| Ham Radio Museum | ||
|---|---|---|
| National Receivers | ||
 |
National HRO-5 (HRO variation 5 of 6) Type: General Coverage Modes: AM/CW Tubes/Stages: 9/ 2-RF, 2-IF Audio Output: 6V6/1.5W Product Detector: None Filter: Crystal New Price/Year: $ 275/1944-1946 (HRO-5) AC Power Supply (type 697) $20.35 Size: 9"h x 17.25"w x 12"d Approx. Weight: 45 lbs Tube Complement: (2) 6K7 rf, 6J7 mix, 6J7 hfo, (2) 6K7 if, 6SQ7 det/avc/af1, 6V6 af out, 6J7 bfo. |
|
 |
National NC-240D Type: General Coverage Modes: AM/CW Tubes/Stages: 12/ 1-RF,2-IF Audio Output: 2-6V6/8.0W Product Detector: None Filter: Crystal New Price/Year: $225-$275/1947-1949 Size: 10.5"h x 19.25"w x 15.5"d Approx. Weight: 60 lbs Tube Complement: 6SK7 rf, 6K8 mix, 6J5 hfo, 6K7 if1, 6SK7 if2, 6SL7 det/NL, 6V6 avc, 6SJ7 bfo, 6SN7 phase inv, (2) 6V6 af out, 5Y3 rect. |
|
 |
National SW-54 Type: General Coverage Modes: AM/CW Tubes/Stages: 5 ac-dc/ 0-RF,1-IF Audio Output: 50C5/1.0W Product Detector: None Filter: None New Price/Year: $49.00-$59.95/1950-1957 Size: 7.0"h x 11.0"w x 7.0"d Approx. Weight: 14 lbs Tube Complement: 12BE6 converter, 12BA6 cw osc/if amp, 12AV6 2nd det/af1/avc, 50C5 af out, 35Z5 rectifier. |
|
 |
National NC-57 Type: General Coverage Modes: AM/CW Tubes/Stages: 9/ 1-RF,2-IF Audio Output: 6V6/3.0W Product Detector: None Filter: None New Price/Year: $89.50/1947-1950 Size: X.X"h x XX.0"w x X.0"d Approx. Weight: XX lbs Tube Complement: 6SG7 rf, 6SB7 conv, (2) 6SG7 if, 6H6 det/avc/NL, 6SL7 af1/bfo, 6V6 af out, OD3 vr, 5Y3 rect. |
|
 |
National NC-60 Type: General Coverage Modes: AM/CW Tubes/Stages: 5 ac-dc/ 0-RF,1-IF Audio Output: 50C5/1.0W Product Detector: None Filter: None New Price/Year: $60/1959-1964 Size: 7.5"h x 13.5"w x 8.5"d Approx. Weight: 13 lbs Tube Complement: 12BE6 osc/conv, 12BA6 if/cw osc, 12AV6 det/avc/af1, 50C5 af out, 35W4 rect. |
|
 |
National NC-98 Type: General Coverage Modes: AM/CW Tubes/Stages: 9/ 1-RF,2-IF Audio Output: 6AQ5/1.0W Product Detector: None Filter: Crystal New Price/Year: $150/1954-1956 Size: 8.75"h x 16.5"w x 10.5"d Approx. Weight: 29 lbs Tube Complement: 6BA6 rf, 6BE6 mixer, 6C4 osc, (2) 6BD6 if, 6AL5 det/agc/anl, 12AX7 af1/cw osc, 6AQ5 af out, 5Y3 rectifier. |
|
 |
National NC-125 Type: General Coverage Modes: AM/CW Tubes/Stages: 11/ 1-RF,2-IF Audio Output: 6V6/2.0W Product Detector: None Filter: Crystal New Price/Year: $150-$200/1950-1956 Size: 8.25"h x 16.5"w x 11.75"d Approx. Weight: 30 lbs Tube Complement: 6SG7 rf, 6SB7Y osc/mixer, (2) 6SG7 if, 6H6 det/avc/anl, 6SL7 phase shifter, 6SL7 boost-reject audio amp, 6SL7 af1/cwo, 6V6 af out, 0A2 vr, 5Y3GT rect. |
|
 |
National NC-300 Type: Ham Bands Only Modes: AM/CW/SSB Tubes/Stages: 13/ 1-RF, 2-IF Audio Output: 6AQ5/1.0W Product Detector: Yes Filter: Crystal, L/C New Price/Year: $349-$400/1955-1958 Size: 11.25"h x 19.5"w x 15.0"d Approx. Weight: 60 lbs Tube Complement: 6BZ6 rf, 6AH6 hfo, 6BA7 mixer1, 6BE6 2nd converter, (2) 6BJ6 if, 6AL5 det/nl, 6BE6 cw0/het detector, 12AT7 S-meter/af1, 6AQ5 af out, OB2 vr, 4H4C current stabilizer, 5Y3 rect. |
|
 |
