| Ham Radio Museum | ||
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| Collins Receivers | ||
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Collins 75A-1 Type: Ham Bands Only Modes: AM/CW/MCW Tubes/Stages: 14/ 1-RF, 3-IF Audio Output Tube: 6V6/2.5 watts Product Detector: None Filter: Crystal New Price/Year: $375/1947-1950 Size: 12.25"h x 21.1"w x 13.9"d Approx. Weight: 57 lbs Tube Complement: 6AK5 rf, 6SA7 mixer1, 6SK7 if, 6L7 mixer2, 6AK5 xco, (2) 6SG7 500 kHz if, 6H6 det/nl, 6SJ7 avc, 6SJ7 bfo, 6SJ7 af1, 6V6 af out, 6SJ7 vfo and 5Y3 rect. |
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Collins 75A-2 Type: Ham Bands Only Modes: AM/CW/FM (adapter) Tubes/Stages: 17/ 1-RF, 3-IF Audio Output: 6AQ5/2.5W Product Detector: None Filter: Crystal New Price/Year: $420/1950 Size: 12.5"h x 21.1"w x 13.5"d Approx. Weight: 50 lbs Tube Complement: (3) 6AL5, 6AQ5, (6) 6BA6, (2) 6BA7, 6CB6, 12AT7, 12AX7, 0A2, 5Y3. |
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Collins 75A-3 Type: Ham Bands Only Modes: AM/CW/MCW/FM (adapter) Tubes/Stages: 18/ 1-RF, 4-IF Audio Output: 6AQ5/2.5W Product Detector: None Filter: Crystal, Mechanical New Price/Year: $530/1952-1954 Size: 12.5"h x 21.1"w x 13.5"d Approx. Weight: 65 lbs Tube Complement: 6CB6 rf, 6BA7 mixer1, 6BA7 mixer2, 12AT7 xco, (4) 6BA6 if, 6AL5 det/avc rect, 12AX7 avc amp/af1, 6AL5 anl, 6AQ5 af out, 6BA6 bfo, 6BA6 vfo, 6BA6 vfo buffer, 6AL5 cw nl, 0A2 vr, 5Y3 rect. |
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Collins 75A-4 Type: Ham Bands Only Modes: AM/SSB/CW Tubes/Stages: 22/ 1-RF, 3-IF Audio Output: 6AQ5/2.5W Product Detector: Yes Filter: Mechanical New Price/Year: $695/1958 Size: 10.5"h x 17.25"w x 15.5"d Approx. Weight: 35 lbs Tube Complement: (4) 6AL5, 6AQ5, (8) 6BA6, (2) 6BA7, 6DC6, (3) 12AT7, 12AU7, 0A2, 5Y3. |
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Collins 51J-4 Type: General Coverage Modes: AM/CW/MCW Tubes/Stages: 19/ 1-RF, 4-IF Audio Output: 6AQ5/1.5W Product Detector: None Filter: Crystal and Mechanical New Price/Year: $1200-$1464/1957-1963 Size: 12.25"h x 21.0"w x 13.0"d (with cabinet) Approx. Weight: 55 lbs Tube Complement: (2) 6AK5, 6AQ5, (8) 6BA6, (3) 6BE6, 12AU7, (2) 12AX7, 0A2, 5V4, (tube variations). |
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Collins R-390A Type: General Coverage Modes: AM/CW/MCW Tubes/Stages: 24/ 1-RF, 3-IF Audio Output: 600 Ohms Product Detector: None Filter: Crystal, Mechanical New Price/Year: $1421-$3500/1954-1985 Size: 10.5"h x 19.0"w x 17.0"d (without cabinet) Approx. Weight: 75 lbs Tube Complement: (7) 5814, (2) 6AK5, (3) 6AK6, (6) 6BA6, (3) 6C4, 6DC6, 0A2, 3TF7. |
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Collins 51S-1 Type: General Coverage Modes: AM/CW/SSB Tubes/Stages: 17/ 1-RF, 3-IF Audio Output: 6BF5/3.0W Product Detector: Yes Filter: Mechanical New Price/Year: $1500-$2565/1959-1975 Size: 7.75"h x 14.75"w x 14.0"d Approx. Weight: 28 lbs Tube Complement: 5670, 6AK6, (2) 6AU6/7543, (4) 6BA6, 6BF5, 6DC6, (5) 6EA8, (2) 12AX7; Semiconductors (3) 1N1492, 2N388, (4) 2N6373, (4) 1N34A; (variations). |
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Collins 75S-3B/C Type: Ham Bands, Expandable Modes: AM/SSB/CW Tubes/Stages: 12/ 1-RF, 2-IF Audio Output: 6BF5/3.0W Product Detector: Yes Filter: Mechanical New Price/Year: $620-$795/1963-1975 Size: 7.75"h x 14.75"w x 12.5"d Approx. Weight: 20 lbs Tube Complement: 6DC6 xtal cal, 6DC6 rf, 6EA8 mixer1/xco, 6EA8 mixer2/cathode fol, 12AX7 q-mult, (2) 6BA6 if, 6AT6 agc rect/AM det/af1, 6DC6 bfo, 6BF5 af out, semiconductors. |
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