-1964 |
$170 |
Only Scott-Kit
basic Power Amp:
used "floating" front panel cabinet (not shown)
selectable input levels
bias meter
8 tubes:
(2) 7199
(Split-load phase inverters)
(4) 6550 outputs
(2) 5AR4
|