Transformers & Chokes | Amplified Parts

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Transformer - Hammond, Direct Box Transformer

Studio Grade Impedance Matching, 1140 Series.
Features

Designed with Nickel alloy cores for high performance and Wide Bandwidth
Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
Low distortion at levels up to +27 dBu @ 20 Hz.
Excellent Shielding – Mu Metal enclosures

Part No.
Impedance Ratio
Turns Ratio
Max Input @ 20Hz
THD @ 20Hz
Frequency Response 20Hz / 20kHz

1140-MN-A
150:15K
1:10
-2.5 dBu
0.02%
-0.05 dB/ -0.06 dB

1140-MN-B
150: 3.8K
1:5
+7.0dBu
0.015%
-0.04 dB/ +0.00 dB

$67.⁹⁵

Transformer - Hammond, Line Output Transformers

Studio Grade Impedance Matching, 1140 Series. Features

Designed with Nickel alloy cores for high performance and Wide Bandwidth
Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
Low distortion at levels up to +27 dBu @ 20 Hz.
Open Style

Part No. Impedance Ratio Turns Ratio Max Input @ 20Hz THD @ 20Hz Frequency Response 20Hz / 20kHz 1140-MN-A 150:15K 1:10 -2.5 dBu 0.02% -0.05 dB/ -0.06 dB 1140-MN-B 150: 3.8K 1:5 +7.0dBu 0.015% -0.04 dB/ +0.00 dB

Starting at $34.³⁸

Transformer - Hammond, Line Input Transformers

Studio Grade Impedance Matching, 1140 Series. Features

Designed with Nickel alloy cores for high performance and Wide Bandwidth
Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
Low distortion at levels up to +27 dBu @ 20 Hz.
Excellent Shielding – Mu Metal enclosures

Part No. Impedance Ratio Turns Ratio Max Input @ 20Hz THD @ 20Hz Frequency Response 20Hz / 20kHz P-T1140-LN-A 10k:20k 1:4 +16 dBu 0.02% -0.04 dB/+0.10 dB P-1140-LN-B 10K:10K 1:1 +20 dBu 0.020% -0.03 dB/+0.10 dB P-1140-LN-C 36K:2.2K / 10K:600 4:1 +26 dBu 0.015% -0.20 dB/+0.05 dB P-1140-LN-D 40K:2.4K 4:1 +21 dBu 0.060% -0.12 dB/+0.06 dB P-1140-LN-E 600:600 1:1 +19 dBu 0.020% -0.06 dB/+0.00 dB

Starting at $65.⁰⁹

Transformer - Hammond, Microphone Splitter Transformers

Studio Grade Impedance Matching, 1140 Series.
Features

Designed with Nickel alloy cores for high performance and Wide Bandwidth
Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
Low distortion at levels up to +27 dBu @ 20 Hz.
Excellent Shielding – Mu Metal enclosures

Part No.
Impedance Ratio
Turns Ratio
Max Input @ 20Hz
THD @ 20Hz
Frequency Response 20Hz / 20kHz

P-T1140-MS-A
150:150
1:1
+2.0 dBu
0.05%
-0.14 dB/-0.06 dB

P-T1140-MS-B
150:150:150
1:1
+2.0 dBu
0.030%
-0.08 dB/+0.06 dB

P-T1140-MS-C
150:150:150:150
1:1:1:1
+11 dBu
0.030%
-0.05 dB/+0.20 dB

Starting at $55.⁸⁶

Transformer - Hammond, Microphone Input Transformers

Studio Grade Impedance Matching, 1140 Series. Features

Designed with Nickel alloy cores for high performance and Wide Bandwidth
Frequency Response: 20 Hz – 20 kHz ±0.35 dB, (ref. @ 1 kHz)
Low distortion at levels up to +27 dBu @ 20 Hz.
Excellent Shielding – Mu Metal enclosures

Part No. Impedance Ratio Turns Ratio Max Input @ 20Hz THD @ 20Hz Frequency Response 20Hz / 20kHz 1140-MN-A 150:15K 1:10 -2.5 dBu 0.02% -0.05 dB/ -0.06 dB 1140-MN-B 150: 3.8K 1:5 +7.0dBu 0.015% -0.04 dB/ +0.00 dB

Starting at $68.¹⁶

Transformer - Hammond, Studio Grade Impedance Matching, 140 Series

Features

Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum (see individual PDF data sheets below).
Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses.
Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less (see individual PDF data sheets below).
Plated steel cans
Adjustable height case bracket.

Part No. Typical Applications Nominal Impedance (Ohms) Overall Turns Ratio Primary to Secondary Primary Seconday P-T140MEX Crystal/Ceramic MIC.

Starting at $59.⁵¹

Transformer - Hammond, Audio Broadcast Quality, 800A Series

Features

Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware.
Includes wire leads (minimum length of 4").
Frequency response +/- 0.5 db max. from 50 Hz. to 15 Khz.
Insertion loss of apx. 1 db.
Maximum power level +15 dbm. (except 841A, 842A & 844A which are +20 dbm) with specified characteristics, or higher levels with reduced low frequency performance.
Electrostatic shield between pri. & sec.
Humbucking construction
Balanced split windings on pri. & sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching.
Overall dimensions 1.75" (44.5 mm) wide x 1.25" (31.8 mm) deep x 2.56" (65 mm) high max.

Part No. Application Nominal Impedance Max. Primary D.C.

$106.²⁸

Transformer - Hammond, Audio Broadcast Quality, 850A Series

Features

Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
Sealed case and wax potted core internally for stable characteristics and long life.
Wide frequency response +/- 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, may be down 1 db @ 20 Khz.)
Insertion loss of apx. 1 db.
Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance.
Distortion is apx. 1.5% @ 20 Hz. under full power.
Electrostatic shield between pri. & sec. connected to the green lead.
Humbucking construction
Balanced split windings on pri. & sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching.
Includes mounting hardware.
Lead length: Min. 4"