GM3WOJ |
ZL1CT |
Vintage |
transceivers |
valve/tube |
information |
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Collins |
KWM-2A |
Hallicrafters |
SR-150 |
Drake |
TR-4C |
National |
NCX-3 |
Swan |
350 |
Swan |
350-C |
Yaesu |
FT-200 |
Yaesu |
FT-dx-401 |
Heathkit |
SB-301e RX |
Heathkit |
SB-401e TX |
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Valve
number |
Type |
Use |
Type |
Use |
Type |
Use |
Type |
Use |
Type |
Use |
Type |
Use |
Type |
Use |
Type |
Use |
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Valve number |
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V1 |
6AZ8 |
Mic amp/RX 1st IF amp |
6AZ8 |
RX RF amp + xtal calibrator |
6EA8 |
Premix/Xtal osc |
6GJ5 |
TX P.A. |
6EW6 |
VFO amp |
6EW6 |
VFO amp |
6U8 |
RX mixer |
6BZ6 |
RX RF amp |
6BZ6 |
RF amp |
6EA8 |
Mic amp |
V1 |
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V2 |
6U8A |
VFO cathode
follower + Tone osc |
12BA7 |
RX/TX 1st mixer |
12AV6 |
Sidetone/RX AF
amp |
6GJ5 |
TX P.A. |
12BE6 |
TX mixer |
12BE6 |
TX mixer |
6BZ6 |
RX RF amp |
6BA6 |
Local osc |
6AU6 |
1st mixer |
6AV11 |
Carrier osc
LSB/USB |
V2 |
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V3 |
6AZ8 |
Mic amp/RX 2nd IF
amp |
6EA8 |
IF amp +AF
cathode follower |
6EA8 |
Cathode
follower/Mixer |
12BY7A |
TX driver |
6GK6 |
TX driver |
6GK6 |
TX driver |
6CB6 |
Local osc/mixer |
6AH6 |
TX 2nd mixer |
6AU6 |
2nd mixer |
6AU6 |
Buffer amp |
V3 |
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V4 |
6AZ8 |
TX IF amp/VOX
relay |
12BA7 |
RX mixer |
6EJ7 |
TX mixer |
12BE6 |
TX mixer |
6HF5 |
TX P.A. |
6LQ6 |
TX P.A. |
6EJ7 |
TX mixer |
6GK6 |
TX driver |
6AB4 |
Het osc |
6EW6 |
1st mixer |
V4 |
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V5 |
12AT7 |
TX 1st mixer |
6EA8 |
2nd IF amp |
6BZ6 |
Xtal calibrator |
12AU6 |
VFO |
6HF5 |
TX P.A. |
6LQ6 |
TX P.A. |
12BY7A |
TX driver |
6KD6 |
TX P.A. |
6BZ6 |
VFO |
6EW6 |
2nd mixer |
V5 |
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V6 |
12AT7 |
TX 2nd mixer |
12BE6 |
Product detector |
12BY7 |
TX driver |
12AT7 |
Speech amp + S
meter |
12BZ6 |
RX RF amp |
12BZ6 |
RX RF amp |
6JS6A |
TX P.A. |
6KD6 |
TX P.A. |
6BA6 |
1st IF amp |
6BZ6 |
VFO |
V6 |
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V7 |
6DC6 |
RX/TX RF amp |
6AH6 |
TX mixer |
12BA6 |
RX RF amp |
6GH8 |
Mic preamp +
relay control |
12BE6 |
RX mixer |
12BE6 |
RX mixer |
6JS6A |
TX P.A. |
VR105MT |
Voltage reg |
6BA6 |
2nd IF amp |
OA2 |
Voltage regulator |
V7 |
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V8 |
6CL6 |
TX driver |
12AT7 |
Xtal osc |
6JB6 |
TX P.A. |
12BA6 |
RX RFamp |
6EW6 |
1st IF amp |
6EW6 |
1st IF amp |
6AV6 |
VOX amp |
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6AU6 |
Xtal calibrator |
6AW8 |
Het osc/buffer |
V8 |
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V9 |
6146A |
TX P.A. |
6EA8 |
VFO |
6JB6 |
TX P.A. |
12BE6 |
RX mixer |
12BA6 |
2nd IF amp |
12BA6 |
2nd IF amp |
12AU7 |
VOX amp/relay |
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6AS11 |
Product
detector/BFO |
6CL6 |
Driver |
V9 |
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V10 |
6146A |
TX P.A. |
12AT7 |
Carrier osc/BFO |
6JB6 |
TX P.A. |
12BA6 |
1st IF amp |
12AX7 |
Product det + RX
audio |
12AX7 |
Product det + RX
audio |
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6HF8 |
AF preamp/output |
6146 |
P.A. |
V10 |
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V11 |
6U8A |
BFO + 2nd mic amp |
6T8A |
RX 1st AF amp +
AGC |
6BZ6 |
RX IF amp |
12BA6 |
2nd IF amp |
6BN8 |
AGC amp/rect |
6BN8 |
AGC amp/rect |
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6146 |
P.A. |
V11 |
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V12 |
6U8A |
Xtal calibrator |
OA2 |
Voltage regulator |
12BA6 |
RX IF amp |
12BA6 |
Carrier osc |
6GK6 |
Audio amp |
6GK6 |
Audio amp |
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6D10 |
VOX/sidetone |
V12 |
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V13 |
6U8A |
HF xtal osc + RX
1st mixer |
6AQ5A |
RX AF output |
12AX7 |
AGC |
12BA6 |
3rd IF amp |
7360 |
Balanced
modulator |
6JH8 |
Balanced
modulator |
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6J11 |
Antivox/tone osc |
V13 |
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V14 |
6BN8 |
VOX/antiVOX |
12DQ6B |
TX P.A. |
13DE7 |
AM screen
modulator |
12AX7 |
Product detector |
12BA6 |
Carrier osc |
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V14 |
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V15 |
6BN8 |
AGC + product
detector |
12DQ6B |
TX P.A. |
12BA6 |
TX IF amp |
6AQ5 |
Audio output |
12AX7 |
Mic amp |
12AX7 |
Mic amp/TX audio |
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V15 |
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V16 |
6EB8 |
RX 1st AF amp +
AF o/p |
12BY7 |
TX driver |
6GX6 |
Xtal osc/Product
detector |
12AU7 |
1st and 2nd VOX
amp |
OA2 |
Voltage regulator |
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V16 |