National NC-303 Type: Ham Bands Only Modes: AM/CW/SSB Tubes/Stages: 15/ 1-RF, 2-IF Audio Output: 6AQ5/1.0W Product Detector: Yes Filter: L/C, Q-Mult New Price/Year: $449/1958-1962 Size: 11.25"h x 19.5"w x 15.0"d Approx. Weight: 60 lbs Tube Complement: 6BZ6 rf, 6BA7 mix, 6AH6 hfo, 6BE6 mix2/xco, (2) 6BJ6 if, 6AL5 det/anl, 6BE6 prod-det/bfo, 6AL5 ssb-cw NL, 12AT7 af1/mtr amp, 12AX7 q-mult, 6AQ5 af out, 4H4C current reg, OB2 vr, 5Y3 rect. |
|
 |
National NC-173 Type: General Coverage Modes: AM/CW Tubes/Stages: 13/ 1-RF, 2-IF Audio Output: 6V6/3.5W Product Detector: None Filter: Crystal New Price/Year: $179-$189/1947-1949 Size: 10.5"h x 19.75"w x 17.0"d Approx. Weight: 65 lbs Tube Complement: 6SG7 rf, 6SA7 mix, 6J5 hfo, (2) 6SG7 if, 6H6 det/avc, 6H6 NL, 6SJ7 af1, 6AC7 avc amp, 6SJ7 bfo, 6V6 af out, OD3 vr, 5Y3 rect. |
|
 |
National NC-183 Type: General Coverage Modes: AM/CW Tubes/Stages: 16/ 2-RF, 2-IF Audio Output: 2-6V6/8.0W Product Detector: None Filter: Xtal New Price/Year: $269/1947-1952 Size: 10.5"h x 19.75"w x 17.0d" Approx. Weight: 65 lbs Tube Complement: (2) 6SG7 rf, 6SA7 mix, 6J5 hfo, (2) 6SG7 if, 6H6 det/avc, 6SJ7 bfo, 6AC7 avc amp, 6H6 NL, 6SJ7 af1, 6J5 phase inv, (2) 6V6 af out, VR-150 vr, 5U4 rect. |
|
 |
National NC-183D Type: General Coverage Modes: AM/CW Tubes/Stages: 17/ 2-RF, 3-IF Audio Output: 2-6V6/8.0W Product Detector: None Filter: Crystal New Price/Year: $369-$449/1952-1959 Size: 10.5"h x 19.75"w x 17.0"d Approx. Weight: 65 lbs Tube Complement: (2) 6BA6 rf, 6BE6 conv1, 6BE6 conv2, (3) 6BA6 if, 6AL5 det/avc, 6AH6 avc amp, 6SJ7 bfo, 6AL5 NL, 6SJ7 af1, 6SN7 phase inv/mtr amp, (2) 6V6 af out, OB2 vr, 5U4 rect. |
|
 |
National HRO-50 Type: General Coverage Modes: AM/CW Tubes/Stages: 15/ 2-RF, 2-IF Audio Output: 2-6V6/8.0W Product Detector: None Filter: Crystal New Price/Year: $349/1949-1950 Size: 10.5"h x 19.75"w x 17.5"d Approx. Weight: 65 lbs Tube Complement: (2) 6BA6 rf, 6BE6 mix, 6C4 hfo, (2) 6K7 if, 6H6 det/avc, 6H6 anl, 6SJ7 af1, 6SN7 phase split/mtr amp, 6J7 bfo, (2) 6V6 af out, 5V4 rect, OB2 vr. |
|
 |
National HRO-60 Type: General Coverage Modes: AM/CW Tubes/Stages: 18/ 2-RF, 3-IF Audio Output: 2-6V6/8.0W Product Detector: None Filter: Xtal New Price/Year: $485-$745/1952-1964 Size: 10.5"h x 19.75"w x 17.5"d Approx. Weight: 70 lbs Tube Complement: 6BA6 rf1, 6BA6 rf2, 6BE6 1st converter, 6C4 hfo, 6BE6 2nd converter, (3) 6SG7 if, 6H6 det/avc, 6H6 nl, 6SN7 S-meter/phase inverter, 6SJ7 af1, (2) 6V6GT af out, 6SJ7 bfo, 0B2 vr, 4H4C current reg, 5V4G rect. |
|
 |
National NC-400 Type: General Coverage Modes: AM/CW/SSB Tubes/Stages: 18/ 2-RF, 3-IF Audio Output: 6AQ5/1.0W Product Detector: Yes Filter: Crystal, Optional Mechanical New Price/Year: $895/1959-1963 Size: 11.25"h x 19.5"w x 16.0"d Approx. Weight: 65 lbs Tube Complement: 6BZ6 rf1, 6BZ6 rf2, 6BE6 mixer1 455 kHz, 6BE6 Mixer1 1730 kHz, 6BE6 2nd converter/soc, 6BZ7 hfo, (3) 6BA6 if, 4H4C fil. reg, 6AL5 AM det/anl, 6BE6 het det, 6AL5 manual nl, 6U8 bfo, 12AT7 S-meter/af1, 6AQ5 af out, OB2 vr, 5U4 rect. |
|
 |
National NC-270 Type: Ham Bands Only Modes: AM/CW/SSB Tubes/Stages: 10/ 1-RF, 2-IF Audio Output: 6CW5/1.0W Product Detector: Yes Filter: L/C New Price/Year: $185-$280/1960-1964 Size: 9.0"h x 15.75"w x 8.75"d Approx. Weight: 28 lbs Tube Complement: 6BZ6 rf, 6BE6 converter, (2) 6BA6 if, 6BA6 product det, 6T8 det/avc/anl/af1, 6CW5 af out, 12AU7 calib/bfo, 0B2 vr, 5Y3 rect. |
|
|
||
