High Frequency Laboratories Nine-In-Line (1926)
High Frequency Laboratories Nine-In-Line
Photos donated by Michael Feldt.
Visit Michael's web site at http://www.indianaradios.com/.

To see all the photos Michael has contributed to RadioGallery.net, click here.
Tube Line Up:
01A...1st. Det.
01A...Oscillator
01A...1st. I.F. Amplifier
01A...2nd. I.F. Amplifier
01A...3rd. I.F. Amplifier
01A...4th. I.F. Amplifier
01A...2nd. Detector
01A...1st Audio
01A or 112A...Audio Output

A1  A2  A3  A4  A5  A6  A7  A8  B1  B2  C1  C2  C3  C4  C5  D1 
D2  D3  E1  E2  E3  E4  E5  F1  F2  F3  G1  G2  G3  G4  G5  G6 
H  IJ  K  L  M1  M2  M3  M4  M5  M6  NO  P1  P2  P3  P4  P5 
P6  R1  R2  R3  R4  R5  R6  S1  S2  S3  S4  S5  S6  S7  S8  S9 
T1  T2  UV  W1  W2  W3  XZ  Z1  Z2  Z3  Z4  Z5  Z6  Z7 

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