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Last Edited:
12-Sep-2004

TYPE IMAGE
(Click to see full-size)
CONFIGURATION, RMS RATING YEARS (APPROX.) COST NEW COMMENTS

TUBES
(tech notes)

LC-21 Scott_LC-21 tn.jpg (4012 bytes) Stereo 
Preamp 
Control Center
Kit
1961-1963 $100 (kit)

$170 (wired)
 

Pairs with LK-150 basic power amp

Similar to 130, basically the front-end of 299 integrated amp with cathode follower outputs

Need Info
LK-30 Scott_LK-30 tn.jpg (5330 bytes) Integrated
30-watt
Stereo Amplifier Kit
12-wpc
1962-1965 Need Original Price

$105
(kit est.)

Kit version, similar to 200B

used cost-saving 8-tube lineup which used a single 6GW8 as a shared splitter/p-p output driver

 used wide "C" case/chassis
8 tubes:

(3) 12AX7
(4)6GW8/ECL86
(Split-load phase inverter)
(1) 5AR4/GZ34
LK-48 Scott_LK-48 tn.jpg (3848 bytes) Integrated
48-watt
Stereo Amplifier Kit
20-wpc (RMS)
1961-1963 $125 (kit)

$190 (wired)

See "Editor's Picks"

Second ScottKit
Integrated Amp
very similar to 299B design

Early units featured unique-to-kits, dark brown faceplates

 
11 tubes:


(4) 12AX7
(2)6U8/6GH8
(Split-load phase inverter)
(4) 7189
(1)5AR4/GZ34
LK-48B Scott_LK-48B tn.jpg (4729 bytes) Integrated
48-watt
Stereo Amplifier Kit
20-wpc (RMS)
1963-1965 $130 (kit)

Kit version, very similar to 222D design

See "Editor's Picks"


11 tubes:


(4) 12AX7
(2)6U8/6GH8
(Split-load phase inverter)
(4) 7189
(1)5AR4/GZ34
LK-72 Scott_LK-72 tn.jpg (6199 bytes)

Scott_LK-72_BrownFace tn.jpg (5636 bytes)
Integrated
72-watt
Stereo Amplifier Kit
35-wpc (RMS)
1960-1963 $160 (kit)

$250 (wired)

First ScottKit
Integrated Amplifier

First Scott design to use 7591 and Split-load inverters

Featured Center-Channel Level Control

Early units featured unique-to-kits, dark brown faceplates

11 tubes:

(4) 12AX7
(2)6U8/6GH8
(Split-load phase inverter)
(4) 7591
(1)5AR4/GZ34
LK-72B NA Integrated
80-watt
Stereo Amplifier Kit
35-wpc (RMS)
1963-1966 $150 (kit)
Kit version,  very similar to 299D design

11 tubes:

(4) 12AX7
(2)6U8/6GH8
(Split-load phase inverter)
(4) 7591
(1)5AR4/GZ34
LK-150 Scott_LK-150_tn.jpg (7385 bytes) Dual Channel, 130-watt,
(Stereo)
"Laboratory" Power Amplifier Kit

 58-wpc (RMS)
1961-1964 $170 (kit)

$270 (wired)

Commonly paired with LC-21 preamp
(See above)

selectable input levels
bias meter

First Scott use of 7199 splitters and split-load inverters

Dual 5AR4 rectifiers

8 tubes:

(2) 7199
(Split-load phase inverter)
(4) 6550
(2) 5AR4/GZ

For a detailed technical description see: John Byrns's H.H. Scott Amplifier Specifications

To view: Vintage H.H. Scott Factory-Wired Amplifier Table

 

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