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V17 |
6BN8 |
ALC + RX 2nd
mixer |
6EA8 |
1st IF amp |
6AQ5A |
Antivox/AF output |
7360 |
Balanced
modulator |
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V17 |
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V18 |
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12AX7 |
Mic amps |
12AX7 |
Mic amp |
OA2 |
Voltage regulator |
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V18 |
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V19 |
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12AT7 |
VOX amp/relay |
6EV7 |
VOX amp |
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V19 |
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V20 |
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OA2 |
Voltage regulator |
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V20 |
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V101 |
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6BM8 |
AF amp |
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V101 |
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V102 |
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12AX7A |
Det/AGC |
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V102 |
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V103 |
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6BZ6 |
RX IF amp |
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V103 |
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V104 |
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6BA6 |
RX IF amp |
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V104 |
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V105 |
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12AX7A |
Mic amp |
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V105 |
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V106 |
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12AU7 |
Carrier osc |
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V106 |
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V107 |
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7360 |
Balanced modulator |
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V107 |
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V201 |
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6CB6 |
TX 1st mixer |
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V201 |
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V202 |
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6CB6 |
RX 1st mixer |
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V202 |
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V203 |
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6BE6 |
RX 2nd mixer |
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V203 |
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V204 |
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6BA6 |
RX/TX IF amp |
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V204 |
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V205 |
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6BA6 |
RX 2nd IF amp |
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V205 |
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V206 |
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12AU7 |
Carrier osc |
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V206 |
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V207 |
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7360 |
Balanced modulator |
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V207 |
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V208 |
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12AX7 |
Mic amp |
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V208 |
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V209 |
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12AT7 |
VOX amp/relay |
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V209 |
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V210 |
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6BM8 |
AF amp |
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V210 |
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V211 |
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6BA6 |
VFO buffer |
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V211 |
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V212 |
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6U8 |
Tone osc |
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V212 |
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V213 |
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12AU7 |
SSB/CW detector |
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V213 |
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V301 |
7543 |
VFO |
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V301 |
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