OTARI MX-5050 B-II Alignment Procedure

Reel-to-reel tape recorder

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Set SRL switch to SRL position.

PLAYBACK

1. Set the Reference Flux, and EQ to suit the test tape

2. AZIMUTH

a. Adjust for 0º ø on oscilloscope (A4 screw)

3. REPRO LEVEL

a. Play 0VU @ 1kHz and adjust VR106/VR206 for 0VU

4. REPRO EQ

a. Play ƒ sweep and adjust VR102/VR202 for a flat response (15 ips)

b. Play ƒ sweep and adjust VR103/VR203 for a flat response (71/2 ips)

1. AZIMUTH

a. Adjust for 0º ø on oscilloscope (A3 screw)

2. RECORD METER LEVEL

a. Set the input level controls to maximum

b. Record 1kHz from a -15dBm source

c. Adjust the Record Level trimpot for 0VU

d. Switch to monitor Source

e. Adjust VR108/208 for 0VU

3. RECORD LEVEL

a. Set the Record flux level switch to M (250nW)

b. Monitor 'Source' and set the level to 0VU

c. Monitor 'Tape' and start recording

d. Adjust the Record Level trimpot for 0VU

Alignment Procedure for Otari MX-5050 B-II

Table of Contents

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Page 1 Alignment Procedure for Otari MX-5050 B-II Set SRL switch to SRL position. PLAYBACK 1. Set the Reference Flux, and EQ to suit the test tape 2. AZIMUTH a. Adjust for 0º ø on oscilloscope (A4 screw) 3. REPRO LEVEL a. Play 0VU @ 1kHz and adjust VR106/VR206 for 0VU 4.
Page 2 4. RECORD BIAS a. Record 1kHz tone @ 0VU b. Adjust the Record Bias trimpot for +3VU 5. RECORD EQ a. For 15 ips, record 10kHz @ 0VU b. Adjust the Record EQ (High) trimpot for 0VU c. For 71/2” ips, record 10kHz @ -10VU d.